Merge branch 'master' into feature-68834/Fehlermonitoring_Issues_weitere_features

issue checker: added space between heading and refresh symbol, removed px class for more flexibility
Plausicheckresolverlib: changed comment
2026-06-30 18:39:28 +00:00 · 2026-05-26 13:30:13 +02:00 · 2026-04-29 16:13:46 +02:00 · 2026-04-20 15:37:08 +02:00 · 2026-04-17 16:01:33 +02:00 · 2026-04-16 02:12:01 +02:00
213 changed files with 4677 additions and 17592 deletions
@@ -33,27 +33,5 @@ Events::on('loadRenderers', function ($renderers) {
 	);
 });

-//Tempus Renderers:
-Events::on('loadTempusRenderers', function ($renderers) {
-	$fhc_core_renderers =& $renderers();
-	$fhc_core_renderers["reservierung"] = array(
-		'calendarEvent' => absoluteJsImportUrl('public/js/components/Tempus/Renderer/Reservierungen/calendarEvent.js'),
-		'modalTitle' => absoluteJsImportUrl('public/js/components/Tempus/Renderer/Reservierungen/modalTitle.js'),
-		'modalContent' => absoluteJsImportUrl('public/js/components/Tempus/Renderer/Reservierungen/modalContent.js'),
-		'calendarEventStyles' => APP_ROOT . 'public/css/Cis4/CoreCalendarEvents.css'
-	);
-});
-
-Events::on('loadTempusRenderers', function ($renderers) {
-	$fhc_core_renderers =& $renderers();
-	$fhc_core_renderers["lehreinheit"] = array(
-		'calendarEvent' => absoluteJsImportUrl('public/js/components/Tempus/Renderer/Lehreinheit/calendarEvent.js'),
-		'modalTitle' => absoluteJsImportUrl('public/js/components/Tempus/Renderer/Lehreinheit/modalTitle.js'),
-		'modalContent' => absoluteJsImportUrl('public/js/components/Tempus/Renderer/Lehreinheit/modalContent.js'),
-		'calendarEventStyles' => APP_ROOT . 'public/css/Cis4/CoreCalendarEvents.css'
-	);
-});
-
-


@@ -0,0 +1,448 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+$config['fehler'] = array(
+	array(
+		'fehlercode' => 'CORE_ZGV_0001',
+		'fehler_kurzbz' => 'zgvDatumInZukunft',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'ZGV Datum in Zukunft',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => array('core'),
+		'producerLibName' => 'ZgvDatumInZukunft',
+		'resolverLibName' => 'CORE_ZGV_0001',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_ZGV_0002',
+		'fehler_kurzbz' => 'zgvDatumVorGeburtsdatum',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'ZGV Datum vor Geburtsdatum',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'ZgvDatumVorGeburtsdatum',
+		'resolverLibName' => 'CORE_ZGV_0002',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_ZGV_0003',
+		'fehler_kurzbz' => 'zgvMasterDatumInZukunft',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'ZGV Masterdatum in Zukunft',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'ZgvMasterDatumInZukunft',
+		'resolverLibName' => 'CORE_ZGV_0003',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_ZGV_0004',
+		'fehler_kurzbz' => 'zgvMasterDatumVorZgvdatum',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'ZGV Masterdatum vor Zgvdatum',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'ZgvMasterDatumVorZgvdatum',
+		'resolverLibName' => 'CORE_ZGV_0004',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_ZGV_0005',
+		'fehler_kurzbz' => 'zgvMasterDatumVorGeburtsdatum',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'ZGV Masterdatum vor Geburtsdatum',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'ZgvMasterDatumVorGeburtsdatum',
+		'resolverLibName' => 'CORE_ZGV_0005',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0001',
+		'fehler_kurzbz' => 'keinAufenthaltszweckPlausi',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Kein Aufenthaltszweck gefunden',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'KeinAufenthaltszweckPlausi',
+		'resolverLibName' => 'CORE_INOUT_0001',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0002',
+		'fehler_kurzbz' => 'zuVieleZweckeIncomingPlausi',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Es sind %s Aufenthaltszwecke eingetragen (max. 1 Zweck für Incomings)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'ZuVieleZweckeIncomingPlausi',
+		'resolverLibName' => 'CORE_INOUT_0002',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0003',
+		'fehler_kurzbz' => 'falscherIncomingZweckPlausi',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Aufenthaltszweckcode ist %s (für Incomings ist nur Zweck 1, 2, 3 erlaubt)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'FalscherIncomingZweckPlausi',
+		'resolverLibName' => 'CORE_INOUT_0003',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0004',
+		'fehler_kurzbz' => 'outgoingAufenthaltfoerderungfehltPlausi',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Keine Aufenthaltsfoerderung angegeben (bei Outgoings >= 29 Tage Monat im Ausland muss mind. 1 gemeldet werden)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'OutgoingAufenthaltfoerderungfehltPlausi',
+		'resolverLibName' => 'CORE_INOUT_0004',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0005',
+		'fehler_kurzbz' => 'outgoingAngerechneteEctsFehlenPlausi',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Angerechnete ECTS fehlen (Meldepflicht bei Outgoings >= 29 Tage Monat im Ausland)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'OutgoingAngerechneteEctsFehlenPlausi',
+		'resolverLibName' => 'CORE_INOUT_0005',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0006',
+		'fehler_kurzbz' => 'outgoingErworbeneEctsFehlenPlausi',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Erworbene ECTS fehlen (Meldepflicht bei Outgoings >= 29 Tage Monat im Ausland)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'OutgoingErworbeneEctsFehlenPlausi',
+		'resolverLibName' => 'CORE_INOUT_0006',
+		'producerIsResolver' => false
+	),
+
+	/** Plausichecks **/
+	array(
+		'fehlercode' => 'CORE_INOUT_0007',
+		'fehler_kurzbz' => 'IncomingHeimatNationOesterreich',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Heimatnation bei Incoming Österreich',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'IncomingHeimatNationOesterreich',
+		'resolverLibName' => 'CORE_INOUT_0007',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0008',
+		'fehler_kurzbz' => 'IncomingOhneIoDatensatz',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Incoming hat keinen IO Datensatz (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'IncomingOhneIoDatensatz',
+		'resolverLibName' => 'CORE_INOUT_0008',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0009',
+		'fehler_kurzbz' => 'IncomingOrGsFoerderrelevant',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Incoming oder gemeinsames Studium ist nicht als nicht förderrelevant markiert. (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'IncomingOrGsFoerderrelevant',
+		'resolverLibName' => 'CORE_INOUT_0009',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STG_0001',
+		'fehler_kurzbz' => 'StgPrestudentUngleichStgStudent',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Studiengang des Prestudenten ist ungleich dem Studiengang des Studenten. (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'StgPrestudentUngleichStgStudent',
+		'resolverLibName' => 'CORE_STG_0001',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STG_0002',
+		'fehler_kurzbz' => 'OrgformStgUngleichOrgformPrestudent',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Es ist kein Studienplan mit Studiengang (%s) und Organisationsform (%s) des Studenten zugewiesen. (prestudent_id %s, Studiensemester %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'OrgformStgUngleichOrgformPrestudent',
+		'resolverLibName' => 'CORE_STG_0002',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STG_0003',
+		'fehler_kurzbz' => 'PrestudentMischformOhneOrgform',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Organisationsform ist für Studierenden/BewerberIn in Mischformstudiengang nicht eingetragen. (prestudent_id %s, Studiensemester %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'PrestudentMischformOhneOrgform',
+		'resolverLibName' => 'CORE_STG_0003',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STG_0004',
+		'fehler_kurzbz' => 'StgPrestudentUngleichStgStudienplan',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Studiengang des Prestudenten passt nicht zu Studiengang des Studienplans. (prestudent_id %s, Studienplan %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'StgPrestudentUngleichStgStudienplan',
+		'resolverLibName' => 'CORE_STG_0004',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0001',
+		'fehler_kurzbz' => 'AbbrecherAktiv',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'AbbrecherIn hat aktiven Benutzer. (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'AbbrecherAktiv',
+		'resolverLibName' => null,
+		'producerIsResolver' => true
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0002',
+		'fehler_kurzbz' => 'StudentstatusNachAbbrecher',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Aktiver Status nach Abbrecher Status. (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'StudentstatusNachAbbrecher',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0002',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0003',
+		'fehler_kurzbz' => 'AusbildungssemPrestudentUngleichAusbildungssemStatus',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Ausbildungssemester %s des aktuellen Status stimmt nicht mit Ausbildungssemester %s bei StudentIn (Lehrverband) überein. (student_uid %s, prestudent_id %s, Studiensemester %s)',
+		'fehlertyp_kurzbz' => 'warning',
+		'app' => 'core',
+		'producerLibName' => 'AusbildungssemPrestudentUngleichAusbildungssemStatus',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0003',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0004',
+		'fehler_kurzbz' => 'InaktiverStudentAktiverStatus',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Inaktiver Benutzer hat aktiven Status. (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'warning',
+		'app' => 'core',
+		'producerLibName' => 'InaktiverStudentAktiverStatus',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0004',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0005',
+		'fehler_kurzbz' => 'InskriptionVorLetzerBismeldung',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Datum der Inskription liegt vor dem Datum der letzten BIS-Meldung %s. (prestudent_id %s, Studiensemester %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'InskriptionVorLetzerBismeldung',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0005',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0006',
+		'fehler_kurzbz' => 'DatumStudiensemesterFalscheReihenfolge',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Datum und Studiensemester sind bei den Status in falscher Reihenfolge. (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'DatumStudiensemesterFalscheReihenfolge',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0006',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0007',
+		'fehler_kurzbz' => 'AktiverStudentOhneStatus',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Aktive/r StudentIn ohne aktuellen Status (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'AktiverStudentOhneStatus',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0007',
+		'producerIsResolver' => false
+	),
+	//~ array(
+		//~ 'fehlercode' => 'CORE_STUDENTSTATUS_0008',
+		//~ 'fehler_kurzbz' => 'StudienplanUngueltig',
+		//~ 'fehlercode_extern' => null,
+		//~ 'fehlertext' => 'Studienplan %s ist im Ausbildungssemester %s nicht gültig (prestudent_id %s)',
+		//~ 'fehlertyp_kurzbz' => 'error',
+		//~ 'app' => 'core',
+		//~ 'producerLibName' => 'StudienplanUngueltig',
+		//~ 'resolverLibName' => 'CORE_STUDENTSTATUS_0008',
+		//~ 'producerIsResolver' => false
+	//~ ),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0009',
+		'fehler_kurzbz' => 'FalscheAnzahlAbschlusspruefungen',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Mehrere oder keine bestandenen Abschlussprüfungen (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'FalscheAnzahlAbschlusspruefungen',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0009',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0010',
+		'fehler_kurzbz' => 'DatumAbschlusspruefungFehlt',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Kein Abschlussprüfung Datum (prestudent_id %s, abschlusspruefung_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'DatumAbschlusspruefungFehlt',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0010',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0011',
+		'fehler_kurzbz' => 'DatumSponsionFehlt',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Kein Sponsionsdatum (prestudent_id %s, abschlusspruefung_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'DatumSponsionFehlt',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0011',
+		'producerIsResolver' => false
+	),
+	//~ array(
+		//~ 'fehlercode' => 'CORE_STUDENTSTATUS_0012',
+		//~ 'fehler_kurzbz' => 'BewerberNichtZumRtAngetreten',
+		//~ 'fehlercode_extern' => null,
+		//~ 'fehlertext' => 'Bewerber nicht zum Reihungstest angetreten (prestudent_id %s)',
+		//~ 'fehlertyp_kurzbz' => 'warning',
+		//~ 'app' => 'core',
+		//~ 'producerLibName' => 'BewerberNichtZumRtAngetreten',
+		//~ 'resolverLibName' => 'CORE_STUDENTSTATUS_0012',
+		//~ 'producerIsResolver' => false
+	//~ ),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0013',
+		'fehler_kurzbz' => 'AktSemesterNull',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Aktuelles Ausbildungssemester ist 0 (prestudent_id %s, Studiensemester %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'AktSemesterNull',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0013',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0014',
+		'fehler_kurzbz' => 'AbschlussstatusFehlt',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Kein Abschlussstatus (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'warning',
+		'app' => 'core',
+		'producerLibName' => 'AbschlussstatusFehlt',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0014',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0015',
+		'fehler_kurzbz' => 'AktiverStudentstatusOhneKontobuchung',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Keine Kontobuchung bei aktivem Studentstatus (prestudent_id %s, Studiensemester %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'AktiverStudentstatusOhneKontobuchung',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0015',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0016',
+		'fehler_kurzbz' => 'DualesStudiumOhneMarkierung',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'StudentIn in dualem Studiengang nicht als dual markiert (prestudent_id %s, Studienplan %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'DualesStudiumOhneMarkierung',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0016',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_PERSON_0001',
+		'fehler_kurzbz' => 'GbDatumWeitZurueck',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Geburtsdatum vor dem 01.01.1920',
+		'fehlertyp_kurzbz' => 'warning',
+		'app' => 'core',
+		'producerLibName' => 'GbDatumWeitZurueck',
+		'resolverLibName' => 'CORE_PERSON_0001',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_PERSON_0002',
+		'fehler_kurzbz' => 'NationNichtOesterreichAberGemeinde',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Nation der Adresse ist ungleich Österreich, es ist aber eine österreichische Gemeinde (%s) angegeben (adresse_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'NationNichtOesterreichAberGemeinde',
+		'resolverLibName' => 'CORE_PERSON_0002',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_PERSON_0003',
+		'fehler_kurzbz' => 'FalscheAnzahlHeimatadressen',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Es sind mehrere oder keine Heimatadressen eingetragen',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'FalscheAnzahlHeimatadressen',
+		'resolverLibName' => 'CORE_PERSON_0003',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_PERSON_0004',
+		'fehler_kurzbz' => 'FalscheAnzahlZustelladressen',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Es sind mehrere oder keine Zustelladressen eingetragen',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'FalscheAnzahlZustelladressen',
+		'resolverLibName' => 'CORE_PERSON_0004',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_PERSON_0005',
+		'fehler_kurzbz' => 'geburtsnationFehlt',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Geburtsnation nicht vorhanden',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'GeburtsnationFehlt',
+		'resolverLibName' => null,
+		'producerIsResolver' => true
+	),
+	array(
+		'fehlercode' => 'CORE_PERSON_0006',
+		'fehler_kurzbz' => 'uhstatPersonkennungFehltCore',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Personkennung fehlt (vBpk AS, vBpk BF oder Ersatzkennzeichen fehlt)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'UhstatPersonkennungFehltCore',
+		'resolverLibName' => 'CORE_PERSON_0006',
+		'producerIsResolver' => false
+	)
+);
@@ -1,5 +0,0 @@
-<?php
-
-$config['send_update_mails'] = false;
-$config['calendar_start'] = 7;
-$config['calendar_end'] = 23;
@@ -1,40 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-/**
- *
- */
-class Tempus extends Auth_Controller
-{
-	public function __construct()
-	{
-		$permissions = [];
-		$router = load_class('Router');
-		$permissions[$router->method] = ['admin:r', 'assistenz:r'];
-		parent::__construct($permissions);
-
-		// Load Libraries
-		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
-		
-		// Load Config
-		$this->load->config('calendar');
-	}
-
-	/**
-	 * @return void
-	 */
-	public function _remap()
-	{
-
-		$this->load->view('Tempus', [
-			'permissions' => [
-				'admin' => $this->permissionlib->isBerechtigt('admin')
-			],
-			'variables' => [
-				'semester_aktuell' => $this->variablelib->getVar('semester_aktuell'),
-				'timezone' => $this->config->item('timezone')
-			]
-		]);
-	}
-}
@@ -31,7 +31,7 @@ class RendererLoader extends FHCAPI_Controller

 		parent::__construct([
 			'GetRenderers' => self::PERM_LOGGED,
-			'GetTempusRenderers' => self::PERM_LOGGED,
+           
 		]);

        $this->load->library('LogLib');
@@ -66,26 +66,6 @@ class RendererLoader extends FHCAPI_Controller
 		$this->terminateWithSuccess($renderer_paths);
 	}

-	public function GetTempusRenderers(){
-		$renderer_paths = [];
-		Events::trigger(
-				'loadRenderers',
-				function & () use (&$renderer_paths)
-				{
-					return $renderer_paths;
-				}
-			);
-
-		Events::trigger(
-				'loadTempusRenderers',
-				function & () use (&$renderer_paths)
-				{
-					return $renderer_paths;
-				}
-			);
-		$this->terminateWithSuccess($renderer_paths);
-	}
-
 	
 	

@@ -0,0 +1,200 @@
+<?php
+defined('BASEPATH') || exit('No direct script access allowed');
+
+class IssueChecker extends FHCAPI_Controller
+{
+	const DEFAULT_PERMISSION = 'system/issues_verwalten:r';
+
+	protected $person_id;
+	protected $_extensionName = null;
+	protected $_fehlercodes = [];
+	protected $_apps = [];
+
+	protected $errors = [];
+	protected $infos = [];
+
+	public function __construct($permissions = [])
+	{
+		$default_permissions = [
+			'checkPerson' => self::DEFAULT_PERMISSION,
+			'countPersonOpenIssues' => self::DEFAULT_PERMISSION
+		];
+
+		if(!is_array($permissions))
+		{
+			$this->terminateWithError("Issue Checker: permissions must be an array");
+		}
+
+		$merged_permissions = array_merge($default_permissions, $permissions);
+
+		parent::__construct($merged_permissions);
+
+		$this->load->model('system/Issue_model', 'IssueModel');
+		$this->load->model('system/Fehler_model', 'FehlerModel');
+		$this->load->model('person/Person_model', 'PersonModel');
+
+		$producerArgs = [];
+		$resolverArgs = [];
+
+		// get fehler kurzbz from fehlercodes, if fehlercodes provided
+		if (!isEmptyArray($this->_fehlercodes))
+		{
+			$this->FehlerModel->addSelect('fehlercode, fehler_kurzbz');
+			$this->FehlerModel->db->where_in('tbl_fehler.fehlercode', $this->_fehlercodes);
+			$fehlerKurzbzRes = $this->FehlerModel->load();
+
+			if (isError($fehlerKurzbzRes)) $this->terminateWithError(getError($fehlerKurzbzRes), self::ERROR_TYPE_GENERAL);
+			if (hasData($fehlerKurzbzRes))
+			{
+				$producerArgs['fehlerKurzbz'] = array_column(getData($fehlerKurzbzRes), 'fehler_kurzbz');
+				$resolverArgs['fehlercode'] = array_column(getData($fehlerKurzbzRes), 'fehlercode');
+			}
+		}
+		elseif (!isEmptyArray($this->_apps)) // if apps are provided
+		{
+			// get fehlercodes for the apps
+			$fehlerRes = $this->FehlerModel->getByApps($this->_apps);
+			if (hasData($fehlerRes)) $this->_fehlercodes = array_column(getData($fehlerRes), 'fehlercode');
+
+			$producerArgs['apps'] = $this->_apps;
+			$resolverArgs['apps'] = $this->_apps;
+		}
+
+		// load producer and checker libraries with fehler kurbz and fehlercode list
+		$this->load->library(
+			'issues/PlausicheckProducerLib',
+			$producerArgs,
+			'PlausicheckProducerLib'
+		);
+
+		$this->load->library(
+			'issues/PlausicheckResolverLib',
+			$resolverArgs,
+			'PlausicheckResolverLib'
+		);
+
+		$this->load->library('PhrasesLib');
+
+		$this->loadPhrases(
+			array(
+				'ui'
+			)
+		);
+	}
+
+	public function checkPerson()
+	{
+		$person_id = $this->input->post('person_id', true);
+		$hauptzustaendig = filter_var($this->input->post('hauptzustaendig', true), FILTER_VALIDATE_BOOLEAN);
+
+		if (!is_numeric($person_id)) $this->terminateWithError($this->p->t('ui', 'error_invalidId', ['id'=> 'Person ID']), self::ERROR_TYPE_GENERAL);
+
+		$this->person_id = intval($person_id);
+		$this->hauptzustaendig = $hauptzustaendig;
+
+		$persRes = $this->PersonModel->load($this->person_id);
+		if (!hasData($persRes)) $this->terminateWithError('Person with id ' . $this->person_id . ' not found.', self::ERROR_TYPE_GENERAL);
+
+		$this->_produceIssues();
+		$this->_resolveIssues();
+		$this->_produceIssues();
+
+		$openIssueCountRes = $this->_countOpenIssues();
+		if (isError($openIssueCountRes)) $this->terminateWithError(getError($openIssueCountRes), self::ERROR_TYPE_GENERAL);
+
+		$data = array(
+			'person_id' => $this->person_id,
+			'openissues' => hasData($openIssueCountRes) ? getData($openIssueCountRes) : 0
+		);
+
+		$this->addMeta('errors', $this->errors);
+		$this->addMeta('infos', $this->infos);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function countPersonOpenIssues()
+	{
+		$person_id = $this->input->get('person_id', true);
+		$hauptzustaendig = filter_var($this->input->get('hauptzustaendig', true), FILTER_VALIDATE_BOOLEAN);
+
+		if (!is_numeric($person_id)) $this->terminateWithError($this->p->t('ui', 'error_invalidId', ['id'=> 'Person ID']), self::ERROR_TYPE_GENERAL);
+
+		$this->person_id = intval($person_id);
+		$this->hauptzustaendig = $hauptzustaendig;
+
+		$persRes = $this->PersonModel->load($this->person_id);
+
+		if (!hasData($persRes)) $this->terminateWithError('Person with id ' . $this->person_id . ' not found.', self::ERROR_TYPE_GENERAL);
+
+		$openIssueCountRes = $this->_countOpenIssues();
+		if (isError($openIssueCountRes)) $this->terminateWithError(getError($openIssueCountRes), self::ERROR_TYPE_GENERAL);
+
+		$data = array(
+			'person_id' => $this->person_id,
+			'openissues' => hasData($openIssueCountRes) ? getData($openIssueCountRes) : 0
+		);
+
+		$this->addMeta('errors', $this->errors);
+		$this->addMeta('infos', $this->infos);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	protected function _countOpenIssues()
+	{
+		if (isEmptyArray($this->_fehlercodes)) return success([]);
+
+		// load open issues with given errorcodes
+		$openIssuesRes = $this->IssueModel->getOpenIssues(
+			$this->_fehlercodes,
+			$this->person_id,
+			$oe_kurzbz = null,
+			$fehlercode_extern = null,
+			$this->hauptzustaendig
+		);
+
+		// log error if occured
+		if (isError($openIssuesRes)) return $openIssuesRes;
+
+		$issues = hasData($openIssuesRes) ? getData($openIssuesRes) : [];
+		$issuescount = is_array($issues) || $issues instanceof Countable ? count($issues) : 0;
+
+		return success($issuescount);
+	}
+
+	protected function _produceIssues()
+	{
+		$result = $this->PlausicheckProducerLib->producePlausicheckIssues(
+			array('person_id' => $this->person_id)
+		);
+
+		// log if error, or log info if inserted new issue
+		if (isset($result->errors))
+			$this->errors = array_merge($this->errors, $result->errors);
+		if (isset($result->infos))
+			$this->infos = array_merge($this->infos, $result->infos);
+	}
+
+	protected function _resolveIssues()
+	{
+		// load open issues with given errorcodes
+		$openIssuesRes = $this->IssueModel->getOpenIssues(
+			$this->_fehlercodes,
+			$this->person_id
+		);
+
+		if (hasData($openIssuesRes))
+		{
+			$openIssues = getData($openIssuesRes);
+
+			$result = $this->PlausicheckResolverLib->resolvePlausicheckIssues($openIssues);
+
+			// log if error, or log info if inserted new issue
+			if (isset($result->errors))
+				$this->errors = array_merge($this->errors, $result->errors);
+			if (isset($result->infos))
+				$this->infos = array_merge($this->infos, $result->infos);
+		}
+	}
+}
@@ -0,0 +1,104 @@
+<?php
+
+defined('BASEPATH') || exit('No direct script access allowed');
+
+
+class Issues extends FHCAPI_Controller
+{
+	const DEFAULT_PERMISSION = 'system/issues_verwalten:r';
+
+	public function __construct() {
+
+		parent::__construct(
+			array(
+				'getOpenIssuesByProperties' => Self::DEFAULT_PERMISSION,
+				'getPersonenMitOffenenIssues' => Self::DEFAULT_PERMISSION
+			)
+		);
+
+		// Loads authentication library and starts authenticationfetc
+		$this->load->library('AuthLib');
+
+		$this->load->model('extensions/FHC-Core-Personalverwaltung/Api_model','ApiModel');
+		$this->load->model('person/Person_model','PersonModel');
+		$this->load->model('system/Fehler_model','FehlerModel');
+		$this->load->model('system/Issue_model', 'IssueModel');
+		$this->load->model('person/Benutzer_model', 'BenutzerModel');
+	}
+
+	public function getOpenIssuesByProperties()
+	{
+		$person_id = $this->input->get('person_id', true);
+		$oe_kurzbz = $this->input->get('oe_kurzbz', true);
+		$fehlertyp_kurzbz = $this->input->get('fehlertyp_kurzbz', true);
+		$apps = $this->input->get('apps', true);
+		$behebung_parameter = $this->input->get('behebung_parameter', true);
+		$hauptzustaendig = filter_var($this->input->get('hauptzustaendig', true), FILTER_VALIDATE_BOOLEAN);
+
+		if (isset($person_id) && !is_numeric($person_id))
+			$this->terminateWithError('person id is not numeric!');
+
+		if (isset($behebung_parameter) && !is_array($behebung_parameter))
+			$this->terminateWithError('Behebung parameter invalid');
+
+		$issueRes = $this->IssueModel->getOpenIssuesByProperties(
+			$person_id,
+			$oe_kurzbz,
+			$fehlertyp_kurzbz,
+			$apps,
+			$behebung_parameter,
+			$hauptzustaendig
+		);
+
+		if (isError($issueRes))
+		{
+			$this->terminateWithError(getError($issueRes));
+		}
+
+		$this->terminateWithSuccess(hasData($issueRes) ? getData($issueRes) : []);
+	}
+
+	public function getPersonenMitOffenenIssues()
+	{
+
+		$sql = <<<EOSQL
+SELECT
+
+		person_id, uid, vorname, nachname, count(*) AS openissues ,
+		(select count(*) anz_aktiv
+		 from hr.tbl_dienstverhaeltnis dv
+		 where dv.mitarbeiter_uid=uid and dv.von<=now() and
+		       (dv.bis is null OR dv.bis>=now())
+		) aktiv
+FROM
+		system.tbl_issue
+JOIN
+		system.tbl_fehler USING (fehlercode)
+JOIN
+		public.tbl_person USING (person_id)
+JOIN
+		public.tbl_benutzer USING (person_id)
+JOIN
+		public.tbl_mitarbeiter ON uid = mitarbeiter_uid
+WHERE
+		app = 'personalverwaltung' AND verarbeitetamum IS NULL
+GROUP BY
+		person_id, uid, vorname, nachname
+HAVING
+		count(*) > 0
+ORDER BY
+		count(*) DESC;
+
+EOSQL;
+
+		$personenmitissues = $this->IssueModel->execReadOnlyQuery($sql);
+		if( hasData($personenmitissues) )
+		{
+			$this->terminateWithSuccess(getData($personenmitissues));
+		}
+		else
+		{
+			$this->terminateWithSuccess(array());
+		}
+	}
+}
@@ -0,0 +1,17 @@
+<?php
+defined('BASEPATH') || exit('No direct script access allowed');
+
+require_once APPPATH.'/controllers/api/frontend/v1/issues/IssueChecker.php';
+
+class StudentIssueChecker extends IssueChecker
+{
+	protected $_apps = array(
+		'core',
+		'dvuh',
+		'bis'
+	);
+
+	//protected $_fehlercodes = array(
+		//~ 'CORE_AA_0001'
+	//);
+}
@@ -118,17 +118,54 @@ class Gruppe extends FHCAPI_Controller

 		$query_words = explode(' ', $query);

-		$gruppen_result = $this->_ci->GruppeModel->search($query_words);
+		$this->_ci->GruppeModel->addSelect('gruppe_kurzbz,
+											studiengang_kz,
+											semester,
+											bezeichnung,
+											gid,
+											\'false\' as lehrverband');
+		$this->_ci->GruppeModel->db->where(array('sichtbar' => true, 'aktiv' => true, 'lehre' => true, 'direktinskription' => false, 'semester IS NOT NULL' => null));
+		$this->_ci->GruppeModel->db->group_start();
+		foreach ($query_words as $word)
+		{
+			$this->_ci->GruppeModel->db->group_start();
+			$this->_ci->GruppeModel->db->where('gruppe_kurzbz ILIKE', "%" . $word . "%");
+			$this->_ci->GruppeModel->db->or_where('bezeichnung ILIKE', "%" . $word . "%");
+			$this->_ci->GruppeModel->db->group_end();
+		}
+		$this->_ci->GruppeModel->db->group_end();
+
+		$gruppen_result = $this->_ci->GruppeModel->load();
+
+		$gruppen_array = array();

 		if (isError($gruppen_result))
 			$this->terminateWithError(getError($gruppen_result), self::ERROR_TYPE_GENERAL);

-		$gruppen_array = array();
-
 		if (hasData($gruppen_result))
 			$gruppen_array = getData($gruppen_result);

-		$lehrverband_result = $this->_ci->LehrverbandModel->search($query_words);
+		$this->_ci->LehrverbandModel->addSelect('CONCAT(UPPER(CONCAT(typ, kurzbz)), \'\', semester, verband, COALESCE(gruppe,\'\')) as gruppe_kurzbz,
+												studiengang_kz,
+												semester,
+												tbl_lehrverband.bezeichnung,
+												gid,
+												\'true\' as lehrverband');
+		$this->_ci->LehrverbandModel->addJoin('public.tbl_studiengang', 'studiengang_kz');
+		$this->_ci->LehrverbandModel->addOrder('verband');
+		$this->_ci->LehrverbandModel->addOrder('gruppe');
+		$this->_ci->LehrverbandModel->db->where(array('tbl_lehrverband.aktiv' => true));
+
+		$this->_ci->LehrverbandModel->db->group_start();
+		foreach ($query_words as $word)
+		{
+			$this->_ci->LehrverbandModel->db->group_start();
+			$this->_ci->LehrverbandModel->db->where('CONCAT(CONCAT(typ, kurzbz), \'\', semester, verband, COALESCE(gruppe,\'\')) ILIKE', "%" . $word . "%");
+			$this->_ci->LehrverbandModel->db->or_where('tbl_lehrverband.bezeichnung ILIKE', "%" . $word . "%");
+			$this->_ci->LehrverbandModel->db->group_end();
+		}
+		$this->_ci->LehrverbandModel->db->group_end();
+		$lehrverband_result = $this->_ci->LehrverbandModel->load();

 		$lehrverband_array = array();

@@ -1,125 +0,0 @@
-<?php
-
-if (!defined('BASEPATH'))
-	exit('No direct script access allowed');
-
-
-class Config extends FHCAPI_Controller
-{
-	private $_ci;
-
-	public function __construct()
-	{
-		parent::__construct([
-			'get' => ['admin:r', 'assistenz:r'],
-			'getHeader' => ['admin:r', 'assistenz:r'],
-			'set' => ['admin:r', 'assistenz:r'],
-		]);
-
-		// Load Phrases
-		$this->loadPhrases([
-			'ui',
-		]);
-
-		$this->_ci = &get_instance();
-		$this->_ci->load->model('ressource/Kalenderstatus_model', 'KalenderStatusModel');
-	}
-
-	public function get()
-	{
-		$this->_ci->load->model('system/Variable_model', 'VariableModel');
-
-		$config = [];
-
-		$result = $this->_ci->VariableModel->getVariables(getAuthUID(), ['ignore_kollision', 'kollision_student', 'ignore_reservierung', 'ignore_zeitsperre', 'ignore_resources_collisions']);
-
-		$data = $this->getDataOrTerminateWithError($result);
-		$config['ignore_kollision'] = [
-			"type"  => "checkbox",
-			"label" => $this->p->t('ui', 'ignore_kollision'),
-			"value" => ($data['ignore_kollision'] ?? 'false') === 'true'
-
-		];
-
-		$config['kollision_student'] = [
-			"type"  => "checkbox",
-			"label" => $this->p->t('ui', 'kollision_student'),
-			"value" => ($data['kollision_student'] ?? 'false') === 'true'
-		];
-
-		$config['ignore_reservierung'] = [
-			"type"  => "checkbox",
-			"label" => $this->p->t('ui', 'ignore_reservierung'),
-			"value" => ($data['ignore_reservierung'] ?? 'false') === 'true'
-
-		];
-
-		$config['ignore_zeitsperre'] = [
-			"type"  => "checkbox",
-			"label" => $this->p->t('ui', 'ignore_zeitsperre'),
-			"value" => ($data['ignore_zeitsperre'] ?? 'false') === 'true'
-		];
-
-		$config['ignore_resources_collisions'] = [
-			"type"  => "checkbox",
-			"label" => $this->p->t('ui', 'ignore_resources_collisions'),
-			"value" => ($data['ignore_resources_collisions'] ?? 'false') === 'true'
-		];
-
-		$this->terminateWithSuccess($config);
-	}
-	public function getHeader()
-	{
-		$language = getUserLanguage() == 'German' ? 0 : 1;
-
-		$this->_ci->KalenderStatusModel->addSelect('*, array_to_json(bezeichnung_mehrsprachig::varchar[])->>' . $language .' AS status');
-		$this->_ci->KalenderStatusModel->addOrder('sort');
-		$this->_ci->KalenderStatusModel->db->where_not_in('status_kurzbz', array('archived', 'deleted'));
-		$visible_status = $this->_ci->KalenderStatusModel->load();
-
-		$visible_status = getData($visible_status);
-
-		$config['visible_status']['all'] = 'Alle';
-
-		foreach ($visible_status as $status)
-		{
-			$config['visible_status'][$status->status_kurzbz] = $status->status;
-		}
-
-		$this->terminateWithSuccess($config);
-	}
-
-	public function set()
-	{
-		$this->_ci->load->model('system/Variable_model', 'VariableModel');
-
-		$this->_ci->VariableModel->setVariable(
-			getAuthUID(),
-			'ignore_kollision',
-			$this->input->post('ignore_kollision') === true ? 'true' : 'false'
-		);
-		$this->_ci->VariableModel->setVariable(
-			getAuthUID(),
-			'kollision_student',
-			$this->input->post('kollision_student') === true ? 'true' : 'false'
-		);
-		$this->_ci->VariableModel->setVariable(
-			getAuthUID(),
-			'ignore_reservierung',
-			$this->input->post('ignore_reservierung') === true ? 'true' : 'false'
-		);
-		$this->_ci->VariableModel->setVariable(
-			getAuthUID(),
-			'ignore_zeitsperre',
-			$this->input->post('ignore_zeitsperre') === true ? 'true' : 'false'
-		);
-		$this->_ci->VariableModel->setVariable(
-			getAuthUID(),
-			'ignore_resources_collisions',
-			$this->input->post('ignore_resources_collisions') === true ? 'true' : 'false'
-		);
-		$this->terminateWithSuccess();
-	}
-
-
-}
@@ -1,254 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-class Coursepicker extends FHCAPI_Controller
-{
-	private $_ci;
-	public function __construct()
-	{
-		parent::__construct([
-			'search' => self::PERM_LOGGED,
-			'getByStg' => self::PERM_LOGGED
-		]);
-
-		$this->_ci = &get_instance();
-		$this->load->library('form_validation');
-
-		$this->_ci->load->model('education/lehreinheit_model', 'LehreinheitModel');
-		$this->_ci->load->model('education/Lehreinheitmitarbeiter_model', 'LehreinheitmitarbeiterModel');
-
-
-		$this->loadPhrases(['ui']);
-	}
-
-	public function search()
-	{
-		$query = $this->input->get('query');
-		if (is_null($query))
-			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
-
-		$query_words = explode(' ', $query);
-
-		//TODO Where weiter anpassen z.B. Fachbereich
-		$this->_ci->LehreinheitModel->addSelect('tbl_lehreinheit.lehreinheit_id,
-												tbl_lehreinheit.unr,
-												tbl_lehreinheit.lvnr,
-												tbl_lehreinheit.lehrfach_id,
-												lehrfach.kurzbz AS lehrfach,
-												lehrfach.bezeichnung AS lehrfach_bez,
-												lehrfach.farbe AS lehrfach_farbe,
-												tbl_lehreinheit.lehrform_kurzbz AS lehrform,
-												lema.mitarbeiter_uid AS lektor_uid,
-												tbl_mitarbeiter.kurzbz AS lektor,
-												tbl_studiengang.studiengang_kz,
-												upper(tbl_studiengang.typ::character varying::text || tbl_studiengang.kurzbz::text) AS studiengang,
-												lvb.semester,
-												lvb.verband,
-												lvb.gruppe,
-												lvb.gruppe_kurzbz,
-												tbl_lehreinheit.raumtyp,
-												tbl_lehreinheit.raumtypalternativ,
-												tbl_lehreinheit.stundenblockung,
-												tbl_lehreinheit.wochenrythmus,
-												lema.semesterstunden,
-												lema.planstunden,
-												tbl_lehreinheit.start_kw,
-												tbl_lehreinheit.anmerkung,
-												tbl_lehreinheit.studiensemester_kurzbz');
-
-		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehreinheitmitarbeiter lema', 'tbl_lehreinheit.lehreinheit_id = lema.lehreinheit_id');
-		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehreinheitgruppe lvb', 'tbl_lehreinheit.lehreinheit_id = lvb.lehreinheit_id');
-		$this->_ci->LehreinheitModel->addJoin('public.tbl_studiengang', 'lvb.studiengang_kz = tbl_studiengang.studiengang_kz');
-		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehrveranstaltung lehrfach', 'tbl_lehreinheit.lehrfach_id = lehrfach.lehrveranstaltung_id');
-		$this->_ci->LehreinheitModel->addJoin('public.tbl_mitarbeiter', 'lema.mitarbeiter_uid = tbl_mitarbeiter.mitarbeiter_uid');
-		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehrform', 'tbl_lehrform.lehrform_kurzbz = tbl_lehreinheit.lehrform_kurzbz');
-
-		$this->_ci->MitarbeiterModel->db->group_start();
-
-		foreach ($query_words as $word)
-		{
-			$this->_ci->LehreinheitModel->db->group_start();
-			$this->_ci->LehreinheitModel->db->where('lema.mitarbeiter_uid ILIKE', "%" . $word . "%");
-			$this->_ci->LehreinheitModel->db->or_where('lvb.gruppe_kurzbz ILIKE', "%" . $word . "%");
-			$this->_ci->LehreinheitModel->db->or_where('tbl_studiengang.kurzbzlang ILIKE', "%" . $word . "%");
-			$this->_ci->LehreinheitModel->db->or_where('lvb.verband ILIKE', "%" . $word . "%");
-			$this->_ci->LehreinheitModel->db->or_where('lvb.gruppe ILIKE', "%" . $word . "%");
-			$this->_ci->LehreinheitModel->db->or_where('lehrfach.bezeichnung ILIKE', "%" . $word . "%");
-
-			if (is_numeric($word))
-			{
-				$this->_ci->LehreinheitModel->db->or_where('tbl_studiengang.studiengang_kz', $word);
-				$this->_ci->LehreinheitModel->db->or_where('lvb.semester', $word);
-			}
-			$this->_ci->LehreinheitModel->db->group_end();
-
-		}
-		$this->_ci->LehreinheitModel->db->group_end();
-		$this->_ci->LehreinheitModel->db->where('tbl_lehreinheit.studiensemester_kurzbz = \'SS2025\'');
-		$this->_ci->LehreinheitModel->db->where(array('tbl_lehrform.verplanen' => true));
-
-		$result = $this->_ci->LehreinheitModel->load();
-
-		$this->terminateWithSuccess(hasData($result) ? getData($result) : array());
-	}
-
-	public function getByStg()
-	{
-		//TODO check einbauen ob studiensemester und stg vorhanden ist
-		$stg = $this->input->get('stg');
-		$studiensemester_kurzbz = $this->input->get('studiensemester_kurzbz');
-		if (is_null($stg) || is_null($studiensemester_kurzbz))
-			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
-
-		$this->_ci->LehreinheitModel->addSelect('
-			tbl_lehreinheit.lehreinheit_id,
-			tbl_lehreinheit.unr,
-			tbl_lehreinheit.lvnr,
-			tbl_lehreinheit.lehrfach_id,
-			lehrfach.kurzbz AS lehrfach,
-			lehrfach.bezeichnung AS lehrfach_bez,
-			lehrfach.farbe AS lehrfach_farbe,
-			tbl_lehreinheit.lehrform_kurzbz AS lehrform,
-			lema.mitarbeiter_uid AS lektor_uid,
-			ma.kurzbz AS lektor,
-			tbl_person.vorname,
-			tbl_person.nachname,
-			tbl_studiengang.studiengang_kz,
-			upper(tbl_studiengang.typ::character varying::text || tbl_studiengang.kurzbz::text) AS studiengang,
-			lvb.semester,
-			lvb.verband,
-			lvb.gruppe,
-			lvb.gruppe_kurzbz,
-			tbl_lehreinheit.raumtyp,
-			tbl_lehreinheit.raumtypalternativ,
-			tbl_lehreinheit.stundenblockung,
-			tbl_lehreinheit.wochenrythmus,
-			lema.semesterstunden,
-			lema.planstunden,
-			tbl_lehreinheit.start_kw,
-			tbl_lehreinheit.anmerkung,
-			tbl_lehreinheit.studiensemester_kurzbz
-		');
-		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehreinheitmitarbeiter lema', 'tbl_lehreinheit.lehreinheit_id = lema.lehreinheit_id');
-		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehreinheitgruppe lvb', 'tbl_lehreinheit.lehreinheit_id = lvb.lehreinheit_id');
-		$this->_ci->LehreinheitModel->addJoin('public.tbl_studiengang', 'lvb.studiengang_kz = tbl_studiengang.studiengang_kz');
-		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehrveranstaltung lehrfach', 'tbl_lehreinheit.lehrfach_id = lehrfach.lehrveranstaltung_id');
-		$this->_ci->LehreinheitModel->addJoin('public.tbl_mitarbeiter ma', 'lema.mitarbeiter_uid = ma.mitarbeiter_uid');
-		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehrform', 'tbl_lehrform.lehrform_kurzbz = tbl_lehreinheit.lehrform_kurzbz');
-		$this->_ci->LehreinheitModel->addJoin('public.tbl_benutzer', 'ma.mitarbeiter_uid = tbl_benutzer.uid');
-		$this->_ci->LehreinheitModel->addJoin('public.tbl_person', 'tbl_benutzer.person_id = tbl_person.person_id');
-
-		$result = $this->_ci->LehreinheitModel->loadWhere(array(
-			'tbl_lehrform.verplanen' => true,
-			'tbl_studiengang.studiengang_kz' => $stg,
-			'tbl_lehreinheit.studiensemester_kurzbz' => $studiensemester_kurzbz
-		));
-
-		$result = hasData($result) ? getData($result) : array();
-		$grouped = array();
-
-		foreach ($result as $row)
-		{
-			$unr = $row->unr;
-			if (!isset($grouped[$unr]))
-			{
-				$grouped[$unr] = (object)array(
-					'unr' => $row->unr,
-					'lehrfach_id' => $row->lehrfach_id,
-					'lehrfach_bez' => $row->lehrfach_bez,
-					'lehrfach_farbe' => $row->lehrfach_farbe,
-					'studiengang_kz' => $row->studiengang_kz,
-					'studiengang' => $row->studiengang,
-					'semester' => $row->semester,
-					'verband' => $row->verband,
-					'gruppe' => $row->gruppe,
-					'gruppe_kurzbz' => $row->gruppe_kurzbz,
-					'raumtyp' => $row->raumtyp,
-					'raumtypalternativ' => $row->raumtypalternativ,
-					'anmerkung' => $row->anmerkung,
-					'studiensemester_kurzbz' => $row->studiensemester_kurzbz,
-					'fachbereich_kurzbz' => isset($row->fachbereich_kurzbz) ? $row->fachbereich_kurzbz : null,
-					'lektoren' => array(),
-					'lehreinheit_id' => array(),
-					'lvnr' => array(),
-					'lehrfach' => array(),
-					'lehrform' => array(),
-					'stundenblockung' => array(),
-					'wochenrythmus' => array(),
-					'planstunden' => array(),
-					'start_kw' => array(),
-					'verplant' => array(),
-					'offenestunden' => array(),
-					'lehrverband' => array(),
-					'lem' => array(),
-					'verplant_gesamt' => 0,
-				);
-			}
-
-			$group = $grouped[$unr];
-
-			$group->lektoren[$row->lektor_uid] = (object)array(
-				'uid' => $row->lektor_uid,
-				'kurzbz' => trim($row->lektor),
-				'name' => $row->vorname . ' ' . $row->nachname,
-			);
-
-			$group->lehreinheit_id[] = $row->lehreinheit_id;
-			$group->lvnr[] = $row->lvnr;
-			$group->lehrfach[] = $row->lehrfach;
-			$group->lehrform[] = $row->lehrform;
-			$group->stundenblockung[] = $row->stundenblockung;
-			$group->wochenrythmus[] = $row->wochenrythmus;
-			$group->planstunden[] = $row->planstunden;
-			$group->start_kw[] = $row->start_kw;
-			$group->verplant[] = isset($row->verplant) ? $row->verplant : 0;
-			$group->offenestunden[] = isset($row->offenestunden) ? $row->offenestunden : 0;
-			$group->verplant_gesamt += isset($row->verplant) ? $row->verplant : 0;
-
-			$lvb = $row->studiengang . '-' . $row->semester;
-
-			if ($row->verband != '' && $row->verband != ' ' && $row->verband != '0' && $row->verband != null)
-				$lvb .= $row->verband;
-
-			if ($row->gruppe != '' && $row->gruppe != ' ' && $row->gruppe != '0' && $row->gruppe != null)
-				$lvb .= $row->gruppe;
-
-			$group->lehrverband[] = ($row->gruppe_kurzbz != '' && $row->gruppe_kurzbz != null) ? $row->gruppe_kurzbz : $lvb;
-
-			$group->lem[] = array(
-				'lehreinheit_id' => $row->lehreinheit_id,
-				'mitarbeiter_uid' => $row->lektor_uid,
-			);
-		}
-
-		foreach ($grouped as $group)
-		{
-			$group->lektoren = array_values($group->lektoren);
-			$group->lehrverband = array_values(array_unique($group->lehrverband));
-			$group->lehrfach = $this->_formatArr($group->lehrfach);
-			$group->lehrform = $this->_formatArr($group->lehrform);
-			$group->stundenblockung = $this->_formatArr($group->stundenblockung);
-			$group->wochenrythmus = $this->_formatArr($group->wochenrythmus);
-			$group->planstunden = $this->_formatArr($group->planstunden);
-			$group->start_kw = $this->_formatArr($group->start_kw);
-			$group->verplant = $this->_formatArr($group->verplant);
-			$group->offenestunden = $this->_formatArr($group->offenestunden);
-		}
-
-		$this->terminateWithSuccess(array_values($grouped));
-	}
-
-	private function _formatArr($arr)
-	{
-		$values = array_values(array_unique($arr));
-		$formatted = implode(' ', $values);
-
-		if (count($formatted) > 1)
-			$formatted .= ' ?';
-
-		return $formatted;
-	}
-
-
-}
@@ -1,400 +0,0 @@
-<?php
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-class Kalender extends FHCAPI_Controller
-{
-
-	private $_ci;
-	const ALLOWED_PLAN_FILTER = ['ort', 'uid', 'stg'];
-	const ALLOWED_ROOM_FILTER = ['lehreinheit_id', 'kalender_id'];
-
-	const ALLOWED_TO_UPDATE = ['start_time', 'end_time', 'ort_kurzbz'];
-	/**
-	 * Object initialization
-	 */
-	public function __construct()
-	{
-		parent::__construct([
-			'getStunden' => self::PERM_LOGGED,
-			'getCalendarHours' => self::PERM_LOGGED,
-			'getPlan' => self::PERM_LOGGED,
-			'getPlanByOrt' => self::PERM_LOGGED,
-			'getRaumvorschlag' => self::PERM_LOGGED,
-			'getHistory' => 'lehre/lvplan:rw',
-			'deleteEntry' => 'lehre/lvplan:rw',
-			'syncToLecturer' => 'lehre/lvplan:rw',
-			'syncToStudent' => 'lehre/lvplan:rw',
-			'getPlanLecturer' =>'lehre/lvplan:rw',
-			'getPlanStudent' => 'lehre/lvplan:rw',
-			'getZeitwuensche' => self::PERM_LOGGED,
-			'getZeitsperren' => self::PERM_LOGGED,
-			'updateKalenderEvent' => 'lehre/lvplan:rw',
-			'addKalenderEvent' => 'lehre/lvplan:rw',
-			'addReservierung' => 'lehre/lvplan:rw',
-			'sync' => 'lehre/lvplan:rw',
-		]);
-
-		$this->_ci =& get_instance();
-
-		$this->_ci->load->library('LogLib');
-		$this->_ci->load->library('form_validation');
-		$this->_ci->load->library('KalenderLib');
-		$this->_ci->load->library('RaumvorschlagLib');
-		$this->loadPhrases([
-			'ui'
-		]);
-		$this->_ci->load->config('tempus');
-
-
-		$this->_ci->loglib->setConfigs(array(
-			'classIndex' => 5,
-			'functionIndex' => 5,
-			'lineIndex' => 4,
-			'dbLogType' => 'API', // required
-			'dbExecuteUser' => 'RESTful API'
-		));
-	}
-
-	//------------------------------------------------------------------------------------------------------------------
-	// Public methods
-	/**
-	 * fetches Stunden layout from database
-	 * @access public
-	 *
-	 */
-	public function getStunden()
-	{
-		$this->load->model('ressource/Stunde_model', 'StundeModel');
-
-		$this->_ci->StundeModel->addOrder('stunde', 'ASC');
-		$stunden = $this->_ci->StundeModel->load();
-
-		$stunden = $this->getDataOrTerminateWithError($stunden);
-
-		$this->terminateWithSuccess($stunden);
-	}
-
-	public function getCalendarHours()
-	{
-		$calender_start = $this->_ci->config->item('calendar_start') ?? 7;
-		$calender_end = $this->_ci->config->item('calendar_end') ?? 23;
-
-		$this->terminateWithSuccess(array(
-			'start' => $calender_start,
-			'end' => $calender_end
-		));
-	}
-
-	public function getPlan()
-	{
-		$this->_ci->form_validation->set_data($_GET);
-		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
-		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
-
-		if($this->_ci->form_validation->run() === FALSE)
-			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
-
-		$start_date = $this->_ci->input->get('start_date', TRUE);
-		$end_date = $this->_ci->input->get('end_date', TRUE);
-
-		$filter = $this->_checkFilter(self::ALLOWED_PLAN_FILTER);
-
-		$stundenplan_data = $this->_ci->kalenderlib->getPlanForPlanner(
-			$start_date,
-			$end_date,
-			isset($filter->ort) ? $filter->ort : null,
-			isset($filter->uid) ? $filter->uid : null,
-			isset($filter->stg) ? $filter->stg : null
-		);
-
-		$this->terminateWithSuccess($stundenplan_data);
-	}
-
-	public function getPlanStudent()
-	{
-		$this->_ci->form_validation->set_data($_GET);
-		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
-		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
-
-		if($this->_ci->form_validation->run() === FALSE)
-			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
-
-		$start_date = $this->_ci->input->get('start_date', TRUE);
-		$end_date = $this->_ci->input->get('end_date', TRUE);
-
-		$stundenplan_data = $this->_ci->kalenderlib->getPlanForStudent(
-			$start_date,
-			$end_date
-		);
-
-		$this->terminateWithSuccess($stundenplan_data);
-	}
-
-	public function getPlanLecturer()
-	{
-		$this->_ci->form_validation->set_data($_GET);
-		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
-		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
-
-		if($this->_ci->form_validation->run() === FALSE)
-			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
-
-		$start_date = $this->_ci->input->get('start_date', TRUE);
-		$end_date = $this->_ci->input->get('end_date', TRUE);
-
-		$stundenplan_data = $this->_ci->kalenderlib->getPlanForLecturer(
-			$start_date,
-			$end_date
-		);
-
-		$this->terminateWithSuccess($stundenplan_data);
-	}
-
-	public function getPlanByOrt($start_date = null, $end_date = null, $ort = null)
-	{
-		if (!isset($start_date) || !isset($end_date) || !isset($ort))
-		{
-			$this->_ci->form_validation->set_data($_GET);
-			$this->_ci->form_validation->set_rules('start_date',"start_date","required");
-			$this->_ci->form_validation->set_rules('end_date',"end_date","required");
-			$this->_ci->form_validation->set_rules('ort',"ort","required");
-			if($this->_ci->form_validation->run() === FALSE)
-				$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
-
-			$start_date = $this->_ci->input->get('start_date', TRUE);
-			$end_date = $this->_ci->input->get('end_date', TRUE);
-			$ort = $this->_ci->input->get('ort', TRUE);
-		}
-
-		$this->terminateWithSuccess($this->_ci->kalenderlib->getPlanByOrt($start_date, $end_date, $ort));
-	}
-
-	public function getZeitsperren()
-	{
-		$this->_ci->form_validation->set_data($_GET);
-		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
-		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
-		$this->_ci->form_validation->set_rules('emp',"emp","required");
-		if($this->_ci->form_validation->run() === FALSE)
-			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
-
-		$start_date = $this->_ci->input->get('start_date', TRUE);
-		$end_date = $this->_ci->input->get('end_date', TRUE);
-		$emp = $this->_ci->input->get('emp', TRUE);
-
-		$stundenplan_data = $this->_ci->kalenderlib->getZeitsperren($start_date, $end_date, $emp);
-
-		$this->terminateWithSuccess($stundenplan_data);
-	}
-
-	public function getZeitwuensche()
-	{
-		$this->_ci->form_validation->set_data($_GET);
-		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
-		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
-		$this->_ci->form_validation->set_rules('emp',"emp","required");
-
-		if($this->_ci->form_validation->run() === FALSE)
-			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
-
-		$start_date = $this->_ci->input->get('start_date', TRUE);
-		$end_date = $this->_ci->input->get('end_date', TRUE);
-		$emp = $this->_ci->input->get('emp', TRUE);
-
-		$stundenplan_data = $this->_ci->kalenderlib->getZeitwuensche($start_date, $end_date, $emp);
-
-		$this->terminateWithSuccess($stundenplan_data);
-	}
-
-	public function updateKalenderEvent()
-	{
-		$this->_ci->form_validation->set_data($_POST);
-		$this->_ci->form_validation->set_rules('kalender_id',"kalender_id","required");
-
-		if($this->_ci->form_validation->run() === FALSE)
-			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
-
-		$updateFields = $this->_checkUpdate($this->_ci->input->post('updatedInfos', TRUE));
-		$kalender_id = $this->_ci->input->post('kalender_id', TRUE);
-
-		$result = $this->_ci->kalenderlib->updateKalenderEvent($kalender_id, $updateFields->ort_kurzbz ?? null,  $updateFields->start_time ?? null,  $updateFields->end_time ?? null);
-
-		if (isError($result))
-			$this->terminateWithError(getError($result),  $result->code);
-
-		$this->terminateWithSuccess(getData($result));
-	}
-
-	public function getRaumvorschlag()
-	{
-		$this->_ci->form_validation->set_data($_GET);
-
-		$filter = $this->_checkFilter(self::ALLOWED_ROOM_FILTER);
-		$this->terminateWithSuccess($this->_ci->raumvorschlaglib->getVorschlaege($filter->kalender_id));
-	}
-
-	public function getHistory()
-	{
-		$this->_ci->form_validation->set_data($_GET);
-		$this->_ci->form_validation->set_rules('kalender_id',"kalender_id","required");
-
-		if($this->_ci->form_validation->run() === FALSE)
-			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
-
-		$kalender_id = $this->_ci->input->get('kalender_id', TRUE);
-
-		$result = $this->_ci->kalenderlib->getHistory($kalender_id);
-
-		if (isError($result))
-			$this->terminateWithError(getError($result));
-
-		$this->terminateWithSuccess(getData($result));
-	}
-
-	public function deleteEntry()
-	{
-		$this->_ci->form_validation->set_data($_POST);
-		$this->_ci->form_validation->set_rules('kalender_id', "kalender_id", "required");
-
-		if($this->_ci->form_validation->run() === FALSE)
-			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
-
-		$kalender_id = $this->_ci->input->post('kalender_id', TRUE);
-
-		$result = $this->_ci->kalenderlib->deleteEntry($kalender_id);
-
-		if (isError($result))
-			$this->terminateWithError(getError($result));
-
-		$this->terminateWithSuccess(getData($result));
-	}
-
-	public function sync()
-	{
-		$result = $this->_ci->kalenderlib->sync();
-		$this->terminateWithSuccess(getData($result));
-	}
-	public function syncToLecturer()
-	{
-		$this->_ci->form_validation->set_data($_POST);
-		$this->_ci->form_validation->set_rules('kalender_id', "kalender_id", "required");
-
-		if($this->_ci->form_validation->run() === FALSE)
-			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
-
-		$kalender_id = $this->_ci->input->post('kalender_id', TRUE);
-
-		$result = $this->_ci->kalenderlib->updateStatus($kalender_id, 'sync_preview');
-
-		if (isError($result))
-			$this->terminateWithError(getError($result));
-
-		$this->terminateWithSuccess(getData($result));
-	}
-	public function syncToStudent()
-	{
-		$this->_ci->form_validation->set_data($_POST);
-		$this->_ci->form_validation->set_rules('kalender_id', "kalender_id", "required");
-
-		if($this->_ci->form_validation->run() === FALSE)
-			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
-
-		$kalender_id = $this->_ci->input->post('kalender_id', TRUE);
-
-		$result = $this->_ci->kalenderlib->updateStatus($kalender_id, 'sync_live');
-
-		if (isError($result))
-			$this->terminateWithError(getError($result));
-
-		$this->terminateWithSuccess(getData($result));
-	}
-	public function addKalenderEvent()
-	{
-		$this->_ci->form_validation->set_data($_POST);
-		$this->_ci->form_validation->set_rules('lehreinheit_id',"lehreinheit_id","required");
-		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
-		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
-
-		if($this->_ci->form_validation->run() === FALSE)
-			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
-
-		$lehreinheit_id = $this->_ci->input->post('lehreinheit_id', TRUE);
-		$ort_kurzbz = $this->_ci->input->post('ort_kurzbz', TRUE);
-		$start_date = $this->_ci->input->post('start_date', TRUE);
-		$end_date = $this->_ci->input->post('end_date', TRUE);
-
-
-		$result = $this->_ci->kalenderlib->addKalenderEvent($start_date, $end_date, $lehreinheit_id, $ort_kurzbz);
-
-		if (isError($result))
-			$this->terminateWithError(getError($result));
-
-		$this->terminateWithSuccess(getData($result));
-	}
-
-	public function addReservierung()
-	{
-		$this->_ci->form_validation->set_data($_POST);
-		$this->_ci->form_validation->set_rules('titel',"titel","required");
-		$this->_ci->form_validation->set_rules('beschreibung',"beschreibung","required");
-		$this->_ci->form_validation->set_rules('ort_kurzbz',"ort_kurzbz","required");
-		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
-		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
-
-		if($this->_ci->form_validation->run() === FALSE)
-			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
-
-		$titel = $this->_ci->input->post('titel', TRUE);
-		$beschreibung = $this->_ci->input->post('beschreibung', TRUE);
-		$ort_kurzbz = $this->_ci->input->post('ort_kurzbz', TRUE);
-		$start_date = $this->_ci->input->post('start_date', TRUE);
-		$end_date = $this->_ci->input->post('end_date', TRUE);
-
-
-		$result = $this->_ci->kalenderlib->addReservierung($titel, $beschreibung, $ort_kurzbz, $start_date, $end_date);
-
-		if (isError($result))
-			$this->terminateWithError(getError($result));
-
-		$this->terminateWithSuccess(getData($result));
-	}
-
-	private function _checkFilter($filters)
-	{
-		$filter_valid = true;
-		$filter_object = new stdClass();
-		foreach ($filters as $filter)
-		{
-			if ($this->_ci->input->get($filter))
-			{
-				$filter_valid = true;
-				$filter_object->$filter = $this->_ci->input->get($filter);
-			}
-		}
-
-		if (!$filter_valid)
-			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
-
-		return $filter_object;
-	}
-
-	private function _checkUpdate($updateInfos)
-	{
-		$update_valid = false;
-		$update_object = new stdClass();
-		foreach (self::ALLOWED_TO_UPDATE as $filter)
-		{
-			if (isset($updateInfos[$filter]))
-			{
-				$update_valid = true;
-				$update_object->$filter = $updateInfos[$filter];
-			}
-		}
-
-		if (!$update_valid)
-			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
-
-
-		return $update_object;
-	}
-}
@@ -1,84 +0,0 @@
-<?php
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-class OperationalResourceToCalenderAPI extends FHCAPI_Controller
-{
-	/**
-	 * Object initialization
-	 */
-	public function __construct()
-	{
-		parent::__construct([
-			'getAssignedResourcesByCalender' => ['admin:r', 'assistenz:r'],
-			'storeResourcesToCalendarRelationship' => ['admin:w', 'assistenz:w'],
-			'getSchedulableResourcesByCalendar' => ['admin:r', 'assistenz:r'],
-		]);
-
-		$this->load->model('ressource/BetriebsmittelKalender_model', 'BetriebsmittelKalenderModel');
-		$this->load->model('ressource/Betriebsmittel_model', 'BetriebsmittelModel');
-		$this->load->model('ressource/Kalender_model', 'KalenderModel');
-
-		$this->load->library('CollisionChecker');
-		$this->load->library('KalenderLib');
-	}
-
-	//------------------------------------------------------------------------------------------------------------------
-	// Public methods
-	public function getSchedulableResourcesByCalendar($calenderID)
-	{ 
-		if (!isset($calenderID)) $this->terminateWithError("Missing required parameter 'kalender_id'");
-
-		$result = $this->KalenderModel->loadWhere(['kalender_id' => $calenderID]);
-		if (isError($result)) $this->terminateWithError("Calendar with id '$calenderID' does not have a valid group id");
- 
-		$calender = $this->getDataOrTerminateWithError($result)[0];
-		if (!isset($calender)) $this->terminateWithError("Calendar with id '$calenderID' not found");
-
-		$result = $this->BetriebsmittelModel->getSchedulableEntriesByDatetimeInterval($calender->von, $calender->bis);
-		$this->terminateWithSuccess($this->getDataOrTerminateWithError($result));
-	}
-
-	public function getAssignedResourcesByCalender($calenderID)
-	{
-		if (!isset($calenderID)) $this->terminateWithError("Missing required parameter 'kalender_id'");
-
-		$result = $this->KalenderModel->loadWhere(['kalender_id' => $calenderID]);
-		if (empty($result)) $this->terminateWithError("Calendar with id '$calenderID' not found");
- 
-		$calenderGroupID = $this->getDataOrTerminateWithError($result)[0]->eindeutige_gruppen_id;
-		if (!isset($calenderGroupID)) $this->terminateWithError("Calendar with id '$calenderID' does not have a valid group id");
-
-
-		$this->BetriebsmittelKalenderModel->addSelect(['tbl_betriebsmittel_kalender.*', 'tbl_betriebsmittel.beschreibung', 'tbl_betriebsmittel.verplanen']);
-		$this->BetriebsmittelKalenderModel->addJoin('wawi.tbl_betriebsmittel', 'betriebsmittel_id');
-		$result = $this->BetriebsmittelKalenderModel->loadWhere([
-			'eindeutige_kalender_gruppen_id' => $calenderGroupID,
-			'tbl_betriebsmittel.verplanen' => true,
-		]);
-
-		$this->terminateWithSuccess($this->getDataOrTerminateWithError($result));
-	}
-
-	public function storeResourcesToCalendarRelationship()
-	{
-		$calenderID = $this->input->post('kalender_id');
-		$assignedResources = $this->input->post('assignedResources');
-
-		if (!isset($calenderID)) $this->terminateWithError("Missing required parameter 'kalender_id'", 'general');
-		if (!isset($assignedResources)) $this->terminateWithError("Missing required parameter 'assignedResources'", 'general');
-
-		$result = $this->KalenderModel->loadWhere(['kalender_id' => $calenderID]);
-		if (empty($result)) $this->terminateWithError("Calendar with id '$calenderID' not found");
-
-		$calendar = $this->getDataOrTerminateWithError($result)[0];
-		
-		$calenderGroupID = $calendar->eindeutige_gruppen_id;
-		if (!isset($calenderGroupID)) $this->terminateWithError("Calendar with id '$calenderID' does not have a valid group id");
-
-		$result = $this->kalenderlib->addOperationalResourcesToKalenderEvent($calendar, $assignedResources);
-		if (isError($result))
-			$this->terminateWithError(getError($result));
-
-		$this->terminateWithSuccess(['message' => 'Resources assigned successfully']);
-	}
-}
@@ -1,231 +0,0 @@
-<?php
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-class Reservierung extends FHCAPI_Controller
-{
-	private $_ci;
-
-	/**
-	 * Object initialization
-	 */
-	public function __construct()
-	{
-		parent::__construct([
-			'addReservierung' => 'lehre/lvplan:rw',
-			'getRollen' => 'lehre/lvplan:rw',
-			'getInformation' => 'lehre/lvplan:rw',
-			'getLektor' => 'lehre/lvplan:rw',
-			'searchGroup' => 'lehre/lvplan:rw',
-		]);
-
-		$this->_ci =& get_instance();
-
-		$this->_ci->load->library('LogLib');
-		$this->_ci->load->library('form_validation');
-		$this->_ci->load->library('KalenderLib');
-
-		$this->_ci->load->model('ressource/Ort_model', 'OrtModel');
-		$this->_ci->load->model('ressource/Kalender_Event_Rolle_model', 'KalenderEventRolleModel');
-		$this->_ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
-		$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
-		$this->_ci->load->model('organisation/gruppe_model', 'GruppeModel');
-
-
-		$this->loadPhrases([
-			'ui'
-		]);
-	}
-
-	//------------------------------------------------------------------------------------------------------------------
-	// Public methods
-
-	public function getInformation()
-	{
-		$return_array = array('berechtigt' => false, 'studiengaenge' => []);
-
-		$this->_ci->OrtModel->db->join("
-					(select ort,standort_id,strasse, plz
-					FROM public.tbl_standort
-					LEFT JOIN public.tbl_adresse USING(adresse_id)
-				) standort", "standort_id", "LEFT", false);
-
-		$raeume = $this->_ci->OrtModel->loadWhere(array('aktiv' => true, 'reservieren' => true));
-		$return_array['raeume'] = hasData($raeume) ? getData($raeume) : [];
-
-		if (!$this->_ci->permissionlib->isBerechtigt('lehre/reservierung'))
-			$this->terminateWithSuccess($return_array);
-
-		$stg_berechtigungen = $this->_ci->permissionlib->getSTG_isEntitledFor('lehre/reservierung');
-		if (isEmptyArray($stg_berechtigungen))
-			$this->terminateWithSuccess($return_array);
-
-		$this->_ci->StudiengangModel->addSelect('studiengang_kz, UPPER(CONCAT(typ, kurzbz)) as kuerzel, kurzbzlang');
-		$this->_ci->StudiengangModel->addOrder('typ, kurzbz');
-		$this->_ci->StudiengangModel->db->where_in('studiengang_kz', $stg_berechtigungen);
-		$studiengaenge = $this->_ci->StudiengangModel->loadWhere(array('aktiv' => true));
-
-		if (isError($studiengaenge))
-			$this->terminateWithError(getError($studiengaenge));
-		$language = getUserLanguage() == 'German' ? 0 : 1;
-		$this->_ci->KalenderEventRolleModel->addOrder('sort');
-		$this->_ci->KalenderEventRolleModel->addSelect('rolle_kurzbz, array_to_json(bezeichnung_mehrsprachig::varchar[])->>'. $language. ' as bezeichnung');
-
-		$rollen = $this->_ci->KalenderEventRolleModel->load();
-
-		$this->_ci->StudiensemesterModel->addOrder('start', 'DESC');
-		$studiensemester = $this->_ci->StudiensemesterModel->load();
-
-		$return_array['studiengaenge'] = hasData($studiengaenge) ? getData($studiengaenge) : [];
-		$return_array['berechtigt'] = true;
-		$return_array['rollen'] = hasData($rollen) ? getData($rollen) : [];
-		$return_array['studiensemester'] = hasData($studiensemester) ? getData($studiensemester) : [];
-
-
-		$this->terminateWithSuccess($return_array);
-	}
-	public function getRaeume()
-	{
-
-		$this->_ci->OrtModel->db->join("
-					(select ort,standort_id,strasse, plz
-					FROM public.tbl_standort
-					LEFT JOIN public.tbl_adresse USING(adresse_id)
-				) standort", "standort_id", "LEFT", false);
-
-		$result = $this->_ci->OrtModel->loadWhere(array('aktiv' => true, 'reservieren' => true));
-
-		$this->terminateWithSuccess(hasData($result) ? getData($result) : []);
-	}
-
-	public function searchGroup()
-	{
-		$query = $this->input->get('query');
-		if (is_null($query))
-			$this->terminateWithError($this->_ci->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
-
-		$stg_berechtigungen = $this->_ci->permissionlib->getSTG_isEntitledFor('lehre/reservierung');
-
-		if (isEmptyArray($stg_berechtigungen))
-			$this->terminateWithSuccess([]);
-
-
-		$query_words = explode(' ', urldecode($query));
-
-		$gruppen_result = $this->_ci->GruppeModel->search($query_words);
-
-		if (isError($gruppen_result))
-			$this->terminateWithError(getError($gruppen_result), self::ERROR_TYPE_GENERAL);
-
-		$gruppen_array = array();
-
-		if (hasData($gruppen_result))
-			$gruppen_array = getData($gruppen_result);
-
-		$lehrverband_result = $this->_ci->LehrverbandModel->search($query_words);
-
-		$lehrverband_array = array();
-
-		if (isError($lehrverband_result))
-			$this->terminateWithError(getError($lehrverband_result), self::ERROR_TYPE_GENERAL);
-
-		if (hasData($lehrverband_result))
-			$lehrverband_array = getData($lehrverband_result);
-
-		$all_gruppen = array_merge($gruppen_array, $lehrverband_array);
-
-		$gefilterte_gruppen = array_filter($all_gruppen, function($gruppe) use ($stg_berechtigungen)
-		{
-			return in_array($gruppe->studiengang_kz, $stg_berechtigungen);
-		});
-
-		$this->terminateWithSuccess($gefilterte_gruppen);
-	}
-
-	public function getRollen()
-	{
-		$language = getUserLanguage() == 'German' ? 0 : 1;
-
-		$this->_ci->KalenderEventRolleModel->addOrder('sort');
-		$this->_ci->KalenderEventRolleModel->addSelect('rolle_kurzbz, array_to_json(bezeichnung_mehrsprachig::varchar[])->>'. $language. ' as bezeichnung');
-
-		$result = $this->_ci->KalenderEventRolleModel->load();
-
-		$this->terminateWithSuccess(hasData($result) ? getData($result) : []);
-	}
-	public function addReservierung()
-	{
-
-		$this->_ci->form_validation->set_data($_POST);
-		$this->_ci->form_validation->set_rules('titel',"titel","required");
-		$this->_ci->form_validation->set_rules('beschreibung',"beschreibung","required");
-		$this->_ci->form_validation->set_rules('ort_kurzbz',"ort_kurzbz","required");
-		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
-		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
-
-
-		if($this->_ci->form_validation->run() === FALSE)
-			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
-
-		$titel = $this->_ci->input->post('titel', TRUE);
-		$beschreibung = $this->_ci->input->post('beschreibung', TRUE);
-		$ort_kurzbz = $this->_ci->input->post('ort_kurzbz', TRUE);
-		$start_date = $this->_ci->input->post('start_date', TRUE);
-		$end_date = $this->_ci->input->post('end_date', TRUE);
-		$teilnehmer = $this->_ci->input->post('teilnehmer', TRUE);
-		$specialGroups = $this->_ci->input->post('specialGroups', TRUE);
-		$specialFinalGroups = $this->_ci->input->post('specialFinalGroups', TRUE);
-		$groups = $this->_ci->input->post('groups', TRUE);
-
-		if ($this->_ci->permissionlib->isBerechtigt('lehre/reservierung'))
-		{
-			if (empty($teilnehmer) || !is_array($teilnehmer))
-			{
-				$teilnehmer[] = array('uid' => getAuthUID(), 'rolle' => 'organisator');
-			}
-		}
-		else
-			$teilnehmer[] = array('uid' => getAuthUID(), 'rolle' => 'organisator');
-
-
-		$result = $this->_ci->kalenderlib->addReservierung($titel, $beschreibung, $ort_kurzbz, $start_date, $end_date, $teilnehmer, $specialFinalGroups, $specialGroups, $groups);
-
-
-		if (isError($result))
-			$this->terminateWithError(getError($result));
-
-		$this->terminateWithSuccess($result);
-	}
-
-
-	public function getLektor()
-	{
-		$query = $this->input->get('query');
-
-		if (is_null($query))
-			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
-
-		$query_words = explode(' ', $query);
-
-		$this->_ci->MitarbeiterModel->addSelect('uid, person_id, vorname, nachname');
-		$this->_ci->MitarbeiterModel->addJoin('public.tbl_benutzer', 'uid = mitarbeiter_uid');
-		$this->_ci->MitarbeiterModel->addJoin('public.tbl_person', 'person_id');
-
-		$this->_ci->MitarbeiterModel->db->where('public.tbl_benutzer.aktiv', true);
-
-		$this->_ci->MitarbeiterModel->db->group_start();
-		foreach ($query_words as $word)
-		{
-			$this->_ci->MitarbeiterModel->db->group_start();
-			$this->_ci->MitarbeiterModel->db->where('tbl_person.vorname ILIKE', "%" . $word . "%");
-			$this->_ci->MitarbeiterModel->db->or_where('tbl_person.nachname ILIKE', "%" . $word . "%");
-			$this->_ci->MitarbeiterModel->db->or_where('uid ILIKE', "%" . $word . "%");
-			$this->_ci->MitarbeiterModel->db->group_end();
-		}
-		$this->_ci->MitarbeiterModel->db->group_end();
-		$this->_ci->MitarbeiterModel->addOrder('nachname');
-		$this->_ci->MitarbeiterModel->addOrder('vorname');
-		$result = $this->_ci->MitarbeiterModel->load();
-		$this->terminateWithSuccess(hasData($result) ? getData($result) : array());
-	}
-
-}
@@ -5,58 +5,46 @@
 */
 class IssueResolver extends IssueResolver_Controller
 {
-	public function __construct()
-	{
-		parent::__construct();
-
-		// set fehler codes which can be resolved by the job, with own resolver defined
-		// structure: fehlercode => class (library) name for resolving in "resolvers" folder
-		$this->_codeLibMappings = array(
-			'CORE_ZGV_0001' => 'CORE_ZGV_0001',
-			'CORE_ZGV_0002' => 'CORE_ZGV_0002',
-			'CORE_ZGV_0003' => 'CORE_ZGV_0003',
-			'CORE_ZGV_0004' => 'CORE_ZGV_0004',
-			'CORE_ZGV_0005' => 'CORE_ZGV_0005',
-			'CORE_INOUT_0001' => 'CORE_INOUT_0001',
-			'CORE_INOUT_0002' => 'CORE_INOUT_0002',
-			'CORE_INOUT_0003' => 'CORE_INOUT_0003',
-			'CORE_INOUT_0004' => 'CORE_INOUT_0004',
-			'CORE_INOUT_0005' => 'CORE_INOUT_0005',
-			'CORE_INOUT_0006' => 'CORE_INOUT_0006',
-			'CORE_INOUT_0007' => 'CORE_INOUT_0007',
-			'CORE_INOUT_0008' => 'CORE_INOUT_0008',
-			'CORE_INOUT_0009' => 'CORE_INOUT_0009',
-			'CORE_STG_0001' => 'CORE_STG_0001',
-			'CORE_STG_0002' => 'CORE_STG_0002',
-			'CORE_STG_0003' => 'CORE_STG_0003',
-			'CORE_STG_0004' => 'CORE_STG_0004',
-			'CORE_STUDENTSTATUS_0002' => 'CORE_STUDENTSTATUS_0002',
-			'CORE_STUDENTSTATUS_0003' => 'CORE_STUDENTSTATUS_0003',
-			'CORE_STUDENTSTATUS_0004' => 'CORE_STUDENTSTATUS_0004',
-			'CORE_STUDENTSTATUS_0005' => 'CORE_STUDENTSTATUS_0005',
-			'CORE_STUDENTSTATUS_0006' => 'CORE_STUDENTSTATUS_0006',
-			'CORE_STUDENTSTATUS_0007' => 'CORE_STUDENTSTATUS_0007',
-			'CORE_STUDENTSTATUS_0008' => 'CORE_STUDENTSTATUS_0008',
-			'CORE_STUDENTSTATUS_0009' => 'CORE_STUDENTSTATUS_0009',
-			'CORE_STUDENTSTATUS_0010' => 'CORE_STUDENTSTATUS_0010',
-			'CORE_STUDENTSTATUS_0011' => 'CORE_STUDENTSTATUS_0011',
-			'CORE_STUDENTSTATUS_0012' => 'CORE_STUDENTSTATUS_0012',
-			'CORE_STUDENTSTATUS_0013' => 'CORE_STUDENTSTATUS_0013',
-			'CORE_STUDENTSTATUS_0014' => 'CORE_STUDENTSTATUS_0014',
-			'CORE_STUDENTSTATUS_0015' => 'CORE_STUDENTSTATUS_0015',
-			'CORE_STUDENTSTATUS_0016' => 'CORE_STUDENTSTATUS_0016',
-			'CORE_PERSON_0001' => 'CORE_PERSON_0001',
-			'CORE_PERSON_0002' => 'CORE_PERSON_0002',
-			'CORE_PERSON_0003' => 'CORE_PERSON_0003',
-			'CORE_PERSON_0004' => 'CORE_PERSON_0004',
-			'CORE_PERSON_0005' => 'CORE_PERSON_0005',
-			'CORE_PERSON_0006' => 'CORE_PERSON_0006'
-		);
-
-		// fehler which are resolved by the job the same way as they are produced
-		// structure: fehlercode => class (library) name for resolving in "plausichecks" folder
-		$this->_codeProducerLibMappings = array(
-			'CORE_STUDENTSTATUS_0001' => 'AbbrecherAktiv',
-		);
-	}
+	protected $_fehlercodes = array(
+		'CORE_ZGV_0001',
+		'CORE_ZGV_0002',
+		'CORE_ZGV_0003',
+		'CORE_ZGV_0004',
+		'CORE_ZGV_0005',
+		'CORE_INOUT_0001',
+		'CORE_INOUT_0002',
+		'CORE_INOUT_0003',
+		'CORE_INOUT_0004',
+		'CORE_INOUT_0005',
+		'CORE_INOUT_0006',
+		'CORE_INOUT_0007',
+		'CORE_INOUT_0008',
+		'CORE_INOUT_0009',
+		'CORE_STG_0001',
+		'CORE_STG_0002',
+		'CORE_STG_0003',
+		'CORE_STG_0004',
+		'CORE_STUDENTSTATUS_0001',
+		'CORE_STUDENTSTATUS_0002',
+		'CORE_STUDENTSTATUS_0003',
+		'CORE_STUDENTSTATUS_0004',
+		'CORE_STUDENTSTATUS_0005',
+		'CORE_STUDENTSTATUS_0006',
+		'CORE_STUDENTSTATUS_0007',
+		'CORE_STUDENTSTATUS_0008',
+		'CORE_STUDENTSTATUS_0009',
+		'CORE_STUDENTSTATUS_0010',
+		'CORE_STUDENTSTATUS_0011',
+		'CORE_STUDENTSTATUS_0012',
+		'CORE_STUDENTSTATUS_0013',
+		'CORE_STUDENTSTATUS_0014',
+		'CORE_STUDENTSTATUS_0015',
+		'CORE_STUDENTSTATUS_0016',
+		'CORE_PERSON_0001',
+		'CORE_PERSON_0002',
+		'CORE_PERSON_0003',
+		'CORE_PERSON_0004',
+		'CORE_PERSON_0005',
+		'CORE_PERSON_0006'
+	);
 }
@@ -6,7 +6,7 @@
 class PlausiIssueProducer extends PlausiIssueProducer_Controller
 {
 	private $_currentStudiensemester;
-	protected $_app = 'core';
+	protected $_apps = 'core';

 	public function __construct()
 	{
@@ -18,12 +18,12 @@ class PlausiIssueProducer extends PlausiIssueProducer_Controller
 		$this->load->model('organisation/studiensemester_model', 'StudiensemesterModel');

 		// get current Studiensemester
-		$studiensemesterRes = $this->StudiensemesterModel->getAkt();
+		$studiensemesterRes = $this->StudiensemesterModel->getAktOrNextSemester(62);
 		if (hasData($studiensemesterRes)) $this->_currentStudiensemester = getData($studiensemesterRes)[0]->studiensemester_kurzbz;

 		// set fehler which can be produced by the job
 		// structure: fehler_kurzbz => class (library) name for resolving
-		$this->_fehlerLibMappings = $this->plausicheckdefinitionlib->getFehlerLibMappings();
+		$this->_fehlerKurzbz = $this->plausicheckdefinitionlib->getFehlerKurzbz();
 	}

 	/**
@@ -1,27 +0,0 @@
-<?php
-
-if (!defined("BASEPATH")) exit("No direct script access allowed");
-
-class TempusJob extends JOB_Controller
-{
-	private $_ci;
-
-	public function __construct()
-	{
-		parent::__construct();
-
-		$this->_ci =& get_instance();
-
-		$this->_ci->load->helper('hlp_sancho_helper');
-		$this->_ci->load->library('KalenderLib');
-	}
-
-
-	public function sync()
-	{
-		$this->_ci->logInfo('Start job FHC-Core->Tempus->sync');
-		$this->_ci->kalenderlib->sync();
-		$this->_ci->logInfo('End job FHC-Core->Tempus->sync');
-	}
-
-}
@@ -1,559 +0,0 @@
-<?php
-/*
- * Job zur einmaligen Migration des Stundenplans
- *
- * Aufruf
- * php index.ci.php system/MigrateKalender
- */
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-class MigrateKalender extends Auth_Controller
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct(array(
-			'migrateStundenplan' => ['admin:rw'],
-			'migrateReservierung' => ['admin:rw'],
-			'migrateStundenplanBetriebsmittelEntries' => ['admin:rw']
-		));
-		$this->load->model('ressource/Kalender_model', 'KalenderModel');
-		$this->load->model('ressource/Kalender_Lehreinheit_model', 'KalenderLehreinheitModel');
-		$this->load->model('ressource/Kalender_Ort_model', 'KalenderOrtModel');
-		$this->load->model('ressource/Stundenplandev_Kalender_model', 'SyncModel');
-		$this->load->model('ressource/Reservierung_Kalender_model', 'SyncReservierungModel');
-		$this->load->model('ressource/Kalender_Event_Teilnehmer_model', 'KalenderEventTeilnehmerModel');
-		$this->load->model('ressource/Kalender_Event_model', 'KalenderEventModel');
-		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
-		$this->load->model('person/Benutzer_model', 'BenutzerModel');
-	}
-
-	/**
-	 * Everything has a beginning
-	 */
-	public function migrateStundenplan($von = null, $bis = null, $studiengang_kz = null)
-	{
-		$db = new DB_Model();
-
-		$stpldevsql = '
-			WITH eindeutige_stunden AS (
-				SELECT DISTINCT unr, datum, stunde
-				FROM lehre.tbl_stundenplandev
-				WHERE datum >= ? AND datum <= ?';
-
-		$params = [$von, $bis];
-
-		if (!is_null($studiengang_kz))
-		{
-			$stpldevsql .= ' AND studiengang_kz = ?';
-
-			$params[] = $studiengang_kz;
-		}
-
-		$stpldevsql .= '),
-			
-			block_keys AS (
-				SELECT
-					unr,
-					datum,
-					stunde,
-					stunde - ROW_NUMBER() OVER (PARTITION BY unr, datum ORDER BY stunde) AS block_nr
-				FROM eindeutige_stunden
-			),
-			blocks AS (
-				SELECT
-					bk.unr,
-					bk.datum,
-					bk.block_nr,
-					MIN(bk.stunde) AS stunde_von,
-					MAX(bk.stunde) AS stunde_bis,
-					MIN(sp.lehreinheit_id) AS lehreinheit_id,
-					MIN(sp.ort_kurzbz) AS ort_kurzbz,
-					array_agg(sp.stundenplandev_id ORDER BY bk.stunde) AS stundenplandev_ids,
-					MIN(sp.insertamum) AS insertamum,
-					(array_agg(sp.insertvon ORDER BY sp.insertamum ASC))[1] AS insertvon,
-					MAX(sp.updateamum) AS updateamum,
-					(array_agg(sp.updatevon ORDER BY sp.updateamum DESC))[1] AS updatevon
-				FROM block_keys bk JOIN lehre.tbl_stundenplandev sp ON sp.unr = bk.unr AND sp.datum = bk.datum AND sp.stunde = bk.stunde
-				WHERE sp.datum >= ? AND sp.datum <= ?
-				GROUP BY bk.unr, bk.datum, bk.block_nr
-			)
-			SELECT
-				b.stundenplandev_ids,
-				b.unr,
-				b.datum,
-				b.block_nr,
-				b.lehreinheit_id,
-				b.ort_kurzbz,
-				b.datum + stundevon.beginn AS von,
-				b.datum + stundebis.ende AS bis,
-				b.insertamum,
-				b.insertvon,
-				b.updateamum,
-				b.updatevon
-			FROM blocks b
-				JOIN lehre.tbl_stunde stundevon ON stundevon.stunde = b.stunde_von
-				JOIN lehre.tbl_stunde stundebis ON stundebis.stunde = b.stunde_bis
-			ORDER BY b.datum, b.unr, b.block_nr;';
-
-		array_push($params, $von, $bis);
-		$stpldev = $db->execReadOnlyQuery($stpldevsql, $params);
-
-		if (hasData($stpldev))
-		{
-			// Pruefen ob der Eintrag schon in Sync Tabelle vorhanden ist
-			// Wenn neuere Änderungen vorhanden dann Update
-			// Wenn keine Änderungen seit leztem Sync dann Ueberspringen
-			// Wenn noch nicht vorhanden neu anlegen
-			// Danach ggf pruefen welceh Eintraege in der zwischenzeit geloescht wurden und
-			// in der neuen Tabelle auch archivieren oder loeschen
-
-			$data = getData($stpldev);
-			foreach($data as $block)
-			{
-				$ids = is_array($block->stundenplandev_ids) ? $block->stundenplandev_ids : explode(',', $block->stundenplandev_ids);
-				/*$ids = array_map('intval', $ids);*/
-
-				$this->SyncModel->db->where('stundenplandev_id IN (' . implode(',', $ids) . ')');
-				$sync_result = $this->SyncModel->load();
-
-				if (!hasData($sync_result))
-				{
-					$kalender_id = $this->_insertKalender($block, 'lehreinheit');
-					if ($kalender_id)
-					{
-						$this->_insertSync($block->stundenplandev_ids, $kalender_id);
-					}
-				}
-				else
-				{
-					$syncData = getData($sync_result);
-					$kalender_id = $syncData[0]->kalender_id;
-					$last_sync = $syncData[0]->lastupdate;
-					$synced_ids = array_column($syncData, 'stundenplandev_id');
-
-					if ($block->updateamum > $last_sync)
-					{
-						$this->_updateKalender($kalender_id, $block);
-						$this->_updateSync($synced_ids, $kalender_id);
-					}
-
-					$fehlende = array_diff($block->stundenplandev_ids, $synced_ids);
-					if (!empty($fehlende))
-					{
-						$this->_insertSync($fehlende, $kalender_id);
-					}
-				}
-			}
-		}
-	}
-
-	public function migrateReservierung($von = null, $bis = null, $ort_kurzbz = null)
-	{
-		$db = new DB_Model();
-
-		$qry = "WITH eindeutige_stunden AS (
-					SELECT DISTINCT titel, beschreibung, datum, stunde
-					FROM campus.tbl_reservierung
-					WHERE datum >= ? AND datum <= ?";
-
-		$params = array($von, $bis);
-
-		if (!is_null($ort_kurzbz))
-		{
-			$qry .= " AND ort_kurzbz = ?";
-			$params[] = $ort_kurzbz;
-		}
-
-		$qry .=	"),
-					 block_keys AS (
-						 SELECT
-							 titel, beschreibung, datum, stunde,
-							 stunde - ROW_NUMBER() OVER (PARTITION BY titel, beschreibung, datum ORDER BY stunde) AS block_nr
-						 FROM eindeutige_stunden
-					 ),
-					 blocks AS (
-						 SELECT
-							 bk.titel,
-							 bk.beschreibung,
-							 bk.datum,
-							 bk.block_nr,
-							 MIN(bk.stunde) AS stunde_von,
-							 MAX(bk.stunde) AS stunde_bis,
-							 array_agg(DISTINCT r.reservierung_id::text) AS reservierung_ids,
-							 array_agg(DISTINCT r.uid) AS uids,
-							 array_agg(DISTINCT r.gruppe_kurzbz) AS gruppen_kurzbz,
-							 array_agg(DISTINCT ROW(r.semester, r.verband, r.gruppe)::text) AS svg_kombis,
-							 array_agg(DISTINCT r.ort_kurzbz) AS orte_kurzbz,
-							 MIN(r.studiengang_kz) AS studiengang_kz,
-							 MIN(r.veranstaltung_id) AS veranstaltung_id,
-							 MIN(r.reservierung_id) AS reservierung_id,
-							 MAX(r.insertamum) AS insertamum,
-							 (array_agg(r.insertvon ORDER BY r.insertamum ASC))[1] AS insertvon
-						 FROM block_keys bk
-								  JOIN campus.tbl_reservierung r
-									   ON r.titel = bk.titel AND r.beschreibung = bk.beschreibung AND r.datum = bk.datum AND r.stunde = bk.stunde
-						 WHERE r.datum >= ? AND r.datum <= ?
-						 GROUP BY bk.titel, bk.beschreibung, bk.datum, bk.block_nr
-					 )
-				SELECT
-					b.*,
-					(b.datum + s_von.beginn) AS von,
-					(b.datum + s_bis.ende)   AS bis
-				FROM blocks b
-						 JOIN lehre.tbl_stunde s_von ON s_von.stunde = b.stunde_von
-						 JOIN lehre.tbl_stunde s_bis ON s_bis.stunde = b.stunde_bis
-				ORDER BY b.reservierung_id DESC;";
-
-		array_push($params, $von, $bis);
-		$reservierung_data = $db->execReadOnlyQuery($qry, $params);
-
-
-		if (hasData($reservierung_data))
-		{
-			$data = getData($reservierung_data);
-
-			foreach($data as $block)
-			{
-
-				$ids = is_array($block->reservierung_ids) ? $block->reservierung_ids : explode(',', $block->reservierung_ids);
-
-				$this->SyncReservierungModel->db->where('reservierung_id IN (' . implode(',', $ids) . ')');
-				$sync_result = $this->SyncReservierungModel->load();
-
-				if (!hasData($sync_result))
-				{
-					$kalender_id = $this->_insertKalender($block, 'reservierung');
-					if ($kalender_id)
-					{
-						$this->_insertReservierungSync($block->reservierung_ids, $kalender_id);
-					}
-				}
-				else
-				{
-					$syncData = getData($sync_result);
-					$kalender_id = $syncData[0]->kalender_id;
-					$last_sync = $syncData[0]->lastupdate;
-					$synced_ids = array_column($syncData, 'reservierung_id');
-
-					if ($block->insertamum > $last_sync)
-					{
-						$this->_updateKalender($kalender_id, $block);
-						$this->_updateReservierungSync($synced_ids, $kalender_id);
-					}
-
-					$fehlende = array_diff($block->reservierung_ids, $synced_ids);
-					if (!empty($fehlende))
-					{
-						$this->_insertReservierungSync($fehlende, $kalender_id);
-					}
-				}
-			}
-		}
-	}
-
-	public function migrateStundenplanBetriebsmittelEntries() {
-		$this->setKalendarEntriesGroupIDs();
-		$this->setKalendarEntriesGroupIDsForChildren();
-
-		$dbModel = new DB_Model();
-
-		$deleteOldImportedTempusEntriesQuery = "DELETE from lehre.tbl_betriebsmittel_kalender WHERE quelle != 'tempus_neu' OR quelle IS NULL;";
-		$createHelperTypeQuery = "DO $$
-			BEGIN
-				IF NOT EXISTS (
-					SELECT 1
-					FROM pg_type
-					WHERE typname = 'betriebsmittel_info'
-				) THEN
-					CREATE TYPE betriebsmittel_info AS (
-						betriebsmittel_id bigint,
-						insertamum timestamp,
-						insertvon text
-					);
-				END IF;
-			END $$;";
-		
-		$query = $deleteOldImportedTempusEntriesQuery . 
-				 $createHelperTypeQuery .
-		"WITH test AS (
-			SELECT 
-				tk.eindeutige_gruppen_id AS eindeutige_gruppen_id,
-				array_agg(tk.kalender_id),
-				array_agg(
-					ROW(tsb.betriebsmittel_id, tsb.insertamum, tsb.insertvon)::betriebsmittel_info
-				) AS betriebsmittel_data
-			FROM sync.tbl_stundenplandev_kalender AS sk
-			JOIN lehre.tbl_kalender tk ON tk.kalender_id = sk.kalender_id
-			JOIN lehre.tbl_stundenplan_betriebsmittel tsb ON tsb.stundenplandev_id = sk.stundenplandev_id 
-			GROUP BY tk.eindeutige_gruppen_id 
-			)
-			INSERT INTO lehre.tbl_betriebsmittel_kalender (
-				eindeutige_kalender_gruppen_id, 
-				betriebsmittel_id,
-				insertamum,
-				insertvon
-				)
-			SELECT
-				t.eindeutige_gruppen_id,
-				bm.betriebsmittel_id,
-				bm.insertamum,
-				bm.insertvon
-			FROM test t
-			CROSS JOIN LATERAL unnest(t.betriebsmittel_data) AS bm
-			ON CONFLICT (eindeutige_kalender_gruppen_id, betriebsmittel_id) DO NOTHING;
-			;";
-
-		$dbModel->db->query($query);
-	}
-
-	private function setKalendarEntriesGroupIDs() {
-		$dbModel = new DB_Model();
-
-		$query = "UPDATE lehre.tbl_kalender
-			SET eindeutige_gruppen_id = gen_random_uuid()
-			WHERE vorgaenger_kalender_id IS NULL
-			AND eindeutige_gruppen_id IS NULL;";
-
-		$dbModel->db->query($query);
-
-	}
-
-	private function setKalendarEntriesGroupIDsForChildren() {
-		$dbModel = new DB_Model();
-
-		$query = "WITH RECURSIVE tree AS 
-			(
-				SELECT
-					kalender_id,
-					vorgaenger_kalender_id,
-					kalender_id AS root_id,
-					eindeutige_gruppen_id as root_eindeutige_gruppen_id
-				FROM lehre.tbl_kalender
-				WHERE vorgaenger_kalender_id IS NULL
-
-				UNION ALL
-
-				SELECT
-					i.kalender_id,
-					i.vorgaenger_kalender_id,
-					t.root_id,
-					t.root_eindeutige_gruppen_id 
-				FROM lehre.tbl_kalender i
-				JOIN tree t
-				ON i.vorgaenger_kalender_id = t.kalender_id
-				where i.eindeutige_gruppen_id is NULL
-			
-			)
-			UPDATE lehre.tbl_kalender k
-			SET eindeutige_gruppen_id = t.root_eindeutige_gruppen_id
-			FROM tree t
-			WHERE k.kalender_id = t.kalender_id
-			AND k.eindeutige_gruppen_id IS NULL;";
-
-		$dbModel->db->query($query);
-	}
-
-	private function _insertKalender($block, $typ)
-	{
-		$result = $this->KalenderModel->insert(
-			array (
-				'von' => $block->von,
-				'bis' => $block->bis,
-				'typ' => $typ,
-				'status_kurzbz'=> 'live',
-				'insertamum' => $block->insertamum,
-				'insertvon' => $block->insertvon,
-				'updateamum' => $block->updateamum ?? null,
-				'updatevon' => $block->updatevon ?? null
-			)
-		);
-		if(!isSuccess($result))
-			return null;
-
-		$kalender_id = getData($result);
-
-		if ($typ === 'lehreinheit')
-		{
-			$this->KalenderLehreinheitModel->insert(
-				array (
-					'kalender_id' => $kalender_id,
-					'lehreinheit_id'=> $block->lehreinheit_id
-				)
-			);
-		}
-		else if ($typ === 'reservierung')
-		{
-			$this->KalenderEventModel->insert(array(
-				'kalender_id' => $kalender_id,
-				'titel' => $block->titel,
-				'beschreibung' => $block->beschreibung
-			));
-
-
-			if ($block->insertvon)
-			{
-				$user = $this->BenutzerModel->load(array('uid' => $block->insertvon));
-
-				if (hasData($user))
-				{
-					$this->KalenderEventTeilnehmerModel->insert(array(
-						'kalender_id' => $kalender_id,
-						'uid' => getData($user)[0]->uid,
-						'rolle_kurzbz' => 'organisator'
-					));
-				}
-			}
-
-			$uids = is_array($block->uids) ? $block->uids : explode(',', $block->uids);
-			foreach ($uids as $uid)
-			{
-				$this->KalenderEventTeilnehmerModel->insert(array(
-					'kalender_id' => $kalender_id,
-					'uid' => $uid,
-					'rolle_kurzbz' => 'teilnehmer'
-				));
-			}
-
-			$semester_range = $this->StudiensemesterModel->getByDateRange($block->von, $block->bis);
-			if (isError($semester_range)) return $semester_range;
-			$studiensemester_kurzbz = getData($semester_range)[0]->studiensemester_kurzbz ?? null;
-
-			$gruppen = is_array($block->gruppen_kurzbz) ? $block->gruppen_kurzbz : explode(',', $block->gruppen_kurzbz ?? '');
-
-			foreach ($gruppen as $gruppe_kurzbz)
-			{
-				$gruppe_kurzbz = trim($gruppe_kurzbz);
-				if (!empty($gruppe_kurzbz))
-				{
-					$this->KalenderEventTeilnehmerModel->insert(array(
-						'kalender_id' => $kalender_id,
-						'gruppe_kurzbz' => $gruppe_kurzbz,
-						'studiengang_kz' => $block->studiengang_kz,
-						'studiensemester_kurzbz' => $studiensemester_kurzbz,
-						'rolle_kurzbz' => 'teilnehmer'
-					));
-				}
-			}
-
-			$rooms = is_array($block->orte_kurzbz) ? $block->orte_kurzbz : explode(',', $block->orte_kurzbz ?? '');
-			foreach ($rooms as $room_kurzbz)
-			{
-				$room_kurzbz = trim($room_kurzbz);
-				if (!empty($room_kurzbz))
-				{
-					$this->KalenderOrtModel->insert(
-						array (
-							'kalender_id' => $kalender_id,
-							'ort_kurzbz' => $room_kurzbz
-						)
-					);
-				}
-			}
-
-			foreach ($block->svg_kombis as $kombi_str)
-			{
-				$kombi_str = trim($kombi_str, '()');
-				list($sem, $verb, $grp) = explode(',', $kombi_str);
-
-				$sem = trim($sem) === '' ? null : trim($sem);
-				$verb = trim($verb) === '' ? null : trim($verb);
-				$grp = trim($grp) === '' ? null : trim($grp);
-
-				if (is_null($sem) && is_null($verb) && is_null($grp))
-					continue;
-
-				$this->KalenderEventTeilnehmerModel->insert(array(
-					'kalender_id' => $kalender_id,
-					'studiengang_kz' => $block->studiengang_kz,
-					'semester' => $sem,
-					'verband' => $verb,
-					'gruppe' => $grp,
-					'studiensemester_kurzbz' => $studiensemester_kurzbz,
-					'rolle_kurzbz' => 'teilnehmer'
-				));
-			}
-		}
-
-		return $kalender_id;
-	}
-
-	private function _insertSync($ids, $kalender_id)
-	{
-		foreach($ids as $id)
-		{
-			$this->SyncModel->insert(
-				array (
-					'stundenplandev_id' => $id,
-					'kalender_id' => $kalender_id,
-					'lastupdate' => date('Y-m-d H:i:s')
-				)
-			);
-		}
-	}
-	private function _insertReservierungSync($ids, $kalender_id)
-	{
-
-		foreach($ids as $id)
-		{
-			$this->SyncReservierungModel->insert(
-				array (
-					'reservierung_id' => $id,
-					'kalender_id' => $kalender_id,
-					'lastupdate' => date('Y-m-d H:i:s')
-				)
-			);
-		}
-	}
-
-	private function _updateKalender($kalender_id, $block)
-	{
-		$this->KalenderModel->update(
-			array (
-				'kalender_id' => $kalender_id
-			),
-			array (
-				'von' => $block->von,
-				'bis' => $block->bis,
-				'updateamum'=> $block->updateamum,
-				'updatevon' => $block->updatevon
-			)
-		);
-	}
-
-	private function _updateSync($ids, $kalender_id)
-	{
-		foreach($ids as $id)
-		{
-			$this->SyncModel->update(
-				array (
-					'stundenplandev_id' => $id,
-					'kalender_id' => $kalender_id
-				),
-				array (
-					'lastupdate' => date('Y-m-d H:i:s')
-				)
-			);
-		}
-	}
-
-	private function _updateReservierungSync($ids, $kalender_id)
-	{
-		foreach($ids as $id)
-		{
-			$this->SyncReservierungModel->update(
-				array (
-					'reservierung_id' => $id,
-					'kalender_id' => $kalender_id
-				),
-				array (
-					'lastupdate' => date('Y-m-d H:i:s')
-				)
-			);
-		}
-	}
-}
@@ -1,5 +1,6 @@
+<?php
 /**
- * Copyright (C) 2025 fhcomplete.org
+ * Copyright (C) 2024 fhcomplete.org
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
@@ -15,24 +16,42 @@
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

-export default {
-	get() {
-		return {
-			method: 'get',
-			url: 'api/frontend/v1/tempus/config/get'
-		};
-	},
-	getHeader() {
-		return {
-			method: 'get',
-			url: 'api/frontend/v1/tempus/config/getHeader'
-		};
-	},
-	set(params) {
-		return {
-			method: 'post',
-			url: 'api/frontend/v1/tempus/config/set',
-			params
-		};
+if (!defined("BASEPATH")) exit("No direct script access allowed");
+
+class CLI_Manager extends CLI_Controller
+{
+	/**
+	 *
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+
+		// Load libraries
+		$this->load->library('FehlerUpdateLib');
 	}
-};
+
+		/**
+	 *
+	 */
+	public function installAll()
+	{
+		$this->fehlerupdatelib->installAll();
+	}
+
+	/**
+	 *
+	 */
+	public function installFromCore()
+	{
+		$this->fehlerupdatelib->installFromCore();
+	}
+
+	/**
+	 *
+	 */
+	public function installFrom($extensionName)
+	{
+		$this->fehlerupdatelib->installFrom(urldecode($extensionName));
+	}
+}
@@ -0,0 +1,46 @@
+<?php
+
+if (!defined("BASEPATH")) exit("No direct script access allowed");
+
+class Manager extends Auth_Controller
+{
+	/**
+	 *
+	 */
+	public function __construct()
+	{
+		parent::__construct(
+			array(
+				'installAll' => 'admin:rw',
+				'installFromCore' => 'admin:rw'
+			)
+		);
+
+		// Load libraries
+		$this->load->library('FehlerUpdateLib');
+	}
+
+	/**
+	 *
+	 */
+	public function installAll()
+	{
+		$this->fehlerupdatelib->installAll();
+	}
+
+	/**
+	 *
+	 */
+	public function installFromCore()
+	{
+		$this->fehlerupdatelib->installFromCore();
+	}
+
+	/**
+	 *
+	 */
+	public function installFrom($fehlerConfigDirectory)
+	{
+		$this->fehlerupdatelib->installFrom($fehlerConfigDirectory);
+	}
+}
@@ -88,9 +88,11 @@ class IssuesKonfiguration extends Auth_Controller

 		// get all Fehler, optionally filtered by app
 		$params = array('fehlercode_extern' => null);
+		$this->FehlerModel->addDistinct();
 		$this->FehlerModel->addSelect('fehlercode, fehler_kurzbz, fehlertyp_kurzbz, fehlertext');
+		$this->FehlerModel->addJoin('system.tbl_fehler_app', 'fehlercode');
 		$this->FehlerModel->addOrder('fehlercode');
-		if (!isEmptyString($app)) $params['app'] = $app;
+		if (!isEmptyString($app)) $params['tbl_fehler_app.app'] = $app;
 		$fehlerRes = $this->FehlerModel->loadWhere($params);

 		if (isError($fehlerRes)) $this->terminateWithJsonError($this->p->t('fehlermonitoring', 'fehlerFehlerLaden'));
@@ -69,10 +69,7 @@ class IssuesZustaendigkeiten extends Auth_Controller
 	{
 		$app = $this->input->get('app');

-		$this->FehlerModel->addSelect('fehlercode, fehler_kurzbz, fehlertext, fehlertyp_kurzbz, app');
-		$this->FehlerModel->addOrder('fehlercode');
-
-		$fehlerRes = isset($app) ? $this->FehlerModel->loadWhere(array('app' => $app)) : $this->FehlerModel->load();
+		$fehlerRes = $this->FehlerModel->getByApps($app);

 		$this->outputJson($fehlerRes);
 	}
@@ -5,6 +5,7 @@ if (! defined('BASEPATH')) exit('No direct script access allowed');
 class Plausichecks extends Auth_Controller
 {
 	const GENERIC_ISSUE_OCCURED_TEXT = 'Issue aufgetreten';
+	const APPS = ['core', 'dvuh', 'bis'];

 	public function __construct()
 	{
@@ -16,8 +17,7 @@ class Plausichecks extends Auth_Controller
 		);

 		// Load libraries
-		$this->load->library('issues/PlausicheckProducerLib', array('app' => 'core'));
-		$this->load->library('issues/PlausicheckDefinitionLib');
+		$this->load->library('issues/PlausicheckProducerLib', array('apps' => self::APPS));
 		$this->load->library('WidgetLib');

 		// Load models
@@ -46,37 +46,31 @@ class Plausichecks extends Auth_Controller

 		// issues array for passing issue texts
 		$allIssues = array();
-		// all fehler kurzbz which are going to be checked
-		$fehlerKurzbz = !isEmptyString($fehler_kurzbz) ? array($fehler_kurzbz) : $this->plausicheckdefinitionlib->getFehlerKurzbz();
-		$fehlerLibMappings = $this->plausicheckdefinitionlib->getFehlerLibMappings();
+
+		$fehler_kurzbz_arr = isEmptyString($fehler_kurzbz) ? array_keys($this->plausicheckproducerlib->getFehlerMappings()) : [$fehler_kurzbz];
+
+		$this->FehlerModel->addOrder('fehler_kurzbz, fehlercode');
+		$this->FehlerModel->db->where_in('fehler_kurzbz', $fehler_kurzbz_arr);
+		$fehlerRes = $this->FehlerModel->load();
+
+		if (isError($fehlerRes)) $this->terminateWithJsonError(getError($fehlerRes));
+		if (!hasData($fehlerRes)) return $this->outputJsonSuccess([]);
+
+		// all fehler which are going to be checked
+		$fehlerArr = getData($fehlerRes);
+
 		// set Studiengang to null if not passed
 		if (isEmptyString($studiengang_kz)) $studiengang_kz = null;

 		// get the data returned by Plausicheck
-		foreach ($fehlerKurzbz as $fehler_kurzbz)
+		foreach ($fehlerArr as $fehler)
 		{
-			// get Text and fehlercode of the Fehler
-			$this->FehlerModel->addSelect('fehlercode, fehlertext, fehlertyp_kurzbz');
-			$fehlerRes = $this->FehlerModel->loadWhere(array('fehler_kurzbz' => $fehler_kurzbz));
-
-			if (isError($fehlerRes)) $this->terminateWithJsonError(getError($fehlerRes));
-
-			// do not check error if no data
-			if (!hasData($fehlerRes)) continue;
-
-			// get the error data
-			$fehler = getData($fehlerRes)[0];
-
 			// initialize issue array
-			$allIssues[$fehler_kurzbz] = array('fehlercode' => $fehler->fehlercode, 'data' => array());
-
-			// get library name for producing issue
-			$libName = $fehlerLibMappings[$fehler_kurzbz];
+			$allIssues[$fehler->fehler_kurzbz] = array('fehlercode' => $fehler->fehlercode, 'data' => array());

 			// execute the check
 			$plausicheckRes = $this->plausicheckproducerlib->producePlausicheckIssue(
-				$libName,
-				$fehler_kurzbz,
+				$fehler->fehler_kurzbz,
 				array(
 					'studiensemester_kurzbz' => $studiensemester_kurzbz,
 					'studiengang_kz' => $studiengang_kz
@@ -107,7 +101,7 @@ class Plausichecks extends Auth_Controller
 						{
 							// replace placeholder with params, if present
 							if (count($fehlertext_params) != substr_count($fehlerText, '%s'))
-								$this->terminateWithJsonError('Wrong number of parameters for Fehlertext, fehler_kurzbz ' . $fehler_kurzbz);
+								$this->terminateWithJsonError('Wrong number of parameters for Fehlertext, fehler_kurzbz ' . $fehler->fehler_kurzbz);

 							$fehlerText = vsprintf($fehlerText, $fehlertext_params);
 						}
@@ -118,7 +112,7 @@ class Plausichecks extends Auth_Controller
 						$issueObj = new StdClass();
 						$issueObj->fehlertext = $fehlerText;
 						$issueObj->type = $fehlerTyp;
-						$allIssues[$fehler_kurzbz]['data'][] = $issueObj;
+						$allIssues[$fehler->fehler_kurzbz]['data'][] = $issueObj;
 					}
 					else // if no issue text found, use generic text
 					{
@@ -157,7 +151,7 @@ class Plausichecks extends Auth_Controller

 		if (isError($studiengaengeRes)) show_error(getError($studiengaengeRes));

-		$fehlerKurzbz = $this->plausicheckdefinitionlib->getFehlerKurzbz();
+		$fehlerKurzbz = array_keys($this->plausicheckproducerlib->getFehlerMappings());

 		$db = new DB_Model();

@@ -168,7 +162,9 @@ class Plausichecks extends Auth_Controller
 			FROM
 				system.tbl_fehler
 			WHERE
-				fehler_kurzbz IN ?',
+				fehler_kurzbz IN ?
+			ORDER BY
+				fehler_kurzbz, fehlercode',
 			array($fehlerKurzbz)
 		);

@@ -1,10 +0,0 @@
-<?php
-interface ICollisionCheck
-{
-	public function getName();
-
-	public function check($data);
-
-	public function checkAll($kalender_ids);
-
-}
@@ -5,11 +5,8 @@
 */
 abstract class IssueResolver_Controller extends JOB_Controller
 {
-	// mappings in form fehlercode -> resolverlibrary name, fehler which have explicit resolver class defined
-	protected $_codeLibMappings = [];
-
-	// mappings in form fehlercode -> producer library name, fehler which are resolved the same way they are produced
-	protected $_codeProducerLibMappings = [];
+	// codes of fehler to be resolved
+	protected $_fehlercodes = [];

 	public function __construct()
 	{
@@ -24,25 +21,18 @@ abstract class IssueResolver_Controller extends JOB_Controller
 	 */
 	public function run()
 	{
+		// initialize librariy with provided fehlercodes
 		$this->load->library(
 			'issues/PlausicheckResolverLib',
 			[
-				'extensionName' => $this->_extensionName ?? null,
-				'codeLibMappings' => $this->_codeLibMappings,
-				'codeProducerLibMappings' => $this->_codeProducerLibMappings
+				'fehlercodes' => $this->_fehlercodes
 			]
 		);

 		$this->logInfo("Issue resolve job started");

-		// load open issues with given errorcodes
-		$openIssuesRes = $this->IssueModel->getOpenIssues(
-			array_merge(array_keys($this->_codeLibMappings), array_keys($this->_codeProducerLibMappings))
-		);
-
-		$openIssues = hasData($openIssuesRes) ? getData($openIssuesRes) : [];
-
-		$result = $this->plausicheckresolverlib->resolvePlausicheckIssues($openIssues);
+		// resolve the issues
+		$result = $this->plausicheckresolverlib->resolvePlausicheckIssues();

 		// log if error, or log info if inserted new issue
 		foreach ($result->errors as $error) $this->logError($error);
@@ -5,14 +5,23 @@
 */
 abstract class PlausiIssueProducer_Controller extends JOB_Controller
 {
-	protected $_fehlerLibMappings = [];
-	protected $_app;
+	protected $_fehlerKurzbz = [];
+	protected $_apps = [];
+
+	/**
+	 * Runs issue production job.
+	 */
+	public function run()
+	{
+		// producing issues
+		$this->producePlausicheckIssues(array());
+	}

 	protected function producePlausicheckIssues($params)
 	{
 		$this->load->library(
 			'issues/PlausicheckProducerLib',
-			['extensionName' => $this->_extensionName ?? null, 'app' => $this->_app, 'fehlerLibMappings' => $this->_fehlerLibMappings]
+			['apps' => $this->_apps, 'fehlerKurzbz' => $this->_fehlerKurzbz]
 		);

 		$this->logInfo("Plausicheck issue producer job started");
@@ -570,14 +570,3 @@ function buildDropdownEntryPrintArray($id, $name, $parameterurl, $uid=null, $ord
 		];

 }
-
-function generateUUID()
-{
-	$data = openssl_random_pseudo_bytes(16);
-
-	$data[6] = chr(ord($data[6]) & 0x0f | 0x40);
-	$data[8] = chr(ord($data[8]) & 0x3f | 0x80);
-
-	return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
-}
-
@@ -1,67 +0,0 @@
-<?php
-
-defined('BASEPATH') || exit('No direct script access allowed');
-
-use CI3_Events as Events;
-
-class CollisionChecker
-{
-	private $_checks = [];
-
-	private $_ci;
-
-	public function __construct()
-	{
-		$this->_ci =& get_instance();
-
-		$this->_ci->load->library('collision/checks/RoomCollisionCheck');
-		$this->_ci->load->library('collision/checks/LectureCollisionCheck');
-		$this->_ci->load->library('collision/checks/VerbandCollisionCheck');
-		$this->_ci->load->library('collision/checks/StudentCollisionCheck');
-		$this->_ci->load->library('collision/checks/ResourcesCollisionCheck');
-		$this->register($this->_ci->roomcollisioncheck);
-		$this->register($this->_ci->lecturecollisioncheck);
-		$this->register($this->_ci->verbandcollisioncheck);
-		$this->register($this->_ci->studentcollisioncheck);
-		$this->register($this->_ci->resourcescollisioncheck);
-		Events::trigger('collision_register', $this);
-	}
-
-	public function register(ICollisionCheck $check)
-	{
-		$this->_checks[$check->getName()] = $check;
-	}
-
-	public function run($data)
-	{
-		$errors = [];
-
-		foreach ($this->_checks as $check)
-		{
-			$result = $check->check($data);
-
-			if (!empty($result))
-			{
-				$errors = array_merge($errors, $result);
-			}
-		}
-
-		return $errors;
-	}
-
-	public function runAll($kalender_ids)
-	{
-		$results = array_fill_keys($kalender_ids, []);
-
-		foreach ($this->_checks as $check)
-		{
-			$batchResult = $check->checkAll($kalender_ids);
-			foreach ($batchResult as $kalender_id => $errors)
-			{
-				$results[$kalender_id] = array_merge($results[$kalender_id], $errors);
-			}
-		}
-
-		return $results;
-	}
-}
@@ -0,0 +1,382 @@
+<?php
+/**
+ * Copyright (C) 2025 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class FehlerUpdateLib
+{
+	// Who adds phrases into the database
+	const UPSERT_BY = 'FehlerUpdate';
+
+	const CONFIG_DIRECTORY = 'config';
+	const CONFIG_FEHLER_NAME = 'fehler';
+	const CONFIG_FEHLER_INDEX = 'fehler';
+
+	const TYPE_STRING = 'string';
+	const TYPE_ARRAY = 'array';
+
+	//~ // Array elements names
+	const FEHLERCODE = 'fehlercode';
+	const FEHLER_KURZBZ = 'fehler_kurzbz';
+	const FEHLERTEXT = 'fehlertext';
+	const FEHLERTYP_KURZBZ = 'fehlertyp_kurzbz';
+	const APP = 'app';
+	const FEHLERCODE_EXTERN = 'fehlercode_extern';
+
+	// structure of a fehler
+	// type default: string
+	const FEHLER_ATTRIBUTES = [
+		self::FEHLERCODE => ['required' => true],
+		self::FEHLER_KURZBZ  => ['required' => false],
+		self::FEHLERTEXT => ['required' => true, 'updateable' => false],
+		self::FEHLERTYP_KURZBZ => ['required' => false, 'updateable' => true],
+		self::APP => ['required' => true, 'types' => [self::TYPE_STRING, self::TYPE_ARRAY]],
+		self::FEHLERCODE_EXTERN => ['required' => false]
+	];
+
+	private $_ci; // Code igniter instance
+	private $_updateHistory = [];
+
+	/**
+	 * Loads parser library
+	 */
+	public function __construct()
+	{
+		$this->_ci =& get_instance();
+
+		// Loads EPrintfLib
+		$this->_ci->load->library('EPrintfLib');
+
+		// Loads the Models
+		$this->_ci->load->model('system/Fehler_model', 'FehlerModel');
+		$this->_ci->load->model('system/App_model', 'AppModel');
+
+		// Loads extensions lib
+		$this->_ci->load->library('ExtensionsLib');
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+
+	/**
+	 * Install all possible fehler, from core and extensions
+	 */
+	public function installAll()
+	{
+		$this->installFromCore();
+
+		// load fehler entries of extensions
+		$extensions = $this->_ci->extensionslib->getInstalledExtensions();
+
+		if (hasData($extensions))
+		{
+			$extensionArray = array();
+
+			$extensionsData = getData($extensions);
+
+			foreach ($extensionsData as $ext)
+			{
+				$this->installFrom($ext->name);
+			}
+		}
+	}
+
+	/**
+	 * Install fehler from the core
+	 */
+	public function installFromCore()
+	{
+		$this->_installFehler();
+	}
+
+	/**
+	 * Install fehler from the given path
+	 */
+	public function installFrom($extensionName)
+	{
+		if (!isset($extensionName))
+		{
+			$this->_ci->eprintflib->printError('Extension name missing!');
+			return;
+		}
+
+		$this->_installFehler(ExtensionsLib::EXTENSIONS_DIR_NAME.'/'.$extensionName.'/'.FehlerUpdateLib::CONFIG_FEHLER_NAME);
+
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Private methods
+
+	/**
+	 * Install fehler from the given directory
+	 */
+	private function _installFehler($fehlerConfigDirectory = null)
+	{
+		// check that fehler config file exists
+		$configDir = isset($fehlerConfigDirectory) ? $fehlerConfigDirectory : self::CONFIG_FEHLER_NAME;
+
+		$configFilename = APPPATH.self::CONFIG_DIRECTORY.'/'.$configDir.'.php';
+
+		if (!file_exists($configFilename))
+		{
+			return;
+		}
+
+		// Load Fehler Entries
+		$this->_ci->load->config($configDir);
+		$configArray = $this->_ci->config->item(self::CONFIG_FEHLER_INDEX);
+
+		if (!isset($configArray) || !is_array($configArray)) // check if fehler config entries could be loaded
+		{
+			$this->_ci->eprintflib->printError(
+				'Fehler config array could not be loaded, directory '.$configDir.' index '.self::CONFIG_FEHLER_INDEX
+			);
+			return;
+		}
+
+		$this->_ci->eprintflib->printInfo('------------------------------------------------------------------------------------------');
+		$this->_ci->eprintflib->printInfo('Fehler installation started, directory '.$configDir);
+
+		foreach ($configArray as $idx => $configEntry)
+		{
+			// create fehler from config entry
+			$createFehlerResult = $this->_createFehlerFromEntry($configEntry);
+
+			// write error if creation failed
+			if (isError($createFehlerResult))
+			{
+				$this->_ci->eprintflib->printError(
+					getError($createFehlerResult).', directory '.$configDir.', index '.$idx
+				);
+			}
+			elseif (hasData($createFehlerResult))
+			{
+				// add fehler to db
+				$addFehlerResult = $this->_updateFehler(getData($createFehlerResult));
+
+				if (isError($addFehlerResult))
+				{
+					$this->_ci->eprintflib->printError(
+						getError($addFehlerResult).', directory'.$configDir.', index '.$idx
+					);
+				}
+			}
+		}
+
+		$this->_ci->eprintflib->printInfo('Fehler installation ended');
+		$this->_ci->eprintflib->printInfo('------------------------------------------------------------------------------------------');
+	}
+
+	/**
+	 * Add a new fehler to the database
+	 */
+	private function _updateFehler($fehler)
+	{
+		$fehlerReferences = $fehler['references'];
+		$fehler = $fehler['fehler'];
+
+		// Checks if the fehler already exists in the database
+		$this->_ci->FehlerModel->db->where(self::FEHLERCODE.' = ', $fehler[self::FEHLERCODE]);
+		if (isset($fehler[self::FEHLER_KURZBZ]) && !isEmptyString($fehler[self::FEHLER_KURZBZ]))
+			$this->_ci->FehlerModel->db->or_where(self::FEHLER_KURZBZ.' = ', $fehler[self::FEHLER_KURZBZ]);
+		$fehlerResult = $this->_ci->FehlerModel->load();
+
+		// If an error occurred then return the error itself
+		if (isError($fehlerResult)) return $fehlerResult;
+
+		$updateRes = null;
+
+		// if fehler has been found
+		if (hasData($fehlerResult))
+		{
+			$foundFehler = getData($fehlerResult)[0];
+
+			// check if fehlercode - fehler kurzbz combination is correct
+			if ($foundFehler->{self::FEHLERCODE} != $fehler[self::FEHLERCODE]
+				|| $foundFehler->{self::FEHLER_KURZBZ} != ($fehler[self::FEHLER_KURZBZ] ?? null)
+			) {
+				return error("Wrong fehlercode - fehler kurzbz combination: ".$fehler[self::FEHLERCODE].", ".$fehler[self::FEHLER_KURZBZ]);
+			}
+
+			$this->_ci->eprintflib->printMessage(
+				"Fehler ".$fehler[self::FEHLERCODE]
+					.(isset($fehler[self::FEHLER_KURZBZ]) ? " (".$fehler[self::FEHLER_KURZBZ].")" : "")
+					." already exists in database"
+			);
+
+			$updateArr = [];
+
+			// update fehler, if needed
+			foreach (self::FEHLER_ATTRIBUTES as $attributeName => $attributeInfo)
+			{
+				// set attributes to be updated
+				if (isset($attributeInfo['updateable']) && $attributeInfo['updateable'] && $foundFehler->{$attributeName} != $fehler[$attributeName])
+				{
+					$updateArr[$attributeName] = $fehler[$attributeName];
+
+					if (isset($this->_updateHistory[$foundFehler->{self::FEHLERCODE}][$attributeName])
+						&& $this->_updateHistory[$foundFehler->{self::FEHLERCODE}][$attributeName] != $fehler[$attributeName]
+					) {
+						return error("Conflicting update values for attribute ".$attributeName.", fehler ".$foundFehler->{self::FEHLERCODE});
+					}
+					$this->_updateHistory[$foundFehler->{self::FEHLERCODE}][$attributeName] = $fehler[$attributeName];
+				}
+			}
+
+			if (!isEmptyArray($updateArr))
+			{
+				$updateRes = $this->_ci->FehlerModel->update(
+					[self::FEHLERCODE => $foundFehler->{self::FEHLERCODE}],
+					array_merge($updateArr, ['updateamum' => 'NOW()', 'updatevon' => self::UPSERT_BY])
+				);
+				if (isError($updateRes)) return $updateRes;
+
+				$this->_ci->eprintflib->printMessage(
+					"Fehler ".$fehler[self::FEHLERCODE].(isset($fehler[self::FEHLER_KURZBZ]) ? " (".$fehler[self::FEHLER_KURZBZ].")" : "")." updated"
+				);
+			}
+		}
+		else
+		{
+			// no fehler has been found
+
+			// then add the fehler to the database
+			$updateRes = $this->_ci->FehlerModel->insert(
+				array_merge($fehler, ['insertamum' => 'NOW()', 'insertvon' => self::UPSERT_BY])
+			);
+
+			// If an error occurred then return the error itself
+			if (isError($updateRes)) return $updateRes;
+
+			// Prints info about the new added fehler
+			$this->_ci->eprintflib->printMessage(
+				sprintf(
+					'A new fehler has been added into the database: '.
+					'fehlercode => %s | fehler_kurzbz => %s | fehlertyp => %s',
+					$fehler[self::FEHLERCODE],
+					$fehler[self::FEHLER_KURZBZ],
+					$fehler[self::FEHLERTYP_KURZBZ]
+				)
+			);
+		}
+
+		// handle references
+		if (isset($fehlerReferences[self::APP]))
+		{
+			$this->_ci->load->model('system/FehlerApp_model', 'FehlerAppModel');
+			$apps = $fehlerReferences[self::APP];
+
+			// load all assigned apps
+			$this->_ci->FehlerAppModel->addSelect(self::APP);
+			$fehlerAppRes = $this->_ci->FehlerAppModel->loadWhere([self::FEHLERCODE => $fehler[self::FEHLERCODE]]);
+
+			$fehlerApps = hasData($fehlerAppRes) ? array_column(getData($fehlerAppRes), self::APP) : [];
+
+			$appsToInsert = array_diff($apps, $fehlerApps);
+
+			foreach ($appsToInsert as $app)
+			{
+				// check if app exists in db
+				$fehlerAppsInsertRes = $this->_ci->FehlerAppModel->insert(
+					[self::FEHLERCODE => $fehler[self::FEHLERCODE], self::APP => $app, 'insertamum' => 'NOW()', 'insertvon' => self::UPSERT_BY]
+				);
+
+				if (isError($fehlerAppsInsertRes)) return $fehlerAppsInsertRes;
+
+				$this->_ci->eprintflib->printMessage(
+					"Added app ".$app." to fehler ".$fehler[self::FEHLERCODE]
+				);
+			}
+		}
+
+		// If here then no blocking errors occurred
+		return success();
+	}
+
+	/**
+	 * Create an array with fehler data from config entry
+	 */
+	private function _createFehlerFromEntry($configEntry)
+	{
+		$fehler = ['fehler' => [], 'references' => []];
+		foreach (self::FEHLER_ATTRIBUTES as $attributeName => $attributeInfo)
+		{
+			$required = isset($attributeInfo['required']) && $attributeInfo['required'];
+			if (!isset($configEntry[$attributeName]))
+			{
+				if ($required) return error('attribute'.$attributeName.' is missing');
+				continue;
+			}
+
+			$attributeValue = $configEntry[$attributeName];
+			$validType = false;
+			if (isset($attributeInfo['types']) && is_array($attributeInfo['types']))
+			{
+				foreach ($attributeInfo['types'] as $type)
+				{
+					switch ($type)
+					{
+						case self::TYPE_STRING:
+							if (is_string($attributeValue) || is_null($attributeValue)) $validType = true;
+							break;
+						case self::TYPE_ARRAY:
+							if (is_array($attributeValue) && !($required && isEmptyArray($attributeValue))) $validType = true;
+							break;
+						//~ default:
+							//~ if (is_string($configEntry[$attributeName]) || is_null($configEntry[$attributeName])) $validType = true;
+					}
+				}
+			}
+			else
+			{
+				$validType = is_string($attributeValue) || is_null($attributeValue);
+			}
+
+			if (!$validType)
+			{
+				return error('attribute'.$attributeName.' has invalid type');
+			}
+
+			if ($attributeName == self::APP)
+			{
+				if (is_string($attributeValue)) $attributeValue = [$attributeValue];
+
+				foreach ($attributeValue as $app)
+				{
+					// check if app exists in db
+					$this->_ci->AppModel->addSelect('1');
+					$appRes = $this->_ci->AppModel->loadWhere(['app' => $app]);
+
+					if (!hasData($appRes)) return error("App ".$app." does not exist");
+				}
+			}
+
+			if (isset($attributeInfo['types']) && is_array($attributeInfo['types']) && in_array(self::TYPE_ARRAY, $attributeInfo['types']))
+			{
+				$fehler['references'][$attributeName] = $attributeValue;
+			}
+			else
+			{
+				$fehler['fehler'][$attributeName] = $attributeValue;
+			}
+
+		}
+		return success($fehler);
+	}
+}
@@ -20,6 +20,10 @@ class IssuesLib
 	const ERRORTYPE_CODE = 'error';
 	const WARNINGTYPE_CODE = 'warning';

+	const STATUS_KURZBZ = 'status_kurzbz';
+	const VERARBEITET_AMUM = 'verarbeitetamum';
+	const VERARBEITET_VON = 'verarbeitetvon';
+
 	public function __construct($params = null)
 	{
 		$this->_ci =& get_instance();
@@ -91,12 +95,16 @@ class IssuesLib
 			return error("fehlercode_extern missing");

 		// get external fehlercode (unique for each app)
-		$this->_ci->FehlerModel->addSelect('fehlercode');
-		$fehlerRes = $this->_ci->FehlerModel->loadWhere(
-			array(
-				'fehlercode_extern' => $fehlercode_extern,
-				'app' => $this->_app
-			)
+		$fehlerRes = $this->_ci->FehlerModel->execReadOnlyQuery(
+			'
+				SELECT
+					fehlercode
+				FROM
+					system.tbl_fehler fe
+				WHERE
+					fehlercode_extern = ?
+					AND EXISTS (SELECT 1 FROM system.tbl_fehler_app WHERE fehlercode = fe.fehlercode AND app = ?)',
+			[$fehlercode_extern, $this->_app]
 		);

 		if (isError($fehlerRes))
@@ -105,8 +113,10 @@ class IssuesLib
 		// check if there is a predefined custom error for the external issue
 		if (hasData($fehlerRes))
 		{
-			$fehlerData = getData($fehlerRes)[0];
 			// if found, use the code
+			$fehlerData = getData($fehlerRes);
+			if (count($fehlerData) > 1) return error("Multiple fehlercode_extern ".$fehlercode_extern. " for app ".$this->_app);
+			$fehlerData = getData($fehlerRes)[0];
 			$fehlercode = $fehlerData->fehlercode;
 		}
 		else
@@ -128,9 +138,9 @@ class IssuesLib
 	public function setBehoben($issue_id, $user)
 	{
 		$data = array(
-			'status_kurzbz' => self::STATUS_BEHOBEN,
-			'verarbeitetvon' => $user,
-			'verarbeitetamum' => date('Y-m-d H:i:s')
+			self::STATUS_KURZBZ => self::STATUS_BEHOBEN,
+			self::VERARBEITET_VON => $user,
+			self::VERARBEITET_AMUM => date('Y-m-d H:i:s')
 		);

 		return $this->_changeIssueStatus($issue_id, $data, $user);
@@ -145,8 +155,8 @@ class IssuesLib
 	public function setInBearbeitung($issue_id, $user)
 	{
 		$data = array(
-			'status_kurzbz' => self::STATUS_IN_BEARBEITUNG,
-			'verarbeitetvon' => $user
+			self::STATUS_KURZBZ => self::STATUS_IN_BEARBEITUNG,
+			self::VERARBEITET_VON => $user
 		);

 		return $this->_changeIssueStatus($issue_id, $data, $user);
@@ -161,9 +171,9 @@ class IssuesLib
 	public function setNeu($issue_id, $user)
 	{
 		$data = array(
-			'status_kurzbz' => self::STATUS_NEU,
-			'verarbeitetvon' => null,
-			'verarbeitetamum' => null
+			self::STATUS_KURZBZ => self::STATUS_NEU,
+			self::VERARBEITET_VON => null,
+			self::VERARBEITET_AMUM => null
 		);

 		return $this->_changeIssueStatus($issue_id, $data, $user);
@@ -185,13 +195,18 @@ class IssuesLib
 			return error("Issue Id must be set correctly.");

 		// check if given status is same as existing
-		$this->_ci->IssueModel->addSelect('status_kurzbz');
+		$this->_ci->IssueModel->addSelect(self::STATUS_KURZBZ.', '.self::VERARBEITET_AMUM);
 		$currStatus = $this->_ci->IssueModel->load($issue_id);

 		if (hasData($currStatus))
 		{
-			if (getData($currStatus)[0]->status_kurzbz == $data['status_kurzbz'])
+			$currStatusData = getData($currStatus)[0];
+			// if same status set, and verarbeitet amum is not being newly set
+			if ($currStatusData->{self::STATUS_KURZBZ} == $data[self::STATUS_KURZBZ]
+				&& !(isset($data[self::VERARBEITET_AMUM]) && !isset($currStatusData->{self::VERARBEITET_AMUM}))
+			) {
 				return success("Same status already set");
+			}
 		}
 		else
 			return error("Error when getting status");
@@ -228,10 +243,10 @@ class IssuesLib
 		$inhalt_extern = null
 	) {
 		if (isEmptyString($person_id) && isEmptyString($oe_kurzbz))
-			return error("Person_id or oe_kurzbz must be set.");
+			return error("Person_id or oe_kurzbz must be set, fehlercode: $fehlercode");

 		// get fehlertextVorlage and replace it with params
-		$fehlerRes = $this->_ci->FehlerModel->load($fehlercode);
+		$fehlerRes = $this->_ci->FehlerModel->loadWhere(['fehlercode' => $fehlercode]);

 		if (hasData($fehlerRes))
 		{
@@ -241,7 +256,7 @@ class IssuesLib
 			if (!isEmptyArray($fehlertext_params))
 			{
 				if (count($fehlertext_params) != substr_count($fehlertextVorlage, '%s'))
-					return error('Wrong number of parameters for Fehlertext, fehler_kurzbz ' . $fehlercode);
+					return error('Wrong number of parameters for Fehlertext, fehlercode ' . $fehlercode);

 				$fehlertext = vsprintf($fehlertextVorlage, $fehlertext_params);
 			}
@@ -1,170 +0,0 @@
-<?php
-
-if (! defined("BASEPATH")) exit("No direct script access allowed");
-
-class KalenderNotificationLib
-{
-	private $_ci;
-	public function __construct()
-	{
-		$this->_ci =& get_instance();
-		$this->_ci->load->library('MailLib');
-		$this->_ci->load->config('tempus');
-
-	}
-
-	public function sendMails($mail_infos)
-	{
-		if (!$this->_ci->config->item('send_update_mails'))
-			return true;
-
-		$lektor_added = array();
-		$lektor_changed = array();
-		$lektor_deleted = array();
-
-		$student_added = array();
-		$student_changed = array();
-		$student_deleted = array();
-
-		foreach ($mail_infos as $info)
-		{
-			$entry = $info['entry'];
-			$new_status = $info['new_status'];
-			$notify = $info['notify'];
-
-			$old_entry = null;
-			if ($entry->vorgaenger_kalender_id)
-			{
-				$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_ort', 'tbl_kalender.kalender_id = tbl_kalender_ort.kalender_id', 'LEFT');
-				$vorgaenger = $this->_ci->KalenderModel->load(array('tbl_kalender.kalender_id' => $entry->vorgaenger_kalender_id));
-				if (hasData($vorgaenger))
-					$old_entry = getData($vorgaenger)[0];
-			}
-
-			if ($new_status === 'deleted')
-				$row = $this->_buildMailDeleted($entry);
-			else if ($old_entry)
-				$row = $this->_buildMailChanged($old_entry, $entry);
-			else
-				$row = $this->_buildMailNew($entry);
-
-			if (in_array('lektor', $notify))
-			{
-				if ($new_status === 'deleted')
-					$lektor_deleted[] = $row;
-				else if ($old_entry)
-					$lektor_changed[] = $row;
-				else
-					$lektor_added[] = $row;
-			}
-
-			if (in_array('student', $notify))
-			{
-				if ($new_status === 'deleted')
-					$student_deleted[] = $row;
-				else if ($old_entry)
-					$student_changed[] = $row;
-				else
-					$student_added[] = $row;
-			}
-		}
-
-		$lektor_entries = '';
-		$student_entries = '';
-
-		if (!empty($lektor_added))
-			$lektor_entries .= $this->_addToList($lektor_added, 'hinzugefügt') . '<hr/>';
-
-		if (!empty($lektor_changed))
-			$lektor_entries .= $this->_addToList($lektor_changed, 'geändert') . '<hr/>';
-
-		if (!empty($lektor_deleted))
-			$lektor_entries .= $this->_addToList($lektor_deleted, 'gelöscht') . '<hr/>';
-
-		if (!empty($student_added))
-			$student_entries .= $this->_addToList($student_added, 'hinzugefügt') . '<hr/>';
-
-		if (!empty($student_changed))
-			$student_entries .= $this->_addToList($student_changed, 'geändert') . '<hr/>';
-
-		if (!empty($student_deleted))
-			$student_entries .= $this->_addToList($student_deleted, 'gelöscht') . '<hr/>';
-
-		if (!empty($lektor_entries))
-			$this->_ci->maillib->send('', 'ma0048@technikum-wien.at', 'Lektor Tempus Update', $lektor_entries);
-		if (!empty($student_entries))
-			$this->_ci->maillib->send('', 'ma0048@technikum-wien.at', 'Student Tempus Update', $student_entries);
-	}
-
-	private function _addToList($entries, $status)
-	{
-		return 'Folgende Einträge wurden <b>'. $status .'</b>: <ul>' . implode('', $entries) . '</ul>';
-
-	}
-	private function _buildMailNew($entry)
-	{
-		$von = date('d.m.Y H:i', strtotime($entry->von));
-		$bis = date('H:i', strtotime($entry->bis));
-
-		return '<li>
-					<b>Kalender ID ' . ($entry->kalender_id ?? '-') . '</b>
-					<ul>
-						<li><b>Uhrzeit:</b> ' . $von . ' - ' . $bis . '</li>
-						<li><b>Ort:</b> ' . ($entry->ort_kurzbz ?? '-') . '</li>
-					</ul>
-				</li>';
-	}
-
-	private function _buildMailChanged($old_entry, $new_entry)
-	{
-		$old_von = date('d.m.Y H:i', strtotime($old_entry->von));
-		$old_bis = date('H:i', strtotime($old_entry->bis));
-		$new_von = date('d.m.Y H:i', strtotime($new_entry->von));
-		$new_bis = date('H:i', strtotime($new_entry->bis));
-
-		$old_ort = $old_entry->ort_kurzbz ?? '-';
-		$new_ort = $new_entry->ort_kurzbz ?? '-';
-
-		$uhrzeit_changed = ($old_von . $old_bis) !== ($new_von . $new_bis);
-		$ort_changed = $old_ort !== $new_ort;
-
-		$changes = '';
-
-		if ($uhrzeit_changed)
-		{
-			$changes .= '<li>
-							<b>Uhrzeit:</b>
-							<s style="color:red;">' . $old_von . ' - ' . $old_bis . '</s>
-							<span style="color:green;">' . $new_von . ' - ' . $new_bis . '</span>
-						</li>';
-		}
-
-		if ($ort_changed)
-		{
-			$changes .= '<li>
-				<b>Ort:</b>
-				<s style="color:red;">' . $old_ort . '</s>
-				<span style="color:green;">' . $new_ort . '</span>
-			</li>';
-		}
-
-		return '<li>
-					<b>Kalender ID ' . ($new_entry->kalender_id ?? '-') . '</b>
-					<ul>' . $changes . '</ul>
-				</li>';
-	}
-
-	private function _buildMailDeleted($entry)
-	{
-		$von = date('d.m.Y H:i', strtotime($entry->von));
-		$bis = date('H:i', strtotime($entry->bis));
-
-		return '<li style="color:red;">
-					<b><s>Kalender ID ' . ($entry->kalender_id ?? '-') . '</s></b>
-					<ul>
-						<li><s>' . $von . ' - ' . $bis . '</s></li>
-						<li><s>' . ($entry->ort_kurzbz ?? '-') . '</s></li>
-					</ul>
-				</li>';
-	}
-}
@@ -1,242 +0,0 @@
-<?php
-
-if (! defined("BASEPATH")) exit("No direct script access allowed");
-
-use CI3_Events as Events;
-
-class RaumvorschlagLib
-{
-	private $_ci;
-	public function __construct()
-	{
-		$this->_ci =& get_instance();
-
-		$this->_ci->load->model('ressource/Kalender_model', 'KalenderModel');
-		$this->_ci->load->model('ressource/Kalender_Lehreinheit_model', 'KalenderLehreinheitModel');
-		$this->_ci->load->model('ressource/Kalender_Event_model', 'KalenderEventModel');
-		$this->_ci->load->model('ressource/Kalender_Event_Teilnehmer_model', 'KalenderEventTeilnehmerModel');
-		$this->_ci->load->model('ressource/Kalender_Ort_model', 'KalenderOrtModel');
-		$this->_ci->load->model('education/Lehreinheit_model', 'LehreinheitModel');
-		$this->_ci->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
-		$this->_ci->load->model('education/LehreinheitMitarbeiter_model', 'LehreinheitMitarbeiterModel');
-		$this->_ci->load->model('ressource/Ort_model', 'OrtModel');
-		$this->_ci->load->model('organisation/gruppe_model', 'GruppeModel');
-		$this->_ci->load->model('organisation/Lehrverband_model', 'LehrverbandModel');
-
-		$this->_ci->load->model('education/Lehreinheitgruppe_model', 'LehreinheitgruppeModel');
-		$this->_ci->load->model('education/Lehreinheitgruppe_model', 'LehreinheitgruppeModel');
-
-		$this->_ci->load->library('CollisionChecker');
-		$this->_ci->load->library('KalenderLib');
-		$this->_ci->load->library('PhrasesLib', array('ui'));
-	}
-
-
-	public function getVorschlaege($kalender_id)
-	{
-		$event = $this->_ci->kalenderlib->getByKalenderId($kalender_id);
-		$event = $event[0];
-
-		$lektor_uids = array_column($event->lektor, 'mitarbeiter_uid');
-		$gruppen_kurzbz = array_values(array_filter(array_column($event->gruppe, 'gruppe_kurzbz')));
-
-		$lehrverband_gruppen = array_values(array_filter($event->gruppe, function($gruppe)
-		{
-			return empty($gruppe['gruppe_kurzbz']);
-		}));
-
-		$tages_events = $this->_ci->kalenderlib->getForRaumvorschlag(
-			$event->datum,
-			$event->datum,
-			$lektor_uids,
-			$gruppen_kurzbz,
-			$lehrverband_gruppen
-		);
-
-		$lektor_davor = $this->_getEventDavor($tages_events, $event->isostart, $lektor_uids, 'lektor');
-		$gruppen_davor = $this->_getEventDavor($tages_events, $event->isostart, $gruppen_kurzbz, 'gruppe');
-
-		$lektor_davor_ort = $lektor_davor ? $this->_getOrtDetails($lektor_davor->ort_kurzbz) : null;
-		$gruppen_davor_ort = $gruppen_davor ? $this->_getOrtDetails($gruppen_davor->ort_kurzbz) : null;
-
-		$kandidaten = $this->_getRaumkandidaten($event);
-		if (empty($kandidaten)) return [];
-
-
-		$ratings = [];
-		foreach ($kandidaten as $raum)
-		{
-			$rating = ['ort_kurzbz' => $raum->ort_kurzbz, 'score' => 100, 'details' => []];
-			$this->_rateLektor($rating, $raum, $lektor_davor_ort);
-			$this->_rateGruppen($rating, $raum, $gruppen_davor_ort);
-
-			Events::trigger('room_rating',
-				function & () use (&$rating) {
-					return $rating;
-				},
-				$raum,
-				$event
-			);
-			$ratings[] = $rating;
-		}
-
-		usort($ratings, function($a, $b)
-		{
-			return $b['score'] - $a['score'];
-		});
-
-		return $ratings;
-
-	}
-
-	private function _getOrtDetails($ort_kurzbz)
-	{
-		$this->_ci->OrtModel->addSelect('ort_kurzbz, stockwerk, standort_id');
-		$this->_ci->OrtModel->db->where('ort_kurzbz', $ort_kurzbz);
-		$result = $this->_ci->OrtModel->load();
-		return hasData($result) ? getData($result)[0] : null;
-	}
-
-	private function _rateLektor(&$rating, $raum, $lektor_davor_ort)
-	{
-		if (!$lektor_davor_ort) return;
-
-		if ($lektor_davor_ort->ort_kurzbz === $raum->ort_kurzbz)
-		{
-			$rating['score'] += 20;
-			$rating['details'][] = '+20 ' . $this->_ci->phraseslib->t('ui', 'lecturer_already_here');
-			return;
-		}
-
-		if ($lektor_davor_ort->standort_id !== $raum->standort_id)
-		{
-			$rating['score'] -= 20;
-			$rating['details'][] = '-20 '. $this->_ci->phraseslib->t('ui', 'lecturer_building_change');
-		}
-		elseif ($lektor_davor_ort->stockwerk !== $raum->stockwerk)
-		{
-			$diff = abs($lektor_davor_ort->stockwerk - $raum->stockwerk);
-			$rating['score'] -= $diff * 5;
-			$rating['details'][] = '-' . ($diff * 5) . ' ' . $this->_ci->phraseslib->t('ui', 'lecturer_floor_change');
-		}
-	}
-
-	private function _rateGruppen(&$rating, $raum, $gruppen_davor_ort)
-	{
-		if (!$gruppen_davor_ort) return;
-
-		if ($gruppen_davor_ort->ort_kurzbz === $raum->ort_kurzbz)
-		{
-			$rating['score'] += 10;
-			$rating['details'][] = '+10 ' . $this->_ci->phraseslib->t('ui', 'student_already_here');
-			return;
-		}
-
-		if ($gruppen_davor_ort->standort_id !== $raum->standort_id)
-		{
-			$rating['score'] -= 20;
-			$rating['details'][] = '-20 '. $this->_ci->phraseslib->t('ui', 'student_building_change');
-		}
-		elseif ($gruppen_davor_ort->stockwerk !== $raum->stockwerk)
-		{
-			$diff = abs($gruppen_davor_ort->stockwerk - $raum->stockwerk);
-			$rating['score'] -= $diff * 5;
-			$rating['details'][] = '-' . ($diff * 5) . ' '. $this->_ci->phraseslib->t('ui', 'student_floor_change');
-		}
-
-
-	}
-
-	private function _getEventDavor($events, $von, $uids, $type)
-	{
-		$kandidat = null;
-
-		foreach ($events as $event)
-		{
-			if ($event->isoend > $von)
-				continue;
-
-			//Wenn zwischen zwei Events eine 30+ Minuten Pause liegt, wird das Event davor nicht berücksichtigt
-			if ((strtotime($von) - strtotime($event->isoend)) > 30 * 60)
-				continue;
-
-			if (empty($event->ort_kurzbz))
-				continue;
-
-			if ($type === 'lektor')
-				$event_uids = array_column($event->lektor, 'mitarbeiter_uid');
-			else
-				$event_uids = array_column($event->gruppe, 'gruppe_kurzbz');
-
-			if (empty(array_intersect($event_uids, $uids)))
-				continue;
-
-			if ($kandidat === null || $event->isoend > $kandidat->isoend)
-				$kandidat = $event;
-		}
-
-		return $kandidat;
-	}
-
-	private function _getRaumkandidaten($event)
-	{
-		$lehreinheit = $this->_ci->LehreinheitModel->load($event->lehreinheit_id[0]);
-		if (!hasData($lehreinheit)) return [];
-		$lehreinheit = getData($lehreinheit)[0];
-
-		$this->_ci->KalenderModel->addSelect('tbl_kalender_ort.ort_kurzbz');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_ort', 'tbl_kalender.kalender_id = tbl_kalender_ort.kalender_id');
-		$this->_ci->KalenderModel->db->where('tbl_kalender.von <', $event->isoend);
-		$this->_ci->KalenderModel->db->where('tbl_kalender.bis >', $event->isostart);
-		$this->_ci->KalenderModel->db->where_not_in('tbl_kalender.status_kurzbz', ['deleted']);
-		$this->_ci->KalenderModel->db->where('tbl_kalender_ort.ort_kurzbz IS NOT NULL', null, false);
-		$belegte = $this->_ci->KalenderModel->load();
-
-		$belegte_orte = hasData($belegte) ? array_column(getData($belegte), 'ort_kurzbz') : [];
-
-		if (empty($lehreinheit->raumtyp))
-		{
-			$raeume = $this->_getFreieRaeume(null, $belegte_orte);
-			return hasData($raeume) ? getData($raeume) : [];
-		}
-
-		$vorschlaege = [];
-
-		$raeume = $this->_getFreieRaeume($lehreinheit->raumtyp, $belegte_orte);
-		if (hasData($raeume))
-			$vorschlaege = getData($raeume);
-
-		if (count($vorschlaege) < 5 && !empty($lehreinheit->raumtypalternativ))
-		{
-			$bereits_gefunden = array_merge($belegte_orte, array_column($vorschlaege, 'ort_kurzbz'));
-			$alternativ = $this->_getFreieRaeume($lehreinheit->raumtypalternativ, $bereits_gefunden);
-
-			if (!isError($alternativ) && hasData($alternativ))
-				$vorschlaege = array_merge($vorschlaege, getData($alternativ));
-		}
-
-		return $vorschlaege;
-	}
-
-	private function _getFreieRaeume($raumtyp, $belegte_orte)
-	{
-		$this->_ci->OrtModel->addSelect('ort_kurzbz, stockwerk, standort_id');
-		$this->_ci->OrtModel->addJoin('public.tbl_ortraumtyp', 'ort_kurzbz');
-		$this->_ci->OrtModel->db->where('raumtyp_kurzbz', $raumtyp);
-		$this->_ci->OrtModel->db->where('aktiv', true);
-		$this->_ci->OrtModel->db->where("ort_kurzbz NOT LIKE '\_%'", null, false);
-
-		if (!empty($belegte_orte))
-			$this->_ci->OrtModel->db->where_not_in('ort_kurzbz', $belegte_orte);
-		$this->_ci->OrtModel->addOrder('hierarchie, ort_kurzbz');
-
-		return $this->_ci->OrtModel->load();
-	}
-
-
-
-
-
-
-
-}
@@ -1,258 +0,0 @@
-<?php
-
-class LectureCollisionCheck implements ICollisionCheck
-{
-
-	private $_ci;
-
-	public function __construct()
-	{
-		$this->_ci =& get_instance();
-		$this->_ci->load->model('ressource/Kalender_model', 'KalenderModel');
-		$this->_ci->load->model('ressource/zeitsperre_model', 'ZeitsperreModel');
-		$this->_ci->load->library('VariableLib', array('uid' => getAuthUID()));
-		$this->_ci->load->library('PhrasesLib', array('ui'));
-
-	}
-
-	public function getName()
-	{
-		return 'lecture';
-	}
-
-	public function check($data)
-	{
-		if (!isset($data->von, $data->bis, $data->kalender_id)) return [];
-
-		if ($this->_ci->variablelib->getVar('ignore_kollision') === 'true') return [];
-
-		$uids = $this->_getUids($data->kalender_id);
-
-		if (empty($uids)) return [];
-
-		$collisions = [];
-
-		$collisions = array_merge($collisions, $this->_checkLehreinheit($uids, $data));
-		$collisions = array_merge($collisions, $this->_checkReservierung($uids, $data));
-		$collisions = array_merge($collisions, $this->_checkZeitsperre($uids, $data));
-
-		return $collisions;
-	}
-
-	public function checkAll($kalender_ids)
-	{
-		if (empty($kalender_ids)) return [];
-
-		$kollisionsfreie_user = unserialize(KOLLISIONSFREIE_USER);
-		$grouped = [];
-
-		$this->_ci->KalenderModel->addSelect('DISTINCT ON (tbl_kalender.kalender_id) tbl_kalender.kalender_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit current_kalender_le', 'current_kalender_le.kalender_id = tbl_kalender.kalender_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit current_lehreinheit', 'current_lehreinheit.lehreinheit_id = current_kalender_le.lehreinheit_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter current_lehreinheit_ma', 'current_lehreinheit_ma.lehreinheit_id = current_lehreinheit.lehreinheit_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter other_lehreinheithreinheit_ma', 'other_lehreinheithreinheit_ma.mitarbeiter_uid = current_lehreinheit_ma.mitarbeiter_uid');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit other_lehreinheit', 'other_lehreinheit.lehreinheit_id = other_lehreinheithreinheit_ma.lehreinheit_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit other_kalender_le', 'other_kalender_le.lehreinheit_id = other_lehreinheit.lehreinheit_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender other_kalender', 'other_kalender.kalender_id = other_kalender_le.kalender_id');
-
-		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id != tbl_kalender.kalender_id', null, false);
-		$this->_ci->KalenderModel->db->where('other_kalender.von < tbl_kalender.bis', null, false);
-		$this->_ci->KalenderModel->db->where('other_kalender.bis > tbl_kalender.von', null, false);
-		$this->_ci->KalenderModel->db->where_not_in('other_kalender.status_kurzbz', ['archived', 'deleted', 'to_delete']);
-		$this->_ci->KalenderModel->db->where_not_in('current_lehreinheit_ma.mitarbeiter_uid', $kollisionsfreie_user);
-		$this->_ci->KalenderModel->db->where_in('tbl_kalender.kalender_id', $kalender_ids);
-		$this->_ci->KalenderModel->db->where(
-			'other_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)',
-			null, false
-		);
-		$result = $this->_ci->KalenderModel->load();
-		if (!isError($result) && hasData($result))
-		{
-			foreach (getData($result) as $row)
-			{
-				$grouped[$row->kalender_id][] = true;
-			}
-		}
-
-		$this->_ci->KalenderModel->addSelect('DISTINCT ON (tbl_kalender.kalender_id) tbl_kalender.kalender_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit current_kalender_le', 'current_kalender_le.kalender_id = tbl_kalender.kalender_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit current_lehreinheit', 'current_lehreinheit.lehreinheit_id = current_kalender_le.lehreinheit_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter current_lehreinheit_ma', 'current_lehreinheit_ma.lehreinheit_id = current_lehreinheit.lehreinheit_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_event_teilnehmer other_t', 'other_t.uid = current_lehreinheit_ma.mitarbeiter_uid');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_event other_e', 'other_e.kalender_id = other_t.kalender_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender other_kalender', 'other_kalender.kalender_id = other_e.kalender_id');
-
-		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id != tbl_kalender.kalender_id', null, false);
-		$this->_ci->KalenderModel->db->where('other_kalender.von < tbl_kalender.bis', null, false);
-		$this->_ci->KalenderModel->db->where('other_kalender.bis > tbl_kalender.von', null, false);
-		$this->_ci->KalenderModel->db->where_not_in('other_kalender.status_kurzbz', ['archived', 'deleted', 'to_delete']);
-		$this->_ci->KalenderModel->db->where_not_in('current_lehreinheit_ma.mitarbeiter_uid', $kollisionsfreie_user);
-		$this->_ci->KalenderModel->db->where_in('tbl_kalender.kalender_id', $kalender_ids);
-		$this->_ci->KalenderModel->db->where(
-			'other_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)',
-			null, false
-		);
-		$result = $this->_ci->KalenderModel->load();
-		if (!isError($result) && hasData($result))
-		{
-			foreach (getData($result) as $row)
-			{
-				$grouped[$row->kalender_id][] = true;
-			}
-		}
-
-		$this->_ci->KalenderModel->addSelect('DISTINCT ON (tbl_kalender.kalender_id) tbl_kalender.kalender_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit current_kalender_le', 'current_kalender_le.kalender_id = tbl_kalender.kalender_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit current_lehreinheit', 'current_lehreinheit.lehreinheit_id = current_kalender_le.lehreinheit_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter current_lehreinheit_ma', 'current_lehreinheit_ma.lehreinheit_id = current_lehreinheit.lehreinheit_id');
-		$this->_ci->KalenderModel->addJoin('campus.tbl_zeitsperre z',
-			"z.mitarbeiter_uid = current_lehreinheit_ma.mitarbeiter_uid 
-			AND z.zeitsperretyp_kurzbz != 'ZVerfueg'");
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_stunde vonstunde_z', 'vonstunde_z.stunde = z.vonstunde', 'LEFT');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_stunde bisstunde_z', 'bisstunde_z.stunde = z.bisstunde', 'LEFT');
-
-		$this->_ci->KalenderModel->db->where('(z.vondatum + COALESCE(vonstunde_z.beginn, \'00:00\'))::timestamp < tbl_kalender.bis', null, false);
-		$this->_ci->KalenderModel->db->where('(z.bisdatum + COALESCE(bisstunde_z.ende, \'23:59\'))::timestamp > tbl_kalender.von', null, false);
-		$this->_ci->KalenderModel->db->where_not_in('current_lehreinheit_ma.mitarbeiter_uid', $kollisionsfreie_user);
-		$this->_ci->KalenderModel->db->where_in('tbl_kalender.kalender_id', $kalender_ids);
-		$result = $this->_ci->KalenderModel->load();
-
-
-		if (!isError($result) && hasData($result))
-		{
-			foreach (getData($result) as $row)
-			{
-				$grouped[$row->kalender_id][] = true;
-			}
-		}
-
-		return $grouped;
-	}
-
-	private function _getUids($kalender_id)
-	{
-		$kollisionsfreie_user = unserialize(KOLLISIONSFREIE_USER);
-
-		$this->_ci->KalenderModel->addDistinct('mitarbeiter_uid, tbl_kalender_event_teilnehmer.uid');
-		$this->_ci->KalenderModel->addSelect('mitarbeiter_uid, tbl_kalender_event_teilnehmer.uid');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit', 'kalender_id', 'LEFT');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit', 'lehreinheit_id', 'LEFT');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter', 'lehreinheit_id', 'LEFT');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_event', 'kalender_id', 'LEFT');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_event_teilnehmer', 'tbl_kalender_event.kalender_id = tbl_kalender_event_teilnehmer.kalender_id', 'LEFT');
-
-		$this->_ci->KalenderModel->db->group_start();
-			$this->_ci->KalenderModel->db->where_not_in('mitarbeiter_uid', $kollisionsfreie_user);
-			$this->_ci->KalenderModel->db->or_where('mitarbeiter_uid IS NULL', null, false);
-		$this->_ci->KalenderModel->db->group_end();
-
-		$result = $this->_ci->KalenderModel->loadWhere(array(
-			'tbl_kalender.kalender_id' => $kalender_id
-		));
-
-		if (isError($result) || !hasData($result)) return [];
-
-		$data = getData($result);
-		$mitarbeiter_uids = array_filter(array_column($data, 'mitarbeiter_uid'));
-		$event_teilnehmer = array_filter(array_column($data, 'uid'));
-
-		return array_unique(array_merge($mitarbeiter_uids, $event_teilnehmer));
-	}
-
-	private function _checkLehreinheit($uids, $data)
-	{
-		$kollisionsfreie_user = unserialize(KOLLISIONSFREIE_USER);
-
-		$this->_ci->KalenderModel->addDistinct('mitarbeiter_uid, tbl_kalender.von, tbl_kalender.bis');
-		$this->_ci->KalenderModel->addSelect('mitarbeiter_uid, tbl_kalender.von, tbl_kalender.bis');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit', 'kalender_id', 'LEFT');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit', 'lehreinheit_id', 'LEFT');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter', 'lehreinheit_id', 'LEFT');
-
-		$this->_ci->KalenderModel->db->where_in('mitarbeiter_uid', $uids);
-		$this->_ci->KalenderModel->db->where('tbl_kalender.kalender_id !=', $data->kalender_id);
-		$this->_ci->KalenderModel->db->where_not_in('tbl_kalender.status_kurzbz', array('archived', 'deleted', 'to_delete'));
-		$this->_ci->KalenderModel->db->where_not_in('mitarbeiter_uid', $kollisionsfreie_user);
-		$this->_ci->KalenderModel->db->where(
-			'tbl_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)',
-			null, false
-		);
-
-		$result = $this->_ci->KalenderModel->loadWhere(array(
-			'von <' => $data->bis,
-			'bis >' => $data->von,
-		));
-
-		if (isError($result) || !hasData($result)) return [];
-
-		return array_map(function($row)
-		{
-			return [
-				'message' => $this->_ci->phraseslib->t('ui', 'ma_le_kollision') . ': ' . $row->mitarbeiter_uid . ' (' . date('d.m.Y H:i', strtotime($row->von)) . ' - ' . date('d.m.Y H:i', strtotime($row->bis)) . ')',
-				'errorCode' => 'lector_collision',
-			];
-		}, getData($result));
-	}
-
-	private function _checkReservierung($uids, $data)
-	{
-		if ($this->_ci->variablelib->getVar('ignore_reservierung') === 'true') return [];
-
-		$kollisionsfreie_user = unserialize(KOLLISIONSFREIE_USER);
-
-
-		$this->_ci->KalenderModel->addDistinct('tbl_kalender_event_teilnehmer.uid, tbl_kalender.von, tbl_kalender.bis');
-		$this->_ci->KalenderModel->addSelect('tbl_kalender_event_teilnehmer.uid, tbl_kalender.von, tbl_kalender.bis');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_event', 'kalender_id', 'LEFT');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_event_teilnehmer', 'tbl_kalender_event.kalender_id = tbl_kalender_event_teilnehmer.kalender_id', 'LEFT');
-
-		$this->_ci->KalenderModel->db->where_in('tbl_kalender_event_teilnehmer.uid', $uids);
-		$this->_ci->KalenderModel->db->where('tbl_kalender.kalender_id !=', $data->kalender_id);
-		$this->_ci->KalenderModel->db->where_not_in('tbl_kalender.status_kurzbz', array('archived', 'deleted', 'to_delete'));
-		$this->_ci->KalenderModel->db->where_not_in('uid', $kollisionsfreie_user);
-		$this->_ci->KalenderModel->db->where(
-			'tbl_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)',
-			null, false
-		);
-		$result = $this->_ci->KalenderModel->loadWhere(array(
-			'von <' => $data->bis,
-			'bis >' => $data->von,
-		));
-
-		if (isError($result) || !hasData($result)) return [];
-
-		return array_map(function($row)
-		{
-			return [
-				'message' => $this->_ci->phraseslib->t('ui', 'reservierung_kollision') . ': ' . $row->uid . ' (' . date('d.m.Y H:i', strtotime($row->von)) . ' - ' . date('d.m.Y H:i', strtotime($row->bis)) . ')',
-				'errorCode' => 'reservation_collision',
-			];
-		}, getData($result));
-	}
-
-	private function _checkZeitsperre($uids, $data)
-	{
-		if ($this->_ci->variablelib->getVar('ignore_zeitsperre') === 'true') return [];
-
-		$this->_ci->ZeitsperreModel->addSelect('mitarbeiter_uid, vondatum, vonstunde_z.beginn as von_beginn, bisdatum, bisstunde_z.ende as bis_ende');
-		$this->_ci->ZeitsperreModel->addJoin('lehre.tbl_stunde vonstunde_z', 'vonstunde_z.stunde = tbl_zeitsperre.vonstunde', 'LEFT');
-		$this->_ci->ZeitsperreModel->addJoin('lehre.tbl_stunde bisstunde_z', 'bisstunde_z.stunde = tbl_zeitsperre.bisstunde', 'LEFT');
-		$this->_ci->ZeitsperreModel->db->where('zeitsperretyp_kurzbz !=', 'ZVerfueg');
-		$this->_ci->ZeitsperreModel->db->where('(tbl_zeitsperre.vondatum + COALESCE(vonstunde_z.beginn, \'00:00\'))::timestamp <', $data->bis);
-		$this->_ci->ZeitsperreModel->db->where('(tbl_zeitsperre.bisdatum + COALESCE(bisstunde_z.ende, \'23:59\'))::timestamp >', $data->von);
-
-		$this->_ci->ZeitsperreModel->db->where_in('mitarbeiter_uid', $uids);
-		$result = $this->_ci->ZeitsperreModel->load();
-
-		if (isError($result) || !hasData($result)) return [];
-
-		return array_map(function($row)
-		{
-			return [
-				'message' => $this->_ci->phraseslib->t('ui', 'ma_zeitsperre_kollision') . ': ' . $row->mitarbeiter_uid . ' (' . date('d.m.Y H:i', strtotime($row->vondatum . ' ' . $row->von_beginn)) . ' - ' . date('d.m.Y H:i', strtotime($row->bisdatum . ' ' . $row->bis_ende)) . ')',
-				'errorCode' => 'absences_collision',
-			];
-		}, getData($result));
-	}
-
-}
@@ -1,85 +0,0 @@
-<?php
-
-class ResourcesCollisionCheck implements ICollisionCheck
-{
-
-	private $_ci;
-
-	public function __construct()
-	{
-		$this->_ci =& get_instance();
-		$this->_ci->load->model('ressource/Kalender_model', 'KalenderModel');
-		$this->_ci->load->library('VariableLib', array('uid' => getAuthUID()));
-		$this->_ci->load->library('PhrasesLib', array('ui'));
-	}
-
-	public function getName()
-	{
-		return 'resources';
-	}
-
-	public function check($data)
-	{
-		if (!isset($data->betriebsmittel_ids, $data->von, $data->bis, $data->kalender_id)) return [];
-
-		if (empty($data->betriebsmittel_ids)) return [];
-
-		if ($this->_ci->variablelib->getVar('ignore_kollision') === 'true') return [];
-		if ($this->_ci->variablelib->getVar('ignore_resources_collisions') === 'true') return [];
-
-		$this->_ci->KalenderModel->addSelect('kalender_id, von, bis, bm.beschreibung AS betriebsmittel_beschreibung');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_betriebsmittel_kalender bk', 'bk.eindeutige_kalender_gruppen_id = tbl_kalender.eindeutige_gruppen_id');
-		$this->_ci->KalenderModel->addJoin('wawi.tbl_betriebsmittel bm', 'bm.betriebsmittel_id = bk.betriebsmittel_id');
-
-		$this->_ci->KalenderModel->db->where('tbl_kalender.kalender_id !=', $data->kalender_id);
-		$this->_ci->KalenderModel->db->where('tbl_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)', null, false);
-		$this->_ci->KalenderModel->db->where_not_in('tbl_kalender.status_kurzbz', ['archived', 'deleted', 'to_delete']);
-		$this->_ci->KalenderModel->db->where_in('bk.betriebsmittel_id', $data->betriebsmittel_ids);
-
-
-		$result = $this->_ci->KalenderModel->loadWhere(array(
-			'von <' => $data->bis,
-			'bis >' => $data->von,
-		));
-
-		if (isError($result)) return [];
-		if (!hasData($result)) return [];
-
-		return array_map(function($row)
-		{
-			return [
-				'errorCode' => 'resource_collision',
-				'message' => $this->_ci->phraseslib->t('ui', 'resource_collision') . ': ' . $row->betriebsmittel_beschreibung . ' (' . date('d.m.Y H:i', strtotime($row->von)) . ' - ' . date('d.m.Y H:i', strtotime($row->bis)) . ')'
-			];
-		}, getData($result));
-	}
-
-	public function checkAll($kalender_ids) 
-	{
-		if (empty($kalender_ids)) return [];
-
-		$this->_ci->KalenderModel->addSelect('DISTINCT ON (tbl_kalender.kalender_id) tbl_kalender.kalender_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_betriebsmittel_kalender current_bk', 'current_bk.eindeutige_kalender_gruppen_id = tbl_kalender.eindeutige_gruppen_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_betriebsmittel_kalender other_bk', 'other_bk.betriebsmittel_id = current_bk.betriebsmittel_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender other_kalender', 'other_kalender.eindeutige_gruppen_id = other_bk.eindeutige_kalender_gruppen_id');
-
-		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id != tbl_kalender.kalender_id', null, false);
-		$this->_ci->KalenderModel->db->where('other_kalender.von < tbl_kalender.bis', null, false);
-		$this->_ci->KalenderModel->db->where('other_kalender.bis > tbl_kalender.von', null, false);
-		$this->_ci->KalenderModel->db->where_not_in('other_kalender.status_kurzbz', ['archived', 'deleted', 'to_delete']);
-		$this->_ci->KalenderModel->db->where_in('tbl_kalender.kalender_id', $kalender_ids);
-		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)', null, false);
-
-		$result = $this->_ci->KalenderModel->load();
-
-		if (isError($result) || !hasData($result)) return [];
-
-		$grouped = [];
-		foreach (getData($result) as $row)
-		{
-			$grouped[$row->kalender_id][] = true;
-		}
-
-		return $grouped;
-	}
-}
@@ -1,80 +0,0 @@
-<?php
-
-class RoomCollisionCheck implements ICollisionCheck
-{
-
-	private $_ci;
-
-	public function __construct()
-	{
-		$this->_ci =& get_instance();
-		$this->_ci->load->model('ressource/Kalender_model', 'KalenderModel');
-		$this->_ci->load->library('VariableLib', array('uid' => getAuthUID()));
-		$this->_ci->load->library('PhrasesLib', array('ui'));
-	}
-
-	public function getName()
-	{
-		return 'room';
-	}
-
-	public function check($data)
-	{
-		if (!isset($data->ort_kurzbz, $data->von, $data->bis, $data->kalender_id)) return [];
-
-		if ($this->_ci->variablelib->getVar('ignore_kollision') === 'true') return [];
-
-		$this->_ci->KalenderModel->addSelect('kalender_id, ort_kurzbz, von, bis');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_ort', 'kalender_id');
-
-		$this->_ci->KalenderModel->db->where('tbl_kalender.kalender_id !=', $data->kalender_id);
-		$this->_ci->KalenderModel->db->where('tbl_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)', null, false);
-		$this->_ci->KalenderModel->db->where_not_in('tbl_kalender.status_kurzbz', ['archived', 'deleted', 'to_delete']);
-
-		$result = $this->_ci->KalenderModel->loadWhere(array(
-			'von <' => $data->bis,
-			'bis >' => $data->von,
-			'ort_kurzbz' => $data->ort_kurzbz,
-		));
-
-		if (isError($result)) return [];
-		if (!hasData($result)) return [];
-
-		return array_map(function($row)
-		{
-			return [
-				'errorCode' => 'room_collision',
-				'message' => $this->_ci->phraseslib->t('ui', 'raum_kollision') . ': ' . $row->ort_kurzbz . ' (' . date('d.m.Y H:i', strtotime($row->von)) . ' - ' . date('d.m.Y H:i', strtotime($row->bis)) . ')'
-			];
-		}, getData($result));
-	}
-
-	public function checkAll($kalender_ids)
-	{
-		if (empty($kalender_ids)) return [];
-
-		$this->_ci->KalenderModel->addSelect('DISTINCT ON (tbl_kalender.kalender_id) tbl_kalender.kalender_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_ort current_ort', 'current_ort.kalender_id = tbl_kalender.kalender_id');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_ort other_ort', 'other_ort.ort_kurzbz = current_ort.ort_kurzbz');
-		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender other_kalender', 'other_kalender.kalender_id = other_ort.kalender_id');
-
-		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id != tbl_kalender.kalender_id', null, false);
-		$this->_ci->KalenderModel->db->where('other_kalender.von < tbl_kalender.bis', null, false);
-		$this->_ci->KalenderModel->db->where('other_kalender.bis > tbl_kalender.von', null, false);
-		$this->_ci->KalenderModel->db->where_not_in('other_kalender.status_kurzbz', ['archived', 'deleted', 'to_delete']);
-		$this->_ci->KalenderModel->db->where_in('tbl_kalender.kalender_id', $kalender_ids);
-		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)', null, false);
-
-		$result = $this->_ci->KalenderModel->load();
-
-		if (isError($result) || !hasData($result)) return [];
-
-		$grouped = [];
-		foreach (getData($result) as $row)
-		{
-			$grouped[$row->kalender_id][] = true;
-		}
-
-		return $grouped;
-	}
-}
@@ -1,247 +0,0 @@
-<?php
-
-class StudentCollisionCheck implements ICollisionCheck
-{
-	private $_ci;
-
-	public function __construct()
-	{
-		$this->_ci =& get_instance();
-		$this->_ci->load->model('ressource/Kalender_model', 'KalenderModel');
-		$this->_ci->load->library('VariableLib', array('uid' => getAuthUID()));
-		$this->_ci->load->library('PhrasesLib', array('ui'));
-	}
-
-	public function getName()
-	{
-		return 'student';
-	}
-
-	public function check($data)
-	{
-		if (!isset($data->von, $data->bis, $data->kalender_id)) return [];
-
-		if ($this->_ci->variablelib->getVar('ignore_kollision') === 'true') return [];
-		if ($this->_ci->variablelib->getVar('kollision_student') !== 'true') return [];
-
-		$kollisionsfreie_user = unserialize(KOLLISIONSFREIE_USER);
-		$placeholders = implode(',', array_fill(0, count($kollisionsfreie_user), '?'));
-
-
-		$dbModel = new DB_Model();
-
-		$qry1 = "
-			SELECT DISTINCT tbl_benutzergruppe.uid
-			FROM lehre.tbl_kalender
-			JOIN lehre.tbl_kalender_lehreinheit USING(kalender_id)
-			JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
-			JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
-			JOIN public.tbl_gruppe
-				ON tbl_gruppe.studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
-				AND tbl_gruppe.semester = tbl_lehreinheitgruppe.semester
-				AND tbl_gruppe.gruppe_kurzbz = tbl_lehreinheitgruppe.gruppe_kurzbz
-			JOIN public.tbl_benutzergruppe ON tbl_benutzergruppe.gruppe_kurzbz = tbl_gruppe.gruppe_kurzbz
-				AND tbl_benutzergruppe.studiensemester_kurzbz = tbl_lehreinheit.studiensemester_kurzbz
-
-			WHERE tbl_kalender.kalender_id = ?
-				AND tbl_benutzergruppe.uid NOT IN ($placeholders)
-			UNION ALL
-
-			SELECT DISTINCT tbl_studentlehrverband.student_uid AS uid
-			FROM lehre.tbl_kalender
-			JOIN lehre.tbl_kalender_lehreinheit USING(kalender_id)
-			JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
-			JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
-			JOIN public.tbl_studentlehrverband
-				ON tbl_studentlehrverband.studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
-				AND tbl_studentlehrverband.semester = tbl_lehreinheitgruppe.semester
-				AND tbl_studentlehrverband.studiensemester_kurzbz = tbl_lehreinheit.studiensemester_kurzbz
-				AND (tbl_lehreinheitgruppe.verband = tbl_studentlehrverband.verband OR tbl_lehreinheitgruppe.verband IS NULL OR btrim(tbl_lehreinheitgruppe.verband::text) = '' OR tbl_studentlehrverband.verband IS NULL)
-				AND (tbl_lehreinheitgruppe.gruppe = tbl_studentlehrverband.gruppe OR tbl_lehreinheitgruppe.gruppe IS NULL OR btrim(tbl_lehreinheitgruppe.gruppe::text) = '' OR tbl_studentlehrverband.gruppe IS NULL)
-			WHERE tbl_kalender.kalender_id = ?
-				AND tbl_studentlehrverband.student_uid NOT IN ($placeholders)
-
-		";
-
-		$result1 = $dbModel->execReadOnlyQuery($qry1, array_merge(
-			[$data->kalender_id],
-			$kollisionsfreie_user,
-			[$data->kalender_id],
-			$kollisionsfreie_user
-		));
-
-		if (isError($result1) || !hasData($result1)) return [];
-
-		$curUids = array_flip(array_column(getData($result1), 'uid'));
-
-		$qry2 = "
-			SELECT DISTINCT tbl_kalender.kalender_id, tbl_kalender.von, tbl_kalender.bis, tbl_benutzergruppe.uid
-			FROM lehre.tbl_kalender
-			JOIN lehre.tbl_kalender_lehreinheit ON tbl_kalender_lehreinheit.kalender_id = tbl_kalender.kalender_id
-			JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
-			JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
-			JOIN public.tbl_gruppe
-				ON tbl_gruppe.studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
-				AND tbl_gruppe.semester = tbl_lehreinheitgruppe.semester
-				AND tbl_gruppe.gruppe_kurzbz = tbl_lehreinheitgruppe.gruppe_kurzbz
-			JOIN public.tbl_benutzergruppe ON tbl_benutzergruppe.gruppe_kurzbz = tbl_gruppe.gruppe_kurzbz
-				AND tbl_benutzergruppe.studiensemester_kurzbz = tbl_lehreinheit.studiensemester_kurzbz
-			WHERE tbl_kalender.von < ?
-				AND tbl_kalender.bis > ?
-				AND tbl_kalender.kalender_id != ?
-				AND tbl_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete')
-				AND tbl_benutzergruppe.uid NOT IN ($placeholders)
-				AND NOT EXISTS (
-					SELECT 1 FROM lehre.tbl_kalender vorgaenger
-					WHERE vorgaenger.vorgaenger_kalender_id = tbl_kalender.kalender_id
-				)
-
-			UNION ALL
-			
-			SELECT DISTINCT tbl_kalender.kalender_id, tbl_kalender.von, tbl_kalender.bis, tbl_studentlehrverband.student_uid AS uid
-			FROM lehre.tbl_kalender
-			JOIN lehre.tbl_kalender_lehreinheit ON tbl_kalender_lehreinheit.kalender_id = tbl_kalender.kalender_id
-			JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
-			JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
-			JOIN public.tbl_studentlehrverband
-				ON tbl_studentlehrverband.studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
-				AND tbl_studentlehrverband.semester = tbl_lehreinheitgruppe.semester
-				AND tbl_studentlehrverband.studiensemester_kurzbz = tbl_lehreinheit.studiensemester_kurzbz
-				AND (tbl_lehreinheitgruppe.verband = tbl_studentlehrverband.verband OR tbl_lehreinheitgruppe.verband IS NULL OR btrim(tbl_lehreinheitgruppe.verband::text) = '' OR tbl_studentlehrverband.verband IS NULL)
-				AND (tbl_lehreinheitgruppe.gruppe = tbl_studentlehrverband.gruppe OR tbl_lehreinheitgruppe.gruppe IS NULL OR btrim(tbl_lehreinheitgruppe.gruppe::text) = '' OR tbl_studentlehrverband.gruppe IS NULL)
-			WHERE tbl_kalender.von < ?
-				AND tbl_kalender.bis > ?
-				AND tbl_kalender.kalender_id != ?
-				AND tbl_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete')
-				AND tbl_studentlehrverband.student_uid NOT IN ($placeholders)
-				AND NOT EXISTS (
-					SELECT 1 FROM lehre.tbl_kalender vorgaenger
-					WHERE vorgaenger.vorgaenger_kalender_id = tbl_kalender.kalender_id
-				)
-		";
-
-		$result2 = $dbModel->execReadOnlyQuery($qry2, array_merge(
-			[$data->bis, $data->von, $data->kalender_id],
-			$kollisionsfreie_user,
-			[$data->bis, $data->von, $data->kalender_id],
-			$kollisionsfreie_user
-		));
-
-		if (isError($result2) || !hasData($result2)) return [];
-
-		$conflicts = [];
-		foreach (getData($result2) as $row)
-		{
-			if (isset($curUids[$row->uid]))
-			{
-				$conflicts[] = [
-					'message' =>
-						$this->_ci->phraseslib->t('ui', 'student_kollision')
-						. ': ' . $row->uid
-						. ' (' . date('d.m.Y H:i', strtotime($row->von))
-						. ' - ' . date('d.m.Y H:i', strtotime($row->bis)) . ')',
-					'errorCode' => 'student_collision'
-				];
-
-			}
-		}
-
-		return $conflicts;
-	}
-
-	public function checkAll($kalender_ids)
-	{
-
-		if (empty($kalender_ids)) return [];
-
-		if ($this->_ci->variablelib->getVar('kollision_student') !== 'true') return [];
-
-		$dbModel = new DB_Model();
-		$placeholders = implode(',', array_fill(0, count($kalender_ids), '?'));
-
-		$sql = "
-			SELECT DISTINCT current_kalender.kalender_id, current_benutzergruppe.uid
-			FROM lehre.tbl_kalender current_kalender
-			JOIN lehre.tbl_kalender_lehreinheit current_kalender_le ON current_kalender_le.kalender_id = current_kalender.kalender_id
-			JOIN lehre.tbl_lehreinheit current_lehreinheit ON current_lehreinheit.lehreinheit_id = current_kalender_le.lehreinheit_id
-			JOIN lehre.tbl_lehreinheitgruppe current_lehreinheitgruppe ON current_lehreinheitgruppe.lehreinheit_id = current_lehreinheit.lehreinheit_id
-			JOIN public.tbl_gruppe current_gruppe
-				ON current_gruppe.studiengang_kz = current_lehreinheitgruppe.studiengang_kz
-				AND current_gruppe.semester = current_lehreinheitgruppe.semester
-				AND current_gruppe.gruppe_kurzbz = current_lehreinheitgruppe.gruppe_kurzbz
-			JOIN public.tbl_benutzergruppe current_benutzergruppe ON current_benutzergruppe.gruppe_kurzbz = current_gruppe.gruppe_kurzbz
-					AND current_benutzergruppe.studiensemester_kurzbz = current_lehreinheit.studiensemester_kurzbz
-			JOIN lehre.tbl_kalender other_kalender
-				ON other_kalender.kalender_id != current_kalender.kalender_id
-				AND other_kalender.von < current_kalender.bis
-				AND other_kalender.bis > current_kalender.von
-				AND other_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete')
-				AND NOT EXISTS (
-					SELECT 1 FROM lehre.tbl_kalender vorgaenger
-					WHERE vorgaenger.vorgaenger_kalender_id = other_kalender.kalender_id
-				)
-			JOIN lehre.tbl_kalender_lehreinheit other_kalender_le ON other_kalender_le.kalender_id = other_kalender.kalender_id
-			JOIN lehre.tbl_lehreinheit other_lehreinheit ON other_lehreinheit.lehreinheit_id = other_kalender_le.lehreinheit_id
-			JOIN lehre.tbl_lehreinheitgruppe other_lehreinheitgruppe ON other_lehreinheitgruppe.lehreinheit_id = other_lehreinheit.lehreinheit_id
-			JOIN public.tbl_gruppe other_gruppe
-				ON other_gruppe.studiengang_kz = other_lehreinheitgruppe.studiengang_kz
-				AND other_gruppe.semester = other_lehreinheitgruppe.semester
-				AND other_gruppe.gruppe_kurzbz = other_lehreinheitgruppe.gruppe_kurzbz
-			JOIN public.tbl_benutzergruppe other_benutzergruppe
-				ON other_benutzergruppe.gruppe_kurzbz = other_gruppe.gruppe_kurzbz
-				AND other_benutzergruppe.uid = current_benutzergruppe.uid
-				AND other_benutzergruppe.studiensemester_kurzbz = other_lehreinheit.studiensemester_kurzbz
-
-
-			WHERE current_kalender.kalender_id IN ($placeholders)
-
-			UNION ALL
-
-			SELECT DISTINCT current_kalender.kalender_id, current_studentlehrverband.student_uid AS uid
-			FROM lehre.tbl_kalender current_kalender
-			JOIN lehre.tbl_kalender_lehreinheit current_kalender_le ON current_kalender_le.kalender_id = current_kalender.kalender_id
-			JOIN lehre.tbl_lehreinheit current_lehreinheit ON current_lehreinheit.lehreinheit_id = current_kalender_le.lehreinheit_id
-			JOIN lehre.tbl_lehreinheitgruppe current_lehreinheitgruppe ON current_lehreinheitgruppe.lehreinheit_id = current_lehreinheit.lehreinheit_id
-			JOIN public.tbl_studentlehrverband current_studentlehrverband
-				ON current_studentlehrverband.studiengang_kz = current_lehreinheitgruppe.studiengang_kz
-				AND current_studentlehrverband.semester = current_lehreinheitgruppe.semester
-				AND current_studentlehrverband.studiensemester_kurzbz = current_lehreinheit.studiensemester_kurzbz
-				AND (current_lehreinheitgruppe.verband = current_studentlehrverband.verband OR current_lehreinheitgruppe.verband IS NULL OR btrim(current_lehreinheitgruppe.verband::text) = '' OR current_studentlehrverband.verband IS NULL)
-				AND (current_lehreinheitgruppe.gruppe = current_studentlehrverband.gruppe OR current_lehreinheitgruppe.gruppe IS NULL OR btrim(current_lehreinheitgruppe.gruppe::text) = '' OR current_studentlehrverband.gruppe IS NULL)
-
-			JOIN lehre.tbl_kalender other_kalender
-				ON other_kalender.kalender_id != current_kalender.kalender_id
-				AND other_kalender.von < current_kalender.bis
-				AND other_kalender.bis > current_kalender.von
-				AND other_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete')
-				AND NOT EXISTS (
-					SELECT 1 FROM lehre.tbl_kalender vorgaenger
-					WHERE vorgaenger.vorgaenger_kalender_id = other_kalender.kalender_id
-				)
-			JOIN lehre.tbl_kalender_lehreinheit other_kalender_le ON other_kalender_le.kalender_id = other_kalender.kalender_id
-			JOIN lehre.tbl_lehreinheit other_lehreinheit ON other_lehreinheit.lehreinheit_id = other_kalender_le.lehreinheit_id
-			JOIN lehre.tbl_lehreinheitgruppe other_lehreinheitgruppe ON other_lehreinheitgruppe.lehreinheit_id = other_lehreinheit.lehreinheit_id
-			JOIN public.tbl_studentlehrverband other_slv
-				ON other_slv.studiengang_kz = other_lehreinheitgruppe.studiengang_kz
-				AND other_slv.semester = other_lehreinheitgruppe.semester
-				AND other_slv.studiensemester_kurzbz = other_lehreinheit.studiensemester_kurzbz
-				AND other_slv.student_uid = current_studentlehrverband.student_uid
-				AND (other_lehreinheitgruppe.verband = other_slv.verband OR other_lehreinheitgruppe.verband IS NULL OR btrim(other_lehreinheitgruppe.verband::text) = '' OR other_slv.verband IS NULL)
-				AND (other_lehreinheitgruppe.gruppe = other_slv.gruppe OR other_lehreinheitgruppe.gruppe IS NULL OR btrim(other_lehreinheitgruppe.gruppe::text) = '' OR other_slv.gruppe IS NULL)
-
-			WHERE current_kalender.kalender_id IN ($placeholders)
-		";
-
-		$result = $dbModel->execReadOnlyQuery($sql, array_merge($kalender_ids, $kalender_ids));
-
-		if (isError($result) || !hasData($result)) return [];
-
-		$grouped = [];
-		foreach (getData($result) as $row)
-		{
-			$grouped[$row->kalender_id][] = true;
-		}
-
-		return $grouped;
-	}
-}
@@ -1,362 +0,0 @@
-<?php
-
-class VerbandCollisionCheck implements ICollisionCheck
-{
-
-	private $_ci;
-
-	public function __construct()
-	{
-		$this->_ci =& get_instance();
-		$this->_ci->load->model('ressource/Kalender_model', 'KalenderModel');
-		$this->_ci->load->library('VariableLib', array('uid' => getAuthUID()));
-		$this->_ci->load->library('PhrasesLib', array('ui'));
-
-	}
-
-	public function getName()
-	{
-		return 'verband';
-	}
-
-	public function check($data)
-	{
-		if (!isset($data->von, $data->bis, $data->kalender_id)) return [];
-
-		if ($this->_ci->variablelib->getVar('ignore_kollision') === 'true') return [];
-
-		$kollision_student = $this->_ci->variablelib->getVar('kollision_student') === 'false';
-		$kollision_reservierung = $this->_ci->variablelib->getVar('ignore_reservierung') === 'false';
-
-		if (!$kollision_student && !$kollision_reservierung) return [];
-
-		$dbModel = new DB_Model();
-		$collisions = [];
-
-		if ($kollision_student)
-		{
-			$union_event = "";
-
-			if ($kollision_reservierung)
-			{
-				$union_event = "
-					UNION
-					SELECT tbl_kalender_event_teilnehmer.studiengang_kz, tbl_kalender_event_teilnehmer.semester, tbl_kalender_event_teilnehmer.verband, tbl_kalender_event_teilnehmer.gruppe, tbl_kalender_event_teilnehmer.gruppe_kurzbz, tbl_kalender_event_teilnehmer.kalender_id
-					FROM lehre.tbl_kalender_event_teilnehmer
-					WHERE tbl_kalender_event_teilnehmer.rolle_kurzbz = 'teilnehmer'
-				";
-			}
-
-			$sql_gruppen = "
-				SELECT
-					other_kalender.von,
-					other_kalender.bis,
-					COALESCE(
-						other_lehreinheitguppe.gruppe_kurzbz,
-						UPPER(stg.typ::text || stg.kurzbz::text) || '-' || other_lehreinheitguppe.semester ||
-						COALESCE(other_lehreinheitguppe.verband::text, '') ||
-						COALESCE(other_lehreinheitguppe.gruppe::text, '')
-					) AS gruppenname
-				FROM lehre.tbl_kalender current_kalender
-
-				JOIN (
-					SELECT tbl_lehreinheitgruppe.studiengang_kz, tbl_lehreinheitgruppe.semester, tbl_lehreinheitgruppe.verband, tbl_lehreinheitgruppe.gruppe,
-						tbl_lehreinheitgruppe.gruppe_kurzbz, tbl_kalender_lehreinheit.kalender_id
-					FROM lehre.tbl_kalender_lehreinheit
-					JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
-					JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
-					". $union_event ."
-				) current_lehreinheitguppe ON current_lehreinheitguppe.kalender_id = current_kalender.kalender_id
-
-				LEFT JOIN public.tbl_gruppe current_gruppe
-					ON current_gruppe.gruppe_kurzbz = current_lehreinheitguppe.gruppe_kurzbz
-
-				JOIN lehre.tbl_kalender other_kalender
-					ON other_kalender.kalender_id != current_kalender.kalender_id
-					AND other_kalender.von < ?
-					AND other_kalender.bis > ?
-
-				JOIN (
-					SELECT tbl_lehreinheitgruppe.studiengang_kz, tbl_lehreinheitgruppe.semester, tbl_lehreinheitgruppe.verband, tbl_lehreinheitgruppe.gruppe,
-						tbl_lehreinheitgruppe.gruppe_kurzbz, tbl_kalender_lehreinheit.kalender_id
-					FROM lehre.tbl_kalender_lehreinheit
-					JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
-					JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
-					". $union_event ."
-				) other_lehreinheitguppe ON other_lehreinheitguppe.kalender_id = other_kalender.kalender_id
-
-				LEFT JOIN public.tbl_gruppe other_gruppe
-					ON other_gruppe.gruppe_kurzbz = other_lehreinheitguppe.gruppe_kurzbz
-
-				LEFT JOIN public.tbl_studiengang stg
-					ON stg.studiengang_kz = other_lehreinheitguppe.studiengang_kz
-
-				WHERE current_kalender.kalender_id = ?
-				AND other_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete')
-				AND current_lehreinheitguppe.studiengang_kz = other_lehreinheitguppe.studiengang_kz
-				AND current_lehreinheitguppe.semester = other_lehreinheitguppe.semester
-				AND (
-					(
-						current_lehreinheitguppe.gruppe_kurzbz IS NULL
-						AND other_lehreinheitguppe.gruppe_kurzbz IS NULL
-						AND (
-							current_lehreinheitguppe.verband IS NULL
-							OR (
-								current_lehreinheitguppe.verband = other_lehreinheitguppe.verband
-								AND (current_lehreinheitguppe.gruppe IS NULL OR other_lehreinheitguppe.gruppe IS NULL OR current_lehreinheitguppe.gruppe = other_lehreinheitguppe.gruppe)
-							)
-						)
-					)
-					OR
-					(
-						current_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
-						AND other_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
-						AND current_gruppe.direktinskription IS NOT TRUE
-						AND other_gruppe.direktinskription IS NOT TRUE
-					)
-					OR
-					(
-						(
-							current_lehreinheitguppe.gruppe_kurzbz IS NULL
-							AND other_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
-							AND other_gruppe.direktinskription IS NOT TRUE
-						)
-						OR
-						(
-							current_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
-							AND other_lehreinheitguppe.gruppe_kurzbz IS NULL
-							AND current_gruppe.direktinskription IS NOT TRUE
-						)
-					)
-				)
-				AND other_kalender.kalender_id NOT IN (
-					SELECT vorgaenger_kalender_id
-					FROM lehre.tbl_kalender
-					WHERE vorgaenger_kalender_id IS NOT NULL
-				)
-			";
-
-			$result = $dbModel->execReadOnlyQuery($sql_gruppen, [
-				$data->bis,
-				$data->von,
-				$data->kalender_id,
-			]);
-
-			if (!isError($result) && hasData($result))
-			{
-				foreach (getData($result) as $row)
-				{
-					$collisions[] = [
-						'message' => $this->_ci->phraseslib->t('ui', 'verband_kollision') . ': ' . $row->gruppenname . ' (' . date('d.m.Y H:i', strtotime($row->von)) . ' - ' . date('d.m.Y H:i', strtotime($row->bis)) . ')',
-						'errorCode' => 'verband_collision',
-					];
-				}
-			}
-		}
-
-		if ($kollision_reservierung && !$kollision_student)
-		{
-			$sql_reservierung = "
-				SELECT
-					other_kalender.von,
-					other_kalender.bis,
-					COALESCE(
-						other_event_teilnehmer.gruppe_kurzbz,
-						UPPER(stg.typ::text || stg.kurzbz::text) || '-' || other_event_teilnehmer.semester ||
-						COALESCE(other_event_teilnehmer.verband::text, '') ||
-						COALESCE(other_event_teilnehmer.gruppe::text, '')
-					) AS gruppenname
-				FROM lehre.tbl_kalender_event_teilnehmer current_event_teilnehmer
-				LEFT JOIN public.tbl_gruppe current_gruppe
-					ON current_gruppe.gruppe_kurzbz = current_event_teilnehmer.gruppe_kurzbz
-
-				JOIN lehre.tbl_kalender other_kalender
-					ON other_kalender.kalender_id != ?
-					AND other_kalender.von < ?
-					AND other_kalender.bis > ?
-
-				JOIN lehre.tbl_kalender_event_teilnehmer other_event_teilnehmer
-					ON other_event_teilnehmer.kalender_id = other_kalender.kalender_id
-					AND other_event_teilnehmer.rolle_kurzbz = 'teilnehmer'
-
-				LEFT JOIN public.tbl_gruppe other_gruppe
-					ON other_gruppe.gruppe_kurzbz = other_event_teilnehmer.gruppe_kurzbz
-
-				LEFT JOIN public.tbl_studiengang stg
-					ON stg.studiengang_kz = other_event_teilnehmer.studiengang_kz
-
-				WHERE current_event_teilnehmer.kalender_id = ?
-				AND current_event_teilnehmer.rolle_kurzbz = 'teilnehmer'
-				AND other_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete')
-				AND current_event_teilnehmer.studiengang_kz = other_event_teilnehmer.studiengang_kz
-				AND current_event_teilnehmer.semester = other_event_teilnehmer.semester
-				AND (
-					(
-						current_event_teilnehmer.gruppe_kurzbz IS NULL
-						AND other_event_teilnehmer.gruppe_kurzbz IS NULL
-						AND (
-							current_event_teilnehmer.verband IS NULL
-							OR (
-								current_event_teilnehmer.verband = other_event_teilnehmer.verband
-								AND (current_event_teilnehmer.gruppe IS NULL OR other_event_teilnehmer.gruppe IS NULL OR current_event_teilnehmer.gruppe = other_event_teilnehmer.gruppe)
-							)
-						)
-					)
-					OR
-					(
-						current_event_teilnehmer.gruppe_kurzbz IS NOT NULL
-						AND other_event_teilnehmer.gruppe_kurzbz IS NOT NULL
-						AND current_gruppe.direktinskription IS NOT TRUE
-						AND other_gruppe.direktinskription IS NOT TRUE
-					)
-					OR
-					(
-						(
-							current_event_teilnehmer.gruppe_kurzbz IS NULL
-							AND other_event_teilnehmer.gruppe_kurzbz IS NOT NULL
-							AND other_gruppe.direktinskription IS NOT TRUE
-						)
-						OR
-						(
-							current_event_teilnehmer.gruppe_kurzbz IS NOT NULL
-							AND other_event_teilnehmer.gruppe_kurzbz IS NULL
-							AND current_gruppe.direktinskription IS NOT TRUE
-						)
-					)
-				)
-				AND other_kalender.kalender_id NOT IN (
-					SELECT vorgaenger_kalender_id
-					FROM lehre.tbl_kalender
-					WHERE vorgaenger_kalender_id IS NOT NULL
-				)
-			";
-
-			$result = $dbModel->execReadOnlyQuery($sql_reservierung, [
-				$data->kalender_id,
-				$data->bis,
-				$data->von,
-				$data->kalender_id,
-			]);
-
-			if (!isError($result) && hasData($result))
-			{
-				foreach (getData($result) as $row)
-				{
-					$collisions[] = [
-						'errorCode' => 'reservation_collision',
-						'message' => $this->_ci->phraseslib->t('ui', 'reservierung_kollision') . ': ' . $row->gruppenname . ' (' . date('d.m.Y H:i', strtotime($row->von)) . ' - ' . date('d.m.Y H:i', strtotime($row->bis)) . ')'
-					];
-				}
-			}
-		}
-
-		return $collisions;
-	}
-
-	public function checkAll($kalender_ids)
-	{
-		if (empty($kalender_ids)) return [];
-
-		$dbModel = new DB_Model();
-
-		$placeholders = implode(',', array_fill(0, count($kalender_ids), '?'));
-
-		$sql = "
-			SELECT DISTINCT ON (current_kalender.kalender_id) current_kalender.kalender_id
-			FROM lehre.tbl_kalender current_kalender
-	
-			JOIN (
-				SELECT tbl_lehreinheitgruppe.studiengang_kz, tbl_lehreinheitgruppe.semester, tbl_lehreinheitgruppe.verband, tbl_lehreinheitgruppe.gruppe,
-					tbl_lehreinheitgruppe.gruppe_kurzbz, tbl_kalender_lehreinheit.kalender_id
-				FROM lehre.tbl_kalender_lehreinheit
-				JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
-				JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
-				UNION
-				SELECT tbl_kalender_event_teilnehmer.studiengang_kz, tbl_kalender_event_teilnehmer.semester, tbl_kalender_event_teilnehmer.verband, tbl_kalender_event_teilnehmer.gruppe,
-					tbl_kalender_event_teilnehmer.gruppe_kurzbz, tbl_kalender_event_teilnehmer.kalender_id
-				FROM lehre.tbl_kalender_event_teilnehmer
-			) current_lehreinheitguppe ON current_lehreinheitguppe.kalender_id = current_kalender.kalender_id
-	
-			LEFT JOIN public.tbl_gruppe current_gruppe
-				ON current_gruppe.gruppe_kurzbz = current_lehreinheitguppe.gruppe_kurzbz
-	
-			JOIN lehre.tbl_kalender other_kalender
-				ON other_kalender.kalender_id != current_kalender.kalender_id
-				AND other_kalender.von < current_kalender.bis
-				AND other_kalender.bis > current_kalender.von
-	
-			JOIN (
-				SELECT tbl_lehreinheitgruppe.studiengang_kz, tbl_lehreinheitgruppe.semester, tbl_lehreinheitgruppe.verband, tbl_lehreinheitgruppe.gruppe,
-					tbl_lehreinheitgruppe.gruppe_kurzbz, tbl_kalender_lehreinheit.kalender_id
-				FROM lehre.tbl_kalender_lehreinheit
-				JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
-				JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
-				UNION
-				SELECT tbl_kalender_event_teilnehmer.studiengang_kz, tbl_kalender_event_teilnehmer.semester, tbl_kalender_event_teilnehmer.verband, tbl_kalender_event_teilnehmer.gruppe,
-					tbl_kalender_event_teilnehmer.gruppe_kurzbz, tbl_kalender_event_teilnehmer.kalender_id
-				FROM lehre.tbl_kalender_event_teilnehmer
-			) other_lehreinheitguppe ON other_lehreinheitguppe.kalender_id = other_kalender.kalender_id
-	
-			LEFT JOIN public.tbl_gruppe other_gruppe
-				ON other_gruppe.gruppe_kurzbz = other_lehreinheitguppe.gruppe_kurzbz
-	
-			WHERE current_kalender.kalender_id IN ({$placeholders})
-			AND other_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete')
-			AND current_lehreinheitguppe.studiengang_kz = other_lehreinheitguppe.studiengang_kz
-			AND current_lehreinheitguppe.semester = other_lehreinheitguppe.semester
-			AND (
-				(
-					current_lehreinheitguppe.gruppe_kurzbz IS NULL
-					AND other_lehreinheitguppe.gruppe_kurzbz IS NULL
-					AND (
-						current_lehreinheitguppe.verband IS NULL
-						OR (
-							current_lehreinheitguppe.verband = other_lehreinheitguppe.verband
-							AND (current_lehreinheitguppe.gruppe IS NULL OR other_lehreinheitguppe.gruppe IS NULL OR current_lehreinheitguppe.gruppe = other_lehreinheitguppe.gruppe)
-						)
-					)
-				)
-				OR
-				(
-					current_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
-					AND other_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
-					AND current_gruppe.direktinskription IS NOT TRUE
-					AND other_gruppe.direktinskription IS NOT TRUE
-				)
-				OR
-				(
-					(
-						current_lehreinheitguppe.gruppe_kurzbz IS NULL
-						AND other_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
-						AND other_gruppe.direktinskription IS NOT TRUE
-					)
-					OR
-					(
-						current_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
-						AND other_lehreinheitguppe.gruppe_kurzbz IS NULL
-						AND current_gruppe.direktinskription IS NOT TRUE
-					)
-				)
-			)
-			AND other_kalender.kalender_id NOT IN (
-				SELECT vorgaenger_kalender_id
-				FROM lehre.tbl_kalender
-				WHERE vorgaenger_kalender_id IS NOT NULL
-			)
-			
-		";
-
-		$result = $dbModel->execReadOnlyQuery($sql, $kalender_ids);
-
-		if (isError($result) || !hasData($result)) return [];
-
-		$grouped = [];
-		foreach (getData($result) as $row)
-		{
-			$grouped[$row->kalender_id][] = true;
-		}
-
-		return $grouped;
-	}
-
-}
@@ -9,48 +9,40 @@ class PlausicheckDefinitionLib
 {
 	// set fehler for core plausichecks
 	// structure: fehler_kurzbz => class (library) name for resolving
-	private $_fehlerLibMappings = array(
-		'AbbrecherAktiv' => 'AbbrecherAktiv',
-		'AbschlussstatusFehlt' => 'AbschlussstatusFehlt',
-		'AktSemesterNull' => 'AktSemesterNull',
-		'AktiverStudentOhneStatus' => 'AktiverStudentOhneStatus',
-		'AusbildungssemPrestudentUngleichAusbildungssemStatus' => 'AusbildungssemPrestudentUngleichAusbildungssemStatus',
-		'DatumAbschlusspruefungFehlt' => 'DatumAbschlusspruefungFehlt',
-		'DatumSponsionFehlt' => 'DatumSponsionFehlt',
-		'DatumStudiensemesterFalscheReihenfolge' => 'DatumStudiensemesterFalscheReihenfolge',
-		'FalscheAnzahlAbschlusspruefungen' => 'FalscheAnzahlAbschlusspruefungen',
-		'FalscheAnzahlHeimatadressen' => 'FalscheAnzahlHeimatadressen',
-		'FalscheAnzahlZustelladressen' => 'FalscheAnzahlZustelladressen',
-		'GbDatumWeitZurueck' => 'GbDatumWeitZurueck',
-		'InaktiverStudentAktiverStatus' => 'InaktiverStudentAktiverStatus',
-		'IncomingHeimatNationOesterreich' => 'IncomingHeimatNationOesterreich',
-		'IncomingOhneIoDatensatz' => 'IncomingOhneIoDatensatz',
-		'IncomingOrGsFoerderrelevant' => 'IncomingOrGsFoerderrelevant',
-		'InskriptionVorLetzerBismeldung' => 'InskriptionVorLetzerBismeldung',
-		'NationNichtOesterreichAberGemeinde' => 'NationNichtOesterreichAberGemeinde',
-		'OrgformStgUngleichOrgformPrestudent' => 'OrgformStgUngleichOrgformPrestudent',
-		'PrestudentMischformOhneOrgform' => 'PrestudentMischformOhneOrgform',
-		'StgPrestudentUngleichStgStudienplan' => 'StgPrestudentUngleichStgStudienplan',
-		'StgPrestudentUngleichStgStudent' => 'StgPrestudentUngleichStgStudent',
-		'StudentstatusNachAbbrecher' => 'StudentstatusNachAbbrecher',
+	private $_fehlerKurzbz = array(
+		'AbbrecherAktiv',
+		'AbschlussstatusFehlt',
+		'AktSemesterNull',
+		'AktiverStudentOhneStatus',
+		'AusbildungssemPrestudentUngleichAusbildungssemStatus',
+		'DatumAbschlusspruefungFehlt',
+		'DatumSponsionFehlt',
+		'DatumStudiensemesterFalscheReihenfolge',
+		'FalscheAnzahlAbschlusspruefungen',
+		'FalscheAnzahlHeimatadressen',
+		'FalscheAnzahlZustelladressen',
+		'GbDatumWeitZurueck',
+		'InaktiverStudentAktiverStatus',
+		'IncomingHeimatNationOesterreich',
+		'IncomingOhneIoDatensatz',
+		'IncomingOrGsFoerderrelevant',
+		'InskriptionVorLetzerBismeldung',
+		'NationNichtOesterreichAberGemeinde',
+		'OrgformStgUngleichOrgformPrestudent',
+		'PrestudentMischformOhneOrgform',
+		'StgPrestudentUngleichStgStudienplan',
+		'StgPrestudentUngleichStgStudent',
+		'StudentstatusNachAbbrecher',
 		'DualesStudiumOhneMarkierung' => 'DualesStudiumOhneMarkierung'
-		//'StudienplanUngueltig' => 'StudienplanUngueltig'
-		//'BewerberNichtZumRtAngetreten' => 'BewerberNichtZumRtAngetreten'
+		//'StudienplanUngueltig',
+		//'BewerberNichtZumRtAngetreten'
 	);

-	/**
-	 * Gets all fehler_kurzbz-library mappings for fehler which need to be checked.
-	 */
-	public function getFehlerLibMappings()
-	{
-		return $this->_fehlerLibMappings;
-	}
-
 	/**
 	 * Gets all fehler_kurzbz for fehler which need to be checked.
 	 */
 	public function getFehlerKurzbz()
 	{
-		return array_keys($this->_fehlerLibMappings);
+		return $this->_fehlerKurzbz;
 	}
 }
@@ -6,36 +6,43 @@ class PlausicheckProducerLib
 {
 	const CI_PATH = 'application';
 	const CI_LIBRARY_FOLDER = 'libraries';
-	const EXTENSIONS_FOLDER = 'extensions';
 	const PLAUSI_ISSUES_FOLDER = 'issues/plausichecks';
 	const EXECUTE_PLAUSI_CHECK_METHOD_NAME = 'executePlausiCheck';
+	const CONFIG_FEHLER_NAME = 'fehler';
+	const CONFIG_FEHLER_INDEX = 'fehler';
+	const FEHLER_KURZBZ_NAME = 'fehler_kurzbz';
+	const PRODUCER_LIB_NAME = 'producerLibName';
+	const EXTENSION_NAME = 'extensionName';

 	private $_ci; // ci instance
-	private $_extensionName; // name of extension
 	private $_konfiguration = []; // configuration parameters
+	private $_fehlerKurzbz = []; // fehler to produce
 	private $_fehlerLibMappings = []; // mappings of fehler and libraries for producing them
-	private $_isForResolutionCheck = false; // mappings of fehler and libraries for producing them
+	private $_apps = []; // apps of fehler to produce

 	public function __construct($params = null)
 	{
-		// set extension name if called from extension
-		if (isset($params['extensionName'])) $this->_extensionName = $params['extensionName'];
-		if (isset($params['fehlerLibMappings'])) $this->_fehlerLibMappings = $params['fehlerLibMappings'];
-		if (isset($params['isForResolutionCheck'])) $this->_isForResolutionCheck = $params['isForResolutionCheck'];
-
-		// set application
-		$app = isset($params['app']) ? $params['app'] : null;
+		// set application(s))
+		if (isset($params['apps']))
+		{
+			if (is_string($params['apps'])) $params['apps'] = [$params['apps']];
+			if (is_array($params['apps'])) $this->_apps = $params['apps'];
+		}

 		$this->_ci =& get_instance(); // get ci instance

 		// load libraries
 		$this->_ci->load->library('IssuesLib');
+		$this->_ci->load->library('ExtensionsLib');

 		// load models
+		$this->_ci->load->model('system/Fehler_model', 'FehlerModel');
 		$this->_ci->load->model('system/Fehlerkonfiguration_model', 'FehlerkonfigurationModel');

-		// get all configuration parameters for the application
-		$fehlerkonfigurationRes = $this->_ci->FehlerkonfigurationModel->getKonfiguration($app);
+		$this->_ci->load->config(self::CONFIG_FEHLER_NAME);
+
+		// get all configuration parameters for the application(s))
+		$fehlerkonfigurationRes = $this->_ci->FehlerkonfigurationModel->getKonfiguration($this->_apps);

 		if (hasData($fehlerkonfigurationRes))
 		{
@@ -46,10 +53,88 @@ class PlausicheckProducerLib
 				$this->_konfiguration[$fk->fehler_kurzbz][$fk->konfigurationstyp_kurzbz] = $fk->konfiguration;
 			}
 		}
+
+		// get all fehler to be produced (by kurzbz array or app)
+		if (isset($params['fehlerKurzbz']) && !isEmptyArray($params['fehlerKurzbz']))
+		{
+			$this->_fehlerKurzbz = $params['fehlerKurzbz'];
+		}
+		else
+		{
+			// get fehler by apps
+			$fehlerRes = $this->_ci->FehlerModel->getByApps($this->_apps);
+
+			if (hasData($fehlerRes)) $this->_fehlerKurzbz = array_column(getData($fehlerRes), 'fehler_kurzbz');
+		}
+
+		// get producer file paths for the fehler
+
+		// Load Fehler Entries of Core
+		$configArray = $this->_ci->config->item(self::CONFIG_FEHLER_INDEX);
+
+		if (isset($configArray) && is_array($configArray))
+		{
+			foreach ($configArray as $coreEntry)
+			{
+				if (!isset($coreEntry[self::FEHLER_KURZBZ_NAME])
+					|| !isset($coreEntry[self::PRODUCER_LIB_NAME])
+					|| !in_array($coreEntry[self::FEHLER_KURZBZ_NAME], $this->_fehlerKurzbz)
+				) {
+					continue;
+				}
+
+				$this->_fehlerLibMappings[$coreEntry[self::FEHLER_KURZBZ_NAME]][self::PRODUCER_LIB_NAME] = $coreEntry[self::PRODUCER_LIB_NAME];
+			}
+		}
+
+		// load fehler entries of extensions
+		$extensions = $this->_ci->extensionslib->getInstalledExtensions();
+
+		if (hasData($extensions))
+		{
+			$extensionArray = array();
+
+			$extensionsData = getData($extensions);
+
+			foreach ($extensionsData as $ext)
+			{
+				$configFilePath = ExtensionsLib::EXTENSIONS_DIR_NAME.'/'.$ext->name.'/'.self::CONFIG_FEHLER_NAME.'.php';
+				$configFilename = APPPATH.'config/'.$configFilePath;
+
+				// if fehler config file exists in extension
+				if (file_exists($configFilename))
+				{
+					$config = array(); // default value
+
+					// include the config file
+					include($configFilename);
+
+					if (isset($config[self::CONFIG_FEHLER_NAME]) && is_array($config[self::CONFIG_FEHLER_NAME]))
+					{
+						foreach ($config[self::CONFIG_FEHLER_NAME] as $extensionEntry)
+						{
+							if (
+								!isset($extensionEntry[self::FEHLER_KURZBZ_NAME])
+								|| !isset($extensionEntry[self::PRODUCER_LIB_NAME])
+								|| !in_array($extensionEntry[self::FEHLER_KURZBZ_NAME], $this->_fehlerKurzbz)
+							) {
+								continue;
+							}
+
+							// add extension config data to fehler lib mappings
+							$fehler_kurzbz = $extensionEntry[self::FEHLER_KURZBZ_NAME];
+
+							$this->_fehlerLibMappings[$fehler_kurzbz][self::PRODUCER_LIB_NAME] = $extensionEntry[self::PRODUCER_LIB_NAME];
+							$this->_fehlerLibMappings[$fehler_kurzbz][self::EXTENSION_NAME] = $ext->name;
+						}
+					}
+				}
+			}
+		}
 	}

 	/**
-	 * Produces multiple plausicheck issues at once and saved them to db.
+	 * Produces multiple plausicheck issues at once, and saves them in the database.
 	 * @param array $params passed to each plausicheck
 	 * @return result object with occured error and info
 	 */
@@ -59,10 +144,17 @@ class PlausicheckProducerLib
 		$result->errors = [];
 		$result->infos = [];

-		foreach ($this->_fehlerLibMappings as $fehler_kurzbz => $libName)
+		$mappingFehlerKurbz = array_keys($this->_fehlerLibMappings);
+
+		// check if all issues to produce could be found in database
+		//~ $notFoundFehlerKurzbz = array_diff($this->_fehlerKurzbz, $mappingFehlerKurbz);
+
+		//~ if (!isEmptyArray($notFoundFehlerKurzbz))
+			//~ $result->errors[] = error('Fehler to produce not defined in config: '.implode(', ', $notFoundFehlerKurzbz));
+
+		foreach ($mappingFehlerKurbz as $fehler_kurzbz)
 		{
 			$plausicheckRes = $this->producePlausicheckIssue(
-				$libName,
 				$fehler_kurzbz,
 				$params
 			);
@@ -96,14 +188,23 @@ class PlausicheckProducerLib

 	/**
 	 * Executes plausicheck using a given library, returns the result.
-	 * @param $libName string name of library producing the issue
 	 * @param $fehler_kurzbz string unique short name of fehler, for which issue is produced
 	 * @param $params parameters passed to issue production method
 	 */
-	public function producePlausicheckIssue($libName, $fehler_kurzbz, $params)
+	public function producePlausicheckIssue($fehler_kurzbz, $params)
 	{
+		//if (!isset($this->_fehlerLibMappings[$fehler_kurzbz])) return error("Mapping for Fehler " . $fehler_kurzbz . " was not found");
+		if (!isset($this->_fehlerLibMappings[$fehler_kurzbz])) return success(null);
+
+		$mapping = $this->_fehlerLibMappings[$fehler_kurzbz];
+
+		if (!isset($mapping[self::PRODUCER_LIB_NAME]) || isEmptyString($mapping[self::PRODUCER_LIB_NAME]))
+			return error("No producer lib name set for Fehler " . $fehler_kurzbz);
+
+		$libName = $mapping[self::PRODUCER_LIB_NAME];
+
 		// if called from extension (extension name set), path includes extension names
-		$libRootPath = isset($this->_extensionName) ? self::EXTENSIONS_FOLDER . '/' . $this->_extensionName . '/' : '';
+		$libRootPath = isset($mapping[self::EXTENSION_NAME]) ? ExtensionsLib::EXTENSIONS_DIR_NAME . '/' . $mapping[self::EXTENSION_NAME] . '/' : '';

 		// path for loading issue library
 		$issuesLibPath = $libRootPath . self::PLAUSI_ISSUES_FOLDER . '/';
@@ -121,7 +222,7 @@ class PlausicheckProducerLib
 		// load library connected to fehlercode
 		$this->_ci->load->library(
 			$issuesLibPath . $libName,
-			['configurationParams' => $config, 'isForResolutionCheck' => $this->_isForResolutionCheck]
+			['configurationParams' => $config]
 		);

 		$lowercaseLibName = mb_strtolower($libName);
@@ -133,4 +234,13 @@ class PlausicheckProducerLib
 		// call the function for checking for issue production
 		return $this->_ci->{$lowercaseLibName}->{self::EXECUTE_PLAUSI_CHECK_METHOD_NAME}($params);
 	}
+
+	/**
+	 * Get fehler kurzbz -> library mappings.
+	 * @return array with fehler kurzbz as key and fehlerinfo as values
+	 */
+	public function getFehlerMappings()
+	{
+		return $this->_fehlerLibMappings;
+	}
 }
@@ -9,43 +9,177 @@ class PlausicheckResolverLib
 	const EXTENSIONS_FOLDER = 'extensions';
 	const ISSUE_RESOLVERS_FOLDER = 'issues/resolvers';
 	const CHECK_ISSUE_RESOLVED_METHOD_NAME = 'checkIfIssueIsResolved';
+	const CONFIG_FEHLER_NAME = 'fehler';
+	const FEHLERCODE_NAME = 'fehlercode';
+	const FEHLER_KURZBZ_NAME = 'fehler_kurzbz';
+	const RESOLVER_LIB_NAME = 'resolverLibName';
+	const PRODUCER_IS_RESOLVER_NAME = 'producerIsResolver';
+	const EXTENSION_NAME = 'extensionName';
+

 	private $_ci; // ci instance
 	private $_extensionName; // name of extension
+	private $_fehlercodes = []; // fehlercodes to resolve
+	private $_apps = []; // apps for which issues should be resolved
 	private $_codeLibMappings = []; // mappings for issues which explicitly defined resolver
-	private $_codeProducerLibMappings = []; // mappings for issues which are resolved with the same check as they are produced
+	private $_defaultIssueParams = ['issue_id' => 'issue_id', 'issue_person_id' => 'person_id', 'issue_oe_kurzbz' => 'oe_kurzbz'];

 	public function __construct($params = null)
 	{
-		// set extension name if called from extension
-		if (isset($params['extensionName'])) $this->_extensionName = $params['extensionName'];
-		if (isset($params['codeLibMappings'])) $this->_codeLibMappings = $params['codeLibMappings'];
-		if (isset($params['codeProducerLibMappings'])) $this->_codeProducerLibMappings = $params['codeProducerLibMappings'];
+		// set application(s))
+		if (isset($params['apps']))
+		{
+			if (is_string($params['apps'])) $params['apps'] = [$params['apps']];
+			if (is_array($params['apps'])) $this->_apps = $params['apps'];
+		}

 		$this->_ci =& get_instance(); // get ci instance

+		// get all fehler to be produced (by kurzbz array or app)
+		if (isset($params['fehlercodes']) && !isEmptyArray($params['fehlercodes']))
+		{
+			$this->_fehlercodes = $params['fehlercodes'];
+		}
+		elseif (isset($params['apps']) && !isEmptyArray($params['apps']))
+		{
+			$this->_ci->load->model('system/Fehler_model', 'FehlerModel');
+			$fehlerRes = $this->_ci->FehlerModel->getByApps($this->_apps);
+
+			if (hasData($fehlerRes))
+			{
+				$this->_fehlercodes = array_column(getData($fehlerRes), 'fehlercode');
+			}
+		}
+
 		$this->_ci->load->library('IssuesLib');
-		$this->_ci->load->library('issues/PlausicheckProducerLib', ['extensionName' => $this->_extensionName, 'isForResolutionCheck' => true]);
+		$this->_ci->load->library('ExtensionsLib');
+
+		$this->_ci->load->config('fehler');
+
+		// Load Fehler Entries of Core
+		$configArray = $this->_ci->config->item(self::CONFIG_FEHLER_NAME);
+
+		foreach ($configArray as $coreEntry)
+		{
+			// each entry must have fehlercode
+			if (!isset($coreEntry[self::FEHLERCODE_NAME])
+				|| !in_array($coreEntry[self::FEHLERCODE_NAME], $this->_fehlercodes)
+			) {
+				continue;
+			}
+
+			// fill code lib mappings with needed values
+			$fehlercode = $coreEntry[self::FEHLERCODE_NAME];
+
+			if (isset($coreEntry[self::FEHLER_KURZBZ_NAME]))
+				$this->_codeLibMappings[$fehlercode][self::FEHLER_KURZBZ_NAME] = $coreEntry[self::FEHLER_KURZBZ_NAME];
+
+			$this->_codeLibMappings[$fehlercode][self::RESOLVER_LIB_NAME] = $coreEntry[self::RESOLVER_LIB_NAME] ?? null;
+			$this->_codeLibMappings[$fehlercode][self::PRODUCER_IS_RESOLVER_NAME]
+				= $coreEntry[self::PRODUCER_IS_RESOLVER_NAME] ?? false;
+		}
+
+		// load fehler entries of extensions
+		$extensions = $this->_ci->extensionslib->getInstalledExtensions();
+
+		if (hasData($extensions))
+		{
+			$extensionArray = array();
+
+			$extensionsData = getData($extensions);
+
+			foreach ($extensionsData as $ext)
+			{
+				$configFilename = APPPATH.'config/'.ExtensionsLib::EXTENSIONS_DIR_NAME.'/'.$ext->name.'/'.self::CONFIG_FEHLER_NAME.'.php';
+
+				// if fehler config file exists in teh extension
+				if (file_exists($configFilename))
+				{
+					$config = array(); // default value
+
+					// include config data
+					include($configFilename);
+
+					if (isset($config[self::CONFIG_FEHLER_NAME]) && is_array($config[self::CONFIG_FEHLER_NAME]))
+					{
+						foreach ($config[self::CONFIG_FEHLER_NAME] as $extensionEntry)
+						{
+							if (
+								!isset($extensionEntry[self::FEHLERCODE_NAME])
+								|| !in_array($extensionEntry[self::FEHLERCODE_NAME], $this->_fehlercodes)
+							) {
+								continue;
+							}
+
+							// add extension config data to fehlercode lib mappings
+							$fehlercode = $extensionEntry[self::FEHLERCODE_NAME];
+							if (isset($extensionEntry[self::FEHLER_KURZBZ_NAME]))
+								$this->_codeLibMappings[$fehlercode][self::FEHLER_KURZBZ_NAME] = $extensionEntry[self::FEHLER_KURZBZ_NAME];
+
+							$this->_codeLibMappings[$fehlercode][self::RESOLVER_LIB_NAME]
+								= $extensionEntry[self::RESOLVER_LIB_NAME] ?? null;
+							$this->_codeLibMappings[$fehlercode][self::EXTENSION_NAME] = $ext->name;
+							$this->_codeLibMappings[$fehlercode][self::PRODUCER_IS_RESOLVER_NAME]
+								= $extensionEntry[self::PRODUCER_IS_RESOLVER_NAME] ?? false;
+						}
+					}
+				}
+			}
+		}
 	}

 	/**
 	 * Reseolves multiple plausicheck issues at once.
-	 * @param array $codeLibMappings contains fehler type to check and library responsible for check (fehlercode => libName)
-	 * @param array $openIssues passed issues to resolve
+	 * @param array $openIssues passed issues to resolve. If null, issues with fehlercodes in _fehlercodes property are loaded
 	 * @return result object with occured error and info
 	 */
-	public function resolvePlausicheckIssues($openIssues)
+	public function resolvePlausicheckIssues($openIssues = null)
 	{
+		// loading producer lib with fehler kurzbz of provided code mappings, for "self resolving" issues
+		$this->_ci->load->library(
+			'issues/PlausicheckProducerLib',
+			['fehlerKurzbz' => array_column($this->_codeLibMappings, self::FEHLER_KURZBZ_NAME)], 'PlausicheckResolverProducerLib'
+		);
+
+		if (!isset($openIssues))
+		{
+			if (!isEmptyArray($this->_fehlercodes))
+			{
+				$this->_ci->load->model('system/Issue_model', 'IssueModel');
+
+				// load open issues with given errorcodes
+				$openIssuesRes = $this->_ci->IssueModel->getOpenIssues(
+					$this->_fehlercodes
+				);
+
+				$openIssues = hasData($openIssuesRes) ? getData($openIssuesRes) : [];
+			}
+		}
+
+
 		$result = new StdClass();
 		$result->errors = [];
 		$result->infos = [];

+		// check if all issues to resolve could be found in database
+		//~ $mappingFehlerCodes = array_keys($this->_codeLibMappings);
+		//~ $notFoundFehlerCodes = array_diff($this->_fehlercodes, $mappingFehlerCodes);
+
+		//~ if (!isEmptyArray($notFoundFehlerCodes))
+			//~ $result->errors[] = error('Fehler to resolve not defined in config: '.implode(', ', $notFoundFehlerCodes));
+
 		foreach ($openIssues as $issue)
 		{
+			$params = [];
+			foreach ($this->_defaultIssueParams as $index => $propertyName)
+			{
+				$params[$index] = $issue->{$propertyName};
+			}
+
 			// add person id and oe kurzbz automatically as params, merge it with additional params
 			// decode bewerbung_parameter into assoc array
 			$params = array_merge(
-				array('issue_id' => $issue->issue_id, 'issue_person_id' => $issue->person_id, 'issue_oe_kurzbz' => $issue->oe_kurzbz),
+				$params,
 				isset($issue->behebung_parameter) ? json_decode($issue->behebung_parameter, true) : array()
 			);

@@ -54,69 +188,72 @@ class PlausicheckResolverLib
 			// ignore if Fehlercode is not in libmappings (shouldn't be checked)
 			if (isset($this->_codeLibMappings[$issue->fehlercode]))
 			{
-				$libName = $this->_codeLibMappings[$issue->fehlercode];
+				$codeLibMapping = $this->_codeLibMappings[$issue->fehlercode];
+				$libName = $codeLibMapping[self::RESOLVER_LIB_NAME] ?? null;
+				$extensionName = $codeLibMapping[self::EXTENSION_NAME] ?? null;
+				$producerIsResolver = $codeLibMapping[self::PRODUCER_IS_RESOLVER_NAME] ?? false;

-				// if called from extension (extension name set), path includes extension names
-				$libRootPath = isset($this->_extensionName) ? self::EXTENSIONS_FOLDER . '/' . $this->_extensionName . '/' : '';
-
-				// path for loading issue library
-				$issuesLibPath = $libRootPath . self::ISSUE_RESOLVERS_FOLDER . '/';
-
-				// file path of library for check if file exists
-				$issuesLibFilePath = DOC_ROOT . self::CI_PATH
-					. '/' . $libRootPath . self::CI_LIBRARY_FOLDER . '/' . self::ISSUE_RESOLVERS_FOLDER . '/' . $libName . '.php';
-
-				// check if library file exists
-				if (!file_exists($issuesLibFilePath))
+				if ($producerIsResolver)
 				{
-					// log error and continue with next issue if not
-					$result->errors[] = "Issue library file " . $issuesLibFilePath . " does not exist";
-					continue;
-				}
+					// execute same check as used for issue production
+					$issueResolvedRes = $this->_ci->PlausicheckResolverProducerLib->producePlausicheckIssue(
+						$issue->fehler_kurzbz,
+						$params
+					);

-				// load library connected to fehlercode
-				$this->_ci->load->library($issuesLibPath . $libName);
-
-				$lowercaseLibName = mb_strtolower($libName);
-
-				// check if method is defined in library class
-				if (!is_callable(array($this->_ci->{$lowercaseLibName}, self::CHECK_ISSUE_RESOLVED_METHOD_NAME)))
-				{
-					// log error and continue with next issue if not
-					$result->errors[] = "Method " . self::CHECK_ISSUE_RESOLVED_METHOD_NAME . " is not defined in library $lowercaseLibName";
-					continue;
-				}
-
-				// call the function for checking for issue resolution
-				$issueResolvedRes = $this->_ci->{$lowercaseLibName}->{self::CHECK_ISSUE_RESOLVED_METHOD_NAME}($params);
-
-				if (isError($issueResolvedRes))
-				{
-					$result->errors[] = getError($issueResolvedRes);
+					if (isError($issueResolvedRes))
+					{
+						$result->errors[] = getError($issueResolvedRes);
+					}
+					else
+					{
+						$issueResolved = !hasData($issueResolvedRes);
+					}
 				}
 				else
 				{
-					$issueResolved = getData($issueResolvedRes) === true;
-				}
-			}
-			elseif (isset($this->_codeProducerLibMappings[$issue->fehlercode])) // check if it is an issue without explicit resolver, "self-resolving"
-			{
-				$libName = $this->_codeProducerLibMappings[$issue->fehlercode];
+					// if called from extension (extension name set), path includes extension names
+					$libRootPath = isset($extensionName) ? self::EXTENSIONS_FOLDER . '/' . $extensionName . '/' : '';

-				// execute same check as used for issue production 
-				$issueResolvedRes = $this->_ci->plausicheckproducerlib->producePlausicheckIssue(
-					$libName,
-					$issue->fehler_kurzbz,
-					$params
-				);
+					// path for loading issue library
+					$issuesLibPath = $libRootPath . self::ISSUE_RESOLVERS_FOLDER . '/';

-				if (isError($issueResolvedRes))
-				{
-					$result->errors[] = getError($issueResolvedRes);
-				}
-				else
-				{
-					$issueResolved = !hasData($issueResolvedRes);
+					// file path of library for check if file exists
+					$issuesLibFilePath = DOC_ROOT . self::CI_PATH
+						. '/' . $libRootPath . self::CI_LIBRARY_FOLDER . '/' . self::ISSUE_RESOLVERS_FOLDER . '/' . $libName . '.php';
+
+					// check if library file exists
+					if (!file_exists($issuesLibFilePath))
+					{
+						// log error and continue with next issue if not
+						$result->errors[] = "Issue library file " . $issuesLibFilePath . " does not exist";
+						continue;
+					}
+
+					// load library connected to fehlercode
+					$this->_ci->load->library($issuesLibPath . $libName);
+
+					$lowercaseLibName = mb_strtolower($libName);
+
+					// check if method is defined in library class
+					if (!is_callable(array($this->_ci->{$lowercaseLibName}, self::CHECK_ISSUE_RESOLVED_METHOD_NAME)))
+					{
+						// log error and continue with next issue if not
+						$result->errors[] = "Method " . self::CHECK_ISSUE_RESOLVED_METHOD_NAME . " is not defined in library $lowercaseLibName";
+						continue;
+					}
+
+					// call the function for checking for issue resolution
+					$issueResolvedRes = $this->_ci->{$lowercaseLibName}->{self::CHECK_ISSUE_RESOLVED_METHOD_NAME}($params);
+
+					if (isError($issueResolvedRes))
+					{
+						$result->errors[] = getError($issueResolvedRes);
+					}
+					else
+					{
+						$issueResolved = getData($issueResolvedRes) === true;
+					}
 				}
 			}

@@ -23,7 +23,11 @@ class AbbrecherAktiv extends PlausiChecker
 			AND benutzer.aktiv=true";

 	protected $_config_params = ['exkludierteStudiengaenge' => " AND stg.studiengang_kz NOT IN ?"];
-	protected $_params_for_checking = ['studiengang_kz' => " AND stg.studiengang_kz = ?", 'prestudent_id' => " AND pre.prestudent_id = ?"];
+	protected $_params_for_checking = [
+		'studiengang_kz' => " AND stg.studiengang_kz = ?",
+		'prestudent_id' => " AND pre.prestudent_id = ?",
+		'person_id' => " AND pre.person_id = ?"
+	];
 	protected $_fehlertext_params = ['prestudent_id'];
 	protected $_resolution_params = ['prestudent_id'];
 }
@@ -19,12 +19,14 @@ class AbschlussstatusFehlt extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getAbschlussstatusFehlt(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -55,6 +57,7 @@ class AbschlussstatusFehlt extends PlausiChecker
 	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -62,6 +65,7 @@ class AbschlussstatusFehlt extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -132,6 +136,12 @@ class AbschlussstatusFehlt extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,9 +19,10 @@ class AktSemesterNull extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$prestudentRes = $this->getAktSemesterNull($studiensemester_kurzbz, $studiengang_kz, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getAktSemesterNull($studiensemester_kurzbz, $studiengang_kz, null, $person_id, $exkludierte_studiengang_kz);

 		if (isError($prestudentRes)) return $prestudentRes;

@@ -56,11 +57,17 @@ class AktSemesterNull extends PlausiChecker
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
-	public function getAktSemesterNull($studiensemester_kurzbz, $studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
-	{
+	public function getAktSemesterNull(
+		$studiensemester_kurzbz,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
 		$params = array($studiensemester_kurzbz);

 		$qry = "
@@ -89,6 +96,12 @@ class AktSemesterNull extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -18,9 +18,10 @@ class AktiverStudentOhneStatus extends PlausiChecker

 		// pass parameters needed for plausicheck
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$prestudentRes = $this->getAktiverStudentOhneStatus($studiengang_kz, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getAktiverStudentOhneStatus($studiengang_kz, null, $person_id, $exkludierte_studiengang_kz);

 		if (isError($prestudentRes)) return $prestudentRes;

@@ -48,10 +49,11 @@ class AktiverStudentOhneStatus extends PlausiChecker
 	 * Students with active Benutzer should have a status in the current semester.
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
-	public function getAktiverStudentOhneStatus($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
+	public function getAktiverStudentOhneStatus($studiengang_kz = null, $prestudent_id = null, $person_id = null, $exkludierte_studiengang_kz = null)
 	{
 		$params = array();

@@ -88,6 +90,12 @@ class AktiverStudentOhneStatus extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND prestudent.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class AktiverStudentstatusOhneKontobuchung extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getAktiverStudentstatusOhneKontobuchung(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -61,6 +63,7 @@ class AktiverStudentstatusOhneKontobuchung extends PlausiChecker
 	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -68,6 +71,7 @@ class AktiverStudentstatusOhneKontobuchung extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -109,6 +113,13 @@ class AktiverStudentstatusOhneKontobuchung extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pers.person_id = ?";
+			$params[] = $person_id;
+		}
+
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class AusbildungssemPrestudentUngleichAusbildungssemStatus extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getAusbildungssemPrestudentUngleichAusbildungssemStatus(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -64,6 +66,7 @@ class AusbildungssemPrestudentUngleichAusbildungssemStatus extends PlausiChecker
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -71,6 +74,7 @@ class AusbildungssemPrestudentUngleichAusbildungssemStatus extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz, $studiensemester_kurzbz, $studiensemester_kurzbz);
@@ -105,6 +109,12 @@ class AusbildungssemPrestudentUngleichAusbildungssemStatus extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND prestudent.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class BewerberNichtZumRtAngetreten extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getBewerberNichtZumRtAngetreten(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -58,6 +60,7 @@ class BewerberNichtZumRtAngetreten extends PlausiChecker
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -65,6 +68,7 @@ class BewerberNichtZumRtAngetreten extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
@@ -112,6 +116,12 @@ class BewerberNichtZumRtAngetreten extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND prestudent.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class DatumAbschlusspruefungFehlt extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getDatumAbschlusspruefungFehlt(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -58,6 +60,7 @@ class DatumAbschlusspruefungFehlt extends PlausiChecker
 	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param abschlusspruefung_id int if check is to be executed for a certain Abschlussprüfung
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -65,6 +68,7 @@ class DatumAbschlusspruefungFehlt extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$abschlusspruefung_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -112,6 +116,12 @@ class DatumAbschlusspruefungFehlt extends PlausiChecker
 			$params[] = $abschlusspruefung_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class DatumSponsionFehlt extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getDatumSponsionFehlt(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -58,6 +60,7 @@ class DatumSponsionFehlt extends PlausiChecker
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param abschlusspruefung_id int if check is to be executed only for a certain Abschlussprüfung
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -65,6 +68,7 @@ class DatumSponsionFehlt extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$abschlusspruefung_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -112,6 +116,12 @@ class DatumSponsionFehlt extends PlausiChecker
 			$params[] = $abschlusspruefung_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -18,9 +18,10 @@ class DatumStudiensemesterFalscheReihenfolge extends PlausiChecker

 		// pass parameters needed for plausicheck
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$prestudentRes = $this->getDatumStudiensemesterFalscheReihenfolge($studiengang_kz, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getDatumStudiensemesterFalscheReihenfolge($studiengang_kz, null, $person_id, $exkludierte_studiengang_kz);

 		if (isError($prestudentRes)) return $prestudentRes;

@@ -50,11 +51,16 @@ class DatumStudiensemesterFalscheReihenfolge extends PlausiChecker
 	 * Status Dates and status studysemester dates should be in correct order.
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if check is to be executed only for certain Studiengaenge
 	 * @return success with prestudents or error
 	 */
-	public function getDatumStudiensemesterFalscheReihenfolge($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
-	{
+	public function getDatumStudiensemesterFalscheReihenfolge(
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
 		$params = array();

 		// all active students with Status student in current semester
@@ -97,6 +103,12 @@ class DatumStudiensemesterFalscheReihenfolge extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class DualesStudiumOhneMarkierung extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getDualesStudiumOhneMarkierung(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -61,6 +63,7 @@ class DualesStudiumOhneMarkierung extends PlausiChecker
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -68,6 +71,7 @@ class DualesStudiumOhneMarkierung extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -132,6 +136,12 @@ class DualesStudiumOhneMarkierung extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND tbl_person.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class FalscheAnzahlAbschlusspruefungen extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getFalscheAnzahlAbschlusspruefungen(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -55,6 +57,7 @@ class FalscheAnzahlAbschlusspruefungen extends PlausiChecker
 	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -62,6 +65,7 @@ class FalscheAnzahlAbschlusspruefungen extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -111,6 +115,12 @@ class FalscheAnzahlAbschlusspruefungen extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,13 @@ class FalscheAnzahlHeimatadressen extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$personRes = $this->getFalscheAnzahlHeimatadressen(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
-			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -19,12 +19,13 @@ class FalscheAnzahlZustelladressen extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$personRes = $this->getFalscheAnzahlZustelladressen(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
-			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -0,0 +1,131 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class FalscherIncomingZweckPlausi extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$bisio_id = isset($params['bisio_id']) ? $params['bisio_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getFalscherIncomingZweck(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$bisio_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('bisio_id' => $prestudent->bisio_id),
+					'resolution_params' => array('bisio_id' => $prestudent->bisio_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Incomings should have the correct Zweck.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param bisio_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getFalscherIncomingZweck(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$bisio_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+
+		$params = array();
+		$studiensemester_clause = '';
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$studiensemester_clause = "AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		$qry = "
+		SELECT * FROM (
+			SELECT
+				DISTINCT ON (bisio_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz, zw.zweck_code, stg.studiengang_kz,
+				bisio.bisio_id, COUNT(zw.zweck_code) OVER (PARTITION BY bisio_id) AS anzahl
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_student stud USING (prestudent_id)
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiensemester sem ON status.studiensemester_kurzbz = sem.studiensemester_kurzbz
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+				JOIN bis.tbl_bisio bisio ON stud.student_uid = bisio.student_uid
+				JOIN bis.tbl_bisio_zweck zw USING (bisio_id)
+			WHERE
+				stg.melderelevant
+				AND pre.bismelden
+				AND status.status_kurzbz = 'Incoming'
+				AND bisio.von::date < sem.ende AND bisio.bis::date > sem.start
+				{$studiensemester_clause}
+		) zwecke
+		WHERE anzahl = 1 AND zweck_code NOT IN ('1', '2', '3')";
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND zwecke.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($bisio_id))
+		{
+			$qry .= " AND zwecke.bisio_id = ?";
+			$params[] = $bisio_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND zwecke.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND zwecke.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -19,9 +19,10 @@ class GbDatumWeitZurueck extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$personRes = $this->getGbDatumWeitZurueck($studiensemester_kurzbz, $studiengang_kz, null, $exkludierte_studiengang_kz);
+		$personRes = $this->getGbDatumWeitZurueck($studiensemester_kurzbz, $studiengang_kz, $person_id, $exkludierte_studiengang_kz);

 		if (isError($personRes)) return $personRes;

@@ -0,0 +1,108 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class GeburtsnationFehlt extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$personRes = $this->_getGeburtsnationFehlt(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($personRes)) return $personRes;
+
+		if (hasData($personRes))
+		{
+			$persons = getData($personRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($persons as $person)
+			{
+				$results[] = array(
+					'person_id' => $person->person_id,
+					'fehlertext_params' => array(),
+					'resolution_params' => array()
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Geburtsnation is missing.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param person_id int if check is to be executed only for one person
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getGeburtsnationFehlt(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT person_id
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+			WHERE
+				(geburtsnation IS NULL OR geburtsnation = '')
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -19,12 +19,14 @@ class InaktiverStudentAktiverStatus extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getInaktiverStudentAktiverStatus(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -58,21 +60,26 @@ class InaktiverStudentAktiverStatus extends PlausiChecker
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
 	public function getInaktiverStudentAktiverStatus(
-		$studiensemester_kurzbz,
+		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
-		$this->_ci->load->model('organisation/studiensemester_model', 'StudiensemesterModel');
-		$aktStudiensemesterRes = $this->_ci->StudiensemesterModel->getAkt();
+		if (!isset($studiensemester_kurzbz))
+		{
+			$this->_ci->load->model('organisation/studiensemester_model', 'StudiensemesterModel');
+			$aktStudiensemesterRes = $this->_ci->StudiensemesterModel->getAkt();

-		if (isError($aktStudiensemesterRes)) return $aktStudiensemesterRes;
+			if (isError($aktStudiensemesterRes)) return $aktStudiensemesterRes;

-		$studiensemester_kurzbz = hasData($aktStudiensemesterRes) ? getData($aktStudiensemesterRes)[0]->studiensemester_kurzbz : '';
+			$studiensemester_kurzbz = hasData($aktStudiensemesterRes) ? getData($aktStudiensemesterRes)[0]->studiensemester_kurzbz : '';
+		}

 		$params = array($studiensemester_kurzbz);

@@ -103,6 +110,12 @@ class InaktiverStudentAktiverStatus extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND prestudent.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,13 @@ class IncomingHeimatNationOesterreich extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$personRes = $this->getIncomingHeimatNationOesterreich(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
-			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -18,9 +18,10 @@ class IncomingOhneIoDatensatz extends PlausiChecker

 		// pass parameters needed for plausicheck
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$prestudentRes = $this->getIncomingOhneIoDatensatz($studiengang_kz, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getIncomingOhneIoDatensatz($studiengang_kz, null, $person_id, $exkludierte_studiengang_kz);

 		if (isError($prestudentRes)) return $prestudentRes;

@@ -48,10 +49,11 @@ class IncomingOhneIoDatensatz extends PlausiChecker
 	 * Incoming should have IN/OUT data.
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
-	public function getIncomingOhneIoDatensatz($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
+	public function getIncomingOhneIoDatensatz($studiengang_kz = null, $prestudent_id = null, $person_id = null, $exkludierte_studiengang_kz = null)
 	{
 		$params = array();

@@ -85,6 +87,12 @@ class IncomingOhneIoDatensatz extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND tbl_person.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class IncomingOrGsFoerderrelevant extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getIncomingOrGsFoerderrelevant(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -55,6 +57,7 @@ class IncomingOrGsFoerderrelevant extends PlausiChecker
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return object success or error
 	 */
@@ -62,6 +65,7 @@ class IncomingOrGsFoerderrelevant extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -114,6 +118,12 @@ class IncomingOrGsFoerderrelevant extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pers.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class InskriptionVorLetzerBismeldung extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getInskriptionVorLetzerBismeldung(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -59,7 +61,7 @@ class InskriptionVorLetzerBismeldung extends PlausiChecker

 	/**
 	 * Students of a semester shouldn't start studies before the date of Bismeldung.
-	 * e.g. If student studies in WS2022 datum of status shouldn't be before 15.4.2020
+	 * e.g. If student studies in WS2022 datum of status shouldn't be before 15.4.2022
 	 * e.g. If student studies in SS2022 datum of status shouldn't be before 15.11.2022
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
@@ -71,11 +73,14 @@ class InskriptionVorLetzerBismeldung extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		// get Bismeldedatum
 		$datumBis = $this->_getBisdateFromSemester($studiensemester_kurzbz);

+		if (!$datumBis) return success([]);
+
 		$params = array($datumBis, $studiensemester_kurzbz, $datumBis);

 		// get active students
@@ -117,6 +122,12 @@ class InskriptionVorLetzerBismeldung extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND prestudent.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -132,17 +143,16 @@ class InskriptionVorLetzerBismeldung extends PlausiChecker
 	 */
 	private function _getBisdateFromSemester($studiensemester_kurzbz)
 	{
-		$semesterYear = substr($studiensemester_kurzbz, 2, 6);
-		$semesterType = substr($studiensemester_kurzbz, 0, 2);
+		$bisdate = null;

-		if ($semesterType == 'SS')
-		{
-			return date_format(date_create(($semesterYear - 1)."-11-15"), 'Y-m-d');
-		}
+		$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+		$prevSemester = $this->_ci->StudiensemesterModel->getPreviousFrom($studiensemester_kurzbz);
+		if (!hasData($prevSemester)) return null;
+		$prevSemester = getData($prevSemester)[0]->studiensemester_kurzbz;

-		if ($semesterType == 'WS')
-		{
-			return date_format(date_create($semesterYear."-04-15"), 'Y-m-d');
-		}
+		$this->_ci->load->model('codex/Bismeldestichtag_model', 'BismeldestichtagModel');
+		$bisDate = $this->_ci->BismeldestichtagModel->getLastReachedMeldestichtag($prevSemester);
+		if (!hasData($bisDate)) return null;
+		return getData($bisDate)[0]->meldestichtag;
 	}
 }
@@ -0,0 +1,125 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class KeinAufenthaltszweckPlausi extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$bisio_id = isset($params['bisio_id']) ? $params['bisio_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getKeinAufenthaltszweck(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$bisio_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('bisio_id' => $prestudent->bisio_id),
+					'resolution_params' => array('bisio_id' => $prestudent->bisio_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Students with mobility should have Aufenthaltszweck.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param bisio_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getKeinAufenthaltszweck(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$bisio_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (bisio_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz,
+				zw.zweck_code, stg.studiengang_kz, bisio.bisio_id
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_student stud USING (prestudent_id)
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiensemester sem ON status.studiensemester_kurzbz = sem.studiensemester_kurzbz
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+				JOIN bis.tbl_bisio bisio ON stud.student_uid = bisio.student_uid
+				LEFT JOIN bis.tbl_bisio_zweck zw USING (bisio_id)
+			WHERE
+				(zw.zweck_code IS NULL OR zw.zweck_code = '')
+				AND bisio.von::date < sem.ende AND bisio.bis::date > sem.start
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($bisio_id))
+		{
+			$qry .= " AND bisio.bisio_id = ?";
+			$params[] = $bisio_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $bisio_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -18,11 +18,12 @@ class NationNichtOesterreichAberGemeinde extends PlausiChecker

 		// pass parameters needed for plausicheck
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$personRes = $this->getNationNichtOesterreichAberGemeinde(
 			$studiengang_kz,
-			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -19,12 +19,14 @@ class OrgformStgUngleichOrgformPrestudent extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getOrgformStgUngleichOrgformPrestudent(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -70,6 +72,7 @@ class OrgformStgUngleichOrgformPrestudent extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -116,6 +119,12 @@ class OrgformStgUngleichOrgformPrestudent extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND prestudent.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -0,0 +1,129 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class OutgoingAngerechneteEctsFehlenPlausi extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$bisio_id = isset($params['bisio_id']) ? $params['bisio_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getAngerechneteEctsFehlen(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$bisio_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('bisio_id' => $prestudent->bisio_id),
+					'resolution_params' => array('bisio_id' => $prestudent->bisio_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Outgoing should have angerechnete ECTS.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param bisio_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getAngerechneteEctsFehlen(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$bisio_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (bisio_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz,
+				stg.studiengang_kz, bisio.bisio_id
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_student stud USING (prestudent_id)
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiensemester sem ON status.studiensemester_kurzbz = sem.studiensemester_kurzbz
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+				JOIN bis.tbl_bisio bisio ON stud.student_uid = bisio.student_uid
+			WHERE
+				bisio.bis IS NOT NULL
+				AND bisio.bis::date <= NOW()
+				AND bisio.bis::date - bisio.von::date >= 29
+				AND bisio.ects_angerechnet IS NULL
+				AND NOT EXISTS (SELECT 1 FROM public.tbl_prestudentstatus WHERE status_kurzbz = 'Incoming' AND prestudent_id = pre.prestudent_id)
+				AND bisio.von::date < sem.ende AND bisio.bis::date > sem.start
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($bisio_id))
+		{
+			$qry .= " AND bisio.bisio_id = ?";
+			$params[] = $bisio_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,128 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class OutgoingAufenthaltfoerderungfehltPlausi extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$bisio_id = isset($params['bisio_id']) ? $params['bisio_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getAufenthaltsfoerderungFehlt(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$bisio_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('bisio_id' => $prestudent->bisio_id),
+					'resolution_params' => array('bisio_id' => $prestudent->bisio_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Student with mobility should have Aufenthaltsfoerderung.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param bisio_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getAufenthaltsfoerderungFehlt(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$bisio_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (bisio_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz,
+				stg.studiengang_kz, bisio.bisio_id
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_student stud USING (prestudent_id)
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiensemester sem ON status.studiensemester_kurzbz = sem.studiensemester_kurzbz
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+				JOIN bis.tbl_bisio bisio ON stud.student_uid = bisio.student_uid
+				LEFT JOIN bis.tbl_bisio_aufenthaltfoerderung foerd USING (bisio_id)
+			WHERE
+				bisio.bis IS NOT NULL
+				AND bisio.bis::date - bisio.von::date >= 29
+				AND foerd.aufenthaltfoerderung_code IS NULL
+				AND NOT EXISTS (SELECT 1 FROM public.tbl_prestudentstatus WHERE status_kurzbz = 'Incoming' AND prestudent_id = pre.prestudent_id)
+				AND bisio.von::date < sem.ende AND bisio.bis::date > sem.start
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($bisio_id))
+		{
+			$qry .= " AND bisio.bisio_id = ?";
+			$params[] = $bisio_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,128 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class OutgoingErworbeneEctsFehlenPlausi extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$bisio_id = isset($params['bisio_id']) ? $params['bisio_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getAngerechneteEctsFehlen(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$bisio_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('bisio_id' => $prestudent->bisio_id),
+					'resolution_params' => array('bisio_id' => $prestudent->bisio_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Outgoing should have erworbene ECTS.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param bisio_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getAngerechneteEctsFehlen(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$bisio_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (bisio_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz,
+				stg.studiengang_kz, bisio.bisio_id
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_student stud USING (prestudent_id)
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiensemester sem ON status.studiensemester_kurzbz = sem.studiensemester_kurzbz
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+				JOIN bis.tbl_bisio bisio ON stud.student_uid = bisio.student_uid
+			WHERE
+				bisio.bis IS NOT NULL
+				AND bisio.bis::date <= NOW()
+				AND bisio.bis::date - bisio.von::date >= 29
+				AND bisio.ects_erworben IS NULL
+				AND NOT EXISTS (SELECT 1 FROM public.tbl_prestudentstatus WHERE status_kurzbz = 'Incoming' AND prestudent_id = pre.prestudent_id)
+				AND bisio.von::date < sem.ende AND bisio.bis::date > sem.start
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($bisio_id))
+		{
+			$qry .= " AND bisio.bisio_id = ?";
+			$params[] = $bisio_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -5,12 +5,12 @@
 */
 abstract class PlausiChecker
 {
+	const ISSUE_ID_NAME = 'issue_id';
+
 	protected $_ci; // code igniter instance
 	protected $_config; // all applicable configuration parameters for this plausicheck
 	protected $_db; // database for queries

-	protected $_isForResolutionCheck; // if true, additional parameters only needed for resolution are checked
-
 	protected $_config_params = []; // name of all config params which should be applied for this plausicheck, with sql [name] => [sql]
 	protected $_params_for_checking = []; // name of all passed params for checking, with sql [name] => [sql]

@@ -24,8 +24,6 @@ abstract class PlausiChecker
 		// set configuration
 		$this->_config = $params['configurationParams'] ?? [];

-		$this->_isForResolutionCheck = $params['isForResolutionCheck'] ?? false;
-
 		// get database for queries
 		$this->_db = new DB_Model();
 	}
@@ -41,15 +39,20 @@ abstract class PlausiChecker
 		$params = [];
 		$qry = $this->_base_sql;

-		if ($this->_isForResolutionCheck == true)
+		// if issue id is set, issue is resolving - check if behebung parameter are present
+		if (isset($paramsForChecking[self::ISSUE_ID_NAME]))
 		{
 			foreach ($this->_resolution_params as $resParam)
 			{
 				if (!isset($paramsForChecking[$resParam]))
-					return error("$resParam missing".(isset($paramsForChecking['issue_id']) ? ", issue ID: ".$paramsForChecking['issue_id'] : ""));
+					return error("$resParam missing"
+						.(isset($paramsForChecking[self::ISSUE_ID_NAME]) ? ", issue ID: ".$paramsForChecking[self::ISSUE_ID_NAME] : ""));
 			}
 		}

+		// get fehlertext and resolution params
+
+
 		// add config params to query
 		if (isset($this->_config_params) && !isEmptyArray($this->_config_params))
 		{
@@ -19,12 +19,14 @@ class PrestudentMischformOhneOrgform extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getPrestudentMischformOhneOrgform(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -68,6 +70,7 @@ class PrestudentMischformOhneOrgform extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -98,6 +101,12 @@ class PrestudentMischformOhneOrgform extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND tbl_person.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -18,9 +18,10 @@ class StgPrestudentUngleichStgStudent extends PlausiChecker

 		// pass parameters needed for plausicheck
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$prestudentRes = $this->getStgPrestudentUngleichStgStudent($studiengang_kz, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getStgPrestudentUngleichStgStudent($studiengang_kz, null, $person_id, $exkludierte_studiengang_kz);

 		if (isError($prestudentRes)) return $prestudentRes;

@@ -51,7 +52,7 @@ class StgPrestudentUngleichStgStudent extends PlausiChecker
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
-	public function getStgPrestudentUngleichStgStudent($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
+	public function getStgPrestudentUngleichStgStudent($studiengang_kz = null, $prestudent_id = null, $person_id = null, $exkludierte_studiengang_kz = null)
 	{
 		$params = array();

@@ -79,6 +80,12 @@ class StgPrestudentUngleichStgStudent extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pers.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -18,9 +18,10 @@ class StgPrestudentUngleichStgStudienplan extends PlausiChecker

 		// pass parameters needed for plausicheck
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$prestudentRes = $this->getStgPrestudentUngleichStgStudienplan($studiengang_kz, null, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getStgPrestudentUngleichStgStudienplan($studiengang_kz, null, null, $person_id, $exkludierte_studiengang_kz);

 		if (isError($prestudentRes)) return $prestudentRes;

@@ -56,6 +57,7 @@ class StgPrestudentUngleichStgStudienplan extends PlausiChecker
 		$studiengang_kz = null,
 		$prestudent_id = null,
 		$studienordnung_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -93,6 +95,12 @@ class StgPrestudentUngleichStgStudienplan extends PlausiChecker
 			$params[] = $studienordnung_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND tbl_person.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -18,9 +18,10 @@ class StudentstatusNachAbbrecher extends PlausiChecker

 		// pass parameters needed for plausicheck
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$prestudentRes = $this->getStudentstatusNachAbbrecher($studiengang_kz, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getStudentstatusNachAbbrecher($studiengang_kz, null, $person_id, $exkludierte_studiengang_kz);

 		if (isError($prestudentRes)) return $prestudentRes;

@@ -51,7 +52,7 @@ class StudentstatusNachAbbrecher extends PlausiChecker
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
-	public function getStudentstatusNachAbbrecher($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
+	public function getStudentstatusNachAbbrecher($studiengang_kz = null, $prestudent_id = null, $person_id = null, $exkludierte_studiengang_kz = null)
 	{
 		$params = array();

@@ -79,6 +80,12 @@ class StudentstatusNachAbbrecher extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND prestudent.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class StudienplanUngueltig extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getStudienplanUngueltig(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -69,6 +71,7 @@ class StudienplanUngueltig extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -115,6 +118,12 @@ class StudienplanUngueltig extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND tbl_person.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -0,0 +1,112 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class UhstatPersonkennungFehltCore extends PlausiChecker
+{
+	const PERSONKENNUNG_KENNZEICHEN_TYPEN = ['vbpkAs', 'vbpkBf'];
+
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getUhstatPersonkennungFehlt(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id
+					//'fehlertext_params' => array('person_id' => $prestudent->person_id),
+					//'resolution_params' => array('person_id' => $prestudent->person_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Student should have Personenkennung for UHSTAT reporting.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getUhstatPersonkennungFehlt(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (person_id) prestudent_id, person_id
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_person pers USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+			WHERE
+				stg.melderelevant
+				AND pre.bismelden
+				AND EXISTS (SELECT 1 FROM bis.tbl_uhstat1daten WHERE person_id = pers.person_id)
+				AND (SELECT COUNT (DISTINCT kennzeichentyp_kurzbz) FROM public.tbl_kennzeichen WHERE person_id = pers.person_id AND kennzeichentyp_kurzbz IN ('vbpkAs', 'vbpkBf')) < 2
+				AND pers.ersatzkennzeichen IS NULL";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pers.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,135 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class ZgvDatumInZukunft extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getZgvDatumInZukunft(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('prestudent_id' => $prestudent->prestudent_id),
+					'resolution_params' => array('prestudent_id' => $prestudent->prestudent_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * ZGV date should be in the past.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getZgvDatumInZukunft(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (prestudent_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+			WHERE
+				pre.zgvdatum::date > NOW()
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+			//~ $prevStudiensemesterRes = $this->_ci->StudiensemesterModel->getPreviousFrom($studiensemester_kurzbz);
+
+			//~ if (isError($prevStudiensemesterRes)) return $prevStudiensemesterRes;
+
+			//~ if (hasData($prevStudiensemesterRes))
+			//~ {
+				//~ // if Studiensemester given, check only if has status in current or previous semester
+				//~ $prevStudiensemester = getData($prevStudiensemesterRes)[0]->studiensemester_kurzbz;
+				//~ $qry .= " AND EXISTS (
+							//~ SELECT 1
+							//~ FROM public.tbl_prestudentstatus ps
+							//~ WHERE studiensemester_kurzbz IN (?, ?)
+							//~ AND ps.prestudent_id = pre.prestudent_id
+						//~ )";
+				//~ $params[] = $prevStudiensemester;
+				//~ $params[] = $studiensemester_kurzbz;
+			//~ }
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND pre.prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,118 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class ZgvDatumVorGeburtsdatum extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getZgvDatumVorGeburtsdatum(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('prestudent_id' => $prestudent->prestudent_id),
+					'resolution_params' => array('prestudent_id' => $prestudent->prestudent_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Zgv date should be after birthdate.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getZgvDatumVorGeburtsdatum(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (prestudent_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_person pers USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+			WHERE
+				pre.zgvdatum::date < pers.gebdatum
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND pre.prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pers.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,118 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class ZgvMasterDatumInZukunft extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getZgvMasterDatumInZukunft(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('prestudent_id' => $prestudent->prestudent_id),
+					'resolution_params' => array('prestudent_id' => $prestudent->prestudent_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * ZGV master date should be in the past.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getZgvMasterDatumInZukunft(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (prestudent_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+			WHERE
+				pre.zgvmadatum::date > NOW()
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND pre.prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,118 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class ZgvMasterDatumVorGeburtsdatum extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getZgvMasterDatumVorGeburtsdatum(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('prestudent_id' => $prestudent->prestudent_id),
+					'resolution_params' => array('prestudent_id' => $prestudent->prestudent_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * ZGV master date should be after birthdate.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getZgvMasterDatumVorGeburtsdatum(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (prestudent_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_person pers USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+			WHERE
+				pre.zgvmadatum::date < pers.gebdatum
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND pre.prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,118 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class ZgvMasterDatumVorZgvdatum extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getZgvMasterDatumVorZgvDatum(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('prestudent_id' => $prestudent->prestudent_id),
+					'resolution_params' => array('prestudent_id' => $prestudent->prestudent_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * ZGV master date should be before ZGV date.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getZgvMasterDatumVorZgvDatum(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (prestudent_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+			WHERE
+				pre.zgvmadatum::date < pre.zgvdatum::date
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND pre.prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,129 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class ZuVieleZweckeIncomingPlausi extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$bisio_id = isset($params['bisio_id']) ? $params['bisio_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getFalscherIncomingZweck(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$bisio_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					'fehlertext_params' => array('anzahl' => $prestudent->anzahl),
+					'resolution_params' => array('bisio_id' => $prestudent->bisio_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * There should be exactly one Incoming Zweck.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param bisio_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getFalscherIncomingZweck(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$bisio_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+
+		$params = array();
+		$studiensemester_clause = '';
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$studiensemester_clause = "AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		$qry = "
+		SELECT * FROM (
+			SELECT
+				DISTINCT ON (bisio_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz, stg.studiengang_kz,
+				bisio.bisio_id, (SELECT count(*) FROM bis.tbl_bisio_zweck WHERE bisio_id = bisio.bisio_id) AS anzahl
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_student stud USING (prestudent_id)
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiensemester sem ON status.studiensemester_kurzbz = sem.studiensemester_kurzbz
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+				JOIN bis.tbl_bisio bisio ON stud.student_uid = bisio.student_uid
+			WHERE
+				stg.melderelevant
+				AND pre.bismelden
+				AND status.status_kurzbz = 'Incoming'
+				AND bisio.von::date < sem.ende AND bisio.bis::date > sem.start
+				{$studiensemester_clause}
+		) zwecke
+		WHERE anzahl > 1";
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND zwecke.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($bisio_id))
+		{
+			$qry .= " AND zwecke.bisio_id = ?";
+			$params[] = $bisio_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND zwecke.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND zwecke.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -16,7 +16,7 @@ class CORE_INOUT_0005 implements IIssueResolvedChecker

 		$this->_ci->load->model('codex/Bisio_model', 'BisioModel');

-		// get all Zwecke
+		// get bisio
 		$this->_ci->BisioModel->addSelect('ects_angerechnet');
 		$bisioRes = $this->_ci->BisioModel->loadWhere(array('bisio_id' => $params['bisio_id']));

@@ -1,36 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-/**
- * Geburtsnation missing
- */
-class CORE_PERSON_0005 implements IIssueResolvedChecker
-{
-	public function checkIfIssueIsResolved($params)
-	{
-		if (!isset($params['issue_person_id']) || !is_numeric($params['issue_person_id']))
-			return error('Person Id missing, issue_id: '.$params['issue_id']);
-
-		$this->_ci =& get_instance(); // get code igniter instance
-
-		$this->_ci->load->model('person/Person_model', 'PersonModel');
-
-		// load geburtsnation for the given person
-		$this->_ci->PersonModel->addSelect('geburtsnation');
-		$personRes = $this->_ci->PersonModel->load($params['issue_person_id']);
-
-		if (isError($personRes)) return $personRes;
-
-		if (hasData($personRes))
-		{
-			// get person data
-			$personData = getData($personRes)[0];
-
-			// if geburtsnation present, issue is resolved
-			return success(!isEmptyString($personData->geburtsnation));
-		}
-		else
-			return success(false); // if no person found, not resolved
-	}
-}
@@ -12,16 +12,13 @@ class CORE_STUDENTSTATUS_0004 implements IIssueResolvedChecker
 		if (!isset($params['prestudent_id']) || !is_numeric($params['prestudent_id']))
 			return error('Prestudent Id missing, issue_id: '.$params['issue_id']);

-		if (!isset($params['studiensemester_kurzbz']) || isEmptyString($params['studiensemester_kurzbz']))
-			return error('Studiensemester missing, issue_id: '.$params['issue_id']);
-
 		$this->_ci =& get_instance(); // get code igniter instance

 		$this->_ci->load->library('issues/plausichecks/InaktiverStudentAktiverStatus');

 		// check if issue persists
 		$checkRes = $this->_ci->inaktiverstudentaktiverstatus->getInaktiverStudentAktiverStatus(
-			$params['studiensemester_kurzbz'],
+			null,
 			null,
 			$params['prestudent_id']
 		);
@@ -11,26 +11,4 @@ class Gruppe_model extends DB_Model
 		$this->dbTable = 'public.tbl_gruppe';
 		$this->pk = 'gruppe_kurzbz';
 	}
-
-	public function search($query_words)
-	{
-		$this->addSelect('gruppe_kurzbz,
-											studiengang_kz,
-											semester,
-											bezeichnung,
-											gid,
-											\'false\' as lehrverband');
-		$this->db->where(array('sichtbar' => true, 'aktiv' => true, 'lehre' => true, 'direktinskription' => false, 'semester IS NOT NULL' => null));
-		$this->db->group_start();
-		foreach ($query_words as $word)
-		{
-			$this->db->group_start();
-			$this->db->where('gruppe_kurzbz ILIKE', "%" . $word . "%");
-			$this->db->or_where('bezeichnung ILIKE', "%" . $word . "%");
-			$this->db->group_end();
-		}
-		$this->db->group_end();
-
-		return $this->load();
-	}
 }
@@ -41,29 +41,4 @@ class Lehrverband_model extends DB_Model

 		return $result;
 	}
-
-	public function search($query_words)
-	{
-		$this->addSelect('CONCAT(UPPER(CONCAT(typ, kurzbz)), \'\', semester, verband, COALESCE(gruppe,\'\')) as gruppe_kurzbz,
-												studiengang_kz,
-												semester,
-												tbl_lehrverband.bezeichnung,
-												gid,
-												\'true\' as lehrverband');
-		$this->addJoin('public.tbl_studiengang', 'studiengang_kz');
-		$this->addOrder('verband');
-		$this->addOrder('gruppe');
-		$this->db->where(array('tbl_lehrverband.aktiv' => true));
-
-		$this->db->group_start();
-		foreach ($query_words as $word)
-		{
-			$this->db->group_start();
-			$this->db->where('CONCAT(CONCAT(typ, kurzbz), \'\', semester, verband, COALESCE(gruppe,\'\')) ILIKE', "%" . $word . "%");
-			$this->db->or_where('tbl_lehrverband.bezeichnung ILIKE', "%" . $word . "%");
-			$this->db->group_end();
-		}
-		$this->db->group_end();
-		return $this->load();
-	}
 }
@@ -1,14 +0,0 @@
-<?php
-class BetriebsmittelKalender_model extends DB_Model
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'lehre.tbl_betriebsmittel_kalender';
-		$this->pk = 'betriebsmittel_kalender_id';
-	}
-}
@@ -31,26 +31,4 @@ class Betriebsmittel_model extends DB_Model

 		return $this->execQuery($qry);
 	}
-
-	public function getSchedulableEntriesByDatetimeInterval($from, $to)
-	{
-		$qry = "SELECT
-					*
-				FROM
-					wawi.tbl_betriebsmittel
-				WHERE
-					verplanen=true
-					AND 
-				NOT EXISTS(
-					SELECT 1 FROM lehre.tbl_betriebsmittel_kalender
-					JOIN lehre.tbl_kalender ON tbl_kalender.eindeutige_gruppen_id = tbl_betriebsmittel_kalender.eindeutige_kalender_gruppen_id
-					WHERE
-						betriebsmittel_id=tbl_betriebsmittel.betriebsmittel_id
-					AND tbl_kalender.von <= ?
-					AND tbl_kalender.bis >= ?
-				)";
-
-
-		return $this->execQuery($qry, array($from, $to));
-	}
 }
@@ -1,15 +0,0 @@
-<?php
-class Kalender_Event_Rolle_model extends DB_Model
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'lehre.tbl_kalender_event_rolle';
-		$this->pk = array('rolle_kurzbz');
-		$this->hasSequence = false;
-	}
-}
@@ -1,16 +0,0 @@
-<?php
-class
-Kalender_Event_Teilnehmer_model extends DB_Model
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'lehre.tbl_kalender_event_teilnehmer';
-		$this->pk = array('kalender_event_teilnehmer_id');
-		$this->hasSequence = false;
-	}
-}
@@ -1,15 +0,0 @@
-<?php
-class Kalender_Event_model extends DB_Model
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'lehre.tbl_kalender_event';
-		$this->pk = array('kalender_id');
-		$this->hasSequence = false;
-	}
-}
@@ -1,15 +0,0 @@
-<?php
-class Kalender_Lehreinheit_model extends DB_Model
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'lehre.tbl_kalender_lehreinheit';
-		$this->pk = array('kalender_id','lehreinheit_id');
-		$this->hasSequence = false;
-	}
-}
@@ -1,14 +0,0 @@
-<?php
-class Kalender_Ort_model extends DB_Model
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'lehre.tbl_kalender_ort';
-		$this->pk = 'kalender_ort_id';
-	}
-}
@@ -1,27 +0,0 @@
-<?php
-class Kalender_model extends DB_Model
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'lehre.tbl_kalender';
-		$this->pk = 'kalender_id';
-
-		$this->load->helper('hlp_common');
-	}
-
-	public function generateUniqueGroupId()
-	{
-		while (true) {
-			$uniqueGroupId = generateUUID();
-			$result = $this->loadWhere(['eindeutige_gruppen_id' => $uniqueGroupId]);
-			if (!hasData($result)) {
-				return $uniqueGroupId;
-			}
-		}
-	}
-}
@@ -1,14 +0,0 @@
-<?php
-class Kalenderstatus_model extends DB_Model
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'lehre.tbl_kalender_status';
-		$this->pk = 'status_kurzbz';
-	}
-}
@@ -1,14 +0,0 @@
-<?php
-class Reservierung_Kalender_model extends DB_Model
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'sync.tbl_reservierung_kalender';
-		$this->pk = 'reservierung_kalender_id';
-	}
-}
@@ -1,14 +0,0 @@
-<?php
-class Stundenplandev_Kalender_model extends DB_Model
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'sync.tbl_stundenplandev_kalender';
-		$this->pk = 'stundenplandev_kalender_id';
-	}
-}
@@ -0,0 +1,14 @@
+<?php
+class App_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'system.tbl_app';
+		$this->pk = 'app';
+	}
+}
@@ -0,0 +1,15 @@
+<?php
+class FehlerApp_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'system.tbl_fehler_app';
+		$this->pk = array('fehlercode', 'app');
+		$this->hasSequence = false;
+	}
+}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Alexei Karpenko	2076752f40	Merge branch 'master' into feature-68834/Fehlermonitoring_Issues_weitere_features	2026-05-26 13:30:13 +02:00
Alexei Karpenko	0c002b3969	issue checker: added space between heading and refresh symbol, removed px class for more flexibility	2026-04-29 16:13:46 +02:00
Alexei Karpenko	2307565696	Plausicheckresolverlib: changed comment	2026-04-20 15:37:08 +02:00
Alexei Karpenko	ace2057166	Plausichecks InaktiverStudentAktiverStatus, ZuVieleZweckeIncomingPlausi: ptimized for issue production without Datenverbund, semester for resolving InaktiverStudentAktiverStatus optional	2026-04-17 16:01:33 +02:00
Alexei Karpenko	2428589bca	Issues: Geburtsnation fehlt, Falscher Incoming Zweck: added person Id, added issue checker component to Studierendenverwaltung header, added comments to issues, set some issues to self-resolving, Plausicheck GUI: issues from core, dvuh and bis are displayed	2026-04-16 02:12:01 +02:00
Alexei Karpenko	953a04f24a	added person id param to core plausichecks	2026-04-13 11:37:36 +02:00
Alexei Karpenko	82d640b1f4	plausichecks: uhstatpersonenkennungfehlt issue: removed oe_kurzbz, added datenverbund issues to core plausicheck gui	2026-04-03 11:52:22 +02:00
Alexei Karpenko	5b4e632526	issues, plausichecks: added producer for some core issues, producer lib: fehler with no config mappings are just ignored, plausicheck page optimizations (sorting etc)	2026-03-25 11:44:36 +01:00
Alexei Karpenko	5c2038fb79	Merge branch 'master' into feature-68834/Fehlermonitoring_Issues_weitere_features	2026-03-19 16:54:05 +01:00
Alexei Karpenko	1b400f7d42	issuechecker: made details list optional, producer_controller: default value for apps	2026-02-12 22:36:42 +01:00
Alexei Karpenko	43811d5724	fehler/issue monitoring: enabled resolving/producing by app only, improved error messages, code layout, removed error: fehler to produce is not defined in config	2026-02-12 14:46:49 +01:00
Alexei Karpenko	4c03668082	PlausiIssueProducer Controller: added default run method	2026-02-10 17:34:17 +01:00
Alexei Karpenko	10d52caa98	Issue system: adapted to work with multiple apps per fehler	2026-02-03 15:39:11 +01:00
Alexei Karpenko	2de6278603	IssueChecker: changed expected prop type of isseListStyle and issueListStyleBreakpoints	2026-01-29 11:46:52 +01:00
Alexei Karpenko	85db467cff	issuechecker: layout, commented out _app property	2026-01-28 17:50:37 +01:00
Alexei Karpenko	1c65d6e076	plausicheckproducerlib, plausicheckresolverlib: added comments, resolver lib: loading producer lib only when calling resolvePlausicheckIssues, because producerlib is only needed for self-resolving logic in the resolvePlausicheckIssues method	2026-01-28 17:49:06 +01:00
Alexei Karpenko	f72ea1a655	Pausicheckproducerlib: loading fehler config files with php without code igniter, due to naming index conflicts	2026-01-28 17:28:10 +01:00
Alexei Karpenko	413ccba64b	fehler.php config: changed some fehler to warnings	2026-01-23 14:18:33 +01:00
Alexei Karpenko	9ccbb7b9e2	issuechecker: detailed issue list on click	2026-01-21 16:16:33 +01:00
Alexei Karpenko	d6803a3947	Fehler update: enabled updating of fehler columns, added insertaum, insertvon, updateamum, insertvon	2026-01-20 18:56:43 +01:00
Alexei Karpenko	545e2b0445	Fehlerupdate: additional extension check, fehler_kurzbz optional	2026-01-20 17:02:47 +01:00
Alexei Karpenko	131ec86dee	fehlerupdate: added check for app (existing in database?), code layout	2026-01-19 15:27:54 +01:00
Alexei Karpenko	cd03264ab4	Fehler: added fehlerupdate for adding missing fehler from config files to database	2026-01-16 13:09:11 +01:00
Alexei Karpenko	c6232f7959	plausicheckresolver bugfixes, removed CONFIG_FEHLER_FILENAME constants	2026-01-15 17:08:05 +01:00
Alexei Karpenko	cf2cc796b3	plausicheckproducerlib: extension fehler config files are loaded using code igniter	2026-01-15 16:26:16 +01:00
Alexei Karpenko	475888d4ac	Merge branch 'master' into feature-68834/Fehlermonitoring_Issues_weitere_features	2026-01-14 16:52:55 +01:00
Alexei Karpenko	4b8b3c90fb	plausicheck resolver: by default, all issues for fehlercodes provided in constructor are resolved	2026-01-14 16:15:33 +01:00
Alexei Karpenko	b168ebb5f6	issues: changed logic to read producable issues from config file	2026-01-14 14:13:23 +01:00
Alexei Karpenko	a259db2e7b	issues: renamed method PersonenMitOffenenIssues, added expose to components	2025-12-19 16:09:38 +01:00
Alexei Karpenko	3e77d80d26	Issues: added possibility to display issues only when user is hauptzustaendig	2025-12-18 15:19:02 +01:00
Alexei Karpenko	2d71a436f6	IssueList: possible to pass endpoint dynamically	2025-12-16 17:30:25 +01:00
Alexei Karpenko	026bd6e247	moved issues controller to another folder	2025-12-15 18:00:05 +01:00
Alexei Karpenko	9c37215e62	issues: added issue controller for displaying issues, added issuechecker controller and component	2025-12-15 17:20:56 +01:00
Alexei Karpenko	733a6a8c15	issues: added vue component for displaying issues in a table	2025-11-26 16:28:16 +01:00
Alexei Karpenko	a24483188b	issueproducer: use next studiensemester as well to avoid problems with semester august gap	2025-11-26 16:24:30 +01:00