Ferienverwaltung: CI code: made completely independent from studiengang, legacy code: made backwards compatible by including oe_kurzbz where applicable

Ferien: added to vilesci menu, made oe_kurzbz optional, added default ferientypen, made studiengang_kz column deprecated
Merge branch 'master' into feature-71405/Ferienzeiten
2026-07-20 08:22:17 +00:00 · 2026-05-25 13:52:05 +02:00 · 2026-05-05 18:14:27 +02:00 · 2026-05-05 15:24:43 +02:00 · 2026-03-16 11:14:29 +01:00 · 2026-03-13 16:36:58 +01:00
98 changed files with 2083 additions and 4257 deletions
@@ -1,448 +0,0 @@
-<?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
-	)
-);
@@ -119,6 +119,15 @@ $config['navigation_header'] = array(
 					'requiredPermissions' => array(
 						'lehre/zgvpruefung:r'
 					)
+				),
+				'ferien' => array(
+					'link' => site_url('lehre/Ferienverwaltung'),
+					'description' => 'Ferienverwaltung',
+					'expand' => true,
+					'sort' => 55,
+					'requiredPermissions' => array(
+						'basis/ferien:r'
+					)
 				)
 			)
 		),
@@ -0,0 +1,371 @@
+<?php
+/**
+ * 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
+ * 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');
+
+//use CI3_Events as Events;
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Ferien extends FHCAPI_Controller
+{
+	const DEFAULT_BERECHTIGUNG = 'basis/ferien';
+
+	/**
+	 * Calls the parent's constructor and prepares libraries and phrases
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'getFerien' => self::DEFAULT_BERECHTIGUNG.':r',
+			'getDefaultVonBis' => self::DEFAULT_BERECHTIGUNG.':r',
+			'getOe' => self::DEFAULT_BERECHTIGUNG.':r',
+			'getStudienplaene' => self::DEFAULT_BERECHTIGUNG.':r',
+			'getFerientypen' => self::DEFAULT_BERECHTIGUNG.':r',
+			'insert' => self::DEFAULT_BERECHTIGUNG.':w',
+			'update' => self::DEFAULT_BERECHTIGUNG.':w',
+			'delete' => self::DEFAULT_BERECHTIGUNG.':w'
+		]);
+
+		// Load models
+		$this->load->model('organisation/Ferien_model', 'FerienModel');
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+
+		$this->load->library('PermissionLib');
+
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui'
+		]);
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * Get Ferien
+	 */
+	public function getFerien()
+	{
+		$filterVonDatum = $this->input->get('filterVonDatum');
+		$filterBisDatum = $this->input->get('filterBisDatum');
+
+		if (isset($filterVonDatum) && !is_valid_date($filterVonDatum))
+			return $this->terminateWithError($this->p->t('ui', 'error_invalid_date'), self::ERROR_TYPE_GENERAL);
+
+		if (isset($filterBisDatum) && !is_valid_date($filterBisDatum))
+			return $this->terminateWithError($this->p->t('ui', 'error_invalid_date'), self::ERROR_TYPE_GENERAL);
+
+		$this->FerienModel->addSelect(
+			'tbl_ferien.ferien_id, tbl_ferien.bezeichnung, tbl_ferien.vondatum, tbl_ferien.bisdatum,
+			plan.studienplan_id, oe.oe_kurzbz, fetyp.ferientyp_kurzbz, oe.bezeichnung AS oe_bezeichnung,
+			plan.studienplan_id, plan.bezeichnung AS studienplan_bezeichnung, fetyp.mitarbeiter AS mitarbeiterrelevant,
+			fetyp.studierende AS studierendenrelevant, fetyp.lehre'
+		);
+		$this->FerienModel->addJoin('public.tbl_studiengang stg', 'studiengang_kz', 'LEFT');
+		$this->FerienModel->addJoin('lehre.tbl_studienplan plan', 'studienplan_id', 'LEFT');
+		$this->FerienModel->addJoin('public.tbl_organisationseinheit oe', 'tbl_ferien.oe_kurzbz = oe.oe_kurzbz', 'LEFT');
+		$this->FerienModel->addJoin('lehre.tbl_ferientyp fetyp', 'ferientyp_kurzbz', 'LEFT');
+
+		if (isset($filterVonDatum))
+			$this->FerienModel->db->where('tbl_ferien.bisdatum >=', $filterVonDatum);
+
+		if (isset($filterBisDatum))
+			$this->FerienModel->db->where('tbl_ferien.vondatum <=', $filterBisDatum);
+
+		$this->FerienModel->addOrder('vondatum', 'DESC');
+		$result = $this->FerienModel->load();
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	/**
+	 * Gets default dates (from - to) for filtering Ferien.
+	 */
+	public function getDefaultVonBis()
+	{
+		$defaultVonBis = ['defaultVon' => null, 'defaultBis' => null];
+
+		// get current Studienjahr
+		$this->load->model('organisation/Studienjahr_model', 'StudienjahrModel');
+
+		$result = $this->StudienjahrModel->getAktOrNextStudienjahr(62);
+
+		if (isError($result)) return $this->terminateWithError(getError($result));
+
+		if (hasData($result))
+		{
+			$studienjahr = getData($result)[0];
+			$defaultVonBis['defaultVon'] = $studienjahr->beginn;
+			$defaultVonBis['defaultBis'] = $studienjahr->ende;
+		}
+
+		$this->terminateWithSuccess($defaultVonBis);
+	}
+
+	/**
+	 * Get list of Organisationseinheiten
+	 */
+	public function getOe()
+	{
+		$this->load->model('organisation/Organisationseinheit_model', 'OrganisationseinheitModel');
+
+		//$this->StudiengangModel->addSelect(' tbl_studiengang.*, UPPER(typ::varchar(1) || kurzbz) AS kuerzel');
+		$this->OrganisationseinheitModel->addOrder('organisationseinheittyp_kurzbz, oe_kurzbz');
+		$result = $this->OrganisationseinheitModel->loadWhere(['aktiv' => true]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	/**
+	 * Get list of Studienplaene.
+	 * Studienplaene are returned by Organisationseinheit, von and bis datum.
+	 */
+	public function getStudienplaene()
+	{
+		// check input
+		$oe_kurzbz = $this->input->get('oe_kurzbz');
+		$vondatum = $this->input->get('vondatum');
+		$bisdatum = $this->input->get('bisdatum');
+
+		if (!isset($oe_kurzbz) || isEmptyString($oe_kurzbz))
+			return $this->terminateWithError($this->p->t('ferien', 'error_missingId', ['id' => 'Organisationseinheit']));
+
+		if (isset($vondatum) && !is_valid_date($vondatum))
+			return $this->terminateWithError($this->p->t('ui', 'error_invalid_date'), self::ERROR_TYPE_GENERAL);
+
+		if (isset($bisdatum) && !is_valid_date($bisdatum))
+			return $this->terminateWithError($this->p->t('ui', 'error_invalid_date'), self::ERROR_TYPE_GENERAL);
+
+		// get Studiengang from Oe
+		$result = $this->StudiengangModel->loadWhere(['oe_kurzbz' => $oe_kurzbz]);
+
+		if (isError($result)) return $this->terminateWithError(getError($result));
+		if (!hasData($result)) return $this->terminateWithSuccess([]);
+		$studiengangKzArr = array_column(getData($result), 'studiengang_kz');
+
+		// load models
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+		$this->load->model('organisation/Studienplan_model', 'StudienplanModel');
+
+		// get all Studiensemester in requested date range
+		$result = $this->StudiensemesterModel->getByDateRange($vondatum, $bisdatum);
+		if (isError($result)) return $this->terminateWithError(getError($result));
+		if (!hasData($result)) return $this->terminateWithSuccess([]);
+		$studiensemesterArr = array_column(getData($result), 'studiensemester_kurzbz');
+
+		$studienplaene = [];
+		foreach ($studiengangKzArr as $studiengang_kz)
+		{
+			foreach ($studiensemesterArr as $studiensemester_kurzbz)
+			{
+				// get studienplaene for each Studiengang and Studiensemester
+				$this->StudienplanModel->addDistinct("studienplan_id");
+				$this->StudienplanModel->addSelect("lehre.tbl_studienplan.*");
+				$this->StudienplanModel->addJoin("lehre.tbl_studienordnung", "studienordnung_id");
+				$this->StudienplanModel->addJoin("lehre.tbl_studienplan_semester", "studienplan_id");
+
+				$whereArray = array(
+					"tbl_studienplan.aktiv" => "TRUE",
+					"tbl_studienordnung.studiengang_kz" => $studiengang_kz,
+					"tbl_studienplan_semester.studiensemester_kurzbz" => $studiensemester_kurzbz
+				);
+
+				$result = $this->StudienplanModel->loadWhere($whereArray);
+
+				if (isError($result)) return $this->terminateWithError(getError($result));
+				if (!hasData($result)) continue;
+
+				foreach (getData($result) as $studienplan)
+				{
+					$studienplaene[$studienplan->studienplan_id] = $studienplan;
+				}
+			}
+		}
+
+		$this->terminateWithSuccess($studienplaene);
+	}
+
+	/**
+	 * Get list of Ferientypen
+	 */
+	public function getFerientypen()
+	{
+		$this->load->model('organisation/Ferientyp_model', 'FerientypModel');
+
+		$this->FerientypModel->addOrder('ferientyp_kurzbz');
+		$result = $this->FerientypModel->load();
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	/**
+	 * Add Ferien
+	 */
+	public function insert()
+	{
+		$this->_validate();
+
+		$data = $this->_getData();
+
+		// check permissions for new Ferien
+		if (!$this->permissionlib->isBerechtigt(self::DEFAULT_BERECHTIGUNG, 'suid', $data['oe_kurzbz']))
+			return $this->terminateWithError($this->p->t('ui', 'keineBerechtigung'));
+
+		$data = array_merge($data, ['insertamum' => date('c'), 'insertvon' => getAuthUID()]);
+
+		$id = $this->getDataOrTerminateWithError($this->FerienModel->insert($data));
+
+		$this->terminateWithSuccess(hasData($id) ? getData($id) : null);
+	}
+
+	/**
+	 * Update Ferien
+	 */
+	public function update()
+	{
+		$id = $this->input->post('ferien_id');
+
+		if (!is_numeric($id))
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Ferien Id']), self::ERROR_TYPE_GENERAL);
+
+		$this->_validate();
+
+		$data = $this->_getData();
+
+		// check permissions for existing Ferien
+		$this->_validateBerechtigung('suid', $id);
+
+		// check permissions for new Ferien
+		if (!$this->permissionlib->isBerechtigt(self::DEFAULT_BERECHTIGUNG, 'suid', $data['oe_kurzbz']))
+			return $this->terminateWithError($this->p->t('ui', 'keineBerechtigung'));
+
+		if (isEmptyArray($data)) return $this->terminateWithSuccess(null);
+
+		$data = array_merge($data, ['ferien_id' => $id, 'updateamum' => date('c'), 'updatevon' => getAuthUID()]);
+
+		$result = $this->FerienModel->update($id, $data);
+
+		if (isError($result)) return $this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($id);
+	}
+
+	/**
+	 * Delete Ferien
+	 */
+	public function delete()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('ferien_id', 'Ferien Id', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$ferien_id = $this->input->post('ferien_id');
+
+		$this->_validateBerechtigung('suid', $ferien_id);
+
+		$this->FerienModel->addSelect('ferien_id');
+		$result = $this->FerienModel->load($ferien_id);
+
+		if (!hasData($result)) return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['ferien_id' => $ferien_id]));
+
+		$result = $this->getDataOrTerminateWithError($this->FerienModel->delete($ferien_id));
+
+		$this->terminateWithSuccess();
+	}
+
+	/**
+	 * Validate ferien post input.
+	 */
+	private function _validate()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('vondatum', 'Von Datum', 'required|is_valid_date');
+		$this->form_validation->set_rules('bisdatum', 'Bis Datum', 'required|is_valid_date');
+		$this->form_validation->set_rules('bezeichnung', 'Bezeichnung', 'required|max_length[128]');
+		$this->form_validation->set_rules('oe_kurzbz', 'Organisationseinheit', 'max_length[32]');
+		$this->form_validation->set_rules('studienplan_id', 'Studienplan', 'numeric');
+		$this->form_validation->set_rules('ferientyp_kurzbz', 'Ferientyp', 'max_length[64]');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+	}
+
+	/**
+	 * Checks permission for oe of Ferien. Terminates if unauthorized.
+	 * @param typ permission type suid
+	 * @param ferien_id
+	 * @return void
+	 */
+	private function _validateBerechtigung($typ, $ferien_id)
+	{
+		if (isset($ferien_id))
+		{
+			$this->FerienModel->addSelect('oe_kurzbz');
+			$result = $this->FerienModel->load($ferien_id);
+
+			if (isError($result)) return $this->terminateWithError(getError($result));
+
+			if (hasData($result))
+			{
+				$ferien = getData($result)[0];
+
+				if ($this->permissionlib->isBerechtigt(self::DEFAULT_BERECHTIGUNG, $typ, $ferien->oe_kurzbz)) return;
+			}
+		}
+
+		return $this->terminateWithError($this->p->t('ui', 'keineBerechtigung'));
+	}
+
+	/**
+	 * Gets Ferien data from post input.
+	 */
+	private function _getData()
+	{
+		$data = [];
+
+		$allowed = [
+			'vondatum',
+			'bisdatum',
+			'bezeichnung',
+			'oe_kurzbz',
+			'studienplan_id',
+			'ferientyp_kurzbz'
+		];
+
+		foreach ($allowed as $field)
+		{
+			$data[$field] = $this->input->post($field);
+		}
+
+		return $data;
+	}
+}
@@ -1,200 +0,0 @@
-<?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);
-		}
-	}
-}
@@ -1,104 +0,0 @@
-<?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());
-		}
-	}
-}
@@ -1,17 +0,0 @@
-<?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'
-	//);
-}
@@ -78,32 +78,52 @@ class Dokumente extends FHCAPI_Controller
 			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Studiengang_kz']), self::ERROR_TYPE_GENERAL);

 		$resultPreDoc = $this->_getPrestudentDokumente($prestudent_id);
+
+		$arrayAccepted = [];
 		$person_id = $this->_getPersonId($prestudent_id);

-		$mergedArray = [];
+		$docNames = array_map(function ($item) {
+			return $item->dokument_kurzbz;
+		}, $resultPreDoc);

-		foreach ($resultPreDoc as $pre)
+		foreach($docNames as $doc)
 		{
-			$result = $this->AkteModel->getAktenFAS($person_id, $pre->dokument_kurzbz, $studiengang_kz, $prestudent_id, true);
+			$result = $this->AkteModel->getAktenFAS($person_id, $doc, $studiengang_kz, $prestudent_id, true);

 			if (isError($result))
+			{
 				return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
-
+			}
 			if (hasData($result))
 			{
-				foreach (getData($result) as $doc)
+				$data = getData($result);
+				foreach ($data as $value)
 				{
-					$merged = clone $doc;
-					$merged->docdatum = $pre->docdatum;
-					$merged->insertvonma = $pre->insertvonma;
-					$merged->bezeichnung = $pre->bezeichnung;
-					$mergedArray[] = $merged;
+					array_push($arrayAccepted, $value);
 				}
 			}
-			else
-			{
-				$mergedArray[] = $pre;
+		}
+
+		//Mapping with document_kurzbz
+		$preDocMap = [];
+		foreach ($resultPreDoc as $pre) {
+			$preDocMap[$pre->dokument_kurzbz] = $pre;
+		}
+
+		$mergedArray = [];
+		foreach ($arrayAccepted as $doc) {
+			$merged = clone $doc;
+
+			if (isset($preDocMap[$doc->dokument_kurzbz])) {
+				$merged->docdatum = $preDocMap[$doc->dokument_kurzbz]->docdatum;
+				$merged->insertvonma = $preDocMap[$doc->dokument_kurzbz]->insertvonma;
+				$merged->bezeichnung = $preDocMap[$doc->dokument_kurzbz]->bezeichnung;
+			} else {
+				$merged->akzeptiertdatum = null;
+				$merged->akzeptiertvon = null;
 			}
+
+			$mergedArray[] = $merged;
 		}

 		$this->terminateWithSuccess($mergedArray);
@@ -5,46 +5,58 @@
 */
 class IssueResolver extends IssueResolver_Controller
 {
-	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'
-	);
+	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',
+		);
+	}
 }
@@ -6,7 +6,7 @@
 class PlausiIssueProducer extends PlausiIssueProducer_Controller
 {
 	private $_currentStudiensemester;
-	protected $_apps = 'core';
+	protected $_app = '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->getAktOrNextSemester(62);
+		$studiensemesterRes = $this->StudiensemesterModel->getAkt();
 		if (hasData($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->_fehlerKurzbz = $this->plausicheckdefinitionlib->getFehlerKurzbz();
+		$this->_fehlerLibMappings = $this->plausicheckdefinitionlib->getFehlerLibMappings();
 	}

 	/**
@@ -0,0 +1,44 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * Overview on cronjob logs
+ */
+class Ferienverwaltung extends Auth_Controller
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct(
+			array(
+				'index' => ['basis/ferien:r']
+			)
+		);
+
+		// Loads WidgetLib
+		//$this->load->library('WidgetLib');
+
+		// Loads phrases system
+		$this->loadPhrases(
+			array(
+				'global',
+				'ui'
+				//'ferien'
+			)
+		);
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * Everything has a beginning
+	 */
+	public function index()
+	{
+		$this->load->view('lehre/ferienverwaltung.php');
+	}
+}
@@ -1,57 +0,0 @@
-<?php
-/**
- * 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
- * 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 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));
-	}
-}
@@ -1,46 +0,0 @@
-<?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);
-	}
-}
@@ -88,11 +88,9 @@ 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['tbl_fehler_app.app'] = $app;
+		if (!isEmptyString($app)) $params['app'] = $app;
 		$fehlerRes = $this->FehlerModel->loadWhere($params);

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

-		$fehlerRes = $this->FehlerModel->getByApps($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();

 		$this->outputJson($fehlerRes);
 	}
@@ -5,7 +5,6 @@ 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()
 	{
@@ -17,7 +16,8 @@ class Plausichecks extends Auth_Controller
 		);

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

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

 		// issues array for passing issue texts
 		$allIssues = array();
-
-		$fehler_kurzbz_arr = isEmptyString($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);
-
+		// all fehler kurzbz which are going to be checked
+		$fehlerKurzbz = !isEmptyString($fehler_kurzbz) ? array($fehler_kurzbz) : $this->plausicheckdefinitionlib->getFehlerKurzbz();
+		$fehlerLibMappings = $this->plausicheckdefinitionlib->getFehlerLibMappings();
 		// set Studiengang to null if not passed
 		if (isEmptyString($studiengang_kz)) $studiengang_kz = null;

 		// get the data returned by Plausicheck
-		foreach ($fehlerArr as $fehler)
+		foreach ($fehlerKurzbz as $fehler_kurzbz)
 		{
+			// 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->fehler_kurzbz] = array('fehlercode' => $fehler->fehlercode, 'data' => array());
+			$allIssues[$fehler_kurzbz] = array('fehlercode' => $fehler->fehlercode, 'data' => array());
+
+			// get library name for producing issue
+			$libName = $fehlerLibMappings[$fehler_kurzbz];

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

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

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

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

 		$db = new DB_Model();

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

@@ -5,8 +5,11 @@
 */
 abstract class IssueResolver_Controller extends JOB_Controller
 {
-	// codes of fehler to be resolved
-	protected $_fehlercodes = [];
+	// 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 = [];

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

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

-		// resolve the issues
-		$result = $this->plausicheckresolverlib->resolvePlausicheckIssues();
+		// 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);

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

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

 		$this->logInfo("Plausicheck issue producer job started");
@@ -1,382 +0,0 @@
-<?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);
-	}
-}
@@ -20,10 +20,6 @@ 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();
@@ -95,16 +91,12 @@ class IssuesLib
 			return error("fehlercode_extern missing");

 		// get external fehlercode (unique for each 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]
+		$this->_ci->FehlerModel->addSelect('fehlercode');
+		$fehlerRes = $this->_ci->FehlerModel->loadWhere(
+			array(
+				'fehlercode_extern' => $fehlercode_extern,
+				'app' => $this->_app
+			)
 		);

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

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

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

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

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

 		if (hasData($currStatus))
 		{
-			$currStatusData = getData($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($currStatusData->{self::VERARBEITET_AMUM}))
-			) {
+			if (getData($currStatus)[0]->status_kurzbz == $data['status_kurzbz'])
 				return success("Same status already set");
-			}
 		}
 		else
 			return error("Error when getting status");
@@ -243,10 +228,10 @@ class IssuesLib
 		$inhalt_extern = null
 	) {
 		if (isEmptyString($person_id) && isEmptyString($oe_kurzbz))
-			return error("Person_id or oe_kurzbz must be set, fehlercode: $fehlercode");
+			return error("Person_id or oe_kurzbz must be set.");

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

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

 				$fehlertext = vsprintf($fehlertextVorlage, $fehlertext_params);
 			}
@@ -382,11 +382,7 @@ class StundenplanLib

 		$tz = new DateTimeZone($this->_ci->config->item('timezone'));

-		$ferienEvents = $this->_ci->FerienModel->execReadOnlyQuery("
-		SELECT * 
-		FROM lehre.tbl_ferien
-		WHERE (bisdatum >= ? AND vondatum < ?) AND (studiengang_kz = 0 OR studiengang_kz = ?)
-		", [$start_date, $end_date, $studiengang_kz]);
+		$ferienEvents = $this->_ci->FerienModel->getByDateRange($start_date, $end_date, $studiengang_kz);

 		if (isError($ferienEvents))
 			return $ferienEvents;
@@ -9,40 +9,48 @@ class PlausicheckDefinitionLib
 {
 	// set fehler for core plausichecks
 	// structure: fehler_kurzbz => class (library) name for resolving
-	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',
+	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',
 		'DualesStudiumOhneMarkierung' => 'DualesStudiumOhneMarkierung'
-		//'StudienplanUngueltig',
-		//'BewerberNichtZumRtAngetreten'
+		//'StudienplanUngueltig' => 'StudienplanUngueltig'
+		//'BewerberNichtZumRtAngetreten' => '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 $this->_fehlerKurzbz;
+		return array_keys($this->_fehlerLibMappings);
 	}
 }
@@ -6,43 +6,36 @@ 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 $_apps = []; // apps of fehler to produce
+	private $_isForResolutionCheck = false; // mappings of fehler and libraries for producing them

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

 		$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');

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

 		if (hasData($fehlerkonfigurationRes))
 		{
@@ -53,88 +46,10 @@ 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 saves them in the database.
+	 * Produces multiple plausicheck issues at once and saved them to db.
 	 * @param array $params passed to each plausicheck
 	 * @return result object with occured error and info
 	 */
@@ -144,17 +59,10 @@ class PlausicheckProducerLib
 		$result->errors = [];
 		$result->infos = [];

-		$mappingFehlerKurbz = array_keys($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 $fehler_kurzbz)
+		foreach ($this->_fehlerLibMappings as $fehler_kurzbz => $libName)
 		{
 			$plausicheckRes = $this->producePlausicheckIssue(
+				$libName,
 				$fehler_kurzbz,
 				$params
 			);
@@ -188,23 +96,14 @@ 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 $params parameters passed to issue production method
 	 */
-	public function producePlausicheckIssue($fehler_kurzbz, $params)
+	public function producePlausicheckIssue($libName, $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
-		$libRootPath = isset($mapping[self::EXTENSION_NAME]) ? ExtensionsLib::EXTENSIONS_DIR_NAME . '/' . $mapping[self::EXTENSION_NAME] . '/' : '';
+		$libRootPath = isset($this->_extensionName) ? self::EXTENSIONS_FOLDER . '/' . $this->_extensionName . '/' : '';

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

 		$lowercaseLibName = mb_strtolower($libName);
@@ -234,13 +133,4 @@ 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;
-	}
 }
@@ -9,177 +9,43 @@ 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 $_defaultIssueParams = ['issue_id' => 'issue_id', 'issue_person_id' => 'person_id', 'issue_oe_kurzbz' => 'oe_kurzbz'];
+	private $_codeProducerLibMappings = []; // mappings for issues which are resolved with the same check as they are produced

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

 		$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('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;
-						}
-					}
-				}
-			}
-		}
+		$this->_ci->load->library('issues/PlausicheckProducerLib', ['extensionName' => $this->_extensionName, 'isForResolutionCheck' => true]);
 	}

 	/**
 	 * Reseolves multiple plausicheck issues at once.
-	 * @param array $openIssues passed issues to resolve. If null, issues with fehlercodes in _fehlercodes property are loaded
+	 * @param array $codeLibMappings contains fehler type to check and library responsible for check (fehlercode => libName)
+	 * @param array $openIssues passed issues to resolve
 	 * @return result object with occured error and info
 	 */
-	public function resolvePlausicheckIssues($openIssues = null)
+	public function resolvePlausicheckIssues($openIssues)
 	{
-		// 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(
-				$params,
+				array('issue_id' => $issue->issue_id, 'issue_person_id' => $issue->person_id, 'issue_oe_kurzbz' => $issue->oe_kurzbz),
 				isset($issue->behebung_parameter) ? json_decode($issue->behebung_parameter, true) : array()
 			);

@@ -188,72 +54,69 @@ class PlausicheckResolverLib
 			// ignore if Fehlercode is not in libmappings (shouldn't be checked)
 			if (isset($this->_codeLibMappings[$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;
+				$libName = $this->_codeLibMappings[$issue->fehlercode];

-				if ($producerIsResolver)
+				// 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))
 				{
-					// execute same check as used for issue production
-					$issueResolvedRes = $this->_ci->PlausicheckResolverProducerLib->producePlausicheckIssue(
-						$issue->fehler_kurzbz,
-						$params
-					);
+					// log error and continue with next issue if not
+					$result->errors[] = "Issue library file " . $issuesLibFilePath . " does not exist";
+					continue;
+				}

-					if (isError($issueResolvedRes))
-					{
-						$result->errors[] = getError($issueResolvedRes);
-					}
-					else
-					{
-						$issueResolved = !hasData($issueResolvedRes);
-					}
+				// 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
 				{
-					// if called from extension (extension name set), path includes extension names
-					$libRootPath = isset($extensionName) ? self::EXTENSIONS_FOLDER . '/' . $extensionName . '/' : '';
+					$issueResolved = getData($issueResolvedRes) === true;
+				}
+			}
+			elseif (isset($this->_codeProducerLibMappings[$issue->fehlercode])) // check if it is an issue without explicit resolver, "self-resolving"
+			{
+				$libName = $this->_codeProducerLibMappings[$issue->fehlercode];

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

-					// 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;
-					}
+				if (isError($issueResolvedRes))
+				{
+					$result->errors[] = getError($issueResolvedRes);
+				}
+				else
+				{
+					$issueResolved = !hasData($issueResolvedRes);
 				}
 			}

@@ -23,11 +23,7 @@ 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 = ?",
-		'person_id' => " AND pre.person_id = ?"
-	];
+	protected $_params_for_checking = ['studiengang_kz' => " AND stg.studiengang_kz = ?", 'prestudent_id' => " AND pre.prestudent_id = ?"];
 	protected $_fehlertext_params = ['prestudent_id'];
 	protected $_resolution_params = ['prestudent_id'];
 }
@@ -19,14 +19,12 @@ 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
 		);

@@ -57,7 +55,6 @@ 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
 	 */
@@ -65,7 +62,6 @@ class AbschlussstatusFehlt extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$prestudent_id = null,
-		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -136,12 +132,6 @@ 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 ?";
@@ -19,10 +19,9 @@ 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, $person_id, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getAktSemesterNull($studiensemester_kurzbz, $studiengang_kz, null, $exkludierte_studiengang_kz);

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

@@ -57,17 +56,11 @@ 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,
-		$person_id = null,
-		$exkludierte_studiengang_kz = null
-	) {
+	public function getAktSemesterNull($studiensemester_kurzbz, $studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
+	{
 		$params = array($studiensemester_kurzbz);

 		$qry = "
@@ -96,12 +89,6 @@ 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 ?";
@@ -18,10 +18,9 @@ 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, $person_id, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getAktiverStudentOhneStatus($studiengang_kz, null, $exkludierte_studiengang_kz);

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

@@ -49,11 +48,10 @@ 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, $person_id = null, $exkludierte_studiengang_kz = null)
+	public function getAktiverStudentOhneStatus($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
 	{
 		$params = array();

@@ -90,12 +88,6 @@ 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 ?";
@@ -19,14 +19,12 @@ 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
 		);

@@ -63,7 +61,6 @@ 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
 	 */
@@ -71,7 +68,6 @@ class AktiverStudentstatusOhneKontobuchung extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
-		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -113,13 +109,6 @@ 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 ?";
@@ -19,14 +19,12 @@ 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
 		);

@@ -66,7 +64,6 @@ 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
 	 */
@@ -74,7 +71,6 @@ 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);
@@ -109,12 +105,6 @@ 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 ?";
@@ -19,14 +19,12 @@ 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
 		);

@@ -60,7 +58,6 @@ 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
 	 */
@@ -68,7 +65,6 @@ 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');
@@ -116,12 +112,6 @@ 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 ?";
@@ -19,14 +19,12 @@ 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
 		);

@@ -60,7 +58,6 @@ 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
 	 */
@@ -68,7 +65,6 @@ class DatumAbschlusspruefungFehlt extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$abschlusspruefung_id = null,
-		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -116,12 +112,6 @@ 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 ?";
@@ -19,14 +19,12 @@ 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
 		);

@@ -60,7 +58,6 @@ 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
 	 */
@@ -68,7 +65,6 @@ class DatumSponsionFehlt extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$abschlusspruefung_id = null,
-		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -116,12 +112,6 @@ 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 ?";
@@ -18,10 +18,9 @@ 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, $person_id, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getDatumStudiensemesterFalscheReihenfolge($studiengang_kz, null, $exkludierte_studiengang_kz);

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

@@ -51,16 +50,11 @@ 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,
-		$person_id = null,
-		$exkludierte_studiengang_kz = null
-	) {
+	public function getDatumStudiensemesterFalscheReihenfolge($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
+	{
 		$params = array();

 		// all active students with Status student in current semester
@@ -103,12 +97,6 @@ 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 ?";
@@ -19,14 +19,12 @@ 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
 		);

@@ -63,7 +61,6 @@ 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
 	 */
@@ -71,7 +68,6 @@ class DualesStudiumOhneMarkierung extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
-		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -136,12 +132,6 @@ 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 ?";
@@ -19,14 +19,12 @@ 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
 		);

@@ -57,7 +55,6 @@ 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
 	 */
@@ -65,7 +62,6 @@ class FalscheAnzahlAbschlusspruefungen extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$prestudent_id = null,
-		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -115,12 +111,6 @@ 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 ?";
@@ -19,13 +19,12 @@ 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,
-			$person_id,
+			null,
 			$exkludierte_studiengang_kz
 		);

@@ -19,13 +19,12 @@ 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,
-			$person_id,
+			null,
 			$exkludierte_studiengang_kz
 		);

@@ -1,131 +0,0 @@
-<?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);
-	}
-}
@@ -19,10 +19,9 @@ 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, $person_id, $exkludierte_studiengang_kz);
+		$personRes = $this->getGbDatumWeitZurueck($studiensemester_kurzbz, $studiengang_kz, null, $exkludierte_studiengang_kz);

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

@@ -1,108 +0,0 @@
-<?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);
-	}
-}
@@ -19,14 +19,12 @@ 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
 		);

@@ -60,26 +58,21 @@ 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 = null,
+		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
-		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
-		if (!isset($studiensemester_kurzbz))
-		{
-			$this->_ci->load->model('organisation/studiensemester_model', 'StudiensemesterModel');
-			$aktStudiensemesterRes = $this->_ci->StudiensemesterModel->getAkt();
+		$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);

@@ -110,12 +103,6 @@ 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 ?";
@@ -19,13 +19,12 @@ 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,
-			$person_id,
+			null,
 			$exkludierte_studiengang_kz
 		);

@@ -18,10 +18,9 @@ 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, $person_id, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getIncomingOhneIoDatensatz($studiengang_kz, null, $exkludierte_studiengang_kz);

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

@@ -49,11 +48,10 @@ 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, $person_id = null, $exkludierte_studiengang_kz = null)
+	public function getIncomingOhneIoDatensatz($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
 	{
 		$params = array();

@@ -87,12 +85,6 @@ 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 ?";
@@ -19,14 +19,12 @@ 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
 		);

@@ -57,7 +55,6 @@ 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
 	 */
@@ -65,7 +62,6 @@ class IncomingOrGsFoerderrelevant extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$prestudent_id = null,
-		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -118,12 +114,6 @@ 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 ?";
@@ -19,14 +19,12 @@ 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
 		);

@@ -61,7 +59,7 @@ 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 15.4.2022
+	 * e.g. If student studies in WS2022 datum of status shouldn't be before 15.4.2020
 	 * 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
@@ -73,14 +71,11 @@ 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
@@ -122,12 +117,6 @@ 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))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -143,16 +132,17 @@ class InskriptionVorLetzerBismeldung extends PlausiChecker
 	 */
 	private function _getBisdateFromSemester($studiensemester_kurzbz)
 	{
-		$bisdate = null;
+		$semesterYear = substr($studiensemester_kurzbz, 2, 6);
+		$semesterType = substr($studiensemester_kurzbz, 0, 2);

-		$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 ($semesterType == 'SS')
+		{
+			return date_format(date_create(($semesterYear - 1)."-11-15"), '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;
+		if ($semesterType == 'WS')
+		{
+			return date_format(date_create($semesterYear."-04-15"), 'Y-m-d');
+		}
 	}
 }
@@ -1,125 +0,0 @@
-<?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);
-	}
-}
@@ -18,12 +18,11 @@ 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,
-			$person_id,
+			null,
 			$exkludierte_studiengang_kz
 		);

@@ -19,14 +19,12 @@ 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
 		);

@@ -72,7 +70,6 @@ class OrgformStgUngleichOrgformPrestudent extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
-		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -119,12 +116,6 @@ 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))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -1,129 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-require_once('PlausiChecker.php');
-
-/**
- *
- */
-class OutgoingAngerechneteEctsFehlenPlausi extends PlausiChecker
-{
-	public function executePlausiCheck($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, $params);
-	}
-}
@@ -1,128 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-require_once('PlausiChecker.php');
-
-/**
- *
- */
-class OutgoingAufenthaltfoerderungfehltPlausi extends PlausiChecker
-{
-	public function executePlausiCheck($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, $params);
-	}
-}
@@ -1,128 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-require_once('PlausiChecker.php');
-
-/**
- *
- */
-class OutgoingErworbeneEctsFehlenPlausi extends PlausiChecker
-{
-	public function executePlausiCheck($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]

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

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

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

-		// get fehlertext and resolution params
-
-
 		// add config params to query
 		if (isset($this->_config_params) && !isEmptyArray($this->_config_params))
 		{
@@ -19,14 +19,12 @@ 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
 		);

@@ -70,7 +68,6 @@ class PrestudentMischformOhneOrgform extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
-		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -101,12 +98,6 @@ 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 ?";
@@ -18,10 +18,9 @@ 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, $person_id, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getStgPrestudentUngleichStgStudent($studiengang_kz, null, $exkludierte_studiengang_kz);

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

@@ -52,7 +51,7 @@ 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, $person_id = null, $exkludierte_studiengang_kz = null)
+	public function getStgPrestudentUngleichStgStudent($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
 	{
 		$params = array();

@@ -80,12 +79,6 @@ 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 ?";
@@ -18,10 +18,9 @@ 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, $person_id, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getStgPrestudentUngleichStgStudienplan($studiengang_kz, null, null, $exkludierte_studiengang_kz);

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

@@ -57,7 +56,6 @@ class StgPrestudentUngleichStgStudienplan extends PlausiChecker
 		$studiengang_kz = null,
 		$prestudent_id = null,
 		$studienordnung_id = null,
-		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -95,12 +93,6 @@ 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 ?";
@@ -18,10 +18,9 @@ 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, $person_id, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getStudentstatusNachAbbrecher($studiengang_kz, null, $exkludierte_studiengang_kz);

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

@@ -52,7 +51,7 @@ 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, $person_id = null, $exkludierte_studiengang_kz = null)
+	public function getStudentstatusNachAbbrecher($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
 	{
 		$params = array();

@@ -80,12 +79,6 @@ 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 ?";
@@ -19,14 +19,12 @@ 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
 		);

@@ -71,7 +69,6 @@ class StudienplanUngueltig extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
-		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -118,12 +115,6 @@ 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))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -1,112 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-require_once('PlausiChecker.php');
-
-/**
- *
- */
-class UhstatPersonkennungFehltCore extends PlausiChecker
-{
-	const PERSONKENNUNG_KENNZEICHEN_TYPEN = ['vbpkAs', 'vbpkBf'];
-
-	public function executePlausiCheck($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, $params);
-	}
-}
@@ -1,135 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-require_once('PlausiChecker.php');
-
-/**
- *
- */
-class ZgvDatumInZukunft extends PlausiChecker
-{
-	public function executePlausiCheck($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, $params);
-	}
-}
@@ -1,118 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-require_once('PlausiChecker.php');
-
-/**
- *
- */
-class ZgvDatumVorGeburtsdatum extends PlausiChecker
-{
-	public function executePlausiCheck($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, $params);
-	}
-}
@@ -1,118 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-require_once('PlausiChecker.php');
-
-/**
- *
- */
-class ZgvMasterDatumInZukunft extends PlausiChecker
-{
-	public function executePlausiCheck($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, $params);
-	}
-}
@@ -1,118 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-require_once('PlausiChecker.php');
-
-/**
- *
- */
-class ZgvMasterDatumVorGeburtsdatum extends PlausiChecker
-{
-	public function executePlausiCheck($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, $params);
-	}
-}
@@ -1,118 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-require_once('PlausiChecker.php');
-
-/**
- *
- */
-class ZgvMasterDatumVorZgvdatum extends PlausiChecker
-{
-	public function executePlausiCheck($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, $params);
-	}
-}
@@ -1,129 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-require_once('PlausiChecker.php');
-
-/**
- *
- */
-class ZuVieleZweckeIncomingPlausi extends PlausiChecker
-{
-	public function executePlausiCheck($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 bisio
+		// get all Zwecke
 		$this->_ci->BisioModel->addSelect('ects_angerechnet');
 		$bisioRes = $this->_ci->BisioModel->loadWhere(array('bisio_id' => $params['bisio_id']));

@@ -0,0 +1,36 @@
+<?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($personData->geburtsnation));
+		}
+		else
+			return success(false); // if no person found, not resolved
+	}
+}
@@ -12,13 +12,16 @@ class CORE_STUDENTSTATUS_0004 implements IIssueResolvedChecker
 		if (!isset($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(
-			null,
+			$params['studiensemester_kurzbz'],
 			null,
 			$params['prestudent_id']
 		);
@@ -40,9 +40,7 @@ abstract class AbstractBestandteil implements IValidation
 		
 		if( is_bool($new_value) && ($old_value !== $new_value) ) {
 			$this->modifiedcolumns[$columnname] = $columnname;
-		} else if(is_null($old_value) xor is_null($new_value)) {
-			$this->modifiedcolumns[$columnname] = $columnname;
-		} else if($old_value != $new_value) {
+		} else if($old_value != $new_value) {		
 			$this->modifiedcolumns[$columnname] = $columnname;
 		}
 	}
@@ -137,25 +137,19 @@ EOTXT;
 		return parent::__toString() . $txt;
 	}

-	public function validate()
+	/* public function validate()
 	{
-		$value = $this->vordienstzeit;
-
-		if ($value === null || $value === '') {
-			$result = null;   // allow null value 
-		} else {
-			$result = filter_var($value, FILTER_VALIDATE_INT, [
-				'options' => [
-					'min_range' => 0,
-					'max_range' => 100
-				]
-			]);
-
-			if ($result === false) {				
-				$this->validationerrors[] = 'Vordienstjahre muss eine ganze Zahl (0 bis 100) enthalten oder leer sein.';
-			}
+		if( !(filter_var($this->tage, FILTER_VALIDATE_INT, 
+				array(
+					'options' => array(
+						'min_range' => 1,
+						'max_range' => 50
+					)
+				)
+			)) ) {
+			$this->validationerrors[] = 'Urlaubsanspruch muss eine Tagesanzahl im Bereich 1 bis 50 sein.';
 		}
 		
 		return parent::validate();
-	} 
+	} */
 }
@@ -9,6 +9,52 @@ class Ferien_model extends DB_Model
 	{
 		parent::__construct();
 		$this->dbTable = 'lehre.tbl_ferien';
-		$this->pk = array('studiengang_kz', 'bezeichnung');
+		$this->pk = 'ferien_id';
+	}
+
+	/**
+	 * Loads all Ferien between two dates.
+	 * @param $vondatum
+	 * @param $bisdatum
+	 * @param $studiengang_kz by default, loads only Ferien from oe of 0 Studiengang (and parents)
+	 * @return object success or error
+	 */
+	public function getByDateRange($vondatum, $bisdatum, $studiengang_kz = 0)
+	{
+		if (!is_numeric($studiengang_kz)) return error("Invalid Studiengang Kz");
+		if (!is_valid_date($vondatum)) return error("Invalid von date");
+		if (!is_valid_date($bisdatum)) return error("Invalid bis date");
+
+		// get oe from studiengang
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+		$result = $this->StudiengangModel->loadWhere(['studiengang_kz' => $studiengang_kz]);
+
+		if (isError($result)) return $result;
+		if (!hasData($result)) return success([]);
+
+		$oe_kurzbz = getData($result)[0]->oe_kurzbz;
+
+		// get all parents oes
+		$this->load->model('organisation/Organisationseinheit_model', 'OrganisationseinheitModel');
+		$result = $this->OrganisationseinheitModel->getParents($oe_kurzbz);
+
+		if (isError($result)) return $result;
+		if (!hasData($result)) return success([]);
+
+		$parents = array_column(getData($result), 'oe_kurzbz');
+
+		// get ferien - use oe_kurzbz
+		$qry = "
+			SELECT
+				*
+			FROM
+				lehre.tbl_ferien
+			WHERE
+				bisdatum >= ? AND vondatum < ?
+				AND (oe_kurzbz IS NULL OR oe_kurzbz IN ?)
+			ORDER BY
+				vondatum";
+
+		return $this->execReadOnlyQuery($qry, [$vondatum, $bisdatum, $parents]);
 	}
 }
@@ -1,5 +1,5 @@
 <?php
-class FehlerApp_model extends DB_Model
+class Ferientyp_model extends DB_Model
 {

 	/**
@@ -8,8 +8,8 @@ class FehlerApp_model extends DB_Model
 	public function __construct()
 	{
 		parent::__construct();
-		$this->dbTable = 'system.tbl_fehler_app';
-		$this->pk = array('fehlercode', 'app');
+		$this->dbTable = 'lehre.tbl_ferientyp';
+		$this->pk = 'ferientyp_kurzbz';
 		$this->hasSequence = false;
 	}
-}
+}
@@ -53,11 +53,9 @@ class Studienjahr_model extends DB_Model
 	 * @param int $days
 	 * @return array|stdClass|null
 	 */
-	public function getLastOrAktStudienjahr($days = 60)
+	public function getLastOrAktStudienjahr($days = 0)
 	{
-		if (!is_numeric($days)) {
-			$days = 60;
-		}
+		$days = is_numeric($days) ? $this->escape($days) : 0;

 		$query = '
 			SELECT *
@@ -77,19 +75,25 @@ class Studienjahr_model extends DB_Model
 	 * @param int $days
 	 * @return array|stdClass|null
 	 */
-	public function getAktOrNextStudienjahr($days = 62)
+	public function getAktOrNextStudienjahr($days = 0)
 	{
-		if (!is_numeric($days)) {
-			$days = 62;
-		}
+		$days = is_numeric($days) ? $this->escape($days) : 0;

 		$query = '
-			SELECT *
-			FROM public.tbl_studienjahr
-			JOIN public.tbl_studiensemester using(studienjahr_kurzbz)
-			WHERE start < NOW() + \'' . $days . ' DAYS\'::INTERVAL
-			ORDER by start DESC
-			LIMIT 1
+				SELECT * FROM (
+					SELECT
+						jahr.*, MIN(sem.start) AS beginn,  MAX(sem.ende) AS ende
+					FROM
+						public.tbl_studienjahr jahr
+						JOIN public.tbl_studiensemester sem using(studienjahr_kurzbz)
+					GROUP BY
+						studienjahr_kurzbz
+				) jahre
+				WHERE
+					ende >= NOW() + \'' . $days . ' DAYS\'::INTERVAL
+				ORDER BY
+					ende
+				LIMIT 1
 		';

 		return $this->execQuery($query);
@@ -1,14 +0,0 @@
-<?php
-class App_model extends DB_Model
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'system.tbl_app';
-		$this->pk = 'app';
-	}
-}
@@ -9,44 +9,6 @@ class Fehler_model extends DB_Model
 	{
 		parent::__construct();
 		$this->dbTable = 'system.tbl_fehler';
-		$this->pk = array('fehlercode');
-		$this->hasSequence = false;
-	}
-
-	/**
-	 * Gets all fehler for particular apps.
-	 * @param $apps string of one app or array with multiple
-	 * @return object success or error
-	 */
-	public function getByApps($apps)
-	{
-		if (is_string($apps)) $apps = [$apps];
-
-		$params = [];
-
-		$qry = "
-			SELECT
-				fehlercode, fehler_kurzbz, fehlercode_extern, fehlertext, fehlertyp_kurzbz
-			FROM
-				system.tbl_fehler fe";
-
-		if (!isEmptyArray($apps))
-		{
-			$qry .= "
-				WHERE EXISTS (
-					SELECT 1
-					FROM
-						system.tbl_fehler_app
-					WHERE
-						fehlercode = fe.fehlercode
-						AND app IN ?
-				)";
-
-			$params[] = $apps;
-		}
-
-		$qry .= " ORDER BY fehlercode;";
-
-		return $this->execReadOnlyQuery($qry, $params);
+		$this->pk = 'fehlercode';
 	}
 }
@@ -15,21 +15,17 @@ class Fehlerkonfiguration_model extends DB_Model

 	/**
 	 * Retrieve all set configuration parameters, optionally filtered by app.
-	 * @param string $apps
+	 * @param string $app
 	 * @return object success or error
 	 */
-	public function getKonfiguration($apps = null)
+	public function getKonfiguration($app = null)
 	{
-		if (is_string($apps)) $apps = [$apps];
 		$fehlerkonfiguration = array();

-		$this->addDistinct();
-		$this->addSelect('fehler.fehlercode, konftyp.konfigurationstyp_kurzbz, tbl_fehler_konfiguration.konfiguration, fehler.fehler_kurzbz');
+		$this->addSelect('fehlercode, konfigurationstyp_kurzbz, konfiguration, fehler_kurzbz');
 		$this->addJoin('system.tbl_fehler_konfigurationstyp konftyp', 'konfigurationstyp_kurzbz');
 		$this->addJoin('system.tbl_fehler fehler', 'fehlercode');
-		$this->addJoin('system.tbl_fehler_app fe_app', 'fehlercode');
-		if (isset($apps) && !isEmptyArray($apps)) $this->db->where_in('fe_app.app', $apps);
-		$fehlerkonfigurationRes = $this->load();
+		$fehlerkonfigurationRes = isset($app) ? $this->loadWhere(array('fehler.app' => $app)) : $this->load();

 		if (isError($fehlerkonfigurationRes)) return $fehlerkonfigurationRes;

@@ -11,4 +11,37 @@ class Fehlerkonfigurationstyp_model extends DB_Model
 		$this->dbTable = 'system.tbl_fehler_konfigurationstyp';
 		$this->pk = array('konfigurationstyp_kurzbz');
 	}
+
+	/**
+	 * Retrieve all set configuration parameters, optionally filtered by app.
+	 * @param string $app
+	 * @return object success or error
+	 */
+	public function getKonfiguration($app = null)
+	{
+		$fehlerkonfiguration = array();
+
+		$this->addSelect('fehlercode, konfigurationstyp_kurzbz, konfiguration, fehler_kurzbz');
+		$this->addJoin('system.tbl_fehler_konfigurationstyp konftyp', 'konfigurationstyp_kurzbz');
+		$this->addJoin('system.tbl_fehler fehler', 'fehlercode');
+		$fehlerkonfigurationRes = isset($app) ? $this->loadWhere(array('fehler.app' => $app)) : $this->load();
+
+		if (isError($fehlerkonfigurationRes)) return $fehlerkonfigurationRes;
+
+		if (hasData($fehlerkonfigurationRes))
+		{
+			$fehlerkonfigurationData = getData($fehlerkonfigurationRes);
+			foreach ($fehlerkonfigurationData as $fk)
+			{
+				$konf = json_decode($fk->konfiguration);
+				if (is_array($konf))
+				{
+					$fk->konfiguration = $konf;
+					$fehlerkonfiguration[] = $fk;
+				}
+			}
+		}
+
+		return success($fehlerkonfiguration);
+	}
 }
@@ -12,67 +12,6 @@ class Fehlerzustaendigkeiten_model extends DB_Model
 		$this->pk = 'fehlerzustaendigkeiten_id';
 	}

-	/**
-	 * Get all Fehler for which user is hauptzuständig (is in charge).
-	 * @return object success or error
-	 */
-	public function getFehlerForUserHauptzustaendig()
-	{
-		$params = [getAuthPersonId()];
-
-		$this->load->model('person/Benutzerfunktion_model', 'BenutzerfunktionModel');
-
-		// get oes of uid for which there is a current funktion
-		$all_funktionen_oe_kurzbz = array();
-		$benutzerfunktionRes = $this->BenutzerfunktionModel->getBenutzerFunktionByUid(getAuthUID(), null, date('Y-m-d'), date('Y-m-d'));
-
-		if (isError($benutzerfunktionRes)) return $benutzerfunktionRes;
-
-		if (hasData($benutzerfunktionRes))
-		{
-			foreach (getData($benutzerfunktionRes) as $benutzerfunktion)
-			{
-				$all_funktionen_oe_kurzbz[$benutzerfunktion->oe_kurzbz][] = $benutzerfunktion->funktion_kurzbz;
-			}
-		}
-
-		$query = "WITH zustaendigkeiten AS (
-					SELECT fehlercode,
-						CASE
-							WHEN zst.person_id = ?";
-
-		if (!isEmptyArray($all_funktionen_oe_kurzbz))
-		{
-			$params[] = array_keys($all_funktionen_oe_kurzbz);
-			$query .= " OR (zst.oe_kurzbz IN ? AND zst.funktion_kurzbz IS NULL)  /* if oe is specified in fehler_zustaendigkeiten */";
-
-			// check for each oe for each function if zustaendig
-			foreach ($all_funktionen_oe_kurzbz as $oe_kurzbz => $funktionen_kurzbz)
-			{
-				foreach ($funktionen_kurzbz as $funktion_kurzbz)
-				{
-					$query .= " OR (zst.oe_kurzbz = '$oe_kurzbz' AND zst.funktion_kurzbz = '$funktion_kurzbz')";
-				}
-			}
-		}
-
-		$query .= " THEN TRUE
-					ELSE FALSE
-				END AS \"zustaendig\"
-			FROM system.tbl_fehler_zustaendigkeiten zst
-		)
-		SELECT
-			fehler.fehler_kurzbz, fehler.fehlercode
-		FROM
-			system.tbl_fehler fehler
-			LEFT JOIN zustaendigkeiten USING(fehlercode)
-		WHERE
-			zustaendigkeiten.fehlercode IS NULL
-			OR zustaendigkeiten.zustaendig = TRUE";
-
-		return $this->execReadOnlyQuery($query, $params);
-	}
-
 	/**
 	 * Gets active Mitarbeiter not assigned to a Fehler.
 	 * @param $fehlercode
@@ -20,20 +20,45 @@ class Issue_model extends DB_Model
 	 * @param string $fehlercode_extern
 	 * @return object success with issues or error
 	 */
-	public function getOpenIssues($fehlercodes, $person_id = null, $oe_kurzbz = null, $fehlercode_extern = null, $hauptzustaendig = false)
+	public function getOpenIssues($fehlercodes, $person_id = null, $oe_kurzbz = null, $fehlercode_extern = null)
 	{
+		$params = array();
 		// issue exists for a fehlercode (or fehlercode_extern), person_id, oe_kurzbz, if not verarbeitet yet
-		return $this->_getIssues(
-			$person_id,
-			$oe_kurzbz,
-			$fehlertyp_kurzbz = null,
-			$apps = null,
-			$ist_verarbeitet = false,
-			$behebung_parameter = null,
-			$fehlercodes,
-			$fehlercode_extern,
-			$hauptzustaendig
-		);
+		$qry = 'SELECT
+					iss.issue_id, iss.fehlercode, fe.fehler_kurzbz, iss.inhalt, iss.fehlercode_extern,
+					iss.inhalt_extern, iss.person_id, iss.oe_kurzbz, iss.behebung_parameter,
+					iss.datum, iss.verarbeitetvon, iss.verarbeitetamum
+				FROM
+					system.tbl_issue iss
+					JOIN system.tbl_fehler fe USING (fehlercode)
+				WHERE
+					verarbeitetamum IS NULL';
+
+		if (!isEmptyArray($fehlercodes))
+		{
+			$qry .= ' AND fehlercode IN ?';
+			$params[] = $fehlercodes;
+		}
+
+		if (!isEmptyString($fehlercode_extern))
+		{
+			$qry .= ' AND fehlercode_extern = ?';
+			$params[] = $fehlercode_extern;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= ' AND person_id = ?';
+			$params[] = $person_id;
+		}
+
+		if (isset($oe_kurzbz))
+		{
+			$qry .= ' AND oe_kurzbz = ?';
+			$params[] = $oe_kurzbz;
+		}
+
+		return $this->execQuery($qry, $params);
 	}

 	/**
@@ -44,14 +69,8 @@ class Issue_model extends DB_Model
 	 * @param string $fehlercode_extern if provided, only issues with this external fehlercode are counted (for identifying issues from external systems).
 	 * @return Object success with number of issues or error
 	 */
-	public function getOpenIssueCount(
-		$fehlercode,
-		$person_id = null,
-		$oe_kurzbz = null,
-		$fehlercode_extern = null,
-		$behebung_parameter = null,
-		$hauptzustaendig = false
-	) {
+	public function getOpenIssueCount($fehlercode, $person_id = null, $oe_kurzbz = null, $fehlercode_extern = null, $behebung_parameter = null)
+	{
 		$params = array($fehlercode);
 		// issue exists for a fehlercode (or fehlercode_extern), person_id, oe_kurzbz, if not verarbeitet yet
 		$qry = 'SELECT count(*) as anzahl_open_issues FROM system.tbl_issue
@@ -64,7 +83,7 @@ class Issue_model extends DB_Model
 			$params[] = $fehlercode_extern;
 		}

-		if (isset($person_id) && is_numeric($person_id))
+		if (isset($person_id))
 		{
 			$qry .= ' AND person_id = ?';
 			$params[] = $person_id;
@@ -91,149 +110,4 @@ class Issue_model extends DB_Model

 		return $this->execQuery($qry, $params);
 	}
-
-	/**
-	 * Gets issues which are open, i.e. not resolved.
-	 * @param int $person_id
-	 * @param string $oe_kurzbz
-	 * @param string $fehlertyp_kurzbz
-	 * @param string|array $apps
-	 * @param array $behebung_parameter
-
-	 * @return object success with issues or error
-	 */
-	public function getOpenIssuesByProperties(
-		$person_id = null,
-		$oe_kurzbz = null,
-		$fehlertyp_kurzbz = null,
-		$apps = null,
-		$behebung_parameter = null,
-		$hauptzustaendig = false
-	) {
-		return $this->_getIssues(
-			$person_id,
-			$oe_kurzbz,
-			$fehlertyp_kurzbz,
-			$apps,
-			$ist_verarbeitet = false,
-			$behebung_parameter,
-			$fehlercodes = null,
-			$fehlercode_extern = null,
-			$hauptzustaendig
-		);
-	}
-
-	/**
-	 * Gets issues which are open, i.e. not resolved.
-	 * @param int $person_id
-	 * @param string $oe_kurzbz
-	 * @param string $fehlertyp_kurzbz
-	 * @param array $apps only issues for given apps are retrieved
-	 * @param bool $ist_verarbeitet wether the issue has already been resolved
-	 * @param array $behebung_parameter
-	 * @param array $fehlercodes
-	 * @param string $fehlercode_extern
-	 * @return object success with issues or error
-	 */
-	private function _getIssues(
-		$person_id = null,
-		$oe_kurzbz = null,
-		$fehlertyp_kurzbz = null,
-		$apps = null,
-		$ist_verarbeitet = null,
-		$behebung_parameter = null,
-		$fehlercodes = null,
-		$fehlercode_extern = null,
-		$hauptzustaendig = false
-	) {
-		$params = array();
-
-		$qry = 'SELECT
-					iss.issue_id, iss.fehlercode, fe.fehler_kurzbz, iss.inhalt, iss.fehlercode_extern,
-					iss.inhalt_extern, iss.person_id, iss.oe_kurzbz, iss.behebung_parameter,
-					iss.datum, iss.verarbeitetvon, iss.verarbeitetamum
-				FROM
-					system.tbl_issue iss
-					JOIN system.tbl_fehler fe USING (fehlercode)
-				WHERE
-					TRUE';
-
-		if (isset($person_id) && is_numeric($person_id))
-		{
-			$qry .= ' AND person_id = ?';
-			$params[] = $person_id;
-		}
-
-		if (isset($oe_kurzbz))
-		{
-			$qry .= ' AND oe_kurzbz = ?';
-			$params[] = $oe_kurzbz;
-		}
-
-		if (isset($fehlertyp_kurzbz))
-		{
-			$qry .= ' AND fehlertyp_kurzbz = ?';
-			$params[] = $fehlertyp_kurzbz;
-		}
-
-		if (isset($apps))
-		{
-			if (is_string($apps)) $apps = [$apps];
-
-			if (is_array($apps))
-			{
-				$qry .= ' AND EXISTS (SELECT 1 FROM system.tbl_fehler_app WHERE fehlercode = fe.fehlercode AND app IN ?)';
-				$params[] = $apps;
-			}
-		}
-
-		if (is_bool($ist_verarbeitet))
-		{
-			$qry .= $ist_verarbeitet ? ' AND verarbeitetamum IS NOT NULL' : ' AND verarbeitetamum IS NULL';
-		}
-
-		if (!isEmptyArray($behebung_parameter))
-		{
-			// convert array to JSON string for postgres
-			$behebung_parameter_string = json_encode($behebung_parameter);
-
-			if ($behebung_parameter_string)
-			{
-				// check if jsonb value is equal to the passed parameters array (if value contains array and array contains value)
-				$qry .= ' AND behebung_parameter @> ? AND behebung_parameter <@ ?';
-				$params = array_merge($params, array($behebung_parameter_string, $behebung_parameter_string));
-			}
-		}
-
-		// retrieving only fehler for which user is hauptzuständig
-		if ($hauptzustaendig === true)
-		{
-			$this->load->model('system/Fehlerzustaendigkeiten_model', 'FehlerzustaendigkeitenModel');
-
-			$result = $this->FehlerzustaendigkeitenModel->getFehlerForUserHauptzustaendig();
-
-
-			if (isError($result)) return $result;
-
-			if (hasData($result))
-			{
-				$fehlercodesZust = array_column(getData($result), 'fehlercode');
-				$fehlercodes = isEmptyArray($fehlercodes) ? $fehlercodesZust : array_intersect($fehlercodes, $fehlercodesZust);
-			}
-		}
-
-		if (!isEmptyArray($fehlercodes))
-		{
-			$qry .= ' AND fehlercode IN ?';
-			$params[] = $fehlercodes;
-		}
-
-		if (isset($fehlercode_extern))
-		{
-			$qry .= ' AND fehlercode_extern = ?';
-			$params[] = $fehlercode_extern;
-		}
-
-		return $this->execQuery($qry, $params);
-	}
 }
@@ -0,0 +1,27 @@
+<?php
+	$includesArray = array(
+		'title' => 'Ferienverwaltung',
+		'axios027' => true,
+		'bootstrap5' => true,
+		'fontawesome6' => true,
+		'vue3' => true,
+		'filtercomponent' => true,
+		'navigationcomponent' => true,
+		'tabulator6' => true,
+		'primevue3' => true,
+		//'vuedatepicker11' => true,
+		'customJSModules' => array('public/js/apps/lehre/Ferienverwaltung/Ferienverwaltung.js'),
+		'customCSSs' => array('vendor/vuejs/vuedatepicker_css/main.css')
+	);
+
+	$this->load->view('templates/FHC-Header', $includesArray);
+?>
+
+<div id="main">
+	<div>
+		<ferienverwaltung></ferienverwaltung>
+	</div>
+</div>
+
+<?php $this->load->view('templates/FHC-Footer', $includesArray); ?>
+
@@ -49,8 +49,7 @@ $query .= "
 				inhalt AS \"Inhalt\", inhalt_extern AS \"Inhalt extern\", iss.person_id AS \"PersonId\", iss.oe_kurzbz AS \"OE\",
 				ftyp.bezeichnung_mehrsprachig[".$this->db->escape($language_index)."] AS \"Fehlertyp\",
 				stat.bezeichnung_mehrsprachig[".$this->db->escape($language_index)."] AS \"Fehlerstatus\",
-				verarbeitetvon AS \"Verarbeitet von\",verarbeitetamum AS \"Verarbeitet am\",
-				(SELECT STRING_AGG(app, ', ') FROM system.tbl_fehler_app WHERE fehlercode = fr.fehlercode GROUP BY fehlercode) AS \"Applikation\",
+				verarbeitetvon AS \"Verarbeitet von\",verarbeitetamum AS \"Verarbeitet am\", fr.app AS \"Applikation\",
 				fr.fehlertyp_kurzbz AS \"Fehlertypcode\", iss.status_kurzbz AS \"Statuscode\",
 				pers.vorname AS \"Vorname\", pers.nachname AS \"Nachname\",
 				(
@@ -169,7 +168,7 @@ $query .= 							")

 $query .= ") ";

-if (!isEmptyString($APPS)) $query .= " AND EXISTS (SELECT 1 FROM system.tbl_fehler_app WHERE fehlercode = fr.fehlercode AND app IN ".$APPS.")";
+if (!isEmptyString($APPS)) $query .= " AND fr.app IN ".$APPS;

 $query .= " ORDER BY
 			CASE
@@ -2,8 +2,7 @@

 // get assigned Konfiguration
 $query = "SELECT
-				konftyp.konfigurationstyp_kurzbz, fe.fehlercode, fe.fehler_kurzbz, konf.konfiguration,
-				(SELECT STRING_AGG(app, ', ') FROM system.tbl_fehler_app WHERE fehlercode = fe.fehlercode GROUP BY fehlercode) AS app,
+				konftyp.konfigurationstyp_kurzbz, fe.fehlercode, fe.fehler_kurzbz, konf.konfiguration, fe.app,
 				konftyp.beschreibung AS  konfigurationsbeschreibung, konftyp.konfigurationsdatentyp, fe.fehlertext
 			FROM
 				system.tbl_fehler_konfiguration konf
@@ -1,8 +1,7 @@
 <?php

 // get assigned Zustaendigkeiten
-$query = "SELECT fehlerzustaendigkeiten_id, fe.fehlercode, fe.fehlercode_extern, fehler_kurzbz, fehlertext, fehlertyp_kurzbz,
-			(SELECT STRING_AGG(app, ', ') FROM system.tbl_fehler_app WHERE fehlercode = fe.fehlercode GROUP BY fehlercode) AS app,
+$query = "SELECT fehlerzustaendigkeiten_id, fe.fehlercode, fe.fehlercode_extern, fehler_kurzbz, fehlertext, fehlertyp_kurzbz, fe.app,
       		pers.person_id, pers.vorname, pers.nachname,
       		oe.oe_kurzbz, oe.bezeichnung AS oe_bezeichnung, funk.funktion_kurzbz, funk.beschreibung AS funktion_beschreibung
 			FROM system.tbl_fehler_zustaendigkeiten zst
@@ -24,6 +24,7 @@
 * @create 07-12-2006
 */
 require_once(dirname(__FILE__).'/basis_db.class.php');
+require_once(dirname(__FILE__).'/organisationseinheit.class.php');

 class ferien extends basis_db 
 {
@@ -62,8 +63,50 @@ class ferien extends basis_db
 			$this->errormsg = 'Studiengang_kz ist ungültig';
 			return false;
 		}
+
+		// get oe from studiengang
+		$sql_query="
+			SELECT
+				oe_kurzbz
+			FROM
+				public.tbl_studiengang
+			WHERE
+				studiengang_kz=".$this->db_add_param($stg_kz, FHC_INTEGER)."
+			ORDER BY
+				studiengang_kz";
 		
-		$sql_query="SELECT * FROM lehre.tbl_ferien WHERE studiengang_kz=0 OR studiengang_kz=".$this->db_add_param($stg_kz, FHC_INTEGER)." ORDER BY vondatum;";
+		if (!$this->db_query($sql_query))
+		{
+			$this->errormsg = $this->db_last_error();
+			return false;
+		}
+
+		$oe_kurzbz = '';
+		while ($row = $this->db_fetch_object())
+		{
+			$oe_kurzbz = $row->oe_kurzbz;
+		}
+
+		// get all parents oes
+		$organisationseinheit = new organisationseinheit();
+		$parents = $organisationseinheit->getParents($oe_kurzbz);
+
+		if (!$parents)
+		{
+			$this->errormsg = $parents->errormsg;
+			return false;
+		}
+
+		$sql_query="
+			SELECT
+				*
+			FROM
+				lehre.tbl_ferien
+			WHERE
+				oe_kurzbz IS NULL
+				OR oe_kurzbz IN (".$this->implode4SQL($parents).")
+			ORDER BY
+				vondatum";
 		
 		if (!$this->db_query($sql_query))
 		{
@@ -0,0 +1,79 @@
+/**
+ * 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/>.
+ */
+
+export default {
+	getFerien(filterVonDatum, filterBisDatum) {
+		return {
+			method: 'get',
+			url: 'api/frontend/v1/education/ferien/getFerien',
+			params: {
+				filterVonDatum,
+				filterBisDatum
+			}
+		};
+	},
+	getOe() {
+		return {
+			method: 'get',
+			url: 'api/frontend/v1/education/ferien/getOe'
+		};
+	},
+	getStudienplaene(oe_kurzbz, vondatum, bisdatum) {
+		return {
+			method: 'get',
+			url: 'api/frontend/v1/education/ferien/getStudienplaene',
+			params: {
+				oe_kurzbz,
+				vondatum,
+				bisdatum
+			}
+		};
+	},
+	getFerientypen() {
+		return {
+			method: 'get',
+			url: 'api/frontend/v1/education/ferien/getFerientypen'
+		};
+	},
+	getDefaultVonBis() {
+		return {
+			method: 'get',
+			url: 'api/frontend/v1/education/ferien/getDefaultVonBis'
+		};
+	},
+	insert(params) {
+		return {
+			method: 'post',
+			url: 'api/frontend/v1/education/ferien/insert',
+			params
+		};
+	},
+	update(params) {
+		return {
+			method: 'post',
+			url: 'api/frontend/v1/education/ferien/update',
+			params
+		};
+	},
+	delete(ferien_id) {
+		return {
+			method: 'post',
+			url: 'api/frontend/v1/education/ferien/delete',
+			params: { ferien_id }
+		};
+	}
+};
@@ -1,20 +0,0 @@
-export default {
-
-	checkPerson(person_id)
-	{
-		return {
-			method: 'post',
-			url: '/api/frontend/v1/issues/StudentIssueChecker/checkPerson',  
-			params: { person_id }
-		};
-	},
-	countPersonOpenIssues(person_id)
-	{
-		return {
-			method: 'get',
-			url: '/api/frontend/v1/issues/StudentIssueChecker/countPersonOpenIssues',
-			params: { person_id }
-		};
-	}
-
-}
@@ -1,12 +0,0 @@
-export default {
-
-	getOpenIssuesByProperties(person_id, oe_kurzbz, fehlertyp_kurzbz, apps, behebung_parameter, hauptzustaendig)
-	{
-		return {
-			method: 'get',
-			url: '/api/frontend/v1/issues/Issues/getOpenIssuesByProperties',
-			params: { person_id, oe_kurzbz, fehlertyp_kurzbz, apps, behebung_parameter, hauptzustaendig }
-		};
-	}
-
-}
@@ -0,0 +1,12 @@
+import Ferienverwaltung from '../../../components/Ferienverwaltung/Ferienverwaltung.js';
+import PluginsPhrasen from '../../../plugins/Phrasen.js';
+
+const app = Vue.createApp({
+	name: 'FerienverwaltungApp',
+	components: {
+		Ferienverwaltung
+	}
+});
+app
+	.use(PluginsPhrasen)
+	.mount('#main');
@@ -0,0 +1,295 @@
+import {CoreFilterCmpt} from "../filter/Filter.js";
+import {CoreNavigationCmpt} from "../navigation/Navigation.js";
+import FormInput from "../Form/Input.js";
+import FerienModal from "./Modal.js";
+
+import ApiFerienverwaltung from '../../api/factory/ferienverwaltung/ferienverwaltung.js';
+
+export default {
+	name: "Ferienverwaltung",
+	components: {
+		CoreFilterCmpt,
+		CoreNavigationCmpt,
+		FormInput,
+		FerienModal
+	},
+	data() {
+		return {
+			filterVonDatum: null,
+			filterBisDatum: null,
+			loading: false,
+			sideMenuEntries: {},
+			headerMenuEntries: {},
+			tabulatorOptions: {
+				ajaxURL: 'dummy',
+				ajaxRequestFunc: () => this.$api.call(
+					ApiFerienverwaltung.getFerien(this.filterVonDatum, this.filterBisDatum)
+				),
+				ajaxResponse: (url, params, response) => response.data,
+				columns: [
+					{title:"Ferien Id", field:"ferien_id", visible: false, headerFilter: true},
+					{
+						title:"Datum von",
+						field:"vondatum",
+						headerFilter: true,
+						formatter: function (cell) {
+							const dateStr = cell.getValue();
+							if (!dateStr) return "";
+
+							const date = new Date(dateStr);
+							return date.toLocaleString("de-DE", {
+								day: "2-digit",
+								month: "2-digit",
+								year: "numeric",
+								hour12: false
+							});
+						}
+					},
+					{
+						title:"Datum bis",
+						field:"bisdatum",
+						headerFilter: true,
+						formatter: function (cell) {
+							const dateStr = cell.getValue();
+							if (!dateStr) return "";
+
+							const date = new Date(dateStr);
+							return date.toLocaleString("de-DE", {
+								day: "2-digit",
+								month: "2-digit",
+								year: "numeric",
+								hour12: false
+							});
+						}
+					},
+					{title:"Bezeichnung", field:"bezeichnung", headerFilter: true},
+					{title:"Organisationseinheit Kurzbezeichnung", field:"oe_kurzbz", visible: false, headerFilter: true},
+					{title:"Organisationseinheit", field:"oe_bezeichnung", headerFilter: true},
+					{title:"Studienplan", field:"studienplan_bezeichnung", visible: false, headerFilter: true},
+					{title:"Ferientyp Kurzbezeichnung", field:"ferientyp_kurzbz", visible: false, headerFilter: true},
+					{
+						title:"Mitarbeiterrelevant",
+						field:"mitarbeiterrelevant",
+						visible: false,
+						headerFilter: true,
+						hozAlign: "center",
+						formatter:'tickCross', formatterParams: {
+							tickElement: '<i class="fas fa-check text-success"></i>',
+							crossElement: '<i class="fas fa-times text-danger"></i>'
+						},
+						headerFilter:"tickCross", headerFilterParams: {
+							"tristate":true, elementAttributes:{"value":"true"}
+						},
+						headerFilterEmptyCheck:function(value){return value === null}
+					},
+					{
+						title:"Studierendenrelevant",
+						field:"studierendenrelevant",
+						visible: false,
+						headerFilter: true,
+						hozAlign: "center",
+						formatter:'tickCross', formatterParams: {
+							tickElement: '<i class="fas fa-check text-success"></i>',
+							crossElement: '<i class="fas fa-times text-danger"></i>'
+						},
+						headerFilter:"tickCross", headerFilterParams: {
+							"tristate":true, elementAttributes:{"value":"true"}
+						},
+						headerFilterEmptyCheck:function(value){return value === null}
+					},
+					{
+						title:"Lehre planbar",
+						field:"lehre",
+						visible: false,
+						headerFilter: true,
+						hozAlign: "center",
+						formatter:'tickCross', formatterParams: {
+							tickElement: '<i class="fas fa-check text-success"></i>',
+							crossElement: '<i class="fas fa-times text-danger"></i>'
+						},
+						headerFilter:"tickCross", headerFilterParams: {
+							"tristate":true, elementAttributes:{"value":"true"}
+						},
+						headerFilterEmptyCheck:function(value){return value === null}
+					},
+					{title:"Aktionen", field: "actions",
+						minWidth: 150, // Ensures Action-buttons will be always fully displayed
+						formatter: (cell, formatterParams, onRendered) => {
+							let container = document.createElement('div');
+							container.className = "d-flex gap-2";
+
+							let button = document.createElement('button');
+							button.className = 'btn btn-outline-secondary btn-action';
+							button.innerHTML = '<i class="fa fa-edit"></i>';
+							button.title = this.$p.t('person', 'ferien_edit');
+							button.addEventListener('click', (event) =>
+								this.$refs.modal.open(JSON.parse(JSON.stringify(cell.getData()))) // deep copy
+							);
+							container.append(button);
+
+							button = document.createElement('button');
+							button.className = 'btn btn-outline-secondary';
+							button.innerHTML = '<i class="fa fa-trash"></i>';
+							button.addEventListener('click', evt => {
+								evt.stopPropagation();
+								this.$fhcAlert
+									.confirmDelete()
+									.then(result => result ? cell.getData().ferien_id : Promise.reject({handled:true}))
+									.then(ferien_id => this.$api.call(ApiFerienverwaltung.delete(ferien_id)))
+									.then(() => {
+										//cell.getRow().delete();
+										this.$fhcAlert.alertSuccess(this.$p.t('ui', 'successDelete'));
+										this.reload();
+									})
+									.catch(this.$fhcAlert.handleSystemError);
+							});
+							container.append(button);
+
+							return container;
+						},
+						frozen: true
+					}
+				]
+			},
+			tabulatorEvents: [
+				{
+					event: 'tableBuilt',
+					handler: async () => {
+
+						//await this.$p.loadCategory(['ferien', 'ui']);
+						await this.$p.loadCategory(['global', 'ferien']);
+
+						let cm = this.$refs.table.tabulator.columnManager;
+
+						cm.getColumnByField('ferien_id').component.updateDefinition({
+							title: this.$p.t('ferien', 'ferienId'),
+						});
+						cm.getColumnByField('vondatum').component.updateDefinition({
+							title: this.$p.t('ferien', 'vondatum'),
+						});
+						cm.getColumnByField('bisdatum').component.updateDefinition({
+							title: this.$p.t('ferien', 'bisdatum'),
+						});
+						cm.getColumnByField('bezeichnung').component.updateDefinition({
+							title: this.$p.t('global', 'bezeichnung'),
+						});
+						cm.getColumnByField('oe_kurzbz').component.updateDefinition({
+							title: this.$p.t('ferien', 'oeKurzbezeichnung'),
+						});
+						cm.getColumnByField('oe_bezeichnung').component.updateDefinition({
+							title: this.$p.t('ferien', 'oeBezeichnung'),
+						});
+						cm.getColumnByField('studienplan_bezeichnung').component.updateDefinition({
+							title: this.$p.t('ferien', 'studienplanBezeichnung'),
+						});
+						cm.getColumnByField('ferientyp_kurzbz').component.updateDefinition({
+							title: this.$p.t('ferien', 'ferientypKurzbz'),
+						});
+						cm.getColumnByField('mitarbeiterrelevant').component.updateDefinition({
+							title: this.$p.t('ferien', 'mitarbeiterrelevant'),
+						});
+						cm.getColumnByField('studierendenrelevant').component.updateDefinition({
+							title: this.$p.t('ferien', 'studierendenrelevant'),
+						});
+						cm.getColumnByField('lehre').component.updateDefinition({
+							title: this.$p.t('ferien', 'lehrePlanbar'),
+						});
+						cm.getColumnByField('actions').component.updateDefinition({
+							title: this.$p.t('global', 'aktionen')
+						});
+					}
+				}
+			]
+		}
+	},
+	computed: {
+	},
+	methods: {
+		reload() {
+			this.$refs.table.reloadTable();
+		},
+		actionNew() {
+			this.$refs.modal.open();
+		}
+	},
+	created() {
+
+		this.$api
+			.call(ApiFerienverwaltung.getDefaultVonBis())
+			.then(result => {
+					this.filterVonDatum = result.data.defaultVon;
+					this.filterBisDatum = result.data.defaultBis;
+				}
+			)
+			.catch(error => {
+				if (error)
+					this.$fhcAlert.handleSystemError(error);
+			});
+	},
+	template: `
+
+	<core-navigation-cmpt 
+		v-bind:add-side-menu-entries="sideMenuEntries"
+		v-bind:add-header-menu-entries="headerMenuEntries"
+		>
+	</core-navigation-cmpt>
+
+	<div class="h-100 d-flex flex-column">
+		<div class="row justify-content-center">
+			<div class="col-5">
+				<form-input
+					type="DatePicker"
+					v-model="filterVonDatum"
+					name="filtervondatum"
+					:label="$p.t('ferien/vondatum')"
+					:enable-time-picker="false"
+					text-input
+					format="dd.MM.yyyy"
+					auto-apply
+					>
+				</form-input>
+			</div>
+			<div class="col-5">
+				<form-input
+					type="DatePicker"
+					v-model="filterBisDatum"
+					name="filterbisdatum"
+					:label="$p.t('ferien/bisdatum')"
+					:enable-time-picker="false"
+					text-input
+					format="dd.MM.yyyy"
+					auto-apply
+					>
+				</form-input>
+			</div>
+			<div class="col-1 align-self-end">
+				<button
+					class="btn btn-primary"
+					@click="reload()"
+					:disabled="loading"
+					>
+					<i v-if="loading" class="fa fa-spinner fa-spin"></i>
+					{{ $p.t('ui/anzeigen') }}
+				</button>
+			</div>
+		</div>
+		<div class="row mt-3">
+			<div class="col">
+				<core-filter-cmpt
+					ref="table"
+					table-only
+					:side-menu="false"
+					:tabulator-options="tabulatorOptions"
+					:tabulator-events="tabulatorEvents"
+					reload
+					:reload-btn-infotext="this.$p.t('table', 'reload')"
+					new-btn-show
+					:new-btn-label="$p.t('ui/neu')"
+					@click:new="actionNew"
+					>
+				</core-filter-cmpt>
+				<ferien-modal ref="modal" @saved="reload"></ferien-modal>
+			</div>
+		</div>
+	</div>`
+};
@@ -0,0 +1,190 @@
+import BsModal from "../Bootstrap/Modal.js";
+import BsConfirm from "../Bootstrap/Confirm.js";
+import CoreForm from "../Form/Form.js";
+import FormValidation from "../Form/Validation.js";
+import FormInput from "../Form/Input.js";
+
+import ApiFerien from '../../api/factory/ferienverwaltung/ferienverwaltung.js';
+
+export default {
+	components: {
+		BsModal,
+		CoreForm,
+		FormValidation,
+		FormInput
+	},
+	data() {
+		return {
+			oeList: [],
+			studienplaeneList: [],
+			ferientypList: [],
+			loading: false,
+			data: {},
+		};
+	},
+	computed: {
+	},
+	methods: {
+		save() {
+			this.$refs.form.clearValidation();
+			this.loading = true;
+
+			let saveFunc = this.data.ferien_id ? ApiFerien.update : ApiFerien.insert;
+
+			this.$refs.form
+				.call(saveFunc(this.data))
+				.then(result => {
+					this.$emit('saved', result.data);
+					this.loading = false;
+					this.$refs.modal.hide();
+					this.$fhcAlert.alertSuccess(this.$p.t('ui/gespeichert'));
+				})
+				.catch(error => {
+					if (error)
+						this.$fhcAlert.handleSystemError(error);
+					this.loading = false;
+				});
+		},
+		open(data) {
+			this.$refs.form.clearValidation();
+			this.data = data ?? {
+				oe_kurzbz: null,
+				bezeichnung: '',
+				vondatum: null,
+				bisdatum: null,
+				studienplan_id: null
+			};
+
+			this.$api
+			.call(ApiFerien.getOe())
+			.then(result => {
+					this.oeList = result.data;
+					//this.loading = false;
+				}
+			)
+			.catch(error => {
+				if (error)
+					this.$fhcAlert.handleSystemError(error);
+				//this.loading = false;
+			});
+
+
+			this.getStudienplaene();
+
+			this.$api
+			.call(ApiFerien.getFerientypen())
+			.then(result => {
+					this.ferientypList = result.data;
+				}
+			)
+			.catch(error => {
+				if (error)
+					this.$fhcAlert.handleSystemError(error);
+			});
+
+			this.$refs.modal.show();
+		},
+		getStudienplaene() {
+			if (!this.data.oe_kurzbz) return;
+
+			this.$api
+			.call(ApiFerien.getStudienplaene(this.data.oe_kurzbz, this.data.vondatum, this.data.bisdatum))
+			.then(result => {
+					this.studienplaeneList = result.data;
+				}
+			)
+			.catch(error => {
+				if (error)
+					this.$fhcAlert.handleSystemError(error);
+			});
+		},
+		preventCloseOnLoading(ev) {
+			if (this.loading)
+				ev.returnValue = false;
+		}
+	},
+	template: `
+	<core-form ref="form" class="stv-details-ferien-edit" @submit.prevent="save">
+		<bs-modal ref="modal" @hide-bs-modal="preventCloseOnLoading">
+			<form-validation></form-validation>
+
+			<fieldset :disabled="loading">
+				<form-input
+					type="DatePicker"
+					v-model="data.vondatum"
+					name="vondatum"
+					:label="$p.t('ferien/vondatum')"
+					:enable-time-picker="false"
+					text-input
+					format="dd.MM.yyyy"
+					auto-apply
+					>
+				</form-input>
+
+				<form-input
+					type="DatePicker"
+					v-model="data.bisdatum"
+					name="bisdatum"
+					:label="$p.t('ferien/bisdatum')"
+					:enable-time-picker="false"
+					text-input
+					format="dd.MM.yyyy"
+					auto-apply
+					>
+				</form-input>
+
+				<form-input
+					v-model="data.bezeichnung"
+					name="bezeichnung"
+					:label="$p.t('global/bezeichnung')"
+					>
+				</form-input>
+
+				<form-input
+					type="select"
+					v-model="data.oe_kurzbz"
+					name="oe_kurzbz"
+					:label="$p.t('ferien/organisationseinheit')"
+					@change="getStudienplaene"
+					>
+					<option :value="null">-- {{ $p.t('ui/alle') }} --</option>
+					<option v-for="oe in oeList" :key="oe.oe_kurzbz" :value="oe.oe_kurzbz">
+						{{ oe.organisationseinheittyp_kurzbz + ' ' + oe.bezeichnung }}
+					</option>
+				</form-input>
+
+				<form-input
+					type="select"
+					v-model="data.studienplan_id"
+					name="studienplan_id"
+					:label="$p.t('ferien/studienplan')"
+					>
+					<option :value="null">-- {{ $p.t('ui/keineAuswahl') }} --</option>
+					<option v-for="studienplan in studienplaeneList" :key="studienplan.studienplan_id" :value="studienplan.studienplan_id">
+						{{ studienplan.bezeichnung }}
+					</option>
+				</form-input>
+
+				<form-input
+					type="select"
+					v-model="data.ferientyp_kurzbz"
+					name="ferientyp_kurzbz"
+					:label="$p.t('ferien/ferientypKurzbz')"
+					>
+					<option :value="null">-- {{ $p.t('ui/keineAuswahl') }} --</option>
+					<option v-for="ferientyp in ferientypList" :key="ferientyp.ferientyp_kurzbz" :value="ferientyp.ferientyp_kurzbz">
+						{{ ferientyp.ferientyp_kurzbz }}
+					</option>
+				</form-input>
+
+			</fieldset>
+
+			<template #footer>
+				<button type="submit" class="btn btn-primary" :disabled="loading">
+					<i v-if="loading" class="fa fa-spinner fa-spin"></i>
+					{{ $p.t('ui/speichern') }}
+				</button>
+			</template>
+		</bs-modal>
+	</core-form>`
+};
@@ -1,109 +0,0 @@
-import IssueList from './IssueList.js';
-import DefaultIssueCheckerEndpoint from '../../api/factory/issueChecker.js';
-import DefaultIssueListEndpoint from '../../api/factory/issueList.js';
-
-export default {
-	name: 'IssueChecker',
-	expose: ['countPersonOpenIssues', 'checkPerson'],
-	//emits: ['issuesLoaded'],
-	 components: {
-		IssueList,
-		"p-skeleton": primevue.skeleton,
-		"p-overlaypanel": primevue.overlaypanel
-	 },
-	 props: {
-		person_id: Number,
-		//oe_kurzbz: String,
-		apps: [String, Array],
-		hauptzustaendig: {
-			type: Boolean,
-			default: false
-		},
-		endpoint: {
-			type: Object,
-			required: true,
-			default: DefaultIssueCheckerEndpoint
-		},
-		issueListEndpoint: {
-			type: Object,
-			required: true,
-			default: DefaultIssueListEndpoint
-		},
-		issueListStyle: {
-			type: Object
-		},
-		issueListStyleBreakpoints: {
-			type: Object
-		},
-		includeIssueList: {
-			type: Boolean,
-			default: true
-		},
-	},
-	 data() {
-		return {
-			title: "IssueChecker",
-			currentDate: null,
-			isFetching: false,
-			openissuescount: null
-		}
-	},
-	computed: {
-	},
-	watch: {
-			person_id() {
-				this.countPersonOpenIssues();
-		}
-	},
-	mounted() {
-		this.countPersonOpenIssues();
-	},
-	 methods: {
-
-		countPersonOpenIssues() {
-			this.isFetching = true;
-			this.$api.call(
-				this.endpoint.countPersonOpenIssues(this.person_id, this.hauptzustaendig)
-			)
-			.then(result => {
-				//this.$emit('issuesLoaded', this.issues);
-				this.openissuescount = result.data.openissues;
-				this.isFetching = false;
-			})
-			.catch(this.$fhcAlert.handleSystemError);
-		},
-		checkPerson() {
-			this.isFetching = true;
-			this.$api.call(
-				this.endpoint.checkPerson(this.person_id, this.hauptzustaendig)
-			)
-			.then(result => {
-				//this.$emit('issuesLoaded', this.issues);
-				this.openissuescount = result.data.openissues;
-				this.isFetching = false;
-			})
-			.catch(this.$fhcAlert.handleSystemError);
-		},
-		toggle(event) {
-			this.$refs.issuesOverlay.toggle(event);
-		}
-	 },
-	 template: `
-		<div>
-			<h4 class="mb-1">Issues&nbsp;<a class="refresh-issues" title="erneut prüfen" href="javascript:void(0);" @click="checkPerson"><i class="fas fa-sync"></i></a></h4>
-			<h6 v-if="!isFetching" class="text-muted" :role="includeIssueList ? 'button' : ''" @click="toggle">{{ openissuescount }}</h6>
-			<h6 v-else class="mb-2"><p-skeleton v-if="isFetching" style="width:45%"></p-skeleton></h6>
-		</div>
-
-		<p-overlaypanel ref="issuesOverlay" :style="issueListStyle" :breakpoints="issueListStyleBreakpoints" v-if="includeIssueList">
-			<issue-list
-				ref="issueListRef"
-				:person_id = "person_id"
-				:apps = "apps"
-				:hauptzustaendig = "hauptzustaendig"
-				:endpoint = "issueListEndpoint"
-			>
-			</issue-list>
-		</p-overlaypanel>
-	 `
-}
@@ -1,93 +0,0 @@
-import ApiIssueList from '../../api/factory/issueList.js';
-
-export default {
-	name: 'IssueList',
-	emits: ['issuesLoaded'],
-	expose: ['fetchIssues'],
-	 components: {
-	 },
-	 props: {
-		person_id: Number,
-		oe_kurzbz: String,
-		fehlertyp_kurzbz: String,
-		apps: [String, Array],
-		behebung_parameter: Array,
-		hauptzustaendig: {
-			type: Boolean,
-			default: false
-		},
-		date: null,
-		endpoint: {
-			type: Object,
-			default: ApiIssueList
-		}
-	},
-	 data() {
-		return {
-			title: "Issues",
-			currentDate: null,
-			isFetching: false,
-			issues: null
-		}
-	},
-	computed: {
-		// if any property changes, get issues again
-		propertiesChanged() {
-		  return `${this.person_id}|${this.oe_kurzbz}|${this.fehlertyp_kurzbz}||${this.apps}|${this.behebung_parameter}`;
-		},
-	  },
-	watch: {
-		propertiesChanged(newVal, oldVal) {
-			this.fetchIssues();
-		},
-	  },
-	mounted() {
-		this.currentDate = this.date || new Date();
-		this.fetchIssues();
-	},
-	 methods: {
-
-		 fetchIssues() {
-			this.isFetching = true;
-			this.$api.call(
-				this.endpoint.getOpenIssuesByProperties(
-					this.person_id,
-					this.oe_kurzbz,
-					this.fehlertyp_kurzbz,
-					this.apps,
-					this.behebung_parameter,
-					this.hauptzustaendig
-				)
-			)
-			.then(result => {
-				this.issues = result.data;
-				this.$emit('issuesLoaded', this.issues);
-				this.isFetching = false;
-			})
-			.catch(this.$fhcAlert.handleSystemError);
-		},
-		formatDate(ds) {
-			if (ds == undefined) return '';
-			var d = new Date(ds);
-			return d.getDate()  + "." + (d.getMonth()+1) + "." + d.getFullYear()
-		}
-	 },
-	 template: `
-		<div v-if="isFetching" class="spinner-border" role="status">
-			<span class="visually-hidden">Loading...</span>
-		</div>
-		<div v-if="!isFetching && issues!=null && issues!=[]">
-			<table class="table table-bordered">
-				<tbody>
-					<tr><th>Datum</th><th>Inhalt</th></tr>
-					<tr v-for="(item, index) in issues" :key="item.issue_id">
-						<td>{{ formatDate(item.datum) }}</td>
-						<td>{{ item.inhalt }} <br>
-							<slot name="additionalText" v-bind="item"></slot>
-						</td>
-					</tr>
-				</tbody>
-			</table>
-		</div>
-	 `
-}
@@ -1,6 +1,5 @@
 import FhcTabs from "../../Tabs.js";
 import FhcHeader from "../../DetailHeader/DetailHeader.js";
-import IssueChecker from "../../Issues/IssueChecker.js";

 import ApiStvApp from '../../../api/factory/stv/app.js';

@@ -11,8 +10,7 @@ export default {
 	name: "DetailsPrestudent",
 	components: {
 		FhcTabs,
-		FhcHeader,
-		IssueChecker
+		FhcHeader
 	},
 	data() {
 		return {
@@ -106,13 +104,6 @@ export default {
 				<template #valueBetaTile>{{tile_MatrNr}}</template>
 				<template #titleGammaTile>PersKz</template>
 				<template #valueGammaTile>{{tile_PersKz}}</template>
-				<template #issues>
-					<issue-checker
-						ref="issueCheckerRef"
-						:person_id="students[0].person_id"
-						:apps="['core', 'dvuh', 'bis']"
-						>
-					</issue-checker></template>
 			</fhc-header>
 			<fhc-tabs
 				v-if="students.length == 1"
@@ -94,7 +94,7 @@ require_once('dbupdate_3.4/71399_dashboard_update_widget_paths.php');
 require_once('dbupdate_3.4/71645_studvw_messagetab_ladezeit.php');
 require_once('dbupdate_3.4/71566_studienordnungsdokument_neuer_organisationseinheitstyp_programm.php');
 require_once('dbupdate_3.4/70376_lohnguide.php');
-require_once('dbupdate_3.4/68834_fehlermonitoring_issues_weitere_features.php');
+require_once('dbupdate_3.4/71405_ferienzeiten.php');

 // *** Pruefung und hinzufuegen der neuen Attribute und Tabellen
 echo '<H2>Pruefe Tabellen und Attribute!</H2>';
@@ -257,7 +257,7 @@ $tabellen=array(
 	"lehre.tbl_anrechnung_begruendung"  => array("begruendung_id","bezeichnung"),
 	"lehre.tbl_anrechnungszeitraum"  => array("anrechnungszeitraum_id","studiensemester_kurzbz","anrechnungstart","anrechnungende", "insertamum", "insertvon"),
 	"lehre.tbl_betreuerart"  => array("betreuerart_kurzbz","beschreibung","aktiv"),
-	"lehre.tbl_ferien"  => array("bezeichnung","studiengang_kz","vondatum","bisdatum"),
+	"lehre.tbl_ferien"  => array("ferien_id","bezeichnung","studiengang_kz","vondatum","bisdatum","oe_kurzbz","studienplan_id","ferientyp_kurzbz","insertamum","insertvon","updateamum","updatevon"),
 	"lehre.tbl_lehreinheit"  => array("lehreinheit_id","lehrveranstaltung_id","studiensemester_kurzbz","lehrfach_id","lehrform_kurzbz","stundenblockung","wochenrythmus","start_kw","raumtyp","raumtypalternativ","sprache","lehre","anmerkung","unr","lvnr","updateamum","updatevon","insertamum","insertvon","ext_id","lehrfach_id_old","gewicht"),
 	"lehre.tbl_lehreinheitgruppe"  => array("lehreinheitgruppe_id","lehreinheit_id","studiengang_kz","semester","verband","gruppe","gruppe_kurzbz","updateamum","updatevon","insertamum","insertvon","ext_id"),
 	"lehre.tbl_lehreinheitmitarbeiter"  => array("lehreinheit_id","mitarbeiter_uid","lehrfunktion_kurzbz","semesterstunden","planstunden","stundensatz","faktor","anmerkung","bismelden","updateamum","updatevon","insertamum","insertvon","ext_id","standort_id","vertrag_id"),
@@ -419,9 +419,8 @@ $tabellen=array(
 	"system.tbl_benutzerrolle"  => array("benutzerberechtigung_id","rolle_kurzbz","berechtigung_kurzbz","uid","funktion_kurzbz","oe_kurzbz","art","studiensemester_kurzbz","start","ende","negativ","updateamum", "updatevon","insertamum","insertvon","kostenstelle_id","anmerkung"),
 	"system.tbl_berechtigung"  => array("berechtigung_kurzbz","beschreibung"),
 	"system.tbl_extensions" => array("extension_id","name","version","description","license","url","core_version","dependencies","enabled"),
-	"system.tbl_fehler" => array("fehlercode","fehler_kurzbz","fehlercode_extern","fehlertext","fehlertyp_kurzbz","app","insertamum","insertvon","updateamum","updatevon"),
+	"system.tbl_fehler" => array("fehlercode","fehler_kurzbz","fehlercode_extern","fehlertext","fehlertyp_kurzbz","app"),
 	"system.tbl_fehlertyp" => array("fehlertyp_kurzbz","bezeichnung_mehrsprachig"),
-	"system.tbl_fehler_app" => array("fehlercode","app","insertamum","insertvon"),
 	"system.tbl_fehler_konfiguration" => array("konfigurationstyp_kurzbz","fehlercode","konfiguration","insertamum","insertvon","updateamum","updatevon"),
 	"system.tbl_fehler_konfigurationsdatentyp" => array("konfigurationsdatentyp"),
 	"system.tbl_fehler_konfigurationstyp" => array("konfigurationstyp_kurzbz","beschreibung","konfigurationsdatentyp","app"),
@@ -1,51 +0,0 @@
-<?php
-if (! defined('DB_NAME')) exit('No direct script access allowed');
-
-// ADD COLUMNS insertamum, insertvon, updateamum, updatevon to system.tbl_fehler
-if(!$result = @$db->db_query("SELECT insertamum FROM system.tbl_fehler LIMIT 1"))
-{
-	$qry = "ALTER TABLE system.tbl_fehler ADD COLUMN insertamum timestamp DEFAULT now();
-			ALTER TABLE system.tbl_fehler ADD COLUMN insertvon varchar(32);
-			ALTER TABLE system.tbl_fehler ADD COLUMN updateamum timestamp DEFAULT now();
-			ALTER TABLE system.tbl_fehler ADD COLUMN updatevon varchar(32);";
-
-	if(!$db->db_query($qry))
-		echo '<strong>system.tbl_fehler '.$db->db_last_error().'</strong><br>';
-	else
-		echo '<br>Spalten insertamum, insertvon, updateamum, updatevon in system.tbl_fehler hinzugefügt';
-}
-
-if (!$result = @$db->db_query('SELECT 1 FROM system.tbl_fehler_app LIMIT 1'))
-{
-	$qry = 'CREATE TABLE system.tbl_fehler_app
-			(
-				fehlercode varchar(64),
-				app varchar(32) NOT NULL,
-				insertamum timestamp DEFAULT now(),
-				insertvon varchar(32)
-			);
-
-			COMMENT ON TABLE system.tbl_fehler_app IS \'Fehler app Zuordnungen\';
-			COMMENT ON COLUMN system.tbl_fehler_app.fehlercode IS \'Fehler\';
-			COMMENT ON COLUMN system.tbl_fehler_app.app IS \'dem Fehler zugeweisene App\';
-
-			ALTER TABLE system.tbl_fehler_app ADD CONSTRAINT pk_fehler_app PRIMARY KEY (fehlercode, app);
-			ALTER TABLE system.tbl_fehler_app ADD CONSTRAINT fk_fehler_app_app FOREIGN KEY (app) REFERENCES system.tbl_app(app) ON UPDATE CASCADE ON DELETE RESTRICT;
-			ALTER TABLE system.tbl_fehler_app ADD CONSTRAINT fk_fehler_app_fehlercode FOREIGN KEY (fehlercode) REFERENCES system.tbl_fehler(fehlercode) ON UPDATE CASCADE ON DELETE CASCADE;
-
-			GRANT SELECT, UPDATE, INSERT, DELETE ON system.tbl_fehler_app TO web;
-			GRANT SELECT, UPDATE, INSERT, DELETE ON system.tbl_fehler_app TO vilesci;
-
-			-- prefill values
-			INSERT INTO system.tbl_fehler_app(fehlercode, app, insertvon)
-				SELECT fehlercode, app, \'dbupdate\' FROM system.tbl_fehler;
-
-			-- remove not null constraint from old table
-			ALTER TABLE system.tbl_fehler ALTER COLUMN app DROP NOT NULL;
-		';
-
-	if(!$db->db_query($qry))
-		echo '<strong>system.tbl_fehler_app: '.$db->db_last_error().'</strong><br>';
-	else
-		echo ' system.tbl_fehler_app: Tabelle hinzugefuegt<br>';
-}
@@ -264,8 +264,8 @@ CREATE TABLE IF NOT EXISTS hr.tbl_vertragsbestandteil_lohnguide (
    stellenbezeichnung varchar(255),
    fachrichtung_kurzbz character varying(32) NOT NULL,
    modellstelle_kurzbz character varying(32) NOT NULL,
-    kommentar_person text,
-    kommentar_modellstelle text,
+    kommentar_person varchar(255),
+    kommentar_modellstelle varchar(255),
    CONSTRAINT tbl_vertragsbestandteil_lohnguide_pk PRIMARY KEY (vertragsbestandteil_id),
 	CONSTRAINT tbl_vertragsbestandteil_fk FOREIGN KEY (vertragsbestandteil_id) REFERENCES hr.tbl_vertragsbestandteil (vertragsbestandteil_id) MATCH FULL ON DELETE RESTRICT ON UPDATE CASCADE,
 	CONSTRAINT tbl_vertragsbestandteil_lohnguide_fachrichtung_fk FOREIGN KEY (fachrichtung_kurzbz) REFERENCES hr.tbl_lohnguide_fachrichtung (fachrichtung_kurzbz) MATCH FULL ON DELETE RESTRICT ON UPDATE CASCADE,
@@ -0,0 +1,206 @@
+<?php
+if (! defined('DB_NAME')) exit('No direct script access allowed');
+
+//Add column ferien_id to lehre.tbl_ferien
+if(!@$db->db_query("SELECT ferien_id FROM lehre.tbl_ferien LIMIT 1"))
+{
+	$qry = 'ALTER TABLE lehre.tbl_ferien ADD COLUMN ferien_id integer;';
+
+	if(!$db->db_query($qry))
+		echo '<strong> lehre.tbl_ferien '.$db->db_last_error().'</strong><br>';
+	else
+		echo '<br>lehre.tbl_ferien: Neue Spalte ferien_id hinzugefügt';
+}
+
+//Column ferien_id mit Werten befüllen
+if($result = @$db->db_query("SELECT ferien_id FROM lehre.tbl_ferien where ferien_id is not null LIMIT 1"))
+{
+	if ($db->db_num_rows($result) == 0)
+	{
+		$qry = 'UPDATE lehre.tbl_ferien et SET ferien_id =
+		(SELECT rownumber FROM (SELECT ROW_NUMBER() OVER (ORDER BY bezeichnung, studiengang_kz)
+			AS rownumber, t.* FROM lehre.tbl_ferien t ORDER BY bezeichnung, studiengang_kz) rn
+			WHERE rn.bezeichnung = et.bezeichnung
+			AND rn.studiengang_kz = et.studiengang_kz);
+			';
+
+		if(!$db->db_query($qry))
+			echo '<strong> lehre.tbl_ferien '.$db->db_last_error().'</strong><br>';
+		else
+			echo '<br>lehre.tbl_ferien: Spalte bis.tbl_ferien_id mit Werten aufgefüllt';
+	}
+}
+
+//Create Sequence lehre.tbl_ferien and grant Rights
+if ($result = @$db->db_query("SELECT * FROM pg_class WHERE relname = 'tbl_ferien_ferien_id_seq'"))
+{
+	if ($db->db_num_rows($result) == 0)
+	{
+		if ($count = @$db->db_query("SELECT * FROM lehre.tbl_ferien"))
+		{
+			$count = $db->db_num_rows($count) + 1;
+			$qry = 'CREATE SEQUENCE lehre.tbl_ferien_ferien_id_seq START ';
+			$qry .= $count;
+			if(!$db->db_query($qry))
+			{
+				echo '<strong> lehre.tbl_ferien '.$db->db_last_error().'</strong><br>';
+			}
+			else
+			{
+				echo '<br>lehre.tbl_ferien: Sequence lehre.tbl_ferien_ferien_id_seq mit Startwert ' . $count . ' erstellt';
+				$qry2 = "GRANT SELECT, UPDATE ON lehre.tbl_ferien_ferien_id_seq TO vilesci;
+						GRANT SELECT, UPDATE ON lehre.tbl_ferien_ferien_id_seq TO web;";
+				if(!$db->db_query($qry2))
+				{
+					echo '<strong>lehre.tbl_ferien_ferien_id_seq Berechtigungen: '.$db->db_last_error().'</strong><br>';
+				}
+				else
+				{
+					echo '<br>lehre.tbl_ferien: Rechte auf lehre.tbl_ferien_ferien_id_seq fuer web user und vilesci gesetzt ';
+				}
+			}
+
+		}
+	}
+}
+
+//lehre.tbl_ferien auf NOT NULL setzen
+if ($result = @$db->db_query("SELECT is_nullable FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = 'tbl_ferien' AND column_name = 'ferien_id' and is_nullable = 'NO'"))
+{
+	if($db->db_num_rows($result)==0)
+	{
+		$qry = 'ALTER TABLE lehre.tbl_ferien ALTER COLUMN ferien_id SET NOT NULL';
+
+		if(!$db->db_query($qry))
+		echo '<strong> lehre.tbl_ferien '.$db->db_last_error().'</strong><br>';
+			else
+		echo '<br>lehre.tbl_ferien: Spalte bis.tbl_ferien_id auf NOT NULL gesetzt';
+	}
+}
+
+//lehre.tbl_ferien DEFAULT einstellen
+if ($result = @$db->db_query("SELECT column_default FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = 'tbl_ferien' AND column_name = 'ferien_id' and column_default is null"))
+{
+	if($db->db_num_rows($result)==1)
+	{
+		$qry = "ALTER TABLE lehre.tbl_ferien ALTER COLUMN ferien_id SET DEFAULT nextval('lehre.tbl_ferien_ferien_id_seq'::regclass);";
+
+		if(!$db->db_query($qry))
+			echo '<strong> lehre.tbl_ferien '.$db->db_last_error().'</strong><br>';
+		else
+			echo '<br> lehre.tbl_ferien: Defaultwert bei Spalte bis.tbl_ferien_id gesetzt';
+	}
+}
+
+//DELETE Constraint PRIMARY KEY pk_tbl_ferien (bezeichnung, studiengang_kz) entfernen
+if ($result = @$db->db_query("SELECT conname FROM pg_constraint WHERE conname = 'pk_tbl_ferien'"))
+{
+	if($db->db_num_rows($result)==1)
+	{
+		$qry = "ALTER TABLE lehre.tbl_ferien DROP CONSTRAINT pk_tbl_ferien;";
+
+		if (!$db->db_query($qry))
+			echo '<strong>lehre.tbl_ferien: '.$db->db_last_error().'</strong><br>';
+		else
+			echo '<br>lehre.tbl_ferien: Primary Key pk_tbl_ferien (bezeichnung, studiengang_kz) entfernt ';
+	}
+}
+
+// ADD PRIMARY KEY tbl_ferien_pk to lehre.tbl_ferien
+if ($result = @$db->db_query("SELECT conname FROM pg_constraint WHERE conname = 'tbl_ferien_pk'"))
+{
+	if ($db->db_num_rows($result) == 0)
+	{
+		$qry = "ALTER TABLE lehre.tbl_ferien ADD CONSTRAINT tbl_ferien_pk PRIMARY KEY(ferien_id);";
+
+		if (!$db->db_query($qry))
+			echo '<strong>slehre.tbl_ferien: '.$db->db_last_error().'</strong><br>';
+		else
+			echo '<br>lehre.tbl_ferien: Primary Key tbl_ferien_pk (ferien_id) hinzugefügt';
+	}
+}
+
+// add new fields to tbl_ferien, migrate data (add oe_kurzbz data), mark studiengang_kz as deprecated
+if(!$result = @$db->db_query("SELECT oe_kurzbz FROM lehre.tbl_ferien LIMIT 1"))
+{
+	$qry = "ALTER TABLE lehre.tbl_ferien
+			ADD COLUMN IF NOT EXISTS oe_kurzbz VARCHAR(32),
+			ADD COLUMN IF NOT EXISTS studienplan_id SMALLINT DEFAULT NULL,
+			ADD CONSTRAINT tbl_ferien_studienplan_fk
+				FOREIGN KEY (studienplan_id)
+				REFERENCES lehre.tbl_studienplan(studienplan_id)
+				ON UPDATE CASCADE ON DELETE RESTRICT,
+			ADD CONSTRAINT tbl_ferien_oe_kurzbz_fk
+				FOREIGN KEY (oe_kurzbz)
+				REFERENCES public.tbl_organisationseinheit(oe_kurzbz)
+				ON UPDATE CASCADE ON DELETE RESTRICT,
+			ADD COLUMN IF NOT EXISTS insertamum timestamp DEFAULT NOW(),
+			ADD COLUMN IF NOT EXISTS insertvon VARCHAR(32),
+			ADD COLUMN IF NOT EXISTS updateamum timestamp,
+			ADD COLUMN IF NOT EXISTS updatevon VARCHAR(32);
+			UPDATE lehre.tbl_ferien
+			SET oe_kurzbz = (
+				SELECT
+					CASE
+						WHEN studiengang_kz = 0
+						THEN NULL
+						ELSE oe_kurzbz
+					END
+				FROM
+					public.tbl_studiengang
+				WHERE
+					studiengang_kz = tbl_ferien.studiengang_kz
+			)
+			WHERE oe_kurzbz IS NULL AND studiengang_kz IS NOT NULL;
+			ALTER TABLE lehre.tbl_ferien ALTER COLUMN studiengang_kz DROP NOT NULL;
+			COMMENT ON COLUMN lehre.tbl_ferien.studiengang_kz IS 'DEPRECATED';";
+
+	if(!$db->db_query($qry))
+		echo '<strong>lehre.tbl_ferien: '.$db->db_last_error().'</strong><br>';
+	else
+		echo '<br>lehre.tbl_ferien columns oe_kurzbz, studienplan_id, insertamum, insertvon, updateamum, updatevon hinzugefuegt';
+}
+
+// Creates table lehre.tbl_ferientyp if it doesn't exist and grants privileges
+if (!$result = @$db->db_query('SELECT 0 FROM lehre.tbl_ferientyp WHERE 0 = 1'))
+{
+	$qry = 'CREATE TABLE lehre.tbl_ferientyp (
+				ferientyp_kurzbz VARCHAR(64),
+				beschreibung VARCHAR(256) NOT NULL,
+				mitarbeiter boolean NOT NULL,
+				studierende boolean NOT NULL,
+				lehre boolean NOT NULL
+			);
+
+			COMMENT ON TABLE lehre.tbl_ferientyp IS \'Typ-Tabelle zum Speichern von Informationen zu Ferien.\';
+			COMMENT ON COLUMN lehre.tbl_ferientyp.ferientyp_kurzbz IS \'Typ der Ferien.\';
+			COMMENT ON COLUMN lehre.tbl_ferientyp.mitarbeiter IS \'Ob die Ferien für MitarbeiterInnen relevant sind.\';
+			COMMENT ON COLUMN lehre.tbl_ferientyp.studierende IS \'Ob die Ferien für Studierende relevant sind.\';
+			COMMENT ON COLUMN lehre.tbl_ferientyp.lehre IS \'Ob Lehre in den Ferien verplant werden kann.\';
+
+			ALTER TABLE lehre.tbl_ferientyp ADD CONSTRAINT pk_tbl_ferientyp PRIMARY KEY (ferientyp_kurzbz);
+
+			ALTER TABLE lehre.tbl_ferien ADD COLUMN IF NOT EXISTS ferientyp_kurzbz VARCHAR(64) DEFAULT NULL;
+
+			ALTER TABLE lehre.tbl_ferien ADD CONSTRAINT tbl_lehre_ferien_ferientyp_kurzbz_fk FOREIGN KEY (ferientyp_kurzbz)
+			REFERENCES lehre.tbl_ferientyp (ferientyp_kurzbz) MATCH FULL
+			ON DELETE SET NULL ON UPDATE CASCADE;
+			INSERT INTO lehre.tbl_ferientyp (ferientyp_kurzbz, beschreibung, mitarbeiter, studierende, lehre)
+			VALUES(\'Feiertag\', \'Gesetzliche und andere Feiertage\', true, true, false);
+			INSERT INTO lehre.tbl_ferientyp (ferientyp_kurzbz, beschreibung, mitarbeiter, studierende, lehre)
+			VALUES(\'Ferien\', \'Ferientage\', true, true, false);
+			INSERT INTO lehre.tbl_ferientyp (ferientyp_kurzbz, beschreibung, mitarbeiter, studierende, lehre)
+			VALUES(\'Info\', \'Weitere Zeiten für Ereignisse, z.B. Sportwoche, Ausgleichswoche... \', true, true, false);
+	';
+
+	if (!$db->db_query($qry))
+		echo '<strong>lehre.tbl_ferientyp: '.$db->db_last_error().'</strong><br>';
+	else
+		echo '<br>lehre.tbl_ferientyp table created';
+
+	$qry = 'GRANT SELECT, UPDATE, INSERT, DELETE ON TABLE lehre.tbl_ferientyp TO vilesci;';
+	if (!$db->db_query($qry))
+		echo '<strong>lehre.tbl_ferientyp: '.$db->db_last_error().'</strong><br>';
+	else
+		echo '<br>Granted privileges to <strong>vilesci</strong> on lehre.tbl_ferientyp';
+}
@@ -58177,26 +58177,288 @@ I have been informed that I am under no obligation to consent to the transmissio
 		)
 	),
 	// ### Phrases Dashboard Admin END
+	// ### Ferien START
 	array(
 		'app' => 'core',
-		'category' => 'ui',
-		'phrase' => 'error_invalidId',
+		'category' => 'ferien',
+		'phrase' => 'ferienId',
 		'insertvon' => 'system',
 		'phrases' => array(
 			array(
 				'sprache' => 'German',
-				'text' => 'Id {id} ungültig',
+				'text' => 'Ferien Id',
 				'description' => '',
 				'insertvon' => 'system'
 			),
 			array(
 				'sprache' => 'English',
-				'text' => 'Invalid Id {id}',
+				'text' => 'Holiday Id',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'ferien',
+		'phrase' => 'vondatum',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Datum von',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'From date',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'ferien',
+		'phrase' => 'bisdatum',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Datum bis',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'To date',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'ferien',
+		'phrase' => 'organisationseinheit',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => "Organisationseinheit",
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => "Organisational unit",
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'ferien',
+		'phrase' => 'oeKurzbezeichnung',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => "Organisationseinheit Kurzbezeichung",
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => "Organisational unit short name",
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'ferien',
+		'phrase' => 'oeBezeichnung',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Organisationseinheit Bezeichnung',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'Organizational unit name',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'ferien',
+		'phrase' => 'studienplan',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Studienplan',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'Study plan',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'ferien',
+		'phrase' => 'studienplanBezeichnung',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Studienplan Bezeichnung',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'Study plan name',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'ferien',
+		'phrase' => 'ferientypKurzbz',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Ferientyp Bezeichnung',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'Holiday type name',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'ferien',
+		'phrase' => 'mitarbeiterrelevant',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Mitarbeiterrelevant',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'Employee relevant',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'ferien',
+		'phrase' => 'studierendenrelevant',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Studierendenrelevant',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'Student relevant',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'ferien',
+		'phrase' => 'lehrePlanbar',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Lehre planbar',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'Classes assignable',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'ferien',
+		'phrase' => 'ferien_edit',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'edit holidays',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'Ferien bearbeiten',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'ui',
+		'phrase' => 'keineAuswahl',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'keine Auswahl',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'no selection',
 				'description' => '',
 				'insertvon' => 'system'
 			)
 		)
 	)
+	// ### Ferien END
 );


@@ -125,11 +125,13 @@
 		}
 		else
 		{
-			$sql_query="INSERT INTO lehre.tbl_ferien (studiengang_kz, bezeichnung, vondatum, bisdatum) VALUES(
+			$sql_query="INSERT INTO lehre.tbl_ferien (studiengang_kz, bezeichnung, vondatum, bisdatum, oe_kurzbz) VALUES(
 			".$db->db_add_param($_POST['studiengang_kz'], FHC_INTEGER).",
 			".$db->db_add_param($_POST['bezeichnung']).",
 			".$db->db_add_param($datum_obj->formatDatum($_POST['vondatum'],'Y-m-d')).",
-			".$db->db_add_param($datum_obj->formatDatum($_POST['bisdatum'],'Y-m-d')).");";
+			".$db->db_add_param($datum_obj->formatDatum($_POST['bisdatum'],'Y-m-d')).",
+			CASE WHEN ".$db->db_add_param($_POST['studiengang_kz'], FHC_INTEGER)." = 0 THEN NULL
+			ELSE (SELECT oe_kurzbz FROM public.tbl_studiengang WHERE studiengang_kz = ".$db->db_add_param($_POST['studiengang_kz'], FHC_INTEGER).") END);";
 			//echo $sql_query;
 			$db->db_query($sql_query);
 			$stg_kz = $_POST['studiengang_kz'];
@@ -251,7 +253,7 @@
 			{
 				echo '
 					<tr>
-						<td>'.$db->convert_html_chars($stg_arr[$row->studiengang_kz]).'</td>
+						<td>'.$db->convert_html_chars($stg_arr[$row->studiengang_kz] ?? '').'</td>
 						<td>'.$db->convert_html_chars($row->vondatum).'</td>
 						<td>'.$db->convert_html_chars($row->bisdatum).'</td>
 						<td>'.$db->convert_html_chars($row->bezeichnung).'</td>';
Author	SHA1	Message	Date
Alexei Karpenko	bfdec12c0e	Ferienverwaltung: CI code: made completely independent from studiengang, legacy code: made backwards compatible by including oe_kurzbz where applicable	2026-05-25 13:52:05 +02:00
Alexei Karpenko	179386bea9	Ferien: added to vilesci menu, made oe_kurzbz optional, added default ferientypen, made studiengang_kz column deprecated	2026-05-05 18:14:27 +02:00
Alexei Karpenko	8ae3afa98a	Merge branch 'master' into feature-71405/Ferienzeiten	2026-05-05 15:24:43 +02:00
Alexei Karpenko	4a4731e619	Ferien: adapted StudienplanLib to new table structure with oe_kurzbz	2026-03-16 11:14:29 +01:00
Alexei Karpenko	0e4c7dcd14	Ferien: prefilled oe_kurzbz column, stundenplan: adapted to get ferien by oe_kurzbz of studiengang	2026-03-13 16:36:58 +01:00
Alexei Karpenko	a68b730ce0	Ferien: bugfix permission check (is_valid_date), added phrases	2026-03-11 17:09:30 +01:00
Alexei Karpenko	cdcc734401	Merge branch 'master' into feature-71405/Ferienzeiten	2026-03-11 15:01:42 +01:00
Alexei Karpenko	f9b9fc1124	Ferien: added permission checks for oes	2026-03-10 17:24:28 +01:00
Alexei Karpenko	976ef1f975	Ferienverwaltung: added new fields Organisationseinheit, Studienplan, added new table and field ferientyp, filtering by date instead of Studiengang	2026-03-03 23:07:22 +01:00
Alexei Karpenko	f42ef3d5b6	Ferienzeiten list: added possibility to update entries	2026-02-25 14:35:13 +01:00
Alexei Karpenko	c47a1cb627	Ferienverwaltung: created page with VUE Js, displaying Ferien and adding, deleting	2026-02-23 18:40:37 +01:00
Alexei Karpenko	a57df7862c	Ferienverwaltung: added new sequential primary key ferien_id, added primary constraint	2026-02-19 17:08:43 +01:00