mirror of
https://github.com/FH-Complete/FHC-Core.git
synced 2026-06-12 09:39:28 +00:00
Andreas Moik
193 lines
6.0 KiB
PHP
193 lines
6.0 KiB
PHP
<?php
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/* Copyright (C) 2015 FH Technikum-Wien
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*
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* Authors: Andreas Moik <moik@technikum-wien.at>,
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*
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* Beschreibung:
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* Dieses Skript prueft die Datenbank auf Aenderungen bezueglich eine_uid, dabei werden fehlende Attribute angelegt.
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*/
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require_once('../config/system.config.inc.php');
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require_once('../include/basis_db.class.php');
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$db = new basis_db();
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echo '<html>
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<head>
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<title>CS-EineUid</title>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<link rel="stylesheet" href="../skin/vilesci.css" type="text/css" />
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</head>
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<body>';
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$all_tables_to_update =
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array
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(
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"bis.tbl_bisio",
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"campus.tbl_lvgesamtnote",
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"campus.tbl_studentbeispiel",
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"campus.tbl_studentuebung",
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"campus.tbl_legesamtnote",
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);
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if(!isset($_POST["action"]) || $_POST["action"] != "start")
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{
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$needed = false;
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foreach($all_tables_to_update as $t)
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{
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if(checkForUpdates($db, $t))
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$needed = true;
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}
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if($needed)
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{
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echo "<h2 style='color:red;'>ACHTUNG!</h2>";
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echo "<h3>Folgendes wird geändert:</h3>";
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echo "<p>";
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foreach($all_tables_to_update as $t)
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describeOneChange($db, $t);
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echo "</p>";
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echo "<form action='dbupdate_eine_uid.php' method='POST' name='startform'><input type='submit' value='start' name='action'></form>";
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}
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else
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{
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echo "<h2>Es sind keine Änderungen vorzunehmen!</h2>";
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}
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}
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else
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{
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echo '<H1>Systemcheck!</H1>';
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echo '<H2>DB-Updates!</H2>';
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// *** Pruefung und hinzufuegen der neuen Attribute und Tabellen
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echo '<H2>Pruefe Tabellen und Attribute!</H2>';
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foreach($all_tables_to_update as $t)
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modifyOneTable($db, $t);
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}
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function describeOneChange($db, $tablename)
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{
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if(!$result = @$db->db_query("SELECT prestudent_id FROM ".$tablename." LIMIT 1;"))
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{
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echo "<div>".$tablename.": student_uid wird <strong style='color:red;'>gelöscht</strong>!</div>";
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echo "<div>".$tablename.": prestudent_id wird <strong style='color:green;'>eingefügt</strong>!</div>";
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}
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}
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function checkForUpdates($db, $tablename)
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{
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if(!$result = @$db->db_query("SELECT prestudent_id FROM ".$tablename." LIMIT 1;"))
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{
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return true;
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}
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return false;
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}
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function modifyOneTable($db, $tablename)
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{
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if(!$result = @$db->db_query("SELECT prestudent_id FROM ".$tablename." LIMIT 1;"))
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{
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//spalte einfuegen
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$add_qry = 'BEGIN; ALTER TABLE '.$tablename.' ADD COLUMN prestudent_id int;
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UPDATE '.$tablename.' SET prestudent_id = (SELECT prestudent_id FROM public.tbl_student WHERE student_uid='.$tablename.'.student_uid);';
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$db->db_query($add_qry);
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//constraints: prestudent_id FK, prestudent_id NOT NULL
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$constraint_qry = 'ALTER TABLE '.$tablename.' ALTER COLUMN prestudent_id SET NOT NULL;
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ALTER TABLE '.$tablename.' ADD CONSTRAINT prestudent_id FOREIGN KEY (prestudent_id) REFERENCES public.tbl_prestudent (prestudent_id);';
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if(!$db->db_query($constraint_qry))
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{
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echo '<strong>'.$tablename.': '.$db->db_last_error().'</strong><br>';
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}
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else
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{
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echo ' '.$tablename.': Spalte prestudent_id hinzugefuegt!<br>';
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echo ' '.$tablename.': Spalte student_uid auf prestudent_id geändert!<br>';
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echo ' '.$tablename.': Spalte prestudent_id constraints eingefuegt!<br>';
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//student_uid löschen
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$qry = 'ALTER TABLE '.$tablename.' DROP COLUMN student_uid;';
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if(!$db->db_query($qry))
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{
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echo '<strong>'.$tablename.': '.$db->db_last_error().'</strong><br>';
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echo '<strong>'.$tablename.': ACHTUNG! In diesem Fall sollte prestudent_id ordnungsgemäß eingetragen sein, jedoch student_uid nicht gelöscht worden sein. Das Skript erneut zu starten wird nicht funktionieren!</strong><br>';
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}
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else
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{
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echo ' '.$tablename.': Spalte student_uid gelöscht!<br>';
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$db->db_query("COMMIT;");
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return;
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}
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}
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}
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$db->db_query("ROLLBACK;");
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}
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$tabellen=array(
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"bis.tbl_bisio" => array("bisio_id","mobilitaetsprogramm_code","nation_code","von","bis","zweck_code","updateamum","updatevon","insertamum","insertvon", "ext_id","ort","universitaet","lehreinheit_id","prestudent_id"),
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"campus.tbl_lvgesamtnote" => array("lehrveranstaltung_id","studiensemester_kurzbz","note","mitarbeiter_uid","benotungsdatum","freigabedatum","bemerkung","freigabevon_uid","prestudent_id","punkte","ext_id","updateamum","updatevon","insertamum","insertvon"),
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);
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echo '<H2>Gegenpruefung!</H2>';
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$error=false;
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$sql_query="SELECT schemaname,tablename FROM pg_catalog.pg_tables WHERE schemaname != 'pg_catalog' AND schemaname != 'information_schema' AND schemaname != 'sync' AND schemaname != 'addon';";
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if (!$result=@$db->db_query($sql_query))
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echo '<BR><strong>'.$db->db_last_error().' </strong><BR>';
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else
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while ($row=$db->db_fetch_object($result))
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{
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$fulltablename=$row->schemaname.'.'.$row->tablename;
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if (isset($tabellen[$fulltablename]))
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if (!$result_fields=@$db->db_query("SELECT * FROM $fulltablename LIMIT 1;"))
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echo '<BR><strong>'.$db->db_last_error().' </strong><BR>';
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else
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for ($i=0; $i<$db->db_num_fields($result_fields); $i++)
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{
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$found=false;
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$fieldnameDB=$db->db_field_name($result_fields,$i);
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foreach ($tabellen[$fulltablename] AS $fieldnameARRAY)
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if ($fieldnameDB==$fieldnameARRAY)
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{
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$found=true;
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break;
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}
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if (!$found)
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{
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echo 'Attribut '.$fulltablename.'.<strong>'.$fieldnameDB.'</strong> existiert in der DB, aber nicht in diesem Skript!<BR>';
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$error=true;
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}
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}
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}
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if($error==false)
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echo '<br>Gegenpruefung fehlerfrei';
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echo '</body></html>';
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?>
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