upgrade

plugin/migrationmoodle/uninstall.php

@@ -0,0 +1,57 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+use Chamilo\CoreBundle\Entity\ExtraField;
+
+$plugin = MigrationMoodlePlugin::create();
+
+try {
+    removeExtraField();
+    removePluginTables();
+
+    $plugin->uninstallHook();
+} catch (Exception $exception) {
+    $message = sprintf(
+        $plugin->get_lang('UninstallError'),
+        $exception->getMessage()
+    );
+
+    echo Display::return_message($message, 'error');
+}
+
+/**
+ * @throws \Doctrine\ORM\ORMException
+ * @throws \Doctrine\ORM\OptimisticLockException
+ */
+function removeExtraField()
+{
+    $em = Database::getManager();
+
+    /** @var ExtraField $extraField */
+    $extraField = $em
+        ->getRepository('ChamiloCoreBundle:ExtraField')
+        ->findOneBy(['variable' => 'moodle_password', 'extraFieldType' => ExtraField::USER_FIELD_TYPE]);
+
+    if ($extraField) {
+        $em
+            ->createQuery('DELETE FROM ChamiloCoreBundle:ExtraFieldValues efv WHERE efv.field = :field')
+            ->execute(['field' => $extraField]);
+
+        $em->remove($extraField);
+        $em->flush();
+    }
+}
+
+/**
+ * Drop database table created by this plugin.
+ */
+function removePluginTables()
+{
+    $queries = [];
+    $queries[] = "DROP TABLE IF EXISTS plugin_migrationmoodle_item";
+    $queries[] = "DROP TABLE IF EXISTS plugin_migrationmoodle_task";
+
+    foreach ($queries as $query) {
+        Database::query($query);
+    }
+}