Merge pull request #5558 from christianbeeznest/ofaj-21680-2

Migration: Fix orphaned folder deletion in c_document - refs BT#21680

src/CoreBundle/Migrations/Schema/V200/Version20201212203600.php

@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+/* For licensing terms, see /license.txt */
+
+namespace Chamilo\CoreBundle\Migrations\Schema\V200;
+
+use Chamilo\CoreBundle\Migrations\AbstractMigrationChamilo;
+use Doctrine\DBAL\Schema\Schema;
+
+final class Version20201212203600 extends AbstractMigrationChamilo
+{
+    public function getDescription(): string
+    {
+        return 'Validate and delete orphaned records from c_document with path starting with /shared_folder_session_';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // Validate orphaned records
+        $sql = "SELECT cd1.iid, cd1.path, cd1.c_id
+                FROM c_document cd1
+                LEFT JOIN c_document cd2 ON cd2.c_id = cd1.c_id AND cd2.path = SUBSTRING_INDEX(cd1.path, '/', 2)
+                WHERE cd1.path LIKE '/shared_folder_session_%'
+                AND cd2.iid IS NULL";
+        $result = $this->connection->executeQuery($sql);
+        $orphans = $result->fetchAllAssociative();
+
+        if (!empty($orphans)) {
+            // Delete orphaned records
+            $deleteSql = "DELETE cd1 FROM c_document cd1
+                    LEFT JOIN c_document cd2 ON cd2.c_id = cd1.c_id AND cd2.path = SUBSTRING_INDEX(cd1.path, '/', 2)
+                    WHERE cd1.path LIKE '/shared_folder_session_%'
+                    AND cd2.iid IS NULL";
+            $this->addSql($deleteSql);
+        }
+    }
+
+    public function down(Schema $schema): void
+    {
+        // No down migration provided
+    }
+}