fix(migrations): duplicated preference

Signed-off-by: Benjamin Gaussorgues <[email protected]>

lib/Migration/Version30000Date20240417075404.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Photos\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Migrate the photosSourceFolder user config to photosSourceFolders
+ */
+class Version30000Date20240417075404 extends SimpleMigrationStep {
+	public function __construct(
+		private IDBConnection $db,
+	) {
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure(): ISchemaWrapper $schemaClosure
+	 * @param array $options
+	 */
+	public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
+		$select = $this->db->getQueryBuilder();
+		$select->select('userid')
+			->from('preferences')
+			->where($select->expr()->eq('appid', $select->expr()->literal('photos')))
+		    ->andWhere($select->expr()->eq('configkey', $select->expr()->literal('photosSourceFolders')));
+
+		// Remove old entries for users who already have the new one
+		$delete = $this->db->getQueryBuilder();
+		$delete->delete('preferences')
+			->where($delete->expr()->eq('appid', $delete->expr()->literal('photos')))
+			->andWhere($delete->expr()->eq('configkey', $delete->expr()->literal('photosSourceFolder')))
+			->andWhere($delete->expr()->in('userid', $delete->createFunction($select->getSQL())))
+			->executeStatement();
+
+		// Update remaining old entries to new ones
+		$update = $this->db->getQueryBuilder();
+		$update->update('preferences')
+			->set('configvalue', $update->func()->concat($update->expr()->literal('["'), 'configvalue', $update->expr()->literal('"]')))
+			->set('configkey', $update->expr()->literal('photosSourceFolders'))
+			->where($update->expr()->eq('appid', $update->expr()->literal('photos')))
+			->andWhere($update->expr()->eq('configkey', $update->expr()->literal('photosSourceFolder')))
+			->executeStatement();
+	}
+}