feat: Add public event for missing indices

Signed-off-by: Julius Härtl <jus@bitgrid.net>

1 files changed, 59 insertions, 0 deletions

diff --git a/lib/public/DB/Events/AddMissingIndicesEvent.php b/lib/public/DB/Events/AddMissingIndicesEvent.php
new file mode 100644
index 00000000000..139b776b136
--- /dev/null
+++ b/lib/public/DB/Events/AddMissingIndicesEvent.php
@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2023 Julius Härtl <jus@bitgrid.net
+ *
+ * @author Julius Härtl <jus@bitgrid.net
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCP\DB\Events;
+
+/**
+ * Event to allow apps to register information about missing database indices
+ *
+ * This event will be dispatched for checking on the admin settings and when running
+ * occ db:add-missing-indices which will then create those indices
+ *
+ * @since 28.0.0
+ */
+class AddMissingIndicesEvent extends \OCP\EventDispatcher\Event {
+	/** @var array<array-key, array{tableName: string, indexName: string, columns: string[]}> */
+	private array $missingIndices = [];
+
+	/**
+	 * @param string[] $columns
+	 * @since 28.0.0
+	 */
+	public function addMissingIndex(string $tableName, string $indexName, array $columns): void {
+		$this->missingIndices[] = [
+			'tableName' => $tableName,
+			'indexName' => $indexName,
+			'columns' => $columns
+		];
+	}
+
+	/**
+	 * @since 28.0.0
+	 * @return array<array-key, array{tableName: string, indexName: string, columns: string[]}>
+	 */
+	public function getMissingIndices(): array {
+		return $this->missingIndices;
+	}
+}