Delete cached messages when deleting them on IMAP

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

1 files changed, 54 insertions, 0 deletions

diff --git a/lib/Listener/MessageDeletedCacheUpdaterListener.php b/lib/Listener/MessageDeletedCacheUpdaterListener.php
new file mode 100644
index 000000000..4b6bab10a
--- /dev/null
+++ b/lib/Listener/MessageDeletedCacheUpdaterListener.php
@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @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 OCA\Mail\Listener;
+
+use OCA\Mail\Db\MessageMapper;
+use OCA\Mail\Events\MessageDeletedEvent;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+
+class MessageDeletedCacheUpdaterListener implements IEventListener {
+
+	/** @var MessageMapper */
+	private $mapper;
+
+	public function __construct(MessageMapper $mapper) {
+		$this->mapper = $mapper;
+	}
+
+	public function handle(Event $event): void {
+		if (!($event instanceof MessageDeletedEvent)) {
+			// Unrelated
+			return;
+		}
+
+		$this->mapper->deleteByUid(
+			$event->getMailbox(),
+			$event->getMessageId()
+		);
+	}
+
+}