Do not expose activity on every autosave

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

lib/Cron/CardDescriptionActivity.php

@@ -0,0 +1,74 @@
+<?php
+/**
+ * @copyright Copyright (c) 2018 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 OCA\Deck\Cron;
+
+use OC\BackgroundJob\Job;
+use OCA\Deck\Activity\ActivityManager;
+use OCA\Deck\Activity\ChangeSet;
+use OCA\Deck\Db\AttachmentMapper;
+use OCA\Deck\Db\BoardMapper;
+use OCA\Deck\Db\Card;
+use OCA\Deck\Db\CardMapper;
+use OCA\Deck\InvalidAttachmentType;
+use OCA\Deck\Service\AttachmentService;
+use OCA\Deck\Service\CardService;
+
+class CardDescriptionActivity extends Job {
+
+	/** @var ActivityManager */
+	private $activityManager;
+	/** @var CardMapper */
+	private $cardMapper;
+
+	public function __construct(ActivityManager $activityManager, CardMapper $cardMapper) {
+		$this->activityManager  = $activityManager;
+		$this->cardMapper = $cardMapper;
+	}
+
+	/**
+	 * @param $argument
+	 * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+	 */
+	public function run($argument) {
+		$cards = $this->cardMapper->findUnexposedDescriptionChances();
+		foreach ($cards as $card) {
+			$this->activityManager->triggerEvent(
+				ActivityManager::DECK_OBJECT_CARD,
+				$card,
+				ActivityManager::SUBJECT_CARD_UPDATE_DESCRIPTION,
+				[
+					'before' => $card->getDescriptionPrev(),
+					'after' => $card->getDescription()
+				],
+				$card->getLastEditor()
+			);
+
+			$card->setDescriptionPrev(null);
+			$card->setLastEditor(null);
+			$this->cardMapper->update($card, false);
+		}
+	}
+
+}