Issue 11472: Store the "edit" history

src/Model/Post/History.php

@@ -0,0 +1,65 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @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 <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Model\Post;
+
+use Friendica\Core\Logger;
+use Friendica\Database\DBA;
+use Friendica\Database\Database;
+use Friendica\Database\DBStructure;
+use Friendica\Model\Post;
+
+class History
+{
+	/**
+	 * Add a post to the history before it is changed
+	 *
+	 * @param integer $uri_id
+	 * @param array   $item
+	 */
+	public static function add(int $uri_id, array $item)
+	{
+		$allfields = DBStructure::definition('', false);
+		$fields = array_keys($allfields['post-history']['fields']);
+
+		$post = Post::selectFirstPost($fields, ['uri-id' => $uri_id]);
+		if (empty($post)) {
+			return;
+		}
+
+		$update = false;
+		$changed = DBStructure::getFieldsForTable('post-history', $item);
+		unset($changed['uri-id']);
+		unset($changed['edited']);
+		foreach ($changed as $field => $content) {
+			if ($content != $post[$field]) {
+				$update = true;
+			}
+		}
+
+		if ($update) {
+			DBA::insert('post-history', $post, Database::INSERT_IGNORE);
+			Logger::info('Added history', ['uri-id' => $uri_id, 'edited' => $post['edited']]);
+		} else {
+			Logger::info('No content fields had been changed', ['uri-id' => $uri_id, 'edited' => $post['edited']]);
+		}
+	}
+}

src/Model/Post/Thread.php

@@ -22,11 +22,9 @@
 namespace Friendica\Model\Post;
 
 use \BadMethodCallException;
-use Friendica\Core\Protocol;
 use Friendica\Database\Database;
 use Friendica\Database\DBA;
 use Friendica\Database\DBStructure;
-use Friendica\Model\Post;
 
 class Thread
 {