API: Support for private mails

src/Factory/Api/Mastodon/Conversation.php

@@ -0,0 +1,60 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2021, 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\Factory\Api\Mastodon;
+
+use Friendica\BaseFactory;
+use Friendica\Database\DBA;
+use Friendica\DI;
+use Friendica\Model\Contact;
+
+class Conversation extends BaseFactory
+{
+	public function CreateFromConvId(int $id)
+	{
+		$accounts    = [];
+		$unread      = false;
+		$last_status = null;
+
+		$ids = [];
+		$mails = DBA::select('mail', ['id', 'from-url', 'uid', 'seen'], ['convid' => $id], ['order' => ['id' => true]]);
+		while ($mail = DBA::fetch($mails)) {
+			if (!$mail['seen']) {
+				$unread = true;
+			}
+
+			$id = Contact::getIdForURL($mail['from-url'], 0, false);
+			if (in_array($id, $ids)) {
+				continue;
+			}
+
+			$ids[] = $id;
+
+			if (empty($last_status)) {
+				$last_status = DI::mstdnStatus()->createFromMailId($mail['id'], $mail['uid']);
+			}
+
+			$accounts[] = DI::mstdnAccount()->createFromContactId($id, $mail['uid']);
+		}
+
+		return new \Friendica\Object\Api\Mastodon\Conversation($id, $accounts, $unread, $last_status);
+	}
+}