+ * @param int $iid Item ID
+ */
+ public static function setNotification(int $iid)
+ {
+ $fields = ['id', 'uri-id', 'parent-uri-id', 'uid', 'body', 'parent', 'gravity', 'tag',
+ 'private', 'contact-id', 'thr-parent', 'parent-uri', 'author-id', 'verb'];
+ $item = Item::selectFirst($fields, ['id' => $iid, 'origin' => false]);
+ if (!DBA::isResult($item)) {
+ return;
+ }
+
+ // "Activity::FOLLOW" is an automated activity, so we ignore it here
+ if ($item['verb'] == Activity::FOLLOW) {
+ return;
+ }
+
+ if ($item['uid'] == 0) {
+ $uids = [];
+ } else {
+ // Always include the item user
+ $uids = [$item['uid']];
+ }
+
+ // Add every user who participated so far in this thread
+ // This can only happen with participations on global items. (means: uid = 0)
+ $users = DBA::p("SELECT DISTINCT(`contact`.`uid`) FROM `item`
+ INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id` AND `contact`.`uid` != 0
+ WHERE `parent` IN (SELECT `parent` FROM `item` WHERE `id`=?)", $iid);
+ while ($user = DBA::fetch($users)) {
+ $uids[] = $user['uid'];
+ }
+ DBA::close($users);
+
+ foreach (array_unique($uids) as $uid) {
+ self::setNotificationForUser($item, $uid);
+ }
+ }
+
+ /**
+ * Checks an item for notifications for the given user and sets the "notification-type" field
+ *
+ * @param array $item Item array