public static function joinPublic(ChainContainer $chain) { $users = DI::get()->getUsers(); $user = $chain->getFrom(); $lang = $user->getLang(); $request = $chain->getRequest(); if ($user->isInPrivateChat()) { RespondError::make($user, [PropertiesDAO::USER_ID => $lang->getPhrase('YouCantLeavePrivate')]); return; } try { $form = (new Form())->import($request)->addRule('channelId', Rules::existsChannel(), $lang->getPhrase('ChannelNotExists'))->addRule('channelId', Rules::verifyOnJoinRule($user)); } catch (WrongRuleNameException $e) { RespondError::make($user); return; } if (!$form->validate()) { RespondError::make($user, $form->getErrors()); return; } $channelId = trim($form->getValue('channelId')); $oldChannelId = $user->getChannelId(); $user->setChannelId($channelId); $user->save(false); $user->setLastMsgId(0); ChannelNotifier::uploadHistory($user, true); ChannelNotifier::welcome($user, $users); ChannelNotifier::updateGuestsList($users, $oldChannelId); ChannelNotifier::indentifyChat($user, $users); }