/**
*/
protected function getMessages()
{
/**
* @var $ilAccess ilAccessHandler
* @var $ilUser ilObjUser
* @var $lng ilLanguage
*/
global $ilAccess, $ilUser, $lng;
$result = new stdClass();
$result->ok = false;
if (!(int) $_REQUEST['ref_id']) {
echo ilJsonUtil::encode($result);
exit;
}
/**
* @var $object ilObjChatroom
*/
$object = ilObjectFactory::getInstanceByRefId((int) $_REQUEST['ref_id'], false);
if (!$object || !$ilAccess->checkAccess('read', '', $_REQUEST['ref_id'])) {
ilObjUser::_writePref($ilUser->getId(), 'chatviewer_last_selected_room', 0);
$result->errormsg = $lng->txt('msg_no_perm_read');
echo ilJsonUtil::encode($result);
exit;
}
require_once 'Modules/Chatroom/classes/class.ilChatroom.php';
$room = ilChatroom::byObjectId($object->getId());
$block = new ilChatroomBlock();
$msg = $block->getMessages($room);
$ilUser->setPref('chatviewer_last_selected_room', $object->getRefId());
ilObjUser::_writePref($ilUser->getId(), 'chatviewer_last_selected_room', $object->getRefId());
$result->messages = array_reverse($msg);
$result->ok = true;
include_once 'Services/JSON/classes/class.ilJsonUtil.php';
echo ilJsonUtil::encode($result);
exit;
}