class.ilChatroomPostMessageTask.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */


class ilChatroomPostMessageTask extends ilDBayTaskHandler
{

        private $gui;

        public function __construct(ilDBayObjectGUI $gui)
        {
                $this->gui = $gui;
        }

        public function executeDefault($method)
        {
                global $ilUser, $ilCtrl;

                require_once 'Modules/Chatroom/classes/class.ilChatroom.php';
                require_once 'Modules/Chatroom/classes/class.ilChatroomUser.php';

                if ( !ilChatroom::checkUserPermissions( 'read', $this->gui->ref_id ) )
                {
                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", ROOT_FOLDER_ID);
                $ilCtrl->redirectByClass("ilrepositorygui", "");
                }

                $room = ilChatroom::byObjectId( $this->gui->object->getId() );

                $chat_user  = new ilChatroomUser($ilUser, $room);
                $user_id    = $chat_user->getUserId();

                if( !$room )
                {
                    throw new Exception('unkown room');
                }
                else if( !$room->isSubscribed( $chat_user->getUserId() ) )
                {
                    throw new Exception('not subscribed');
                }
                else if ( isset($_REQUEST['sub']) && !$room->userIsInPrivateRoom( $_REQUEST['sub'], $chat_user->getUserId() ))
                {
                    $response = json_encode( array(
                            'success'   => false,
                            'reason'    => 'not subscribed to private room'
                    ) );
                    echo json_encode( $response );
                    exit;
            }

                $scope  = $room->getRoomId();
                $params = array();

                if( ($recipient = $_REQUEST['recipient'] ) )
                {
                    $params['recipients'] = join( ',', array_unique( array($user_id, $recipient) ) );                   
                        $params['recipient_names'] = implode( ',', array($chat_user->getUsername(), $_REQUEST['recipient_name']) );
                    $params['public'] = isset( $_REQUEST['public'] ) ? (int)$_REQUEST['public'] : 0;
                }
                else
                {
                    $params['public'] = 1;
                }

                if ($_REQUEST['sub'])
                $params['sub'] = (int)$_REQUEST['sub'];

                $messageObject = $this->buildMessage(
                        ilUtil::stripSlashes( $_REQUEST['message'] ),
                        $params,
                        $chat_user
                );
                
                $message = json_encode( $messageObject );

                $params                 = array_merge( $params, array('message' => $message) );
                //print_r($params);exit;
                $query          = http_build_query( $params );
                $connector      = $this->gui->getConnector();
                $response       = $connector->post( $scope, $query );

                $responseObject = json_decode( $response );

                if( $responseObject->success == true /*&& $room->getSetting( 'enable_history' )*/ )
                {
                        $room->addHistoryEntry( $messageObject, $recipient, $publicMessage );
                }

                echo $response;
                exit;
        }

        private function buildMessage($messageString, $params, ilChatroomUser $chat_user)
        {
                $data = new stdClass();

                $data->user             = $this->gui->object->getPersonalInformation( $chat_user );
                $data->message          = $messageString;
                $data->timestamp        = time() * 1000;//date( 'c' );
                $data->type             = 'message';
                isset($params['sub']) ? ($data->sub = $params['sub']) : false;
                $data->public           = (int)$params['public'];
                $data->recipients       = $params['recipients']; // ? explode(",", $params['recipients']) : array();
                $data->recipient_names  = $params['recipient_names'];

                return $data;
        }

}

?>