class.ilChatroomPrivateRoomTask.php

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

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

class ilChatroomPrivateRoomTask extends ilDBayTaskHandler
{

        private $gui;

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

        public function executeDefault($method) {

        }

        public function create()
        {
            global $tpl, $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 )
            {
                $response = json_encode( array(
                        'success'       => false,
                        'reason'        => 'unkown room'
                ) );
                echo json_encode( $response );
                exit;
            }
            else if( !$room->isSubscribed( $chat_user->getUserId() ) )
            {
                $response = json_encode( array(
                        'success'       => false,
                        'reason'        => 'not subscribed'
                ) );
                echo json_encode( $response );
                exit;
            }

            $title          = $room->getUniquePrivateRoomTitle($_REQUEST['title']);
            $connector  = $this->gui->getConnector();
            $response   = $connector->createPrivateRoom($room, $title, $chat_user);

            echo json_encode($response);
            exit;
        }

        public function delete()
        {
            global $tpl, $ilUser, $rbacsystem;

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

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

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

            if( !$room )
            {
                $response = json_encode( array(
                            'success'   => false,
                            'reason'    => 'unkown room'
                            ) );
                echo json_encode( $response );
                exit;
            }
            else if( !$room->isOwnerOfPrivateRoom( $user_id, $_REQUEST['sub'] ) && !$rbacsystem->checkAccess('moderate', $this->gui->getRefId()) )
            {
                $response = json_encode( array(
                        'success'   => false,
                        'reason'    => 'not owner of private room'
                ) );
                echo json_encode( $response );
                exit;
            }

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

            $params['user'] =  $chat_user->getUserId();
            $params['id']   = $room->closePrivateRoom($_REQUEST['sub'], $chat_user, $settings);
            $query          = http_build_query( $params );
            $connector      = $this->gui->getConnector();

            if( true || $responseObject->success == true )
            {
                $message = json_encode( array(
                          'type'        => 'private_room_deleted',
                        //'recipients'  => $chat_user->getUserId(),//$users,
                          'timestamp'   => date( 'c' ),
                          'public'      => 1,
                        //'title'       => $title,
                          'id'          => $responseObject->id,
                          'proom_id'    => $_REQUEST['sub'],
                          'message'     => array(
                                            'message'   => 'room deleted',
                                            'public'    => '1',
                                            'user'      => 'system'
                                            )
                ) );

                $connector->sendMessage( $room->getRoomId(), $message, array('public' => 1) );
            }

            $response = json_encode(array('success' => true));
            echo $response;
            exit;
        }

        public function leave()
        {
                global $tpl, $ilUser;

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

                $chat_user = new ilChatroomUser( $ilUser, $room );
                $user_id = $chat_user->getUserId();
                $connector = $this->gui->getConnector();

                if( !$room )
                {
                        $response = json_encode( array(
                                    'success' => false,
                                    'reason' => 'unkown room'
                                    ) );
                                    echo json_encode( $response );
                                    exit;
                }
                else if( !$room->isSubscribed( $chat_user->getUserId() ) )
                {
                        $response = json_encode( array(
                                    'success' => false,
                                    'reason' => 'not subscribed'
                                    ) );
                                    echo json_encode( $response );
                                    exit;
                }

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

                $params['user'] = $chat_user->getUserId();
                $params['sub'] = $_REQUEST['sub'];

                $message = json_encode( array(
                        'type' => 'private_room_left',
                        'user' => $params['user'],
                        'sub'   => $params['sub']
                ));

                $connector->sendMessage( $room->getRoomId(), $message, array('public' => 1, 'sub' => $params['sub']) );

                if( $room->userIsInPrivateRoom( $params['sub'], $params['user'] ) )
                {
                        //$params                       = array_merge( $params, array('message' => $message) );
                        $query = http_build_query( $params );
                        $connector = $this->gui->getConnector();
                        $response = $connector->leavePrivateRoom( $scope, $query );
                        $responseObject = json_decode( $response );
/*
                        if( $responseObject->success == true && $room->getSetting( 'enable_history' ) )
                        {
                                //$room->addHistoryEntry( $message, $recipient, $publicMessage );
                        }
*/
                        $room->unsubscribeUserFromPrivateRoom( $params['sub'], $params['user'] );
                }
                else
                {
                        $response = json_encode( array('success' => true, 'message' => 'was not in room') );
                }

                echo $response;
                exit;
        }

        public function enter()
        {
                global $tpl, $ilUser;

                ilChatroom::checkUserPermissions( 'read', $this->gui->ref_id );

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

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

                if( !$room )
                {
                        $response = json_encode( array(
                                    'success' => false,
                                    'reason' => 'unkown room'
                                    ) );
                                    echo json_encode( $response );
                                    exit;
                }
                else if( !$room->isAllowedToEnterPrivateRoom( $chat_user->getUserId(), $_REQUEST['sub'] ) )
                {
                        $response = json_encode( array(
                                    'success' => false,
                                    'reason' => 'not allowed enter to private room'
                                    ) );
                                        
                                    echo json_encode( $response );
                                    exit;
                }

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

                $params['user'] = $chat_user->getUserId();
                $params['sub'] = $_REQUEST['sub'];
                $params['message'] = json_encode( array(
                        'type' => 'private_room_entered',
                        'user' => $user_id
                ));


                $query = http_build_query( $params );
                $connector = $this->gui->getConnector();
                $response = $connector->enterPrivateRoom( $scope, $query );
                $responseObject = json_decode( $response );

                $message = json_encode( array(
                        'type' => 'private_room_entered',
                        'user' => $params['user'],
                        'sub'   => $params['sub']
                ));

                $connector->sendMessage( $room->getRoomId(), $message, array('public' => 1, 'sub' => $params['sub']) );

                if( $responseObject->success == true )
                {
                        $room->subscribeUserToPrivateRoom( $params['sub'], $params['user'] );
                }

                echo $response;
                exit;
        }

        public function listUsers()
        {
                global $ilUser;

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

                echo json_encode( $room->listUsersInPrivateRoom( $_REQUEST['sub'] ) );
                exit;
        }

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

                $data->user                     = $chat_user->getUserId(); //$this->gui->object->getPersonalInformation( $chat_user );
                $data->title            = $params['title'];
                $data->timestamp        = date( 'c' );
                $data->type             = 'private_room_created';

                return $data;
        }

}

?>