class.ilChatroomKickTask.php

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


class ilChatroomKickTask extends ilDBayTaskHandler
{

        private $gui;

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

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

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

                if(!ilChatroom::checkUserPermissions(array('read', 'moderate'), $this->gui->ref_id))
                {
                        ilUtil::redirect("repository.php");
                }

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

                if($room)
                {
                        // if user is in scope
                        $scope = $room->getRoomId();

                        $chat_user = new ilChatroomUser($ilUser, $room);

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

                        $message = json_encode($messageObject);

                        $params = array(
                                'message'    => $message,
                                'userToKick' => $_REQUEST['user']
                        );

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

                        if($responseObject->success == true)
                        {
                                $room->addHistoryEntry($messageObject, '', 1);

                                $message = json_encode(array(
                                                                                        'type'  => 'userjustkicked',
                                                                                        'user'  => $params['userToKick'],
                                                                                        'sub'   => 0
                                                                           ));

                                $connector->sendMessage($room->getRoomId(), $message, array(
                                                                                                                                                   'public'  => 1,
                                                                                                                                                   'sub'     => 0
                                                                                                                                          ));
                                $room->disconnectUser(new ilObjUser($params['userToKick']));
                        }
                }
                else
                {
                        $response = json_encode(array(
                                                                                 'success'   => false,
                                                                                 'reason'    => 'unkown room'
                                                                        ));
                }

                echo $response;
                exit;
        }

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

                $data->user         = $this->gui->object->getPersonalInformation( $chat_user );
                $data->userToKick   = $messageString;
                $data->timestamp    = date( 'c' );
                $data->type         = 'kick';

                return $data;
        }

        public function sub()
        {
                global $ilUser;

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

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

                if($room)
                {
                        if(!$room->isOwnerOfPrivateRoom($ilUser->getId(), $_REQUEST['sub']))
                        {
                                if(!ilChatroom::checkPermissionsOfUser($ilUser->getId(), array('read', 'moderate'), $this->gui->ref_id))
                                {
                                        ilUtil::redirect("repository.php");
                                }
                        }

                        $scope          = $room->getRoomId();
                        $params         = array();
                        $params['user'] = $_REQUEST['user'];
                        $params['sub']  = $_REQUEST['sub'];

                        if($room->userIsInPrivateRoom($params['sub'], $params['user']))
                        {
                                $query          = http_build_query($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']);
                                $this->recantInvitation($params['sub'], $params['user']);

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

                                $connector->sendMessage($room->getRoomId(), $message, array(
                                                                                                                                                   'public'  => 1,
                                                                                                                                                   'sub'     => 0
                                                                                                                                          ));
                        }
                        else
                        {
                                $response = json_encode(array(
                                                                                         'success'  => true,
                                                                                         'message'  => 'was not in room'
                                                                                ));
                        }

                        echo $response;
                        exit;
                }
        }

        public function recantInvitation($subroom_id, $user_id)
        {
            global $ilDB;

            $query = "
                SELECT          proom_id
                FROM            chatroom_proomaccess
                WHERE           proom_id = %s
                AND             user_id = %s
            ";

            $types  = array( 'integer', 'integer' );
            $values = array( $subroom_id, $user_id );

            $res = $ilDB->queryF( $query, $types, $values );

            if( $row = $ilDB->fetchAssoc( $res ) )
            {
                $delete = "
                    DELETE
                    FROM        chatroom_proomaccess
                    WHERE       proom_id = %s
                    AND         user_id = %s
                ";

                $ilDB->manipulateF( $delete, $types, $values );
            }
        }

}

?>