class.ilChatroomUploadFileGUI.php

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

class ilChatroomUploadFileGUI extends ilChatroomGUIHandler
{

        public function __construct()
        {
                throw new Exception('METHOD_NOT_IN_USE', 1456435027);
        }

        public function executeDefault($requestedMethod)
        {

        }

        public function uploadFile()
        {
                global $ilCtrl;

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

                $upload_path = $this->getUploadPath();

                $this->checkUploadPath($upload_path);

                $file     = $_FILES['file_to_upload']['tmp_name'];
                $filename = $_FILES['file_to_upload']['name'];
                $type     = $_FILES['file_to_upload']['type'];
                $target   = $upload_path . $filename;

                if(ilUtil::moveUploadedFile($file, $filename, $target))
                {
                        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());
                        $chat_user = new ilChatroomUser($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');
                        }

                        $room->saveFileUploadToDb($user_id, $filename, $type);
                        $this->displayLinkToUploadedFile($room, $chat_user);
                }

        }

        public function getUploadPath()
        {
                $path = ilUtil::getDataDir() . "/chatroom/" . $this->gui->object->getId() . "/uploads/";

                return $path;
        }

        public function checkUploadPath($path)
        {
                $err = false;

                switch(true)
                {
                        case !file_exists($path):
                                if(!ilUtil::makeDirParents($path))
                                {
                                        $err = true;
                                        $msg = 'Error: Upload path could not be created!';
                                }
                                break;

                        case !is_dir($path):
                                $err = true;
                                $msg = 'Error: Upload path is not a directory!';
                                break;

                        case !is_readable($path):
                                $err = true;
                                $msg = 'Error: Upload path is not readable!';
                                break;

                        default:
                }

                if($err)
                {
                        throw new Exception($msg);
                }
        }

        protected function displayLinkToUploadedFile($room, $chat_user)
        {
                global $ilCtrl;

                $scope            = $room->getRoomId();
                $params           = array();
                $params['public'] = 1;
                $message = json_encode($this->buildMessage(
                        json_encode(array(
                                'format'  => array(),
                                'content' => ilUtil::stripSlashes(
                                        'Eine neue Datei mit dem Link ' .
                                        $ilCtrl->getLinkTarget($this->gui, 'uploadFile-deliverFile') .
                                        ' wurde hochgeladen'
                                )
                        )), $params, $chat_user
                ));

                $params = array_merge($params, array('message' => $message));
                $query  = http_build_query($params);

                $connector      = $this->gui->getConnector();
                $response       = $connector->post($scope, $query);
                $responseObject = json_decode($response);
                /*
                 if( $responseObject->success == true && $room->getSetting( 'enable_history' ) )
                 {
                 $room->addHistoryEntry( $message, $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  = date('c');
                $data->type       = 'message';
                $data->public     = (int)$params['public'];
                $data->recipients = $params['recipients']; // ? explode(",", $params['recipients']) : array();

                return $data;
        }

        public function deliverFile()
        {
                // send file

                echo "hello world";
        }

}

?>