class.ilChatBlock.php

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<?php

include_once "Modules/Chat/classes/class.ilChatRoom.php";
include_once "Modules/Chat/classes/class.ilObjChat.php";
include_once "Modules/Chat/classes/class.ilChatBlockedUsers.php";

class ilChatBlock {
        private function getReadableAreas() {
                global $ilUser, $rbacsystem;
        
                $rooms = ilChatRoom::getAllRooms();
                
                $titel = array();
                foreach($rooms as $k => $v) {
                        $titel[$k] = strtolower($v['title']);
                }
                array_multisort($titel, SORT_STRING, $rooms);
                
                $readable_rooms = array();
                
                for ($i = 0; $i < count($rooms); $i++)
                {
                        if (ilChatBlockedUsers::_isBlocked($rooms[$i]['obj_id'], $ilUser->getId()))
                        {
                                continue;
                        }
                        $room_obj = new ilChatRoom($rooms[$i]["obj_id"]);
                        $priv_rooms = $room_obj->getAllRoomsOfObject();
                        $rooms[$i]["sub"] = array();
                        foreach($priv_rooms as $room_id => $pr)
                        {
                                $room_obj->setRoomId($room_id);
                                if (
                                        $room_obj->isInvited($ilUser->getId()) ||
                                        $room_obj->isOwner($ilUser->getId()) ||
                                        $rbacsystem->checkAccess('moderate', $room_obj->getRoomId())
                                )
                                {
                                        $rooms[$i]["sub"][] = array(
                                                'room_id' => $room_obj->getRoomId(),
                                                'title' => $room_obj->getTitle()
                                        );
                                } 
                        }
                        $titel = array();
                        
                        foreach($rooms[$i]["sub"] as $k => $v) {
                                $titel[$k] = strtolower($v['title']);
                        }
                        
                        array_multisort($titel, SORT_STRING, $rooms[$i]["sub"]);
                        $readable_rooms[] = $rooms[$i];
                }
                return $readable_rooms;
        }
        
        public function getRoomSelect()
        {
                global $lng, $ilUser;
                
                $sel_ref_id = false;
                $sel_room_id = false;
                
                if ($ilUser->getPref('chatviewer_last_selected_room'))
                {
                        $parts = split(",", $ilUser->getPref('chatviewer_last_selected_room'));
                        $sel_ref_id = $parts[0];
                        if ($parts[1])
                                $sel_room_id = $parts[1];
                }

                $readable = $this->getReadableAreas();
                $tpl = new ilTemplate("tpl.chat_block_room_select.html", true, true, "Modules/Chat");
                $tpl->setVariable('TXT_SELECT_ROOM', $lng->txt('chat_select_room'));
                foreach($readable as $room)
                {
                        $tpl->setCurrentBlock("room_row");
                        $tpl->setVariable("ROW_VALUE", $room["ref_id"]);
                        $tpl->setVariable("ROW_CAPTION", $room["title"]);
                        
                        if ($sel_ref_id == $room["obj_id"] && !$sel_room_id)
                                $tpl->setVariable('ROW_SELECTED', 'selected="selected"');
                        
                        $tpl->parseCurrentBlock("select_room_row");
                        foreach($room["sub"] as $priv_room)
                        {
                                $tpl->setCurrentBlock("room_row");
                                $tpl->setVariable("ROW_VALUE_PRIV", $room["ref_id"].','.$priv_room['room_id']);
                                $tpl->setVariable("ROW_CAPTION_PRIV", $priv_room["title"]);
                                if ($sel_ref_id == $room["obj_id"] && $sel_room_id == $priv_room['room_id'])
                                        $tpl->setVariable('ROW_SELECTED_PRIV', 'selected="selected"');
                                $tpl->parseCurrentBlock("select_privroom_row");                         
                        }
                        
                }
                return $tpl->get();
        }
        
        public function getMessages($obj_id, $room_id, $last_known_id, &$new_last_known_id = -1)
        {
                $room = new ilChatRoom($obj_id);
                $room->setRoomId($room_id);
                $messages = $room->getNewMessages($last_known_id, $new_last_known_id, time() - 60*60*12);
                
                return $messages;
        }
}