class.ilObjDataCollectionAccess.php

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<?php

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

include_once("./Services/Object/classes/class.ilObjectAccess.php");

class ilObjDataCollectionAccess extends ilObjectAccess
{
        public function _getCommands()
        {
                $commands = array
                (
                        array("permission" => "read", "cmd" => "render", "lang_var" => "show", "default" => true),
                        array("permission" => "write", "cmd" => "listRecords", "lang_var" => "edit_content"),
                        array("permission" => "write", "cmd" => "edit", "lang_var" => "settings")
                );
                
                return $commands;
        }
        
        public function _checkGoto($a_target)
        {               
                global $ilAccess;
                
                $t_arr = explode("_", $a_target);               
                
                if ($t_arr[0] != "dcl" || ((int) $t_arr[1]) <= 0)
                {
                        return false;
                }

                if ($ilAccess->checkAccess("visible", "", $t_arr[1]))
                {
                        return true;
                }
                return false;           
        }

        public function _checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id = "")
        {
                  global $ilUser, $lng, $rbacsystem, $ilAccess;

                  if ($a_user_id == "")
                  {
                           $a_user_id = $ilUser->getId();
                  }

                  switch ($a_cmd)
                  {
                           case "view":

                                        if(!ilObjDataCollectionAccess::_lookupOnline($a_obj_id)
                                                 && !$rbacsystem->checkAccessOfUser($a_user_id,'write',$a_ref_id))
                                        {
                                                 $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                                                 return false;
                                        }
                                        break;
                                        
                           // for permission query feature
                           case "infoScreen":
                                        if(!ilObjDataCollectionAccess::_lookupOnline($a_obj_id))
                                        {
                                                 $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                                        }
                                        else
                                        {
                                                 $ilAccess->addInfoItem(IL_STATUS_MESSAGE, $lng->txt("online"));
                                        }
                                        break;

                  }
                  switch($a_permission)
                  {
                           case "read":
                           case "visible":
                                        if (!ilObjDataCollectionAccess::_lookupOnline($a_obj_id) &&
                                                 (!$rbacsystem->checkAccessOfUser($a_user_id, 'write', $a_ref_id)))
                                        {
                                                 $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                                                 return false;
                                        }
                                        break;
                  }

                  return true;
         }
        
        public function _lookupOnline($a_id)
        {
                global $ilDB;
                
                $q = "SELECT * FROM il_dcl_data WHERE id = ".
                        $ilDB->quote($a_id, "integer");
                $dcl_set = $ilDB->query($q);
                $dcl_rec = $ilDB->fetchAssoc($dcl_set);
                
                return $dcl_rec["is_online"];
        }

}

?>