class.ilObjPollAccess.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 ilObjPollAccess extends ilObjectAccess
{       
        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();
                }
                
                // check "global" online switch
                if(!self::_lookupOnline($a_obj_id) && 
                        !$rbacsystem->checkAccessOfUser($a_user_id,'write',$a_ref_id))
                {
                        $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                        return false;
                }
                
                return true;
        }
        
        public static function _lookupOnline($a_obj_id)
        {
                global $ilDB;
 
                $result = $ilDB->query("SELECT * FROM il_poll".
                        " WHERE id = ".$ilDB->quote($a_obj_id, "integer"));                             
                $row = $ilDB->fetchAssoc($result);
                return $row["online_status"];
        }
        
        public static function _isActivated($a_ref_id)
        {                       
                include_once './Services/Object/classes/class.ilObjectActivation.php';
                $item = ilObjectActivation::getItem($a_ref_id);         
                switch($item['timing_type'])
                {                                               
                        case ilObjectActivation::TIMINGS_ACTIVATION:
                                if(time() < $item['timing_start'] or
                                   time() > $item['timing_end'])
                                {                                       
                                        return false;
                                }
                                // fallthrough
                                
                        default:
                                return true;
                }
        }
        
        function _getCommands()
        {
                $commands = array
                (
                        array("permission" => "read", "cmd" => "preview", "lang_var" => "show", "default" => true),
                        array("permission" => "write", "cmd" => "render", "lang_var" => "edit"),
                        // array("permission" => "write", "cmd" => "export", "lang_var" => "export")
                );
                
                return $commands;
        }
        
        function _checkGoto($a_target)
        {               
                global $ilAccess;
                
                $t_arr = explode("_", $a_target);               
                
                if ($t_arr[0] != "poll" || ((int) $t_arr[1]) <= 0)
                {
                        return false;
                }
 
                if ($ilAccess->checkAccess("read", "", $t_arr[1]))
                {
                        return true;
                }
                return false;           
        }
}
 
?>