class.ilObjExerciseAccess.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");
include_once './Services/AccessControl/interfaces/interface.ilConditionHandling.php';

class ilObjExerciseAccess extends ilObjectAccess implements ilConditionHandling
{
        
        public static function getConditionOperators()
        {
                include_once './Services/AccessControl/classes/class.ilConditionHandler.php';
                return array(
                        ilConditionHandler::OPERATOR_PASSED,
                        ilConditionHandler::OPERATOR_FAILED
                );
        }
        
        
        public static function checkCondition($a_exc_id,$a_operator,$a_value,$a_usr_id)
        {
                include_once './Services/AccessControl/classes/class.ilConditionHandler.php';
                include_once './Modules/Exercise/classes/class.ilExerciseMembers.php';
                
                switch($a_operator)
                {
                        case ilConditionHandler::OPERATOR_PASSED:
                                if (ilExerciseMembers::_lookupStatus($a_exc_id, $a_usr_id) == "passed")
                                {
                                        return true;
                                }
                                else
                                {
                                        return false;
                                }
                                break;
                                
                        case ilConditionHandler::OPERATOR_FAILED:
                                return ilExerciseMembers::_lookupStatus($a_exc_id,$a_usr_id) == 'failed';

                        default:
                                return true;
                }
                return true;
        }
        

        static function _getCommands()
        {
                $commands = array
                (
                        array("permission" => "read", "cmd" => "showOverview", "lang_var" => "show",
                                "default" => true),
                        array("permission" => "write", "cmd" => "listAssignments", "lang_var" => "edit_assignments"),
                        array("permission" => "write", "cmd" => "edit", "lang_var" => "settings")
                );
                
                return $commands;
        }
        
        static function _lookupRemainingWorkingTimeString($a_obj_id)
        {
                global $ilDB;
                
                // #14077 - mind peer deadline, too
                
                $dl = null;
                $cnt = array();
                
                $q = "SELECT id, time_stamp, deadline2, peer_dl".
                        " FROM exc_assignment WHERE exc_id = ".$ilDB->quote($a_obj_id, "integer").
                        " AND (time_stamp > ".$ilDB->quote(time(), "integer").
                        " OR (peer_dl > ".$ilDB->quote(time(), "integer").
                        " AND peer > ".$ilDB->quote(0, "integer")."))";
                $set = $ilDB->query($q);
                while($row = $ilDB->fetchAssoc($set))
                {                       
                        if($row["time_stamp"] > time() && 
                                ($row["time_stamp"] < $dl || !$dl))
                        {
                                $dl = $row["time_stamp"];
                        }
                        /* extended deadline should not be presented anywhere
                        if($row["deadline2"] > time() && 
                                ($row["deadline2"] < $dl || !$dl))
                        {
                                $dl = $row["deadline2"];
                        }                        
                        */
                        if($row["peer_dl"] > time() && 
                                ($row["peer_dl"] < $dl || !$dl))
                        {
                                $dl = $row["peer_dl"];
                        }
                        $cnt[$row["id"]] = true;                        
                }
                
                // :TODO: mind personal deadline?
                
                if($dl)
                {
                        $dl = ilUtil::period2String(new ilDateTime($dl, IL_CAL_UNIX));
                }
                
                return array(
                        "mtime" => $dl,
                        "cnt" => sizeof($cnt)
                );              
        }
        
        static function _checkGoto($a_target)
        {
                global $ilAccess;
                
                $t_arr = explode("_", $a_target);

                if ($t_arr[0] != "exc" || ((int) $t_arr[1]) <= 0)
                {
                        return false;
                }

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

?>