class.ilLPStatusManual.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once 'Services/Tracking/classes/class.ilLPStatus.php';

class ilLPStatusManual extends ilLPStatus
{
    public function __construct($a_obj_id)
    {
        global $ilDB;

        parent::__construct($a_obj_id);
        $this->db = $ilDB;
    }

    public static function _getInProgress($a_obj_id)
    {
        include_once './Services/Tracking/classes/class.ilChangeEvent.php';
        $users = ilChangeEvent::lookupUsersInProgress($a_obj_id);
        
        // Exclude all users with status completed.
        $users = array_diff((array) $users, ilLPStatusWrapper::_getCompleted($a_obj_id));

        return $users;
    }

    public static function _getCompleted($a_obj_id)
    {
        global $ilDB;
        
        $usr_ids = array();

        $query = "SELECT DISTINCT(usr_id) user_id FROM ut_lp_marks " .
            "WHERE obj_id = " . $ilDB->quote($a_obj_id, 'integer') . " " .
            "AND completed = '1' ";

        $res = $ilDB->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $usr_ids[] = $row->user_id;
        }

        return $usr_ids;
    }

    public function determineStatus($a_obj_id, $a_user_id, $a_obj = null)
    {
        global $ilObjDataCache, $ilDB;

        $status = self::LP_STATUS_NOT_ATTEMPTED_NUM;
        switch ($ilObjDataCache->lookupType($a_obj_id)) {
            case 'lm':
            case 'htlm':
                include_once("./Services/Tracking/classes/class.ilChangeEvent.php");
                if (ilChangeEvent::hasAccessed($a_obj_id, $a_user_id)) {
                    $status = self::LP_STATUS_IN_PROGRESS_NUM;
                    
                    // completed?
                    $set = $ilDB->query($q = "SELECT usr_id FROM ut_lp_marks " .
                        "WHERE obj_id = " . $ilDB->quote($a_obj_id, 'integer') . " " .
                        "AND usr_id = " . $ilDB->quote($a_user_id, 'integer') . " " .
                        "AND completed = '1' ");
                    if ($rec = $ilDB->fetchAssoc($set)) {
                        $status = self::LP_STATUS_COMPLETED_NUM;
                    }
                }
                break;
        }
        return $status;
    }
    
    public static function _lookupFailedForObject($a_obj_id, $a_user_ids = null)
    {
        return array();
    }
}