class.ilLPXmlWriter.php

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<?php
/* Copyright (c) 1998-2012 ILIAS open source, Extended GPL, see docs/LICENSE */
 
include_once "./Services/Xml/classes/class.ilXmlWriter.php";
 
class ilLPXmlWriter extends ilXmlWriter
{
    private $add_header = true;
    
    private $timestamp = "";
    private $include_ref_ids = false;
    private $type_filter = array();
 
    public function __construct($a_add_header)
    {
        $this->add_header = $a_add_header;
        parent::__construct();
    }
    
    public function setTimestamp($a_val)
    {
        $this->timestamp = $a_val;
    }
    
    public function getTimestamp()
    {
        return $this->timestamp;
    }
    
    public function setIncludeRefIds($a_val)
    {
        $this->include_ref_ids = $a_val;
    }
    
    public function getIncludeRefIds()
    {
        return $this->include_ref_ids;
    }
    
    public function setTypeFilter($a_val)
    {
        $this->type_filter = $a_val;
    }
    
    public function getTypeFilter()
    {
        return $this->type_filter;
    }
    
    public function write()
    {
        $this->init();
        if ($this->add_header) {
            $this->buildHeader();
        }
        $this->addLPInformation();
    }
    
    protected function buildHeader()
    {
        //$this->xmlSetDtdDef("<!DOCTYPE LearningProgress PUBLIC \"-//ILIAS//DTD WebLinkAdministration//EN\" \"".ILIAS_HTTP_PATH."/xml/ilias_weblinks_4_0.dtd\">");
        //$this->xmlSetGenCmt("WebLink Object");
        $this->xmlHeader();
 
        return true;
    }
    
    
    protected function init()
    {
        $this->xmlClear();
        
        /*              if(!$this->obj_id)
                {
                    throw new UnexpectedValueException('No obj_id given: ');
                }*/
    }
    
    public function addLPInformation()
    {
        global $ilDB;
        
        $this->xmlStartTag('LPData', array());
        
        $set = $ilDB->query(
            $q = "SELECT * FROM ut_lp_marks " .
            " WHERE status_changed >= " . $ilDB->quote($this->getTimestamp(), "timestamp")
        );
 
        while ($rec = $ilDB->fetchAssoc($set)) {
            $ref_ids = array();
            if ($this->getIncludeRefIds()) {
                $ref_ids = ilObject::_getAllReferences($rec["obj_id"]);
            }
            
            if (!is_array($this->getTypeFilter()) ||
                (count($this->getTypeFilter()) == 0) ||
                in_array(ilObject::_lookupType($rec["obj_id"]), $this->getTypeFilter())) {
                $this->xmlElement(
                    'LPChange',
                    array(
                        'UserId' => $rec["usr_id"],
                        'ObjId' => $rec["obj_id"],
                        'RefIds' => implode($ref_ids, ","),
                        'Timestamp' => $rec["status_changed"],
                        'LPStatus' => $rec["status"]
                        )
                );
            }
        }
        
        $this->xmlEndTag('LPData');
    }
}