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();
        }
        
        function setTimestamp($a_val)
        {
                $this->timestamp = $a_val;
        }
        
        function getTimestamp()
        {
                return $this->timestamp;
        }
        
        function setIncludeRefIds($a_val)
        {
                $this->include_ref_ids = $a_val;
        }
        
        function getIncludeRefIds()
        {
                return $this->include_ref_ids;
        }
        
        function setTypeFilter($a_val)
        {
                $this->type_filter = $a_val;
        }
        
        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: ');
                }*/
        }
        
        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');
        }
 
}
?>