class.ilCategoryImporter.php

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

include_once("./Services/Export/classes/class.ilXmlImporter.php");

class ilCategoryImporter extends ilXmlImporter
{
        private $category = null;
        

        public function init()
        {
        }
        
        function importXmlRepresentation($a_entity, $a_id, $a_xml, $a_mapping)
        {
                include_once './Modules/Category/classes/class.ilObjCategory.php';
                if($new_id = $a_mapping->getMapping('Services/Container','objs',$a_id))
                {
                        $refs = ilObject::_getAllReferences($new_id);
                        $this->category = ilObjectFactory::getInstanceByRefId(end($refs),false);
                }
                // Mapping for containers without subitems
                elseif($new_id = $a_mapping->getMapping('Services/Container','refs',0))
                {
                        $this->category = ilObjectFactory::getInstanceByRefId($new_id,false);
                }
                elseif(!$this->category instanceof ilObjCategory)
                {
                        $this->category = new ilObjCategory();
                        $this->category->create(true);
                }

                include_once './Modules/Category/classes/class.ilCategoryXmlParser.php';

                try 
                {
                        $parser = new ilCategoryXmlParser($a_xml,0);
                        $parser->setCategory($this->category);
                        $parser->setMode(ilCategoryXmlParser::MODE_UPDATE);
                        $parser->startParsing();
                        $a_mapping->addMapping('Modules/Category','cat',$a_id,$this->category->getId());
                }
                catch(ilSaxParserException $e)
                {
                        $GLOBALS['ilLog']->write(__METHOD__.': Parsing failed with message, "'.$e->getMessage().'".');
                }
                catch(Exception $e)
                {
                        $GLOBALS['ilLog']->write(__METHOD__.': Parsing failed with message, "'.$e->getMessage().'".');
                }
                                                        
                foreach($a_mapping->getMappingsOfEntity('Services/Container', 'objs') as $old => $new)
                {
                        $type = ilObject::_lookupType($new);
                        
                        // see ilGlossaryImporter::importXmlRepresentation()
                        // see ilTaxonomyDataSet::importRecord()
                        
                        $a_mapping->addMapping("Services/Taxonomy", "tax_item",
                                $type.":obj:".$old, $new);

                        // this is since 4.3 does not export these ids but 4.4 tax node assignment needs it
                        $a_mapping->addMapping("Services/Taxonomy", "tax_item_obj_id",
                                $type.":obj:".$old, $new);
                        
                }               
        }
        
        function finalProcessing($a_mapping)
        {       
//echo "<pre>".print_r($a_mapping, true)."</pre>"; exit;
                // get all categories of the import
                include_once("./Services/Taxonomy/classes/class.ilObjTaxonomy.php");
                $maps = $a_mapping->getMappingsOfEntity("Modules/Category", "cat");
                foreach ($maps as $old => $new)
                {
                        if ($old != "new_id" && (int) $old > 0)
                        {
                                // get all new taxonomys of this object
                                $new_tax_ids = $a_mapping->getMapping("Services/Taxonomy", "tax_usage_of_obj", $old);
                                $tax_ids = explode(":", $new_tax_ids);
                                foreach ($tax_ids as $tid)
                                {
                                        ilObjTaxonomy::saveUsage($tid, $new);
                                }
                        }
                }               
        }
        
}
?>