class.ilQuestionPoolTaxonomiesDuplicator.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once 'Services/Taxonomy/classes/class.ilObjTaxonomy.php';
require_once 'Services/Taxonomy/classes/class.ilTaxonomyTree.php';
require_once 'Services/Taxonomy/classes/class.ilTaxNodeAssignment.php';
require_once 'Modules/TestQuestionPool/classes/class.ilQuestionPoolDuplicatedTaxonomiesKeysMap.php';

class ilQuestionPoolTaxonomiesDuplicator
{
        private $sourceObjId = null;
        
        private $sourceObjType = null;

        private $targetObjId = null;
        
        private $targetObjType = null;

        private $questionIdMapping = null;

        private $duplicatedTaxonomiesKeysMap = null;

        public function __construct()
        {
                $this->duplicatedTaxonomiesKeysMap = new ilQuestionPoolDuplicatedTaxonomiesKeysMap();
        }

        public function setSourceObjId($sourceObjId)
        {
                $this->sourceObjId = $sourceObjId;
        }

        public function getSourceObjId()
        {
                return $this->sourceObjId;
        }

        public function getSourceObjType()
        {
                return $this->sourceObjType;
        }

        public function setSourceObjType($sourceObjType)
        {
                $this->sourceObjType = $sourceObjType;
        }

        public function getTargetObjId()
        {
                return $this->targetObjId;
        }

        public function setTargetObjId($targetObjId)
        {
                $this->targetObjId = $targetObjId;
        }

        public function getTargetObjType()
        {
                return $this->targetObjType;
        }

        public function setTargetObjType($targetObjType)
        {
                $this->targetObjType = $targetObjType;
        }

        public function setQuestionIdMapping($questionIdMapping)
        {
                $this->questionIdMapping = $questionIdMapping;
        }

        public function getQuestionIdMapping()
        {
                return $this->questionIdMapping;
        }

        public function duplicate()
        {
                $poolTaxonomyIds = ilObjTaxonomy::getUsageOfObject($this->getSourceObjId());

                foreach($poolTaxonomyIds as $poolTaxId)
                {
                        $this->duplicateTaxonomyFromPoolToTest($poolTaxId);

                        $this->transferAssignmentsFromOriginalToDuplicatedTaxonomy(
                                $poolTaxId, $this->duplicatedTaxonomiesKeysMap->getMappedTaxonomyId($poolTaxId)
                        );
                }
        }

        private function duplicateTaxonomyFromPoolToTest($poolTaxonomyId)
        {
                $testTaxonomy = new ilObjTaxonomy();
                $testTaxonomy->create();

                $poolTaxonomy = new ilObjTaxonomy($poolTaxonomyId);
                $poolTaxonomy->doCloneObject($testTaxonomy, null, null);

                $poolTaxonomy->getTree()->readRootId();
                $testTaxonomy->getTree()->readRootId();

                $testTaxonomy->update();

                ilObjTaxonomy::saveUsage( $testTaxonomy->getId(), $this->getTargetObjId() );

                $this->duplicatedTaxonomiesKeysMap->addDuplicatedTaxonomy($poolTaxonomy, $testTaxonomy);
        }

        private function transferAssignmentsFromOriginalToDuplicatedTaxonomy($originalTaxonomyId, $mappedTaxonomyId)
        {
                $originalTaxAssignment = new ilTaxNodeAssignment($this->getSourceObjType(), $this->getSourceObjId(), 'quest', $originalTaxonomyId);

                $duplicatedTaxAssignment = new ilTaxNodeAssignment($this->getTargetObjType(), $this->getTargetObjId(), 'quest', $mappedTaxonomyId);

                foreach($this->getQuestionIdMapping() as $originalQuestionId => $duplicatedQuestionId)
                {
                        $assignments = $originalTaxAssignment->getAssignmentsOfItem($originalQuestionId);

                        foreach($assignments as $assData)
                        {
                                $mappedNodeId = $this->duplicatedTaxonomiesKeysMap->getMappedTaxNodeId($assData['node_id']);

                                $duplicatedTaxAssignment->addAssignment($mappedNodeId, $duplicatedQuestionId);
                        }
                }
        }

        public function getDuplicatedTaxonomiesKeysMap()
        {
                return $this->duplicatedTaxonomiesKeysMap;
        }
}