class.assTextQuestionImport.php

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

include_once "./Modules/TestQuestionPool/classes/import/qti12/class.assQuestionImport.php";

class assTextQuestionImport extends assQuestionImport
{
        function fromXML(&$item, $questionpool_id, &$tst_id, &$tst_object, &$question_counter, &$import_mapping)
        {
                global $ilUser;

                // empty session variable for imported xhtml mobs
                unset($_SESSION["import_mob_xhtml"]);
                $presentation = $item->getPresentation(); 
                $duration = $item->getDuration();
                $now = getdate();
                $maxchars = 0;
                $maxpoints = 0;
                $created = sprintf("%04d%02d%02d%02d%02d%02d", $now['year'], $now['mon'], $now['mday'], $now['hours'], $now['minutes'], $now['seconds']);
                foreach ($presentation->order as $entry)
                {
                        switch ($entry["type"])
                        {
                                case "response":
                                        $response = $presentation->response[$entry["index"]];
                                        $rendertype = $response->getRenderType(); 
                                        switch (strtolower(get_class($rendertype)))
                                        {
                                                case "ilqtirenderfib":
                                                        $maxchars = $rendertype->getMaxchars();
                                                        break;
                                        }
                                        break;
                        }
                }

                $feedbacksgeneric = array();
                foreach ($item->resprocessing as $resprocessing)
                {
                        $outcomes = $resprocessing->getOutcomes();
                        foreach ($outcomes->decvar as $decvar)
                        {
                                $maxpoints = $decvar->getMaxvalue();
                        }

                        foreach ($resprocessing->respcondition as $respcondition)
                        {
                                foreach ($respcondition->displayfeedback as $feedbackpointer)
                                {
                                        if (strlen($feedbackpointer->getLinkrefid()))
                                        {
                                                foreach ($item->itemfeedback as $ifb)
                                                {
                                                        if (strcmp($ifb->getIdent(), "response_allcorrect") == 0)
                                                        {
                                                                // found a feedback for the identifier
                                                                if (count($ifb->material))
                                                                {
                                                                        foreach ($ifb->material as $material)
                                                                        {
                                                                                $feedbacksgeneric[1] = $material;
                                                                        }
                                                                }
                                                                if ((count($ifb->flow_mat) > 0))
                                                                {
                                                                        foreach ($ifb->flow_mat as $fmat)
                                                                        {
                                                                                if (count($fmat->material))
                                                                                {
                                                                                        foreach ($fmat->material as $material)
                                                                                        {
                                                                                                $feedbacksgeneric[1] = $material;
                                                                                        }
                                                                                }
                                                                        }
                                                                }
                                                        } 
                                                        else if (strcmp($ifb->getIdent(), "response_onenotcorrect") == 0)
                                                        {
                                                                // found a feedback for the identifier
                                                                if (count($ifb->material))
                                                                {
                                                                        foreach ($ifb->material as $material)
                                                                        {
                                                                                $feedbacksgeneric[0] = $material;
                                                                        }
                                                                }
                                                                if ((count($ifb->flow_mat) > 0))
                                                                {
                                                                        foreach ($ifb->flow_mat as $fmat)
                                                                        {
                                                                                if (count($fmat->material))
                                                                                {
                                                                                        foreach ($fmat->material as $material)
                                                                                        {
                                                                                                $feedbacksgeneric[0] = $material;
                                                                                        }
                                                                                }
                                                                        }
                                                                }
                                                        }
                                                }
                                        }
                                }
                        }
                }
                $this->addGeneralMetadata($item);
                $this->object->setTitle($item->getTitle());
                $this->object->setNrOfTries($item->getMaxattempts());
                $this->object->setComment($item->getComment());
                $this->object->setAuthor($item->getAuthor());
                $this->object->setOwner($ilUser->getId());
                $this->object->setQuestion($this->object->QTIMaterialToString($item->getQuestiontext()));
                $this->object->setObjId($questionpool_id);
                $this->object->setEstimatedWorkingTime($duration["h"], $duration["m"], $duration["s"]);
                $this->object->setPoints($maxpoints);
                $this->object->setMaxNumOfChars($maxchars);
                $textrating = $item->getMetadataEntry("textrating");
                if (strlen($textrating))
                {
                        $this->object->setTextRating($textrating);
                }
                $this->object->matchcondition = (strlen($item->getMetadataEntry('matchcondition'))) ? $item->getMetadataEntry('matchcondition') : 0;
                
                require_once './Modules/TestQuestionPool/classes/class.assAnswerMultipleResponseImage.php';
                $no_keywords_found=true;
                
                $termscoring = $this->fetchTermScoring($item);
                for ($i = 0; $i < count($termscoring); $i++ )
                {
                        $this->object->addAnswer($termscoring[$i]->getAnswertext(), $termscoring[$i]->getPoints() );
                        $no_keywords_found=false;
                }
                if(count($termscoring))
                {
                        $this->object->setKeywordRelation($item->getMetadataEntry('termrelation'));
                }
                
                $keywords = $item->getMetadataEntry("keywords");
                if (strlen($keywords))
                {
                        #$this->object->setKeywords($keywords);
                        $answers = explode(' ', $keywords);
                        foreach ($answers as $answer)
                        {
                                $this->object->addAnswer($answer, 0);   
                        }
                        $this->object->setKeywordRelation('one');
                        $no_keywords_found=false;
                }
                if($no_keywords_found)
                {
                        $this->object->setKeywordRelation('non');
                }
                        
                // additional content editing mode information
                $this->object->setAdditionalContentEditingMode(
                                $this->fetchAdditionalContentEditingModeInformation($item)
                );              
                $this->object->saveToDb();
                if (count($item->suggested_solutions))
                {
                        foreach ($item->suggested_solutions as $suggested_solution)
                        {
                                $this->object->setSuggestedSolution($suggested_solution["solution"]->getContent(), $suggested_solution["gap_index"], true);
                        }
                        $this->object->saveToDb();
                }
                foreach ($feedbacksgeneric as $correctness => $material)
                {
                        $m = $this->object->QTIMaterialToString($material);
                        $feedbacksgeneric[$correctness] = $m;
                }
                // handle the import of media objects in XHTML code
                $questiontext = $this->object->getQuestion();
                
                $feedbacks = $this->getFeedbackAnswerSpecific($item);
                
                if (is_array($_SESSION["import_mob_xhtml"]))
                {
                        include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
                        include_once "./Services/RTE/classes/class.ilRTE.php";
                        foreach ($_SESSION["import_mob_xhtml"] as $mob)
                        {
                                if ($tst_id > 0)
                                {
                                        $importfile = $this->getTstImportArchivDirectory() . '/' . $mob["uri"];
                                }
                                else
                                {
                                        $importfile = $this->getQplImportArchivDirectory() . '/' . $mob["uri"];
                                }
                                
                                $GLOBALS['ilLog']->write(__METHOD__.': import mob from dir: '. $importfile);
                                
                                $media_object =& ilObjMediaObject::_saveTempFileAsMediaObject(basename($importfile), $importfile, FALSE);
                                ilObjMediaObject::_saveUsage($media_object->getId(), "qpl:html", $this->object->getId());
                                $questiontext = str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $questiontext);
                                foreach ($feedbacks as $ident => $material)
                                {
                                        $feedbacks[$ident] = str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $material);
                                }
                                foreach ($feedbacksgeneric as $correctness => $material)
                                {
                                        $feedbacksgeneric[$correctness] = str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $material);
                                }
                        }
                }
                $this->object->setQuestion(ilRTE::_replaceMediaObjectImageSrc($questiontext, 1));
                foreach ($feedbacks as $ident => $material)
                {
                        $index = $this->fetchIndexFromFeedbackIdent($ident);
                        
                        $this->object->feedbackOBJ->importSpecificAnswerFeedback(
                                $this->object->getId(), $index, ilRTE::_replaceMediaObjectImageSrc($material, 1)
                        );
                }
                foreach ($feedbacksgeneric as $correctness => $material)
                {
                        $this->object->feedbackOBJ->importGenericFeedback(
                                        $this->object->getId(), $correctness, ilRTE::_replaceMediaObjectImageSrc($material, 1)
                        );
                }
                $this->object->saveToDb();
                if ($tst_id > 0)
                {
                        $q_1_id = $this->object->getId();
                        $question_id = $this->object->duplicate(true, null, null, null, $tst_id);
                        $tst_object->questions[$question_counter++] = $question_id;
                        $import_mapping[$item->getIdent()] = array("pool" => $q_1_id, "test" => $question_id);
                }
                else
                {
                        $import_mapping[$item->getIdent()] = array("pool" => $this->object->getId(), "test" => 0);
                }
        }
        
        protected function fetchTermScoring($item)
        {
                $termScoringString = $item->getMetadataEntry('termscoring');
                
                if( !strlen($termScoringString) )
                {
                        return array();
                }

                $termScoring = unserialize($termScoringString);

                if( is_array($termScoring) )
                {
                        return $termScoring;
                }

                $termScoringString = base64_decode($termScoringString);
                $termScoring = unserialize($termScoringString);

                if( is_array($termScoring) )
                {
                        return $termScoring;
                }
                
                return array();         
        }
}

?>