class.assQuestionImport.php

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<?php
include_once "./Modules/Test/classes/inc.AssessmentConstants.php";
 
class assQuestionImport
{
    public $object;
 
    public function __construct($a_object)
    {
        $this->object = $a_object;
    }
 
    public function getQuestionId(): int
    {
        return (int) $this->object->getId();
    }
 
    public function getFeedbackGeneric($item): array
    {
        $feedbacksgeneric = array();
        foreach ($item->resprocessing as $resprocessing) {
            foreach ($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] = $material;
                                            }
                                        }
                                    }
                                }
                            } elseif (strcmp($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] = $material;
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        // handle the import of media objects in XHTML code
        foreach ($feedbacksgeneric as $correctness => $material) {
            $m = $this->object->QTIMaterialToString($material);
            $feedbacksgeneric[$correctness] = $m;
        }
        return $feedbacksgeneric;
    }
 
    protected function fetchIndexFromFeedbackIdent($feedbackIdent, $prefix = 'response_'): int
    {
        return (int) str_replace($prefix, '', $feedbackIdent);
    }
 
    protected function getFeedbackAnswerSpecific(ilQTIItem $item, $prefix = 'response_'): array
    {
        $feedbacks = array();
 
        foreach ($item->itemfeedback as $ifb) {
            if ($ifb->getIdent() == 'response_allcorrect' || $ifb->getIdent() == 'response_onenotcorrect') {
                continue;
            }
 
            if ($ifb->getIdent() == $prefix . 'allcorrect' || $ifb->getIdent() == $prefix . 'onenotcorrect') {
                continue;
            }
 
            if (substr($ifb->getIdent(), 0, strlen($prefix)) != $prefix) {
                continue;
            }
 
            $ident = $ifb->getIdent();
 
            // found a feedback for the identifier
 
            if (count($ifb->material)) {
                foreach ($ifb->material as $material) {
                    $feedbacks[$ident] = $material;
                }
            }
 
            if ((count($ifb->flow_mat) > 0)) {
                foreach ($ifb->flow_mat as $fmat) {
                    if (count($fmat->material)) {
                        foreach ($fmat->material as $material) {
                            $feedbacks[$ident] = $material;
                        }
                    }
                }
            }
        }
 
        foreach ($feedbacks as $ident => $material) {
            $m = $this->object->QTIMaterialToString($material);
            $feedbacks[$ident] = $m;
        }
 
        return $feedbacks;
    }
 
    public function fromXML(&$item, $questionpool_id, &$tst_id, &$tst_object, &$question_counter, $import_mapping): array
    {
    }
 
    protected function addGeneralMetadata(ilQTIItem $item): void
    {
        if ($item->getMetadataEntry('externalID')) {
            $this->object->setExternalId($item->getMetadataEntry('externalID'));
        } else {
            $this->object->setExternalId($item->getMetadataEntry('externalId'));
        }
 
        $this->object->setLifecycle($this->fetchLifecycle($item));
    }
 
    protected function fetchLifecycle(ilQTIItem $item): ilAssQuestionLifecycle
    {
        try {
            $lifecycle = ilAssQuestionLifecycle::getInstance(
                $item->getMetadataEntry('ilias_lifecycle')
            );
        } catch (ilTestQuestionPoolInvalidArgumentException $e) {
            try {
                $lomLifecycle = new ilAssQuestionLomLifecycle(
                    $item->getMetadataEntry('lifecycle')
                );
 
                $lifecycle = ilAssQuestionLifecycle::getInstance(
                    $lomLifecycle->getMappedIliasLifecycleIdentifer()
                );
            } catch (ilTestQuestionPoolInvalidArgumentException $e) {
                $lifecycle = ilAssQuestionLifecycle::getDraftInstance();
            }
        }
 
        return $lifecycle;
    }
 
    protected function getQplImportArchivDirectory(): string
    {
        return ilObjQuestionPool::_getImportDirectory() . '/' . ilSession::get("qpl_import_subdir");
    }
 
    protected function getTstImportArchivDirectory(): string
    {
        return ilObjTest::_getImportDirectory() . '/' . ilSession::get("tst_import_subdir");
    }
 
    protected function processNonAbstractedImageReferences($text, $sourceNic): string
    {
        $reg = '/<img.*src=".*\\/mm_(\\d+)\\/(.*?)".*>/m';
        $matches = null;
 
        if (preg_match_all($reg, $text, $matches)) {
            $mobs = array();
            for ($i = 0, $max = count($matches[1]); $i < $max; $i++) {
                $mobSrcId = $matches[1][$i];
                $mobSrcName = $matches[2][$i];
                $mobSrcLabel = 'il_' . $sourceNic . '_mob_' . $mobSrcId;
 
                //if (!is_array(ilSession::get("import_mob_xhtml"))) {
                //    ilSession::set("import_mob_xhtml", array());
                //}
 
                //$_SESSION["import_mob_xhtml"][] = array(
                $mobs[] = array(
                    "mob" => $mobSrcLabel, "uri" => 'objects/' . $mobSrcLabel . '/' . $mobSrcName
                );
            }
            ilSession::set('import_mob_xhtml', $mobs);
        }
 
        return ilRTE::_replaceMediaObjectImageSrc($text, 0, $sourceNic);
    }
 
    final protected function fetchAdditionalContentEditingModeInformation($qtiItem): string
    {
        $additionalContentEditingMode = $qtiItem->getMetadataEntry('additional_cont_edit_mode');
 
        if (!$this->object->isValidAdditionalContentEditingMode($additionalContentEditingMode ?? '')) {
            $additionalContentEditingMode = assQuestion::ADDITIONAL_CONTENT_EDITING_MODE_RTE;
        }
 
        return $additionalContentEditingMode;
    }
 
    public function importSuggestedSolution(
        int $question_id,
        string $value = "",
        int $subquestion_index = 0
    ): void {
        $type = $this->findSolutionTypeByValue($value);
        if (!$type) {
            return;
        }
 
        $repo = $this->getSuggestedSolutionsRepo();
 
        $nu_value = $this->object->_resolveInternalLink($value);
        $solution = $repo->create($question_id, $type)
            ->withInternalLink($nu_value)
            ->withImportId($value);
        $repo->update($solution);
    }
 
    protected function deduceThumbSizeFromImportValue(?int $size): int
    {
        if ($size === null) {
            return $this->object->getThumbSize();
        }
 
        if ($size < $this->object->getMaximumThumbSize()) {
            return $this->object->getMaximumThumbSize();
        }
 
        if ($size > $this->object->getMaximumThumbSize()) {
            return $this->object->getMaximumThumbSize();
        }
 
        return $size;
    }
}