assQuestionImport Class Reference

Class for question imports. More...

Inheritance diagram for assQuestionImport:

Collaboration diagram for assQuestionImport:

Public Member Functions
	getQuestionId ()
	getFeedbackGeneric ($item)
	fromXML (string $importdirectory, int $user_id, ilQTIItem $item, int $questionpool_id, ?int $tst_id, ?ilObject &$tst_object, int &$question_counter, array $import_mapping)
	importSuggestedSolutions (int $question_id, array $solution_from_import)
	QTIMaterialToString (ilQTIMaterial $a_material)
	Reads an QTI material tag and creates a text or XHTML string. More...

Data Fields
	$object

Protected Member Functions
	fetchIndexFromFeedbackIdent ($feedbackIdent, $prefix='response_')
	getFeedbackAnswerSpecific (ilQTIItem $item, $prefix='response_')
	addGeneralMetadata (ilQTIItem $item)
	fetchLifecycle (ilQTIItem $item)
	processNonAbstractedImageReferences ($text, $sourceNic)
	fetchAdditionalContentEditingModeInformation ($qtiItem)
	fetches the "additional content editing mode" information from qti item and falls back to ADDITIONAL_CONTENT_EDITING_MODE_RTE when no or invalid information is given More...
	findSolutionTypeByValue (string $value)
	getSuggestedSolutionsRepo ()
	deduceThumbSizeFromImportValue (?int $size)
	addQuestionToParentObjectAndBuildMappingEntry (int $questionpool_id, ?int $tst_id, int &$question_counter, ?ilObjTest &$tst_object)

Protected Attributes
SuggestedSolutionsDatabaseRepository	$suggestedsolution_repo = null

Private Attributes
Filesystem	$filesystem

Detailed Description

Class for question imports.

assQuestionImport is a basis class question imports

Author

Helmut Schottmüller helmu.nosp@m.t.sc.nosp@m.hottm.nosp@m.uell.nosp@m.er@ma.nosp@m.c.co.nosp@m.m

Version

$Id$ \

Definition at line 34 of file class.assQuestionImport.php.

Member Function Documentation

addGeneralMetadata()

assQuestionImport::addGeneralMetadata ( ilQTIItem  $item )

protected

Parameters

ilQTIItem

$item

Definition at line 194 of file class.assQuestionImport.php.

                                                          : void
    {
        if ($item->getMetadataEntry('externalID')) {
            $this->object->setExternalId($item->getMetadataEntry('externalID'));
        } else {
            $this->object->setExternalId($item->getMetadataEntry('externalId'));
        }
 
        $this->object->setLifecycle($this->fetchLifecycle($item));
    }

References ilQTIItem\getMetadataEntry().

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addQuestionToParentObjectAndBuildMappingEntry()

assQuestionImport::addQuestionToParentObjectAndBuildMappingEntry ( int  $questionpool_id, ?int  $tst_id, int &  $question_counter, ?ilObjTest &  $tst_object  )

protected

Definition at line 388 of file class.assQuestionImport.php.

     : array {
        if ($tst_id !== null && $tst_id === $questionpool_id) {
            $tst_object->questions[$question_counter++] = $this->object->getId();
            return ['pool' => 0, 'test' => $this->object->getId()];
        }
 
        if ($tst_id > 0) {
            $question_id = $this->object->duplicate(true, '', '', -1, $tst_id);
            $tst_object->questions[$question_counter++] = $question_id;
            return ['pool' => $this->object->getId(), 'test' => $question_id];
        }
        return ['pool' => $this->object->getId(), 'test' => 0];
    }

References ilObject\getId().

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deduceThumbSizeFromImportValue()

assQuestionImport::deduceThumbSizeFromImportValue ( ?int  $size )

protected

Definition at line 371 of file class.assQuestionImport.php.

                                                                 : int
    {
        if ($size === null) {
            return $this->object->getThumbSize();
        }
 
        if ($size < $this->object->getMinimumThumbSize()) {
            return $this->object->getMinimumThumbSize();
        }
 
        if ($size > $this->object->getMaximumThumbSize()) {
            return $this->object->getMaximumThumbSize();
        }
 
        return $size;
    }

References ILIAS\Repository\object().

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fetchAdditionalContentEditingModeInformation()

assQuestionImport::fetchAdditionalContentEditingModeInformation (   $qtiItem )

finalprotected

fetches the "additional content editing mode" information from qti item and falls back to ADDITIONAL_CONTENT_EDITING_MODE_RTE when no or invalid information is given

@final @access protected

Returns

string $additionalContentEditingMode

Definition at line 261 of file class.assQuestionImport.php.

                                                                                   : string
    {
        $additionalContentEditingMode = $qtiItem->getMetadataEntry('additional_cont_edit_mode');
 
        if (!$this->object->isValidAdditionalContentEditingMode($additionalContentEditingMode ?? '')) {
            $additionalContentEditingMode = assQuestion::ADDITIONAL_CONTENT_EDITING_MODE_RTE;
        }
 
        return $additionalContentEditingMode;
    }

References assQuestion\ADDITIONAL_CONTENT_EDITING_MODE_RTE, and ILIAS\Repository\object().

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fetchIndexFromFeedbackIdent()

assQuestionImport::fetchIndexFromFeedbackIdent (   $feedbackIdent,   $prefix = 'response_'  )

protected

Parameters

	$feedbackIdent
string	$prefix

Returns

int

Reimplemented in assMatchingQuestionImport.

Definition at line 122 of file class.assQuestionImport.php.

                                                                                         : int
    {
        return (int) str_replace($prefix, '', $feedbackIdent);
    }

fetchLifecycle()

assQuestionImport::fetchLifecycle ( ilQTIItem  $item )

protected

Parameters

ilQTIItem

$item

Returns

ilAssQuestionLifecycle

Definition at line 209 of file class.assQuestionImport.php.

                                                      : 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;
    }

References Vendor\Package\$e, $lifecycle, ilAssQuestionLifecycle\getDraftInstance(), ilAssQuestionLifecycle\getInstance(), and ilQTIItem\getMetadataEntry().

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findSolutionTypeByValue()

assQuestionImport::findSolutionTypeByValue ( string  $value )

protected

Definition at line 322 of file class.assQuestionImport.php.

                                                             : ?string
    {
        foreach (array_keys(SuggestedSolution::TYPES) as $type) {
            $search_type = '_' . $type . '_';
            if (strpos($value, $search_type) !== false) {
                return $type;
            }
        }
        return null;
    }

fromXML()

assQuestionImport::fromXML	(	string	$importdirectory,
		int	$user_id,
		ilQTIItem	$item,
		int	$questionpool_id,
		?int	$tst_id,
		?ilObject &	$tst_object,
		int &	$question_counter,
		array	$import_mapping
	)

Reimplemented in assClozeTestImport, assErrorTextImport, assFileUploadImport, assFormulaQuestionImport, assImagemapQuestionImport, assKprimChoiceImport, assLongMenuImport, assMatchingQuestionImport, assMultipleChoiceImport, assNumericImport, assOrderingHorizontalImport, assOrderingQuestionImport, assSingleChoiceImport, assTextQuestionImport, and assTextSubsetImport.

Definition at line 178 of file class.assQuestionImport.php.

     : array {
        return [];
    }

getFeedbackAnswerSpecific()

assQuestionImport::getFeedbackAnswerSpecific ( ilQTIItem  $item,   $prefix = 'response_'  )

protected

Parameters

ilQTIItem	$item
string	$prefix

Returns

array

Definition at line 132 of file class.assQuestionImport.php.

                                                                                        : array
    {
        $feedbacks = [];
 
        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 = $this->QTIMaterialToString($material);
            $feedbacks[$ident] = $m;
        }
 
        return $feedbacks;
    }

References QTIMaterialToString().

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getFeedbackGeneric()

assQuestionImport::getFeedbackGeneric

(

$item

)

Definition at line 63 of file class.assQuestionImport.php.

                                             : array
    {
        $feedbacksgeneric = [];
        foreach ($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 = $this->QTIMaterialToString($material);
            $feedbacksgeneric[$correctness] = $m;
        }
        return $feedbacksgeneric;
    }

References QTIMaterialToString().

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getQuestionId()

assQuestionImport::getQuestionId

(

)

Definition at line 58 of file class.assQuestionImport.php.

                                   : int
    {
        return (int) $this->object->getId();
    }

getSuggestedSolutionsRepo()

assQuestionImport::getSuggestedSolutionsRepo ( )

protected

Definition at line 335 of file class.assQuestionImport.php.

                                                  : SuggestedSolutionsDatabaseRepository
    {
        if (is_null($this->suggestedsolution_repo)) {
            $dic = QuestionPoolDIC::dic();
            $this->suggestedsolution_repo = $dic['question.repo.suggestedsolutions'];
        }
        return $this->suggestedsolution_repo;
    }

References $dic.

importSuggestedSolutions()

assQuestionImport::importSuggestedSolutions	(	int	$question_id,
		array	$solution_from_import
	)

Definition at line 272 of file class.assQuestionImport.php.

     : void {
        if (!$solution_from_import === []
            || !isset($solution_from_import[0]['solution'])) {
            return;
        }
 
        $solution_item = $solution_from_import[0]['solution'];
        $content = $solution_item->getContent();
        if ($solution_item->getTexttype() === 'application/json') {
            $content = json_decode($content, true);
            if (!isset($content['type']) || !isset($content['value'])) {
                return;
            }
            $type = $content['type'];
        } else {
            $type = $this->findSolutionTypeByValue($solution_item->getContent());
            if ($type === null) {
                return;
            }
        }
 
        $repo = $this->getSuggestedSolutionsRepo();
        $solution_object = $repo->create($question_id, $type);
 
        if ($type !== SuggestedSolution::TYPE_FILE) {
            $link = is_string($content) ? $content : $content['value'];
            $adapted_link = $this->object->resolveInternalLink($link);
            if ($adapted_link === '') {
                return;
            }
            $solution_object = $solution_object
                ->withInternalLink($adapted_link)
                ->withImportId($link);
        } else {
            if (!isset($content['title']) || !isset($content['filename'])) {
                return;
            }
            $path = str_replace(CLIENT_WEB_DIR . DIRECTORY_SEPARATOR, '', $this->object->getSuggestedSolutionPath() . $content['filename']);
            $this->filesystem->put($path, base64_decode($content['value']));
            $solution_object = $solution_object->withTitle($content['title'])
                ->withFilename($content['filename'])
                ->withSize((int) $this->filesystem->getSize($path, DataSize::Byte)->inBytes())
                ->withMime($this->filesystem->getMimeType($path));
        }
        $repo->update([$solution_object]);
    }

processNonAbstractedImageReferences()

assQuestionImport::processNonAbstractedImageReferences (   $text,   $sourceNic  )

protected

Definition at line 232 of file class.assQuestionImport.php.

                                                                             : string
    {
        $reg = '/<img.*src=".*\\/mm_(\\d+)\\/(.*?)".*>/m';
        $matches = null;
 
        if (preg_match_all($reg, $text, $matches)) {
            $mobs = [];
            for ($i = 0, $max = count($matches[1]); $i < $max; $i++) {
                $mobSrcId = $matches[1][$i];
                $mobSrcName = $matches[2][$i];
                $mobSrcLabel = 'il_' . $sourceNic . '_mob_' . $mobSrcId;
                $mobs[] = [
                    "mob" => $mobSrcLabel, "uri" => 'objects/' . $mobSrcLabel . '/' . $mobSrcName
                ];
            }
            ilSession::set('import_mob_xhtml', $mobs);
        }
 
        return ilRTE::_replaceMediaObjectImageSrc($text, 0, $sourceNic);
    }

References ilRTE\_replaceMediaObjectImageSrc(), and ilSession\set().

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QTIMaterialToString()

assQuestionImport::QTIMaterialToString

(

ilQTIMaterial

$a_material

)

Reads an QTI material tag and creates a text or XHTML string.

Returns

string text or xhtml string

Definition at line 348 of file class.assQuestionImport.php.

                                                                  : string
    {
        $result = '';
        $mobs = ilSession::get('import_mob_xhtml') ?? [];
        for ($i = 0; $i < $a_material->getMaterialCount(); $i++) {
            $material = $a_material->getMaterial($i);
            switch ($material['type']) {
                case 'mattext':
                    $result .= $material['material']->getContent();
                    break;
                case 'matimage':
                    $matimage = $material['material'];
                    if (preg_match("/(il_([0-9]+)_mob_([0-9]+))/", $matimage->getLabel(), $matches)) {
                        $mobs[] = ["mob" => $matimage->getLabel(),
                                        "uri" => $matimage->getUri()
                        ];
                    }
            }
        }
        ilSession::set('import_mob_xhtml', $mobs);
        return $result;
    }

References ilSession\get(), ilQTIMaterial\getMaterial(), ilQTIMaterial\getMaterialCount(), and ilSession\set().

Referenced by assImagemapQuestionImport\fromXML(), assKprimChoiceImport\fromXML(), assSingleChoiceImport\fromXML(), getFeedbackAnswerSpecific(), and getFeedbackGeneric().

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Field Documentation

$filesystem

Filesystem assQuestionImport::$filesystem

private

Definition at line 41 of file class.assQuestionImport.php.

$object

assQuestionImport::$object

Definition at line 39 of file class.assQuestionImport.php.

$suggestedsolution_repo

SuggestedSolutionsDatabaseRepository assQuestionImport::$suggestedsolution_repo = null

protected

Definition at line 334 of file class.assQuestionImport.php.

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The documentation for this class was generated from the following file:

• components/ILIAS/TestQuestionPool/classes/import/qti12/class.assQuestionImport.php