%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/* For licensing terms, see /license.txt */
class Cc13Quiz extends Cc13Entities
{
/**
* Get all data from the object instance (coming from the xml file) into a clean array.
*
* @return array
*/
public function generateData()
{
$data = [];
$instances = $this->generateInstances();
if (!empty($instances)) {
foreach ($instances as $instance) {
if ($instance['is_question_bank'] == 0) {
$data[] = $this->getQuizData($instance);
}
}
}
return $data;
}
/**
* Create a quiz based on the information available in the assessment structure.
*
* @param $quiz
*
* @return void
*/
public function storeQuiz($quiz)
{
$token = '/\$(?:IMS|1EdTech)[-_]CC[-_]FILEBASE\$\.\.\//';
$courseInfo = api_get_course_info();
// Replace by the path in documents in which we place all relevant CC files
$replacementPath = '/courses/'.$courseInfo['directory'].'/document/commoncartridge/';
$exercise = new Exercise($courseInfo['real_id']);
$title = Exercise::format_title_variable($quiz['title']);
$exercise->updateTitle($title);
$description = preg_replace($token, $replacementPath, $quiz['description']);
$exercise->updateDescription($description);
$exercise->updateAttempts($quiz['max_attempts']);
$exercise->updateFeedbackType(0);
$exercise->setRandom(0);
$exercise->updateRandomAnswers(!empty($moduleValues['shuffleanswers']));
$exercise->updateExpiredTime((int) $quiz['timelimit']);
$exercise->updateType(1);
// Create the new Quiz
$exercise->save();
if (!empty($quiz['questions'])) {
foreach ($quiz['questions'] as $question) {
$qtype = $question['type'];
$types = [
'unique_answer' => UNIQUE_ANSWER,
'multiple_answer' => MULTIPLE_ANSWER,
'fib' => FILL_IN_BLANKS,
'essay' => FREE_ANSWER,
];
$questionType = $types[$qtype];
$questionInstance = Question::getInstance($questionType);
if (empty($questionInstance)) {
continue;
}
$questionInstance->updateTitle(substr(Security::remove_XSS(strip_tags_blacklist($question['title'], ['br', 'p'])), 0, 20));
$questionText = Security::remove_XSS(strip_tags_blacklist($question['title'], ['br', 'p']));
// Replace the path from $1EdTech-CC-FILEBASE$ to a correct chamilo path
$questionText = preg_replace($token, $replacementPath, $questionText);
$questionInstance->updateDescription($questionText);
$questionInstance->updateLevel(1);
$questionInstance->updateCategory(0);
//Save normal question if NOT media
if ($questionInstance->type != MEDIA_QUESTION) {
$questionInstance->save($exercise);
// modify the exercise
$exercise->addToList($questionInstance->iid);
$exercise->update_question_positions();
}
if ($qtype == 'unique_answer') {
$objAnswer = new Answer($questionInstance->iid);
$questionWeighting = 0;
foreach ($question['answers'] as $slot => $answerValues) {
$correct = $answerValues['score'] ? (int) $answerValues['score'] : 0;
$answer = Security::remove_XSS(preg_replace($token, $replacementPath, $answerValues['title']));
$comment = Security::remove_XSS(preg_replace($token, $replacementPath, $answerValues['feedback']));
$weighting = $answerValues['score'];
$weighting = abs($weighting);
if ($weighting > 0) {
$questionWeighting += $weighting;
}
$goodAnswer = $correct ? true : false;
$objAnswer->createAnswer(
$answer,
$goodAnswer,
$comment,
$weighting,
$slot + 1,
null,
null,
''
);
}
// saves the answers into the database
$objAnswer->save();
// sets the total weighting of the question
$questionInstance->updateWeighting($questionWeighting);
$questionInstance->save($exercise);
} else {
$objAnswer = new Answer($questionInstance->iid);
$questionWeighting = 0;
if (is_array($question['answers'])) {
foreach ($question['answers'] as $slot => $answerValues) {
$answer = Security::remove_XSS(preg_replace($token, $replacementPath, $answerValues['title']));
$comment = Security::remove_XSS(preg_replace($token, $replacementPath, $answerValues['feedback']));
$weighting = $answerValues['score'];
if ($weighting > 0) {
$questionWeighting += $weighting;
}
$goodAnswer = $weighting > 0;
$objAnswer->createAnswer(
$answer,
$goodAnswer,
$comment,
$weighting,
$slot + 1,
null,
null,
''
);
}
} elseif ($qtype == 'essay') {
$questionWeighting = $question['ponderation'];
}
// saves the answers into the database
$objAnswer->save();
// sets the total weighting of the question
$questionInstance->updateWeighting($questionWeighting);
$questionInstance->save($exercise);
}
}
}
}
public function storeQuizzes($quizzes)
{
if (!empty($quizzes)) {
foreach ($quizzes as $quiz) {
$this->storeQuiz($quiz);
}
}
}
public function getQuizData($instance)
{
$values = [];
if (!empty($instance)) {
$questions = [];
if (!empty($instance['questions'])) {
foreach ($instance['questions'] as $question) {
$questions[$question['id']] = [
'title' => $question['title'],
'type' => $question['qtype'],
'ponderation' => $question['defaultgrade'],
'answers' => $question['answers'],
];
}
}
$values = [
'id' => $instance['id'],
'title' => $instance['title'],
'description' => $instance['description'],
'timelimit' => $instance['options']['timelimit'],
'max_attempts' => $instance['options']['max_attempts'],
'questions' => $questions,
];
}
return $values;
}
private function generateInstances()
{
$lastInstanceId = 0;
$lastQuestionId = 0;
$lastAnswerId = 0;
$instances = [];
$types = [TOOL_TYPE_QUIZ];
foreach ($types as $type) {
if (!empty(Cc1p3Convert::$instances['instances'][$type])) {
foreach (Cc1p3Convert::$instances['instances'][$type] as $instance) {
if ($type == TOOL_TYPE_QUIZ) {
$is_question_bank = 0;
} else {
$is_question_bank = 1;
}
// Get the path of the assessment.xml file
$assessmentFile = $this->getExternalXml($instance['resource_identifier']);
if (!empty($assessmentFile)) {
$assessment = $this->loadXmlResource(Cc1p3Convert::$pathToManifestFolder.DIRECTORY_SEPARATOR.$assessmentFile);
if (!empty($assessment)) {
$replaceValues = ['unlimited' => 0];
$questions = $this->getQuestions($assessment, $lastQuestionId, $lastAnswerId, dirname($assessmentFile), $is_question_bank);
$questionCount = count($questions);
if (!empty($questionCount)) {
$lastInstanceId++;
$instances[$instance['resource_identifier']]['questions'] = $questions;
$instances[$instance['resource_identifier']]['id'] = $lastInstanceId;
$instances[$instance['resource_identifier']]['title'] = $instance['title'];
$instances[$instance['resource_identifier']]['description'] = $this->getQuizDescription($assessment);
$instances[$instance['resource_identifier']]['is_question_bank'] = $is_question_bank;
$instances[$instance['resource_identifier']]['options']['timelimit'] = $this->getGlobalConfig($assessment, 'qmd_timelimit', 0);
$instances[$instance['resource_identifier']]['options']['max_attempts'] = $this->getGlobalConfig($assessment, 'cc_maxattempts', 0, $replaceValues);
}
}
}
}
}
}
return $instances;
}
private function getGlobalConfig($assessment, $option, $defaultValue, $replaceValues = '')
{
$xpath = Cc1p3Convert::newxPath($assessment, Cc1p3Convert::getquizns());
$metadata = $xpath->query('/xmlns:questestinterop/xmlns:assessment/xmlns:qtimetadata/xmlns:qtimetadatafield');
foreach ($metadata as $field) {
$fieldLabel = $xpath->query('xmlns:fieldlabel', $field);
$fieldLabel = !empty($fieldLabel->item(0)->nodeValue) ? $fieldLabel->item(0)->nodeValue : '';
if (strtolower($fieldLabel) == strtolower($option)) {
$fieldEntry = $xpath->query('xmlns:fieldentry', $field);
$response = !empty($fieldEntry->item(0)->nodeValue) ? $fieldEntry->item(0)->nodeValue : '';
}
}
$response = !empty($response) ? trim($response) : '';
if (!empty($replaceValues)) {
foreach ($replaceValues as $key => $value) {
$response = ($key == $response) ? $value : $response;
}
}
$response = empty($response) ? $defaultValue : $response;
return $response;
}
private function getQuizDescription(DOMDocument $assessment): string
{
$xpath = Cc1p3Convert::newxPath($assessment, Cc1p3Convert::getquizns());
$fieldEntry = $xpath->query('/xmlns:questestinterop/xmlns:assessment/xmlns:rubric/xmlns:material/xmlns:mattext');
$response = !empty($fieldEntry->item(0)->nodeValue) ? $fieldEntry->item(0)->nodeValue : '';
return $response;
}
private function getQuestions($assessment, &$lastQuestionId, &$last_answer_id, $rootPath, $is_question_bank)
{
$questions = [];
$xpath = Cc1p3Convert::newxPath($assessment, Cc1p3Convert::getquizns());
if (!$is_question_bank) {
$questionsItems = $xpath->query('/xmlns:questestinterop/xmlns:assessment/xmlns:section/xmlns:item');
} else {
$questionsItems = $xpath->query('/xmlns:questestinterop/xmlns:objectbank/xmlns:item');
}
foreach ($questionsItems as $question_item) {
$countQuestions = $xpath->evaluate('count(xmlns:presentation/xmlns:flow/xmlns:material/xmlns:mattext)', $question_item);
if ($countQuestions == 0) {
$questionTitle = $xpath->query('xmlns:presentation/xmlns:material/xmlns:mattext', $question_item);
} else {
$questionTitle = $xpath->query('xmlns:presentation/xmlns:flow/xmlns:material/xmlns:mattext', $question_item);
}
$questionTitle = !empty($questionTitle->item(0)->nodeValue) ? $questionTitle->item(0)->nodeValue : '';
$questionIdentifier = $xpath->query('@ident', $question_item);
$questionIdentifier = !empty($questionIdentifier->item(0)->nodeValue) ? $questionIdentifier->item(0)->nodeValue : '';
if (!empty($questionIdentifier)) {
$questionType = $this->getQuestionType($questionIdentifier, $assessment);
if (!empty($questionType['qtype'])) {
$lastQuestionId++;
$questions[$questionIdentifier]['id'] = $lastQuestionId;
$questionTitle = $this->updateSources($questionTitle, $rootPath);
$questionTitle = !empty($questionTitle) ? str_replace("%24", "\$", $this->includeTitles($questionTitle)) : '';
$questionname = $xpath->query('@title', $question_item);
$questionname = !empty($questionname->item(0)->nodeValue) ? $questionname->item(0)->nodeValue : '';
$questions[$questionIdentifier]['title'] = $questionTitle;
$questions[$questionIdentifier]['name'] = $questionname;
$questions[$questionIdentifier]['identifier'] = $questionIdentifier;
$questions[$questionIdentifier]['qtype'] = $questionType['qtype'];
$questions[$questionIdentifier]['cc_type'] = $questionType['cc'];
$questions[$questionIdentifier]['feedback'] = $this->getGeneralFeedback($assessment, $questionIdentifier);
$questions[$questionIdentifier]['defaultgrade'] = $this->getDefaultgrade($assessment, $questionIdentifier);
$questions[$questionIdentifier]['answers'] = $this->getAnswers($questionIdentifier, $assessment, $lastAnswerId);
}
}
}
$questions = !empty($questions) ? $questions : '';
return $questions;
}
private function getDefaultgrade($assessment, $questionIdentifier)
{
$result = 1;
$xpath = Cc1p3Convert::newxPath($assessment, Cc1p3Convert::getquizns());
$query = '//xmlns:item[@ident="'.$questionIdentifier.'"]';
$query .= '//xmlns:qtimetadatafield[xmlns:fieldlabel="cc_weighting"]/xmlns:fieldentry';
$defgrade = $xpath->query($query);
if (!empty($defgrade) && ($defgrade->length > 0)) {
$resp = (int) $defgrade->item(0)->nodeValue;
if ($resp >= 0 && $resp <= 99) {
$result = $resp;
}
}
return $result;
}
private function getGeneralFeedback($assessment, $questionIdentifier)
{
$xpath = Cc1p3Convert::newxPath($assessment, Cc1p3Convert::getquizns());
$respconditions = $xpath->query('//xmlns:item[@ident="'.$questionIdentifier.'"]/xmlns:resprocessing/xmlns:respcondition');
if (!empty($respconditions)) {
foreach ($respconditions as $respcondition) {
$continue = $respcondition->getAttributeNode('continue');
$continue = !empty($continue->nodeValue) ? strtolower($continue->nodeValue) : '';
if ($continue == 'yes') {
$displayFeedback = $xpath->query('xmlns:displayfeedback', $respcondition);
if (!empty($displayFeedback)) {
foreach ($displayFeedback as $feedback) {
$feedbackIdentifier = $feedback->getAttributeNode('linkrefid');
$feedbackIdentifier = !empty($feedbackIdentifier->nodeValue) ? $feedbackIdentifier->nodeValue : '';
if (!empty($feedbackIdentifier)) {
$feedbackIdentifiers[] = $feedbackIdentifier;
}
}
}
}
}
}
$feedback = '';
$feedbackIdentifiers = empty($feedbackIdentifiers) ? '' : $feedbackIdentifiers;
if (!empty($feedbackIdentifiers)) {
foreach ($feedbackIdentifiers as $feedbackIdentifier) {
$feedbacks = $xpath->query('//xmlns:item[@ident="'.$questionIdentifier.'"]/xmlns:itemfeedback[@ident="'.$feedbackIdentifier.'"]/xmlns:flow_mat/xmlns:material/xmlns:mattext');
$feedback .= !empty($feedbacks->item(0)->nodeValue) ? $feedbacks->item(0)->nodeValue.' ' : '';
}
}
return $feedback;
}
private function getFeedback($assessment, $identifier, $itemIdentifier, $questionType)
{
$xpath = Cc1p3Convert::newxPath($assessment, Cc1p3Convert::getquizns());
$resourceProcessing = $xpath->query('//xmlns:item[@ident="'.$itemIdentifier.'"]/xmlns:resprocessing/xmlns:respcondition');
if (!empty($resourceProcessing)) {
foreach ($resourceProcessing as $response) {
$varequal = $xpath->query('xmlns:conditionvar/xmlns:varequal', $response);
$varequal = !empty($varequal->item(0)->nodeValue) ? $varequal->item(0)->nodeValue : '';
if (strtolower($varequal) == strtolower($identifier) || ($questionType == CC_QUIZ_ESSAY)) {
$displayFeedback = $xpath->query('xmlns:displayfeedback', $response);
if (!empty($displayFeedback)) {
foreach ($displayFeedback as $feedback) {
$feedbackIdentifier = $feedback->getAttributeNode('linkrefid');
$feedbackIdentifier = !empty($feedbackIdentifier->nodeValue) ? $feedbackIdentifier->nodeValue : '';
if (!empty($feedbackIdentifier)) {
$feedbackIdentifiers[] = $feedbackIdentifier;
}
}
}
}
}
}
$feedback = '';
$feedbackIdentifiers = empty($feedbackIdentifiers) ? '' : $feedbackIdentifiers;
if (!empty($feedbackIdentifiers)) {
foreach ($feedbackIdentifiers as $feedbackIdentifier) {
$feedbacks = $xpath->query('//xmlns:item[@ident="'.$itemIdentifier.'"]/xmlns:itemfeedback[@ident="'.$feedbackIdentifier.'"]/xmlns:flow_mat/xmlns:material/xmlns:mattext');
$feedback .= !empty($feedbacks->item(0)->nodeValue) ? $feedbacks->item(0)->nodeValue.' ' : '';
}
}
return $feedback;
}
private function getAnswersFib($questionIdentifier, $identifier, $assessment, &$lastAnswerId)
{
$xpath = Cc1p3Convert::newxPath($assessment, Cc1p3Convert::getquizns());
$correctanswersfib = [];
$incorrectanswersfib = [];
$responseItems = $xpath->query('//xmlns:item[@ident="'.$questionIdentifier.'"]/xmlns:resprocessing/xmlns:respcondition');
$correctrespcond = $xpath->query('//xmlns:item[@ident="'.$questionIdentifier.'"]/xmlns:resprocessing/xmlns:respcondition/xmlns:setvar[text()="100"]/..');
$correctanswers = $xpath->query('xmlns:conditionvar/xmlns:varequal', $correctrespcond->item(0));
// Correct answers.
foreach ($correctanswers as $correctans) {
$answertitle = !empty($correctans->nodeValue) ? $correctans->nodeValue : '';
if (empty($answertitle)) {
continue;
}
$lastAnswerId++;
$correctanswersfib[$answertitle] = [
'id' => $lastAnswerId,
'title' => $answertitle,
'score' => 1,
'feedback' => '',
'case' => 0, ];
}
// Handle incorrect answers and feedback for all items.
foreach ($responseItems as $response_item) {
$setvar = $xpath->query('xmlns:setvar', $response_item);
if (!empty($setvar->length) && $setvar->item(0)->nodeValue == '100') {
// Skip the correct answer responsecondition.
continue;
}
$varequal = $xpath->query('xmlns:conditionvar/xmlns:varequal', $response_item);
if (empty($varequal->length)) {
// Skip respcondition elements that don't have varequal containing an answer
continue;
}
$answerTitle = !empty($varequal->item(0)->nodeValue) ? $varequal->item(0)->nodeValue : '';
$displayFeedback = $xpath->query('xmlns:displayfeedback', $response_item);
unset($feedbackIdentifiers);
if (!empty($displayFeedback)) {
foreach ($displayFeedback as $feedback) {
$feedbackIdentifier = $feedback->getAttributeNode('linkrefid');
$feedbackIdentifier = !empty($feedbackIdentifier->nodeValue) ? $feedbackIdentifier->nodeValue : '';
if (!empty($feedbackIdentifier)) {
$feedbackIdentifiers[] = $feedbackIdentifier;
}
}
}
$feedback = '';
$feedbackIdentifiers = empty($feedbackIdentifiers) ? '' : $feedbackIdentifiers;
if (!empty($feedbackIdentifiers)) {
foreach ($feedbackIdentifiers as $feedbackIdentifier) {
$feedbacks = $xpath->query('//xmlns:item[@ident="'.$questionIdentifier.'"]/xmlns:itemfeedback[@ident="'.$feedbackIdentifier.'"]/xmlns:flow_mat/xmlns:material/xmlns:mattext');
$feedback .= !empty($feedbacks->item(0)->nodeValue) ? $feedbacks->item(0)->nodeValue.' ' : '';
}
}
if (array_key_exists($answerTitle, $correctanswersfib)) {
// Already a correct answer, just need the feedback for the correct answer.
$correctanswerfib[$answerTitle]['feedback'] = $feedback;
} else {
// Need to add an incorrect answer.
$lastAnswerId++;
$incorrectanswersfib[] = [
'id' => $lastAnswerId,
'title' => $answerTitle,
'score' => 0,
'feedback' => $feedback,
'case' => 0, ];
}
}
$answersFib = array_merge($correctanswersfib, $incorrectanswersfib);
$answersFib = empty($answersFib) ? '' : $answersFib;
return $answersFib;
}
private function getAnswersPatternMatch($questionIdentifier, $identifier, $assessment, &$lastAnswerId)
{
$xpath = Cc1p3Convert::newxPath($assessment, Cc1p3Convert::getquizns());
$answersFib = [];
$responseItems = $xpath->query('//xmlns:item[@ident="'.$questionIdentifier.'"]/xmlns:resprocessing/xmlns:respcondition');
foreach ($responseItems as $response_item) {
$setvar = $xpath->query('xmlns:setvar', $response_item);
$setvar = is_object($setvar->item(0)) ? $setvar->item(0)->nodeValue : '';
if ($setvar != '') {
$lastAnswerId++;
$answerTitle = $xpath->query('xmlns:conditionvar/xmlns:varequal[@respident="'.$identifier.'"]', $response_item);
$answerTitle = !empty($answerTitle->item(0)->nodeValue) ? $answerTitle->item(0)->nodeValue : '';
if (empty($answerTitle)) {
$answerTitle = $xpath->query('xmlns:conditionvar/xmlns:varsubstring[@respident="'.$identifier.'"]', $response_item);
$answerTitle = !empty($answerTitle->item(0)->nodeValue) ? '*'.$answerTitle->item(0)->nodeValue.'*' : '';
}
if (empty($answerTitle)) {
$answerTitle = '*';
}
$case = $xpath->query('xmlns:conditionvar/xmlns:varequal/@case', $response_item);
$case = is_object($case->item(0)) ? $case->item(0)->nodeValue : 'no'
;
$case = strtolower($case) == 'yes' ? 1 :
0;
$displayFeedback = $xpath->query('xmlns:displayfeedback', $response_item);
unset($feedbackIdentifiers);
if (!empty($displayFeedback)) {
foreach ($displayFeedback as $feedback) {
$feedbackIdentifier = $feedback->getAttributeNode('linkrefid');
$feedbackIdentifier = !empty($feedbackIdentifier->nodeValue) ? $feedbackIdentifier->nodeValue : '';
if (!empty($feedbackIdentifier)) {
$feedbackIdentifiers[] = $feedbackIdentifier;
}
}
}
$feedback = '';
$feedbackIdentifiers = empty($feedbackIdentifiers) ? '' : $feedbackIdentifiers;
if (!empty($feedbackIdentifiers)) {
foreach ($feedbackIdentifiers as $feedbackIdentifier) {
$feedbacks = $xpath->query('//xmlns:item[@ident="'.$questionIdentifier.'"]/xmlns:itemfeedback[@ident="'.$feedbackIdentifier.'"]/xmlns:flow_mat/xmlns:material/xmlns:mattext');
$feedback .= !empty($feedbacks->item(0)->nodeValue) ? $feedbacks->item(0)->nodeValue.' ' : '';
}
}
$answersFib[] = ['id' => $lastAnswerId,
'title' => $answerTitle,
'score' => $setvar,
'feedback' => $feedback,
'case' => $case, ];
}
}
$answersFib = empty($answersFib) ? '' : $answersFib;
return $answersFib;
}
private function getAnswers($identifier, $assessment, &$lastAnswerId)
{
$xpath = Cc1p3Convert::newxPath($assessment, Cc1p3Convert::getquizns());
$answers = [];
$questionCcType = $this->getQuestionType($identifier, $assessment);
$questionCcType = $questionCcType['cc'];
$isMultiresponse = ($questionCcType == CC_QUIZ_MULTIPLE_RESPONSE);
if ($questionCcType == CC_QUIZ_MULTIPLE_CHOICE || $isMultiresponse || $questionCcType == CC_QUIZ_TRUE_FALSE) {
$queryAnswers = '//xmlns:item[@ident="'.$identifier.'"]/xmlns:presentation/xmlns:response_lid/xmlns:render_choice/xmlns:response_label';
$queryAnswersWithFlow = '//xmlns:item[@ident="'.$identifier.'"]/xmlns:presentation/xmlns:flow/xmlns:response_lid/xmlns:render_choice/xmlns:response_label';
$queryIndentifer = '@ident';
$queryTitle = 'xmlns:material/xmlns:mattext';
}
if ($questionCcType == CC_QUIZ_ESSAY) {
$queryAnswers = '//xmlns:item[@ident="'.$identifier.'"]/xmlns:presentation/xmlns:response_str';
$queryAnswersWithFlow = '//xmlns:item[@ident="'.$identifier.'"]/xmlns:presentation/xmlns:flow/xmlns:response_str';
$queryIndentifer = '@ident';
$queryTitle = 'xmlns:render_fib';
}
if ($questionCcType == CC_QUIZ_FIB || $questionCcType == CC_QUIZ_PATTERN_MACHT) {
$xpathQuery = '//xmlns:item[@ident="'.$identifier.'"]/xmlns:presentation/xmlns:response_str/@ident';
$xpathQueryWithFlow = '//xmlns:item[@ident="'.$identifier.'"]/xmlns:presentation/xmlns:flow/xmlns:response_str/@ident';
$countResponse = $xpath->evaluate('count('.$xpathQueryWithFlow.')');
if ($countResponse == 0) {
$answerIdentifier = $xpath->query($xpathQuery);
} else {
$answerIdentifier = $xpath->query($xpathQueryWithFlow);
}
$answerIdentifier = !empty($answerIdentifier->item(0)->nodeValue) ? $answerIdentifier->item(0)->nodeValue : '';
if ($questionCcType == CC_QUIZ_FIB) {
$answers = $this->getAnswersFib($identifier, $answerIdentifier, $assessment, $lastAnswerId);
} else {
$answers = $this->getAnswersPatternMatch($identifier, $answerIdentifier, $assessment, $lastAnswerId);
}
} else {
$countResponse = $xpath->evaluate('count('.$queryAnswersWithFlow.')');
if ($countResponse == 0) {
$responseItems = $xpath->query($queryAnswers);
} else {
$responseItems = $xpath->query($queryAnswersWithFlow);
}
if (!empty($responseItems)) {
if ($isMultiresponse) {
$correctAnswerScore = 0;
//get the correct answers count
$canswers_query = "//xmlns:item[@ident='{$identifier}']//xmlns:setvar[@varname='SCORE'][.=100]/../xmlns:conditionvar//xmlns:varequal[@case='Yes'][not(parent::xmlns:not)]";
$canswers = $xpath->query($canswers_query);
if ($canswers->length > 0) {
$correctAnswerScore = round(1.0 / (float) $canswers->length, 7); //weird
$correctAanswersIdent = [];
foreach ($canswers as $cnode) {
$correctAanswersIdent[$cnode->nodeValue] = true;
}
}
}
foreach ($responseItems as $response_item) {
$lastAnswerId++;
$answerIdentifier = $xpath->query($queryIndentifer, $response_item);
$answerIdentifier = !empty($answerIdentifier->item(0)->nodeValue) ? $answerIdentifier->item(0)->nodeValue : '';
$answerTitle = $xpath->query($queryTitle, $response_item);
$answerTitle = !empty($answerTitle->item(0)->nodeValue) ? $answerTitle->item(0)->nodeValue : '';
$answerFeedback = $this->getFeedback($assessment, $answerIdentifier, $identifier, $questionCcType);
$answer_score = $this->getScore($assessment, $answerIdentifier, $identifier);
if ($isMultiresponse && isset($correctAanswersIdent[$answerIdentifier])) {
$answer_score = $correctAnswerScore;
}
$answers[] = ['id' => $lastAnswerId,
'title' => $answerTitle,
'score' => $answer_score,
'identifier' => $answerIdentifier,
'feedback' => $answerFeedback, ];
}
}
}
$answers = empty($answers) ? '' : $answers;
return $answers;
}
private function getScore($assessment, $identifier, $questionIdentifier)
{
$xpath = Cc1p3Convert::newxPath($assessment, Cc1p3Convert::getquizns());
$resourceProcessing = $xpath->query('//xmlns:item[@ident="'.$questionIdentifier.'"]/xmlns:resprocessing/xmlns:respcondition');
if (!empty($resourceProcessing)) {
foreach ($resourceProcessing as $response) {
$questionCcType = $this->getQuestionType($questionIdentifier, $assessment);
$questionCcType = $questionCcType['cc'];
$varequal = $xpath->query('xmlns:conditionvar/xmlns:varequal', $response);
$varequal = !empty($varequal->item(0)->nodeValue) ? $varequal->item(0)->nodeValue : '';
if (strtolower($varequal) == strtolower($identifier)) {
$score = $xpath->query('xmlns:setvar', $response);
$score = !empty($score->item(0)->nodeValue) ? $score->item(0)->nodeValue : '';
}
}
}
$score = empty($score) ? "0.0000000" : '1.0000000';
return $score;
}
private function getQuestionType($identifier, $assessment)
{
$xpath = Cc1p3Convert::newxPath($assessment, Cc1p3Convert::getquizns());
$metadata = $xpath->query('//xmlns:item[@ident="'.$identifier.'"]/xmlns:itemmetadata/xmlns:qtimetadata/xmlns:qtimetadatafield');
foreach ($metadata as $field) {
$fieldLabel = $xpath->query('xmlns:fieldlabel', $field);
$fieldLabel = !empty($fieldLabel->item(0)->nodeValue) ? $fieldLabel->item(0)->nodeValue : '';
if ($fieldLabel == 'cc_profile') {
$fieldEntry = $xpath->query('xmlns:fieldentry', $field);
$type = !empty($fieldEntry->item(0)->nodeValue) ? $fieldEntry->item(0)->nodeValue : '';
}
}
$returnType = [];
$returnType['qtype'] = '';
$returnType['cc'] = $type;
switch ($type) {
case CC_QUIZ_MULTIPLE_CHOICE:
$returnType['qtype'] = 'unique_answer';
break;
case CC_QUIZ_MULTIPLE_RESPONSE:
$returnType['qtype'] = 'multiple_answer';
break;
case CC_QUIZ_FIB:
$returnType['qtype'] = 'fib';
break;
case CC_QUIZ_ESSAY:
$returnType['qtype'] = 'essay';
break;
}
return $returnType;
}
}
Zerion Mini Shell 1.0