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<?php |
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/* For licensing terms, see /license.txt */ |
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use Chamilo\CourseBundle\Entity\CSurveyAnswer; |
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use Chamilo\CourseBundle\Entity\CSurveyQuestionOption; |
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require_once __DIR__.'/../../main/inc/global.inc.php'; |
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api_protect_course_script(true); |
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api_protect_teacher_script(); |
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$surveyId = isset($_GET['survey']) ? (int) $_GET['survey'] : 0; |
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$surveyData = SurveyManager::get_survey($surveyId); |
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$courseId = api_get_course_int_id(); |
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if (empty($surveyData)) { |
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api_not_allowed(true); |
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} |
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$plugin = SurveyExportCsvPlugin::create(); |
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$allowExportIncomplete = 'true' === $plugin->get('export_incomplete'); |
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if ($plugin->get('enabled') !== 'true') { |
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api_not_allowed(true); |
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} |
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$questionsData = SurveyManager::get_questions($surveyId, $courseId); |
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// Sort questions by their "sort" field |
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$questionsData = array_filter( |
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$questionsData, |
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function ($questionData) { |
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return in_array($questionData['type'], ['yesno', 'multiplechoice', 'open']); |
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} |
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); |
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$numberOfQuestions = count($questionsData); |
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usort( |
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$questionsData, |
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function ($qL, $qR) { |
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if ($qL['sort'] == $qR['sort']) { |
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return 0; |
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} |
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return $qL['sort'] < $qR['sort'] ? -1 : 1; |
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} |
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); |
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$content = []; |
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$content[] = firstRow($questionsData); |
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$surveyAnswers = getSurveyAnswers($courseId, $surveyId); |
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// Process answers |
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$i = 1; |
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foreach ($surveyAnswers as $answer) { |
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$row = otherRow($questionsData, $answer['user'], $courseId); |
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if (!$allowExportIncomplete && count($row) < $numberOfQuestions) { |
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continue; |
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} |
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array_unshift($row, $i); |
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$content[] = $row; |
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$i++; |
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} |
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// Generate file |
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$fileName = md5($surveyId.time()); |
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Export::arrayToCsv($content, $fileName, false, "'"); |
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/** |
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* Generate the first row for file. |
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* |
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* @param $questions |
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* |
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* @return array |
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*/ |
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function firstRow($questions) |
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{ |
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array_pop($questions); |
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$positions = array_keys($questions); |
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$row = ['DATID']; |
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foreach ($positions as $position) { |
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$row[] = sprintf("P%02d", $position + 1); |
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} |
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$row[] = 'DATOBS'; |
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return $row; |
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} |
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/** |
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* Get unique answer for surveys by users. |
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* |
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* @param int $courseId |
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* @param int $surveyId |
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* |
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* @return array |
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*/ |
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function getSurveyAnswers($courseId, $surveyId) |
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{ |
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$surveyAnswers = Database::getManager() |
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->createQuery( |
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'SELECT sa.user, MIN(sa.iid) AS id FROM ChamiloCourseBundle:CSurveyAnswer sa |
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WHERE sa.cId = :course AND sa.surveyId = :survey |
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GROUP BY sa.user ORDER BY id ASC' |
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) |
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->setParameters(['course' => $courseId, 'survey' => $surveyId]) |
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->getResult(); |
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return $surveyAnswers; |
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} |
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/** |
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* @param string $user |
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* @param int $courseId |
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* @param int $surveyId |
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* @param int $questionId |
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* |
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* @return array |
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*/ |
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function getQuestionOptions($user, $courseId, $surveyId, $questionId) |
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{ |
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$options = Database::getManager() |
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->createQuery( |
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'SELECT sqo FROM ChamiloCourseBundle:CSurveyQuestionOption sqo |
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INNER JOIN ChamiloCourseBundle:CSurveyAnswer sa |
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WITH |
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sqo.cId = sa.cId |
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AND sqo.questionId = sa.questionId |
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AND sqo.surveyId = sa.surveyId |
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AND sqo.iid = sa.optionId |
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WHERE sa.user = :user AND sa.cId = :course AND sa.surveyId = :survey AND sa.questionId = :question' |
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) |
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->setParameters( |
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[ |
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'user' => $user, |
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'course' => $courseId, |
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'survey' => $surveyId, |
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'question' => $questionId, |
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] |
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) |
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->getResult(); |
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return $options; |
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} |
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/** |
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* @param int $questionId |
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* @param int $surveyId |
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* @param int $courseId |
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* @param string $user |
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* |
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* @throws \Doctrine\ORM\NonUniqueResultException |
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* |
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* @return CSurveyAnswer|null |
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*/ |
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function getOpenAnswer($questionId, $surveyId, $courseId, $user) |
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{ |
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$answer = Database::getManager() |
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->createQuery( |
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'SELECT sa FROM ChamiloCourseBundle:CSurveyAnswer sa |
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WHERE sa.cId = :course AND sa.surveyId = :survey AND sa.questionId = :question AND sa.user = :user' |
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) |
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->setParameters(['course' => $courseId, 'survey' => $surveyId, 'question' => $questionId, 'user' => $user]) |
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->getOneOrNullResult(); |
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return $answer; |
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} |
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/** |
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* Generate the content rows for file. |
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* |
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* @param array $questions |
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* @param string $user |
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* @param int $courseId |
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* |
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* @throws \Doctrine\ORM\NonUniqueResultException |
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* |
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* @return array |
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*/ |
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function otherRow($questions, $user, $courseId) |
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{ |
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$row = []; |
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foreach ($questions as $question) { |
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if ('open' === $question['type']) { |
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$answer = getOpenAnswer($question['question_id'], $question['survey_id'], $courseId, $user); |
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if ($answer) { |
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$row[] = Security::remove_XSS($answer->getOptionId()); |
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} |
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} else { |
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$options = getQuestionOptions( |
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$user, |
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$courseId, |
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$question['survey_id'], |
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$question['question_id'] |
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); |
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/** @var CSurveyQuestionOption|null $option */ |
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$option = end($options); |
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if ($option) { |
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$value = $option->getSort(); |
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$row[] = '"'.$value.'"'; |
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} |
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} |
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} |
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return $row; |
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} |
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chamilo /
chamilo-lms
