MatchingResponse.php in Quiz 8.5

Namespace

Drupal\quiz_matching\Plugin\quiz\QuizQuestion

File

question_types/quiz_matching/src/Plugin/quiz/QuizQuestion/MatchingResponse.php

<?php

namespace Drupal\quiz_matching\Plugin\quiz\QuizQuestion;

use stdClass;
use function _quiz_question_response_get_instance;
use function db_delete;
use function db_insert;
use function db_query;
use function node_load;

/**
 * Extension of QuizQuestionResponse
 */
class MatchingResponse extends \Drupal\quiz\Entity\QuizResultAnswer {

  /**
   * Implementation of score().
   *
   * @see QuizQuestionResponse::score()
   */
  public function score(array $values) {

    // Reset whatever was here already.
    $this
      ->get('matching_user_answer')
      ->setValue(NULL);
    foreach ($this
      ->getQuizQuestion()
      ->get('quiz_matching')
      ->referencedEntities() as $paragraph) {

      //foreach ($values['answer']['user_answer'] as $left_id => $right_id) {
      $left_paragraph = $paragraph;
      $right_paragraph = \Drupal::entityTypeManager()
        ->getStorage('paragraph')
        ->loadRevision($values['answer']['user_answer'][$paragraph
        ->getRevisionId()]);
      $new_paragraph = \Drupal\paragraphs\Entity\Paragraph::create([
        'type' => 'quiz_matching_answer',
        'matching_user_question' => $left_paragraph,
        'matching_user_answer' => $right_paragraph,
      ]);
      $this
        ->get('matching_user_answer')
        ->appendItem($new_paragraph);
    }
    $answers = $this
      ->getQuizQuestion()
      ->getCorrectAnswer();
    foreach ($this
      ->get('matching_user_answer')
      ->referencedEntities() as $pair) {
      if ($pair
        ->get('matching_user_answer')
        ->getValue()) {
        $response[$pair
          ->get('matching_user_question')
          ->getValue()[0]['target_revision_id']] = $pair
          ->get('matching_user_answer')
          ->getValue()[0]['target_revision_id'];
      }
      else {
        $response[$pair
          ->get('matching_user_question')
          ->getValue()[0]['target_revision_id']] = -1;
      }
    }
    $score = 0;
    foreach ($answers as $vid => $answer) {
      if ($response[$vid] == $vid) {
        $score++;
      }
      elseif ($response[$vid] != -1 && $this
        ->getQuizQuestion()
        ->get('choice_penalty')
        ->getString()) {
        $score -= 1;
      }
    }
    return $score > 0 ? $score : 0;
  }

  /**
   * Implementation of getResponse().
   *
   * @see QuizQuestionResponse::getResponse()
   */
  public function getResponse() {
    return $this
      ->get('matching_user_answer')
      ->referencedEntities();
  }

  /**
   * Implementation of getFeedbackValues().
   *
   * @see QuizQuestionResponse::getFeedbackValues()
   */
  public function getFeedbackValues() {
    $data = array();
    $answers = $this
      ->getQuizQuestion()
      ->getCorrectAnswer();
    foreach ($this
      ->get('matching_user_answer')
      ->referencedEntities() as $pair) {
      if ($pair
        ->get('matching_user_answer')
        ->getValue()) {
        $response[$pair
          ->get('matching_user_question')
          ->getValue()[0]['target_revision_id']] = $pair
          ->get('matching_user_answer')
          ->getValue()[0]['target_revision_id'];
      }
    }
    foreach ($this
      ->getQuizQuestion()
      ->get('quiz_matching')
      ->referencedEntities() as $paragraph) {
      $vid = $paragraph
        ->getRevisionId();
      $data[] = array(
        'choice' => $paragraph
          ->get('matching_question')
          ->getString(),
        'attempt' => isset($response[$paragraph
          ->getRevisionId()]) && $answers[$response[$paragraph
          ->getRevisionId()]] ? $answers[$response[$paragraph
          ->getRevisionId()]]
          ->get('matching_answer')
          ->getString() : '',
        'correct' => ($response[$vid] ?? -1) == $vid ? \Drupal\quiz\Util\QuizUtil::icon('correct') : \Drupal\quiz\Util\QuizUtil::icon('incorrect'),
        'score' => ($response[$vid] ?? -1) == $vid ? 1 : !empty($response[$vid]) && $this
          ->getQuizQuestion()
          ->get('choice_penalty')
          ->getString() ? -1 : 0,
        'answer_feedback' => 'placeholder',
        // @todo: $answer->get('matching_feedback')->getString(),
        'solution' => $paragraph
          ->get('matching_answer')
          ->getString(),
      );
    }
    return $data;
  }

  /**
   * Get answers for a question in a result.
   *
   * This static method assists in building views for the mass export of
   * question answers.
   *
   * @see views_handler_field_prerender_list for the expected return value.
   */
  public static function viewsGetAnswers(array $result_answer_ids = array()) {
    $items = array();
    foreach ($result_answer_ids as $result_answer_id) {
      $ra = entity_load_single('quiz_result_answer', $result_answer_id);
      $question = node_load($ra->question_nid, $ra->question_vid);

      /** @var $ra_i QuizQuestionResponse */
      $ra_i = _quiz_question_response_get_instance($ra->result_id, $question);
      $matches = array();
      foreach ($question->match as $match) {
        $matches[$match['match_id']] = $match;
      }
      foreach ($ra_i
        ->getResponse() as $question_id => $answer_id) {
        if (!empty($answer_id)) {
          $items[$ra->result_id][] = array(
            'answer' => $matches[$question_id]['question'] . ': ' . $matches[$answer_id]['answer'],
          );
        }
      }
    }
    return $items;
  }

}

Classes

Name	Description
MatchingResponse	Extension of QuizQuestionResponse