quiz_maker-1.0.6/src/Plugin/QuizMaker/Question/DirectQuestion.php

<?php

namespace Drupal\quiz_maker\Plugin\QuizMaker\Question;

use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\quiz_maker\Plugin\QuizMaker\QuestionPluginBase;
use Drupal\quiz_maker\QuestionResponseInterface;

/**
 * Plugin implementation of the question.
 *
 * @QuizMakerQuestion(
 *   id = "direct_question",
 *   label = @Translation("Direct question"),
 *   description = @Translation("Direct question."),
 * )
 */
class DirectQuestion extends QuestionPluginBase {

  use StringTranslationTrait;

  /**
   * {@inheritDoc}
   */
  public function getAnsweringForm(QuestionResponseInterface|null $question_response = NULL, bool $allow_change_response = TRUE): array {
    $default_answer = $question_response?->getResponses();
    if ($default_answer) {
      /** @var \Drupal\quiz_maker\QuestionAnswerInterface $default_value */
      $default_value = reset($default_answer);
    }

    return [
      $this->getQuestionAnswerWrapperId() => [
        '#type' => 'textarea',
        '#title' => $this->t('Write an answer'),
        '#default_value' => $default_value ?? NULL,
        '#disabled' => !$allow_change_response,
      ],
    ];
  }

  /**
   * {@inheritDoc}
   */
  public function isResponseCorrect(array $answers_ids): bool {
    $correct_answers = $this->getEntity()->getCorrectAnswers();
    $languages = $this->languageManager->getLanguages();
    $response = reset($answers_ids);
    $results = [];
    // We need to check similarity with all translations of answer, because
    // correct answers can have a translation, but user response text doesn't,
    // and user can view every quiz result translation, but for each translation
    // it will have the same text. User can add several answers and response
    // will compare with all of them.
    /** @var \Drupal\quiz_maker\Entity\QuestionAnswer $correct_answer */
    foreach ($correct_answers as $correct_answer) {
      foreach ($languages as $language) {
        if ($correct_answer->hasTranslation($language->getId())) {
          $correct_answer_translation = $correct_answer->getTranslation($language->getId());
        }
        else {
          $correct_answer_translation = $correct_answer;
        }
        /** @var \Drupal\quiz_maker\QuestionAnswerInterface $correct_answer_translation */
        similar_text(strip_tags($correct_answer_translation->getAnswer()), $response, $perc);
        $results[] = $perc;
      }
    }

    $result = max($results);
    return $result >= $this->getSimilarity();
  }

  /**
   * Get answer similarity.
   *
   * @return float
   *   The similarity.
   */
  public function getSimilarity(): float {
    /** @var \Drupal\quiz_maker\Entity\Question $question */
    $question = $this->getEntity();
    return $question->get('field_similarity')->value;
  }

  /**
   * {@inheritDoc}
   */
  public function getResponseView(QuestionResponseInterface $response, int $mark_mode = 0): array {
    $result = parent::getResponseView($response, $mark_mode);
    // In direct question we need to show answer only one time, because direct
    // answers has only one user answer.
    return reset($result);
  }

}