quiz-6.0.0-alpha4/modules/quiz_long_answer/src/Plugin/quiz/QuizQuestion/LongAnswerResponse.php

<?php

namespace Drupal\quiz_long_answer\Plugin\quiz\QuizQuestion;

use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\quiz\Entity\QuizResultAnswer;
use Drupal\quiz\Util\QuizUtil;
use function check_markup;

/**
 * Extension of QuizQuestionResponse.
 */
class LongAnswerResponse extends QuizResultAnswer {

  use StringTranslationTrait;

  /**
   * {@inheritdoc}
   */
  public function score(array $values): ?int {
    $this->set('long_answer', $values['answer']);
    $this->setEvaluated(FALSE);
    return NULL;
  }

  /**
   * {@inheritdoc}
   */
  public function getResponse() {
    return $this->get('long_answer')->getString();
  }

  /**
   * {@inheritdoc}
   */
  public function getFeedbackValues(): array {
    $rows = [];
    $score = $this->getPoints();
    $max = $this->getMaxScore();
    $correct = FALSE;
    $icon = NULL;

    if ($this->evaluated) {
      // Question has been graded.
      if ($score == 0) {
        $icon = QuizUtil::icon('incorrect');
      }
      if ($score > 0) {
        $icon = QuizUtil::icon('almost');
      }
      if ($score == $max) {
        $correct = TRUE;
        $icon = QuizUtil::icon('correct');
      }
    }
    else {
      $correct = NULL;
      $icon = QuizUtil::icon('unknown');
    }

    $long_answer_rubric = $this->getQuizQuestion()->get('long_answer_rubric');
    $rubric = !$long_answer_rubric->isEmpty() ? $long_answer_rubric->get(0)->getValue() : NULL;
    $answer_feedback = $this->get('answer_feedback')->get(0)->getValue();
    $user_answer = !$this->get('long_answer')->isEmpty() ? $this->get('long_answer')->get(0)->getValue() : NULL;

    $rows[] = [
      'status' => [
        'correct' => $correct,
        'chosen' => TRUE,
      ],
      'data' => [
        // Hide this column as there are no choices for long answer.
        'choice' => NULL,
        'attempt' => is_array($user_answer) ? check_markup($user_answer['value'], $user_answer['format']) : $user_answer,
        'correct' => $icon,
        'score' => !$this->isEvaluated() ? $this->t('This answer has not yet been scored.') : $score,
        'answer_feedback' => $answer_feedback ? check_markup((string) $answer_feedback['value'], $answer_feedback['format']) : '',
        'solution' => $rubric ? check_markup($rubric['value'], $rubric['format']) : '',
      ],
    ];

    return $rows;
  }

}