class QuizfileuploadResponse in Quiz File Upload 7.4

Extension of QuizQuestionResponse

Hierarchy

• class \QuizfileuploadResponse extends \QuizQuestionResponse

1 string reference to 'QuizfileuploadResponse'

quizfileupload_quiz_question_info in ./quizfileupload.module

Implements hook_quiz_question_info().

File

./quizfileupload.classes.inc, line 209

The main classes for the quizfileupload question type.

class QuizfileuploadResponse extends QuizQuestionResponse {

  /**
   * ID of the answer.
   */
  protected $answer_id = 0;
  protected $file = NULL;

  /**
   * Constructor
   */
  public function __construct($result_id, stdClass $question_node, $tries = NULL) {
    parent::__construct($result_id, $question_node, $tries);
    $tries = $_FILES;
    $this->answer = $tries;
    $this->answer_feedback = "";
    if (!isset($result) || !is_object($result)) {
      $result = new stdClass();
    }
    $result->is_correct = TRUE;
    $this->evaluated = 0;
    $response = $this
      ->getResponse();
    if (isset($question_node->correct_answer_evaluation)) {
      if ($question_node->correct_answer_evaluation == 0) {
        $this->evaluated = 1;
      }
    }
    $this->result_id = $result_id;

    // Question has been answered allready. We fetch the answer data from the database.
    $r = db_query('SELECT * FROM {quiz_fileupload_user_answers}
    WHERE question_nid = :question_nid AND question_vid = :question_vid AND result_id = :result_id', array(
      ':question_nid' => $question_node->nid,
      ':question_vid' => $question_node->vid,
      ':result_id' => $result_id,
    ))
      ->fetchAssoc();
    if (is_array($r)) {
      $this->score = $r['score'];
      $this->answer_id = $r['answer_id'];
      $this->evaluated = $r['is_evaluated'];
      $this->answer_feedback = $r['answer_feedback'];
      $this->answer_feedback_format = $r['answer_feedback_format'];
    }
  }

  /**
   * Implements isValid().
   *
   * @see QuizQuestionResponse#isValid()
   */
  public function isValid() {
    if (isset($this->file->fid)) {
      return TRUE;
    }
    else {
      return "";
    }
  }

  /**
   * Implements save().
   *
   * @see QuizQuestionResponse#save()
   */
  public function save() {
    $validator = array(
      'file_validate_extensions' => array(
        $this->question->filetypes,
      ),
    );
    $directory = variable_get('quizfileupload_upload_location', 'public') . '://quizfileupload/' . $this->question->nid . '/';
    file_prepare_directory($directory, FILE_CREATE_DIRECTORY);
    $this->file = file_save_upload('tries', $validator, $directory);
    if (isset($this->file->fid)) {
      $this->answer_id = db_insert('quiz_fileupload_user_answers')
        ->fields(array(
        'result_id' => $this->rid,
        'question_vid' => $this->question->vid,
        'question_nid' => $this->question->nid,
        'fid' => $this->file->fid,
        'score' => $this
          ->getScore(FALSE),
        'is_evaluated' => $this->evaluated,
        'answer_feedback' => $this->answer_feedback,
      ))
        ->execute();
      $this->file->status = FILE_STATUS_PERMANENT;
      file_save($this->file);
    }
  }

  /**
   * Implements delete().
   *
   * @see QuizQuestionResponse#delete()
   */
  public function delete() {
    db_delete('quiz_fileupload_user_answers')
      ->condition('question_nid', $this->question->nid)
      ->condition('question_vid', $this->question->vid)
      ->condition('result_id', $this->rid)
      ->execute();
  }

  /**
   * Implements score().
   *
   * @see QuizQuestionResponse#score()
   */
  public function score() {
    if ($this->question->correct_answer_evaluation == 1) {
      $score = db_query('SELECT score FROM {quiz_fileupload_user_answers} WHERE result_id = :result_id AND question_vid = :question_vid', array(
        ':result_id' => $this->rid,
        ':question_vid' => $this->question->vid,
      ))
        ->fetchField();
      if (!$score) {
        $score = 0;
      }
    }
    else {
      $shortAnswer = new QuizfileuploadQuestion($this->question);
      $score = $shortAnswer
        ->getMaximumScore();
    }
    return $score;
  }

  /**
   * Implements getResponse().
   *
   * @see QuizQuestionResponse#getResponse()
   */
  public function getResponse() {
    return $this->answer;
  }

  /**
   * Implements getReportFormResponse().
   *
   * @see getReportFormResponse($showpoints, $showfeedback, $allow_scoring)
   */
  public function getReportFormResponse($showpoints = TRUE, $showfeedback = TRUE, $allow_scoring = FALSE) {
    $result_id = $this->question->answers[0]['result_id'];
    $fid = db_query('SELECT f.fid
      FROM {file_managed} f
      INNER JOIN {quiz_fileupload_user_answers} qf ON (f.fid = qf.fid)
      WHERE result_id = :result_id AND question_nid = :question_nid AND question_vid = :question_vid', array(
      ':result_id' => $result_id,
      ':question_nid' => $this->question->nid,
      ':question_vid' => $this->question->vid,
    ))
      ->fetchField();
    $markup = quiz_file_markup($fid);
    if ($this->question && !empty($this->question->answers)) {
      $answer = (object) current($this->question->answers);
    }
    $form['fileupload'] = array(
      '#markup' => $markup,
    );
    if ($answer->is_evaluated == 1) {

      // Show feedback, if any.
      $form['answer_feedback'] = array(
        '#title' => t('Feedback'),
        '#type' => 'item',
        '#markup' => '<span class="quiz_answer_feedback">' . $this->answer_feedback . '</span>',
      );
    }
    else {
      $feedback = t('This answer has not yet been scored.') . '<br/>' . t('Until the answer is scored, the total score will not be correct.');
    }
    return $form;
  }

  /**
   * Implements getReportFormScore().
   *
   * @see QuizQuestionResponse#getReportFormScore($showpoints, $showfeedback, $allow_scoring)
   */
  public function getReportFormScore($showfeedback = TRUE, $showpoints = TRUE, $allow_scoring = FALSE) {
    $node = node_load($this->question->nid);
    $score = $this
      ->isEvaluated() ? $this
      ->getScore() : '?';
    if (quiz_access_to_score() && $allow_scoring && $node->correct_answer_evaluation == 1) {
      return array(
        '#type' => 'textfield',
        '#default_value' => $score,
        '#size' => 3,
        '#maxlength' => 3,
        '#attributes' => array(
          'class' => array(
            'quiz-report-score',
          ),
        ),
      );
    }
    else {
      return array(
        '#markup' => $score,
      );
    }
  }
  public function getReportFormAnswerFeedback($showpoints = TRUE, $showfeedback = TRUE, $allow_scoring = FALSE) {
    if (quiz_access_to_score() && $allow_scoring) {
      return array(
        '#title' => t('Enter feedback'),
        '#type' => 'text_format',
        '#default_value' => $this->answer_feedback,
        '#format' => isset($this->answer_feedback_format) ? $this->answer_feedback_format : NULL,
        '#attributes' => array(
          'class' => array(
            'quiz-report-score',
          ),
        ),
      );
    }
    return FALSE;
  }

  /**
   * Implements getReportFormSubmit().
   *
   * @see QuizQuestionResponse#getReportFormSubmit($showfeedback, $showpoints, $allow_scoring)
   */
  public function getReportFormSubmit($showfeedback = TRUE, $showpoints = TRUE, $allow_scoring = FALSE) {
    $node = node_load($this->question->nid);
    if (isset($node->correct_answer_evaluation)) {
      if (quiz_access_to_score() && $allow_scoring && $node->correct_answer_evaluation == 1) {
        return $allow_scoring ? 'quizfileupload_report_submit' : FALSE;
      }
    }
    return FALSE;
  }

  /**
   * Implements getReportFormValidate().
   *
   * @see QuizQuestionResponse#getReportFormValidate($showfeedback, $showpoints, $allow_scoring)
   */
  public function getReportFormValidate($showfeedback = TRUE, $showpoints = TRUE, $allow_scoring = FALSE) {
    $node = node_load($this->question->nid);
    if (isset($node->correct_answer_evaluation)) {
      if (quiz_access_to_score() && $allow_scoring && $node->correct_answer_evaluation == 1) {
        return $allow_scoring ? 'quizfileupload_report_validate' : FALSE;
      }
    }
    return FALSE;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
QuizfileuploadResponse::$answer_id	protected	property	ID of the answer.
QuizfileuploadResponse::$file	protected	property
QuizfileuploadResponse::delete	public	function	Implements delete().
QuizfileuploadResponse::getReportFormAnswerFeedback	public	function
QuizfileuploadResponse::getReportFormResponse	public	function	Implements getReportFormResponse().
QuizfileuploadResponse::getReportFormScore	public	function	Implements getReportFormScore().
QuizfileuploadResponse::getReportFormSubmit	public	function	Implements getReportFormSubmit().
QuizfileuploadResponse::getReportFormValidate	public	function	Implements getReportFormValidate().
QuizfileuploadResponse::getResponse	public	function	Implements getResponse().
QuizfileuploadResponse::isValid	public	function	Implements isValid().
QuizfileuploadResponse::save	public	function	Implements save().
QuizfileuploadResponse::score	public	function	Implements score().
QuizfileuploadResponse::__construct	public	function	Constructor