mod/quiz/comment.php

   1 <?php  // $Id$
   2 /**
   3  * This page prints a review of a particular question attempt
   4  *
   5  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
   6  * @package quiz
   7  */
   8
   9     require_once('../../config.php');
  10     require_once('locallib.php');
  11
  12     $attemptid =required_param('attempt', PARAM_INT); // attempt id
  13     $questionid =required_param('question', PARAM_INT); // question id
  14
  15     if (! $attempt = get_record('quiz_attempts', 'uniqueid', $attemptid)) {
  16         error('No such attempt ID exists');
  17     }
  18     if (! $quiz = get_record('quiz', 'id', $attempt->quiz)) {
  19         error('Course module is incorrect');
  20     }
  21     if (! $course = get_record('course', 'id', $quiz->course)) {
  22         error('Course is misconfigured');
  23     }
  24
  25     // Teachers are only allowed to comment and grade on closed attempts
  26     if (!($attempt->timefinish > 0)) {
  27         error('Attempt has not closed yet');
  28     }
  29
  30     $cm = get_coursemodule_from_instance('quiz', $quiz->id);
  31     require_login($course, true, $cm);
  32
  33     $context = get_context_instance(CONTEXT_MODULE, $cm->id);
  34
  35     require_capability('mod/quiz:grade', $context);
  36
  37     // Load question
  38     if (! $question = get_record('question', 'id', $questionid)) {
  39         error('Question for this session is missing');
  40     }
  41     $question->maxgrade = get_field('quiz_question_instances', 'grade', 'quiz', $quiz->id, 'question', $question->id);
  42     // Some of the questions code is optimised to work with several questions
  43     // at once so it wants the question to be in an array.
  44     $key = $question->id;
  45     $questions[$key] = &$question;
  46     // Add additional questiontype specific information to the question objects.
  47     if (!get_question_options($questions)) {
  48         error("Unable to load questiontype specific question information");
  49     }
  50
  51     // Load state
  52     $states = get_question_states($questions, $quiz, $attempt);
  53     // The $states array is indexed by question id but because we are dealing
  54     // with only one question there is only one entry in this array
  55     $state = &$states[$question->id];
  56
  57     print_header();
  58     print_heading(format_string($question->name));
  59
  60     //add_to_log($course->id, 'quiz', 'review', "review.php?id=$cm->id&amp;attempt=$attempt->id", "$quiz->id", "$cm->id");
  61
  62     if ($data = data_submitted() and confirm_sesskey()) {
  63         // the following will update the state and attempt
  64         $error = question_process_comment($question, $state, $attempt, $data->response['comment'], $data->response['grade']);
  65         if (is_string($error)) {
  66             notify($error);
  67         } else {
  68             // If the state has changed save it and update the quiz grade
  69             if ($state->changed) {
  70                 save_question_session($question, $state);
  71                 quiz_save_best_grade($quiz, $attempt->userid);
  72             }
  73
  74             notify(get_string('changessaved'));
  75             echo '<div class="boxaligncenter"><input type="button" onclick="window.opener.location.reload(1); self.close();return false;" value="' .
  76                     get_string('closewindow') . "\" /></div>";
  77
  78             print_footer('empty');
  79             exit;
  80         }
  81     }
  82
  83     question_print_comment_box($question, $state, $attempt, $CFG->wwwroot.'/mod/quiz/comment.php');
  84
  85     print_footer('empty');
  86
  87 ?>