mod/quiz/report.php

   1 <?php  // $Id$
   2
   3 // This script uses installed report plugins to print quiz reports
   4
   5     require_once("../../config.php");
   6     require_once("locallib.php");
   7
   8     $id = optional_param('id',0,PARAM_INT);    // Course Module ID, or
   9     $q = optional_param('q',0,PARAM_INT);     // quiz ID
  10
  11     $mode = optional_param('mode', 'overview', PARAM_ALPHA);        // Report mode
  12
  13     if ($id) {
  14         if (! $cm = get_coursemodule_from_id('quiz', $id)) {
  15             error("There is no coursemodule with id $id");
  16         }
  17
  18         if (! $course = get_record("course", "id", $cm->course)) {
  19             error("Course is misconfigured");
  20         }
  21
  22         if (! $quiz = get_record("quiz", "id", $cm->instance)) {
  23             error("The quiz with id $cm->instance corresponding to this coursemodule $id is missing");
  24         }
  25
  26     } else {
  27         if (! $quiz = get_record("quiz", "id", $q)) {
  28             error("There is no quiz with id $q");
  29         }
  30         if (! $course = get_record("course", "id", $quiz->course)) {
  31             error("The course with id $quiz->course that the quiz with id $q belongs to is missing");
  32         }
  33         if (! $cm = get_coursemodule_from_instance("quiz", $quiz->id, $course->id)) {
  34             error("The course module for the quiz with id $q is missing");
  35         }
  36     }
  37
  38     require_login($course->id, false);
  39     $context = get_context_instance(CONTEXT_MODULE, $cm->id);
  40     require_capability('mod/quiz:viewreports', $context);
  41
  42     // if no questions have been set up yet redirect to edit.php
  43     if (!$quiz->questions and has_capability('mod/quiz:manage', $context)) {
  44         redirect('edit.php?quizid='.$quiz->id);
  45     }
  46
  47     // Upgrade any attempts that have not yet been upgraded to the
  48     // Moodle 1.5 model (they will not yet have the timestamp set)
  49     if ($attempts = get_records_sql("SELECT a.*".
  50            "  FROM {$CFG->prefix}quiz_attempts a, {$CFG->prefix}question_states s".
  51            " WHERE a.quiz = '$quiz->id' AND s.attempt = a.uniqueid AND s.timestamp = 0")) {
  52         foreach ($attempts as $attempt) {
  53             quiz_upgrade_states($attempt);
  54         }
  55     }
  56
  57     add_to_log($course->id, "quiz", "report", "report.php?id=$cm->id", "$quiz->id", "$cm->id");
  58
  59 /// Open the selected quiz report and display it
  60
  61     $mode = clean_param($mode, PARAM_SAFEDIR);
  62
  63     if (! is_readable("report/$mode/report.php")) {
  64         error("Report not known ($mode)");
  65     }
  66
  67     include("report/default.php");  // Parent class
  68     include("report/$mode/report.php");
  69
  70     $report = new quiz_report();
  71
  72     if (! $report->display($quiz, $cm, $course)) {             // Run the report!
  73         error("Error occurred during pre-processing!");
  74     }
  75
  76 /// Print footer
  77
  78     print_footer($course);
  79
  80 ?>