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($CFG->dirroot.'/mod/quiz/locallib.php');
   7     require_once($CFG->dirroot.'/mod/quiz/report/reportlib.php');
   8
   9     $id = optional_param('id',0,PARAM_INT);    // Course Module ID, or
  10     $q = optional_param('q',0,PARAM_INT);     // quiz ID
  11
  12     $mode = optional_param('mode', 'overview', PARAM_ALPHA);        // Report mode
  13
  14     if ($id) {
  15         if (! $cm = get_coursemodule_from_id('quiz', $id)) {
  16             error("There is no coursemodule with id $id");
  17         }
  18
  19         if (! $course = get_record("course", "id", $cm->course)) {
  20             error("Course is misconfigured");
  21         }
  22
  23         if (! $quiz = get_record("quiz", "id", $cm->instance)) {
  24             error("The quiz with id $cm->instance corresponding to this coursemodule $id is missing");
  25         }
  26
  27     } else {
  28         if (! $quiz = get_record("quiz", "id", $q)) {
  29             error("There is no quiz with id $q");
  30         }
  31         if (! $course = get_record("course", "id", $quiz->course)) {
  32             error("The course with id $quiz->course that the quiz with id $q belongs to is missing");
  33         }
  34         if (! $cm = get_coursemodule_from_instance("quiz", $quiz->id, $course->id)) {
  35             error("The course module for the quiz with id $q is missing");
  36         }
  37     }
  38
  39     require_login($course, false, $cm);
  40     $context = get_context_instance(CONTEXT_MODULE, $cm->id);
  41     require_capability('mod/quiz:viewreports', $context);
  42
  43     // if no questions have been set up yet redirect to edit.php
  44     if (!$quiz->questions and has_capability('mod/quiz:manage', $context)) {
  45         redirect('edit.php?cmid='.$cm->id);
  46     }
  47
  48     // Upgrade any attempts that have not yet been upgraded to the
  49     // Moodle 1.5 model (they will not yet have the timestamp set)
  50     if ($attempts = get_records_sql("SELECT a.*".
  51            "  FROM {$CFG->prefix}quiz_attempts a, {$CFG->prefix}question_states s".
  52            " WHERE a.quiz = '$quiz->id' AND s.attempt = a.uniqueid AND s.timestamp = 0")) {
  53         foreach ($attempts as $attempt) {
  54             quiz_upgrade_states($attempt);
  55         }
  56     }
  57
  58     add_to_log($course->id, "quiz", "report", "report.php?id=$cm->id", "$quiz->id", "$cm->id");
  59
  60 /// Open the selected quiz report and display it
  61
  62     $mode = clean_param($mode, PARAM_SAFEDIR);
  63
  64     if (! is_readable("report/$mode/report.php")) {
  65         error("Report not known ($mode)");
  66     }
  67
  68     include("report/default.php");  // Parent class
  69     include("report/$mode/report.php");
  70
  71     $report = new quiz_report();
  72
  73     if (! $report->display($quiz, $cm, $course)) {             // Run the report!
  74         error("Error occurred during pre-processing!");
  75     }
  76
  77 /// Print footer
  78
  79     print_footer($course);
  80
  81 ?>