mod/quiz/report.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * This script controls the display of the quiz reports.
  19  *
  20  * @package   mod_quiz
  21  * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
  22  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 define('NO_OUTPUT_BUFFERING', true);
  26
  27 require_once(__DIR__ . '/../../config.php');
  28 require_once($CFG->dirroot . '/mod/quiz/locallib.php');
  29 require_once($CFG->dirroot . '/mod/quiz/report/reportlib.php');
  30 require_once($CFG->dirroot . '/mod/quiz/report/default.php');
  31
  32 $id = optional_param('id', 0, PARAM_INT);
  33 $q = optional_param('q', 0, PARAM_INT);
  34 $mode = optional_param('mode', '', PARAM_ALPHA);
  35
  36 if ($id) {
  37     if (!$cm = get_coursemodule_from_id('quiz', $id)) {
  38         print_error('invalidcoursemodule');
  39     }
  40     if (!$course = $DB->get_record('course', array('id' => $cm->course))) {
  41         print_error('coursemisconf');
  42     }
  43     if (!$quiz = $DB->get_record('quiz', array('id' => $cm->instance))) {
  44         print_error('invalidcoursemodule');
  45     }
  46
  47 } else {
  48     if (!$quiz = $DB->get_record('quiz', array('id' => $q))) {
  49         print_error('invalidquizid', 'quiz');
  50     }
  51     if (!$course = $DB->get_record('course', array('id' => $quiz->course))) {
  52         print_error('invalidcourseid');
  53     }
  54     if (!$cm = get_coursemodule_from_instance("quiz", $quiz->id, $course->id)) {
  55         print_error('invalidcoursemodule');
  56     }
  57 }
  58
  59 $url = new moodle_url('/mod/quiz/report.php', array('id' => $cm->id));
  60 if ($mode !== '') {
  61     $url->param('mode', $mode);
  62 }
  63 $PAGE->set_url($url);
  64
  65 require_login($course, false, $cm);
  66 $context = context_module::instance($cm->id);
  67 $PAGE->set_pagelayout('report');
  68
  69 $reportlist = quiz_report_list($context);
  70 if (empty($reportlist)) {
  71     print_error('erroraccessingreport', 'quiz');
  72 }
  73
  74 // Validate the requested report name.
  75 if ($mode == '') {
  76     // Default to first accessible report and redirect.
  77     $url->param('mode', reset($reportlist));
  78     redirect($url);
  79 } else if (!in_array($mode, $reportlist)) {
  80     print_error('erroraccessingreport', 'quiz');
  81 }
  82 if (!is_readable("report/$mode/report.php")) {
  83     print_error('reportnotfound', 'quiz', '', $mode);
  84 }
  85
  86 // Open the selected quiz report and display it.
  87 $file = $CFG->dirroot . '/mod/quiz/report/' . $mode . '/report.php';
  88 if (is_readable($file)) {
  89     include_once($file);
  90 }
  91 $reportclassname = 'quiz_' . $mode . '_report';
  92 if (!class_exists($reportclassname)) {
  93     print_error('preprocesserror', 'quiz');
  94 }
  95
  96 $report = new $reportclassname();
  97 $report->display($quiz, $cm, $course);
  98
  99 // Print footer.
 100 echo $OUTPUT->footer();
 101
 102 // Log that this report was viewed.
 103 $params = array(
 104     'context' => $context,
 105     'other' => array(
 106         'quizid' => $quiz->id,
 107         'reportname' => $mode
 108     )
 109 );
 110 $event = \mod_quiz\event\report_viewed::create($params);
 111 $event->add_record_snapshot('course', $course);
 112 $event->add_record_snapshot('quiz', $quiz);
 113 $event->trigger();