mod/quiz/overridedelete.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 page handles deleting quiz overrides
  19  *
  20  * @package    mod_quiz
  21  * @copyright  2010 Matt Petro
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25
  26 require_once(dirname(__FILE__) . '/../../config.php');
  27 require_once($CFG->dirroot.'/mod/quiz/lib.php');
  28 require_once($CFG->dirroot.'/mod/quiz/locallib.php');
  29 require_once($CFG->dirroot.'/mod/quiz/override_form.php');
  30
  31 $overrideid = required_param('id', PARAM_INT);
  32 $confirm = optional_param('confirm', false, PARAM_BOOL);
  33
  34 if (! $override = $DB->get_record('quiz_overrides', array('id' => $overrideid))) {
  35     print_error('invalidoverrideid', 'quiz');
  36 }
  37 if (! $quiz = $DB->get_record('quiz', array('id' => $override->quiz))) {
  38     print_error('invalidcoursemodule');
  39 }
  40 if (! $cm = get_coursemodule_from_instance("quiz", $quiz->id, $quiz->course)) {
  41     print_error('invalidcoursemodule');
  42 }
  43 $course = $DB->get_record('course', array('id'=>$cm->course), '*', MUST_EXIST);
  44
  45 $context = context_module::instance($cm->id);
  46
  47 require_login($course, false, $cm);
  48
  49 // Check the user has the required capabilities to modify an override.
  50 require_capability('mod/quiz:manageoverrides', $context);
  51
  52 $url = new moodle_url('/mod/quiz/overridedelete.php', array('id'=>$override->id));
  53 $confirmurl = new moodle_url($url, array('id'=>$override->id, 'confirm'=>1));
  54 $cancelurl = new moodle_url('/mod/quiz/overrides.php', array('cmid'=>$cm->id));
  55
  56 if (!empty($override->userid)) {
  57     $cancelurl->param('mode', 'user');
  58 }
  59
  60 // If confirm is set (PARAM_BOOL) then we have confirmation of intention to delete.
  61 if ($confirm) {
  62     require_sesskey();
  63
  64     // Set the course module id before calling quiz_delete_override().
  65     $quiz->cmid = $cm->id;
  66     quiz_delete_override($quiz, $override->id);
  67
  68     redirect($cancelurl);
  69 }
  70
  71 // Prepare the page to show the confirmation form.
  72 $stroverride = get_string('override', 'quiz');
  73 $title = get_string('deletecheck', null, $stroverride);
  74
  75 $PAGE->set_url($url);
  76 $PAGE->set_pagelayout('admin');
  77 $PAGE->navbar->add($title);
  78 $PAGE->set_title($title);
  79 $PAGE->set_heading($course->fullname);
  80
  81 echo $OUTPUT->header();
  82 echo $OUTPUT->heading(format_string($quiz->name, true, array('context' => $context)));
  83
  84 if ($override->groupid) {
  85     $group = $DB->get_record('groups', array('id' => $override->groupid), 'id, name');
  86     $confirmstr = get_string("overridedeletegroupsure", "quiz", $group->name);
  87 } else {
  88     $namefields = get_all_user_name_fields(true);
  89     $user = $DB->get_record('user', array('id' => $override->userid),
  90             'id, ' . $namefields);
  91     $confirmstr = get_string("overridedeleteusersure", "quiz", fullname($user));
  92 }
  93
  94 echo $OUTPUT->confirm($confirmstr, $confirmurl, $cancelurl);
  95
  96 echo $OUTPUT->footer();