mod/assign/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 assigment overrides
  19  *
  20  * @package    mod_assign
  21  * @copyright  2016 Ilya Tregubov
  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($CFG->dirroot.'/mod/assign/lib.php');
  28 require_once($CFG->dirroot.'/mod/assign/locallib.php');
  29 require_once($CFG->dirroot.'/mod/assign/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('assign_overrides', array('id' => $overrideid))) {
  35     print_error('invalidoverrideid', 'assign');
  36 }
  37
  38 list($course, $cm) = get_course_and_cm_from_instance($override->assignid, 'assign');
  39 $context = context_module::instance($cm->id);
  40 $assign = new assign($context, null, null);
  41
  42 require_login($course, false, $cm);
  43
  44 // Check the user has the required capabilities to modify an override.
  45 require_capability('mod/assign:manageoverrides', $context);
  46
  47 if ($override->groupid) {
  48     if (!groups_group_visible($override->groupid, $course, $cm)) {
  49         print_error('invalidoverrideid', 'assign');
  50     }
  51 } else {
  52     if (!groups_user_groups_visible($course, $override->userid, $cm)) {
  53         print_error('invalidoverrideid', 'assign');
  54     }
  55 }
  56
  57 $url = new moodle_url('/mod/assign/overridedelete.php', array('id' => $override->id));
  58 $confirmurl = new moodle_url($url, array('id' => $override->id, 'confirm' => 1));
  59 $cancelurl = new moodle_url('/mod/assign/overrides.php', array('cmid' => $cm->id));
  60
  61 if (!empty($override->userid)) {
  62     $cancelurl->param('mode', 'user');
  63 }
  64
  65 // If confirm is set (PARAM_BOOL) then we have confirmation of intention to delete.
  66 if ($confirm) {
  67     require_sesskey();
  68
  69     $assign->delete_override($override->id);
  70
  71     reorder_group_overrides($assign->get_instance()->id);
  72
  73     redirect($cancelurl);
  74 }
  75
  76 // Prepare the page to show the confirmation form.
  77 $stroverride = get_string('override', 'assign');
  78 $title = get_string('deletecheck', null, $stroverride);
  79
  80 $PAGE->set_url($url);
  81 $PAGE->set_pagelayout('admin');
  82 $PAGE->navbar->add($title);
  83 $PAGE->set_title($title);
  84 $PAGE->set_heading($course->fullname);
  85
  86 echo $OUTPUT->header();
  87 echo $OUTPUT->heading(format_string($assign->get_instance()->name, true, array('context' => $context)));
  88
  89 if ($override->groupid) {
  90     $group = $DB->get_record('groups', array('id' => $override->groupid), 'id, name');
  91     $confirmstr = get_string("overridedeletegroupsure", "assign", $group->name);
  92 } else {
  93     $namefields = get_all_user_name_fields(true);
  94     $user = $DB->get_record('user', array('id' => $override->userid),
  95             'id, ' . $namefields);
  96     $confirmstr = get_string("overridedeleteusersure", "assign", fullname($user));
  97 }
  98
  99 echo $OUTPUT->confirm($confirmstr, $confirmurl, $cancelurl);
 100
 101 echo $OUTPUT->footer();