grade/export/key.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * Grade export key edit page.
  20  *
  21  * @package   moodlecore
  22  * @copyright 2008 Petr Skoda
  23  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26 require_once('../../config.php');
  27 require_once('key_form.php');
  28 require_once($CFG->dirroot.'/grade/lib.php');
  29
  30 /// get url variables
  31 $courseid = optional_param('courseid', 0, PARAM_INT);
  32 $id       = optional_param('id', 0, PARAM_INT); // The key's id
  33 $delete   = optional_param('delete', 0, PARAM_BOOL);
  34 $confirm  = optional_param('confirm', 0, PARAM_BOOL);
  35
  36 $PAGE->set_url('/grade/export/key.php', array('id' => $id, 'courseid' => $courseid));
  37
  38 if ($id) {
  39     if (!$key = $DB->get_record('user_private_key', array('id' => $id))) {
  40         print_error('invalidgroupid');
  41     }
  42     if (empty($courseid)) {
  43         $courseid = $key->instance;
  44
  45     } else if ($courseid != $key->instance) {
  46         print_error('invalidcourseid');
  47     }
  48
  49     if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
  50         print_error('invalidcourseid');
  51     }
  52
  53 } else {
  54     if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
  55         print_error('invalidcourseid');
  56     }
  57     $key = new stdClass();
  58 }
  59
  60 $key->courseid = $course->id;
  61
  62 require_login($course);
  63 $context = context_course::instance($course->id);
  64 require_capability('moodle/grade:export', $context);
  65
  66 // Check if the user has at least one grade publishing capability.
  67 $plugins = grade_helper::get_plugins_export($course->id);
  68 if (!isset($plugins['keymanager'])) {
  69     print_error('nopermissions');
  70 }
  71
  72 // extra security check
  73 if (!empty($key->userid) and $USER->id != $key->userid) {
  74     print_error('notownerofkey');
  75 }
  76
  77 $returnurl = $CFG->wwwroot.'/grade/export/keymanager.php?id='.$course->id;
  78
  79 if ($id and $delete) {
  80     if (!$confirm) {
  81         $PAGE->set_title(get_string('deleteselectedkey'));
  82         $PAGE->set_heading($course->fullname);
  83         echo $OUTPUT->header();
  84         $optionsyes = array('id'=>$id, 'delete'=>1, 'courseid'=>$courseid, 'sesskey'=>sesskey(), 'confirm'=>1);
  85         $optionsno  = array('id'=>$courseid);
  86         $formcontinue = new single_button(new moodle_url('key.php', $optionsyes), get_string('yes'), 'get');
  87         $formcancel = new single_button(new moodle_url('keymanager.php', $optionsno), get_string('no'), 'get');
  88         echo $OUTPUT->confirm(get_string('deletekeyconfirm', 'userkey', $key->value), $formcontinue, $formcancel);
  89         echo $OUTPUT->footer();
  90         die;
  91
  92     } else if (confirm_sesskey()){
  93         $DB->delete_records('user_private_key', array('id' => $id));
  94         redirect('keymanager.php?id='.$course->id);
  95     }
  96 }
  97
  98 /// First create the form
  99 $editform = new key_form();
 100 $editform->set_data($key);
 101
 102 if ($editform->is_cancelled()) {
 103     redirect($returnurl);
 104
 105 } elseif ($data = $editform->get_data()) {
 106
 107     if ($data->id) {
 108         $record = new stdClass();
 109         $record->id            = $data->id;
 110         $record->iprestriction = $data->iprestriction;
 111         $record->validuntil    = $data->validuntil;
 112         $DB->update_record('user_private_key', $record);
 113     } else {
 114         create_user_key('grade/export', $USER->id, $course->id, $data->iprestriction, $data->validuntil);
 115     }
 116
 117     redirect($returnurl);
 118 }
 119
 120 $strkeys   = get_string('userkeys', 'userkey');
 121 $strgrades = get_string('grades');
 122
 123 if ($id) {
 124     $strheading = get_string('edituserkey', 'userkey');
 125 } else {
 126     $strheading = get_string('createuserkey', 'userkey');
 127 }
 128
 129 $PAGE->navbar->add($strgrades, new moodle_url('/grade/index.php', array('id'=>$courseid)));
 130 $PAGE->navbar->add($strkeys, new moodle_url('/grade/export/keymanager.php', array('id'=>$courseid)));
 131 $PAGE->navbar->add($strheading);
 132
 133 /// Print header
 134 $PAGE->set_title($strkeys);
 135 $PAGE->set_heading($course->fullname);
 136 echo $OUTPUT->header();
 137
 138 $editform->display();
 139 echo $OUTPUT->footer();
 140