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
  29 /// get url variables
  30 $courseid = optional_param('courseid', 0, PARAM_INT);
  31 $id       = optional_param('id', 0, PARAM_INT); // The key's id
  32 $delete   = optional_param('delete', 0, PARAM_BOOL);
  33 $confirm  = optional_param('confirm', 0, PARAM_BOOL);
  34
  35 $PAGE->set_url('/grade/export/key.php', array('id' => $id, 'courseid' => $courseid));
  36
  37 if ($id) {
  38     if (!$key = $DB->get_record('user_private_key', array('id' => $id))) {
  39         print_error('invalidgroupid');
  40     }
  41     if (empty($courseid)) {
  42         $courseid = $key->instance;
  43
  44     } else if ($courseid != $key->instance) {
  45         print_error('invalidcourseid');
  46     }
  47
  48     if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
  49         print_error('invalidcourseid');
  50     }
  51
  52 } else {
  53     if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
  54         print_error('invalidcourseid');
  55     }
  56     $key = new stdClass();
  57 }
  58
  59 $key->courseid = $course->id;
  60
  61 require_login($course);
  62 $context = context_course::instance($course->id);
  63 require_capability('moodle/grade:export', $context);
  64
  65 // extra security check
  66 if (!empty($key->userid) and $USER->id != $key->userid) {
  67     print_error('notownerofkey');
  68 }
  69
  70 $returnurl = $CFG->wwwroot.'/grade/export/keymanager.php?id='.$course->id;
  71
  72 if ($id and $delete) {
  73     if (!$confirm) {
  74         $PAGE->set_title(get_string('deleteselectedkey'));
  75         $PAGE->set_heading($course->fullname);
  76         echo $OUTPUT->header();
  77         $optionsyes = array('id'=>$id, 'delete'=>1, 'courseid'=>$courseid, 'sesskey'=>sesskey(), 'confirm'=>1);
  78         $optionsno  = array('id'=>$courseid);
  79         $formcontinue = new single_button(new moodle_url('key.php', $optionsyes), get_string('yes'), 'get');
  80         $formcancel = new single_button(new moodle_url('keymanager.php', $optionsno), get_string('no'), 'get');
  81         echo $OUTPUT->confirm(get_string('deletekeyconfirm', 'userkey', $key->value), $formcontinue, $formcancel);
  82         echo $OUTPUT->footer();
  83         die;
  84
  85     } else if (confirm_sesskey()){
  86         $DB->delete_records('user_private_key', array('id' => $id));
  87         redirect('keymanager.php?id='.$course->id);
  88     }
  89 }
  90
  91 /// First create the form
  92 $editform = new key_form();
  93 $editform->set_data($key);
  94
  95 if ($editform->is_cancelled()) {
  96     redirect($returnurl);
  97
  98 } elseif ($data = $editform->get_data()) {
  99
 100     if ($data->id) {
 101         $record = new stdClass();
 102         $record->id            = $data->id;
 103         $record->iprestriction = $data->iprestriction;
 104         $record->validuntil    = $data->validuntil;
 105         $DB->update_record('user_private_key', $record);
 106     } else {
 107         create_user_key('grade/export', $USER->id, $course->id, $data->iprestriction, $data->validuntil);
 108     }
 109
 110     redirect($returnurl);
 111 }
 112
 113 $strkeys   = get_string('userkeys', 'userkey');
 114 $strgrades = get_string('grades');
 115
 116 if ($id) {
 117     $strheading = get_string('edituserkey', 'userkey');
 118 } else {
 119     $strheading = get_string('createuserkey', 'userkey');
 120 }
 121
 122 $PAGE->navbar->add($strgrades, new moodle_url('/grade/index.php', array('id'=>$courseid)));
 123 $PAGE->navbar->add($strkeys, new moodle_url('/grade/export/keymanager.php', array('id'=>$courseid)));
 124 $PAGE->navbar->add($strheading);
 125
 126 /// Print header
 127 $PAGE->set_title($strkeys);
 128 $PAGE->set_heading($course->fullname);
 129 echo $OUTPUT->header();
 130
 131 $editform->display();
 132 echo $OUTPUT->footer();
 133