course/edit.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  * Edit course settings
  20  *
  21  * @package    moodlecore
  22  * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
  23  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26 require_once('../config.php');
  27 require_once('lib.php');
  28 require_once('edit_form.php');
  29
  30 $id         = optional_param('id', 0, PARAM_INT);       // course id
  31 $categoryid = optional_param('category', 0, PARAM_INT); // course category - can be changed in edit form
  32 $returnto = optional_param('returnto', 0, PARAM_ALPHANUM); // generic navigation return page switch
  33
  34 $PAGE->set_pagelayout('admin');
  35 $PAGE->set_url('/course/edit.php');
  36
  37 // basic access control checks
  38 if ($id) { // editing course
  39     if ($id == SITEID){
  40         // don't allow editing of  'site course' using this from
  41         print_error('cannoteditsiteform');
  42     }
  43
  44     $course = $DB->get_record('course', array('id'=>$id), '*', MUST_EXIST);
  45     require_login($course);
  46     $category = $DB->get_record('course_categories', array('id'=>$course->category), '*', MUST_EXIST);
  47     $coursecontext = context_course::instance($course->id);
  48     require_capability('moodle/course:update', $coursecontext);
  49     $PAGE->url->param('id',$id);
  50
  51 } else if ($categoryid) { // creating new course in this category
  52     $course = null;
  53     require_login();
  54     $category = $DB->get_record('course_categories', array('id'=>$categoryid), '*', MUST_EXIST);
  55     $catcontext = context_coursecat::instance($category->id);
  56     require_capability('moodle/course:create', $catcontext);
  57     $PAGE->url->param('category',$categoryid);
  58     $PAGE->set_context($catcontext);
  59
  60 } else {
  61     require_login();
  62     print_error('needcoursecategroyid');
  63 }
  64
  65 // Prepare course and the editor
  66 $editoroptions = array('maxfiles' => EDITOR_UNLIMITED_FILES, 'maxbytes'=>$CFG->maxbytes, 'trusttext'=>false, 'noclean'=>true);
  67 if (!empty($course)) {
  68     //add context for editor
  69     $editoroptions['context'] = $coursecontext;
  70     $course = file_prepare_standard_editor($course, 'summary', $editoroptions, $coursecontext, 'course', 'summary', 0);
  71
  72     // Inject current aliases
  73     $aliases = $DB->get_records('role_names', array('contextid'=>$coursecontext->id));
  74     foreach($aliases as $alias) {
  75         $course->{'role_'.$alias->roleid} = $alias->name;
  76     }
  77
  78 } else {
  79     //editor should respect category context if course context is not set.
  80     $editoroptions['context'] = $catcontext;
  81     $course = file_prepare_standard_editor($course, 'summary', $editoroptions, null, 'course', 'summary', null);
  82 }
  83
  84 // first create the form
  85 $editform = new course_edit_form(NULL, array('course'=>$course, 'category'=>$category, 'editoroptions'=>$editoroptions, 'returnto'=>$returnto));
  86 if ($editform->is_cancelled()) {
  87         switch ($returnto) {
  88             case 'category':
  89                 $url = new moodle_url($CFG->wwwroot.'/course/category.php', array('id'=>$categoryid));
  90                 break;
  91             case 'topcat':
  92                 $url = new moodle_url($CFG->wwwroot.'/course/');
  93                 break;
  94             default:
  95                 if (!empty($course->id)) {
  96                     $url = new moodle_url($CFG->wwwroot.'/course/view.php', array('id'=>$course->id));
  97                 } else {
  98                     $url = new moodle_url($CFG->wwwroot.'/course/');
  99                 }
 100                 break;
 101         }
 102         redirect($url);
 103
 104 } else if ($data = $editform->get_data()) {
 105     // process data if submitted
 106
 107     if (empty($course->id)) {
 108         // In creating the course
 109         $course = create_course($data, $editoroptions);
 110
 111         // Get the context of the newly created course
 112         $context = context_course::instance($course->id, MUST_EXIST);
 113
 114         if (!empty($CFG->creatornewroleid) and !is_viewing($context, NULL, 'moodle/role:assign') and !is_enrolled($context, NULL, 'moodle/role:assign')) {
 115             // deal with course creators - enrol them internally with default role
 116             enrol_try_internal_enrol($course->id, $USER->id, $CFG->creatornewroleid);
 117
 118         }
 119         if (!is_enrolled($context)) {
 120             // Redirect to manual enrolment page if possible
 121             $instances = enrol_get_instances($course->id, true);
 122             foreach($instances as $instance) {
 123                 if ($plugin = enrol_get_plugin($instance->enrol)) {
 124                     if ($plugin->get_manual_enrol_link($instance)) {
 125                         // we know that the ajax enrol UI will have an option to enrol
 126                         redirect(new moodle_url('/enrol/users.php', array('id'=>$course->id)));
 127                     }
 128                 }
 129             }
 130         }
 131     } else {
 132         // Save any changes to the files used in the editor
 133         update_course($data, $editoroptions);
 134     }
 135
 136     switch ($returnto) {
 137         case 'category':
 138         case 'topcat': //redirecting to where the new course was created by default.
 139             $url = new moodle_url($CFG->wwwroot.'/course/category.php', array('id'=>$categoryid));
 140             break;
 141         default:
 142             $url = new moodle_url($CFG->wwwroot.'/course/view.php', array('id'=>$course->id));
 143             break;
 144     }
 145     redirect($url);
 146 }
 147
 148
 149 // Print the form
 150
 151 $site = get_site();
 152
 153 $streditcoursesettings = get_string("editcoursesettings");
 154 $straddnewcourse = get_string("addnewcourse");
 155 $stradministration = get_string("administration");
 156 $strcategories = get_string("categories");
 157
 158 if (!empty($course->id)) {
 159     $PAGE->navbar->add($streditcoursesettings);
 160     $title = $streditcoursesettings;
 161     $fullname = $course->fullname;
 162 } else {
 163     $PAGE->navbar->add($stradministration, new moodle_url('/admin/index.php'));
 164     $PAGE->navbar->add($strcategories, new moodle_url('/course/index.php'));
 165     $PAGE->navbar->add($straddnewcourse);
 166     $title = "$site->shortname: $straddnewcourse";
 167     $fullname = $site->fullname;
 168 }
 169
 170 $PAGE->set_title($title);
 171 $PAGE->set_heading($fullname);
 172
 173 echo $OUTPUT->header();
 174 echo $OUTPUT->heading($streditcoursesettings);
 175
 176 $editform->display();
 177
 178 echo $OUTPUT->footer();
 179