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 = get_context_instance(CONTEXT_COURSE, $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 = get_context_instance(CONTEXT_COURSECAT, $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     $allowedmods = array();
  69     if ($am = $DB->get_records('course_allowed_modules', array('course'=>$course->id))) {
  70         foreach ($am as $m) {
  71             $allowedmods[] = $m->module;
  72         }
  73     } else {
  74         // this happens in case we edit course created before enabling module restrictions or somebody disabled everything :-(
  75         if (empty($course->restrictmodules) and !empty($CFG->defaultallowedmodules)) {
  76             $allowedmods = explode(',', $CFG->defaultallowedmodules);
  77         }
  78     }
  79     $course->allowedmods = $allowedmods;
  80     //add context for editor
  81     $editoroptions['context'] = $coursecontext;
  82     $course = file_prepare_standard_editor($course, 'summary', $editoroptions, $coursecontext, 'course', 'summary', 0);
  83
  84 } else {
  85     //editor should respect category context if course context is not set.
  86     $editoroptions['context'] = $catcontext;
  87     $course = file_prepare_standard_editor($course, 'summary', $editoroptions, null, 'course', 'summary', null);
  88
  89     // Set up the default restricted module list
  90     if (!empty($CFG->restrictbydefault)) {
  91         if (!empty($CFG->defaultallowedmodules)) {
  92             $course->allowedmods = explode(',', $CFG->defaultallowedmodules);
  93         }
  94     }
  95 }
  96
  97 // first create the form
  98 $editform = new course_edit_form(NULL, array('course'=>$course, 'category'=>$category, 'editoroptions'=>$editoroptions, 'returnto'=>$returnto));
  99 if ($editform->is_cancelled()) {
 100         switch ($returnto) {
 101             case 'category':
 102                 $url = new moodle_url($CFG->wwwroot.'/course/category.php', array('id'=>$categoryid));
 103                 break;
 104             case 'topcat':
 105                 $url = new moodle_url($CFG->wwwroot.'/course/');
 106                 break;
 107             default:
 108                 if (!empty($course->id)) {
 109                     $url = new moodle_url($CFG->wwwroot.'/course/view.php', array('id'=>$course->id));
 110                 } else {
 111                     $url = new moodle_url($CFG->wwwroot.'/course/');
 112                 }
 113                 break;
 114         }
 115         redirect($url);
 116
 117 } else if ($data = $editform->get_data()) {
 118     // process data if submitted
 119
 120     if (empty($course->id)) {
 121         // In creating the course
 122         $course = create_course($data, $editoroptions);
 123
 124         // Get the context of the newly created course
 125         $context = get_context_instance(CONTEXT_COURSE, $course->id, MUST_EXIST);
 126
 127         if (!empty($CFG->creatornewroleid) and !is_viewing($context, NULL, 'moodle/role:assign') and !is_enrolled($context, NULL, 'moodle/role:assign')) {
 128             // deal with course creators - enrol them internally with default role
 129             enrol_try_internal_enrol($course->id, $USER->id, $CFG->creatornewroleid);
 130
 131         }
 132         if (!is_enrolled($context)) {
 133             // Redirect to manual enrolment page if possible
 134             $instances = enrol_get_instances($course->id, true);
 135             foreach($instances as $instance) {
 136                 if ($plugin = enrol_get_plugin($instance->enrol)) {
 137                     if ($plugin->get_manual_enrol_link($instance)) {
 138                         // we know that the ajax enrol UI will have an option to enrol
 139                         redirect(new moodle_url('/enrol/users.php', array('id'=>$course->id)));
 140                     }
 141                 }
 142             }
 143         }
 144     } else {
 145         // Save any changes to the files used in the editor
 146         update_course($data, $editoroptions);
 147     }
 148
 149     switch ($returnto) {
 150         case 'category':
 151         case 'topcat': //redirecting to where the new course was created by default.
 152             $url = new moodle_url($CFG->wwwroot.'/course/category.php', array('id'=>$categoryid));
 153             break;
 154         default:
 155             $url = new moodle_url($CFG->wwwroot.'/course/view.php', array('id'=>$course->id));
 156             break;
 157     }
 158     redirect($url);
 159 }
 160
 161
 162 // Print the form
 163
 164 $site = get_site();
 165
 166 $streditcoursesettings = get_string("editcoursesettings");
 167 $straddnewcourse = get_string("addnewcourse");
 168 $stradministration = get_string("administration");
 169 $strcategories = get_string("categories");
 170
 171 if (!empty($course->id)) {
 172     $PAGE->navbar->add($streditcoursesettings);
 173     $title = $streditcoursesettings;
 174     $fullname = $course->fullname;
 175 } else {
 176     $PAGE->navbar->add($stradministration, new moodle_url('/admin/index.php'));
 177     $PAGE->navbar->add($strcategories, new moodle_url('/course/index.php'));
 178     $PAGE->navbar->add($straddnewcourse);
 179     $title = "$site->shortname: $straddnewcourse";
 180     $fullname = $site->fullname;
 181 }
 182
 183 $PAGE->set_title($title);
 184 $PAGE->set_heading($fullname);
 185
 186 echo $OUTPUT->header();
 187 echo $OUTPUT->heading($streditcoursesettings);
 188
 189 $editform->display();
 190
 191 echo $OUTPUT->footer();
 192