course/edit.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  * Edit course settings
  19  *
  20  * @package    core_course
  21  * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once('../config.php');
  26 require_once('lib.php');
  27 require_once('edit_form.php');
  28
  29 $id = optional_param('id', 0, PARAM_INT); // Course id.
  30 $categoryid = optional_param('category', 0, PARAM_INT); // Course category - can be changed in edit form.
  31 $returnto = optional_param('returnto', 0, PARAM_ALPHANUM); // Generic navigation return page switch.
  32
  33 $PAGE->set_pagelayout('admin');
  34 $pageparams = array('id'=>$id);
  35 if (empty($id)) {
  36     $pageparams = array('category'=>$categoryid);
  37 }
  38 $PAGE->set_url('/course/edit.php', $pageparams);
  39
  40 // Basic access control checks.
  41 if ($id) {
  42     // Editing course.
  43     if ($id == SITEID){
  44         // Don't allow editing of  'site course' using this from.
  45         print_error('cannoteditsiteform');
  46     }
  47
  48     $course = course_get_format($id)->get_course();
  49     require_login($course);
  50     $category = $DB->get_record('course_categories', array('id'=>$course->category), '*', MUST_EXIST);
  51     $coursecontext = context_course::instance($course->id);
  52     require_capability('moodle/course:update', $coursecontext);
  53
  54 } else if ($categoryid) {
  55     // Creating new course in this category.
  56     $course = null;
  57     require_login();
  58     $category = $DB->get_record('course_categories', array('id'=>$categoryid), '*', MUST_EXIST);
  59     $catcontext = context_coursecat::instance($category->id);
  60     require_capability('moodle/course:create', $catcontext);
  61     $PAGE->set_context($catcontext);
  62
  63 } else {
  64     require_login();
  65     print_error('needcoursecategroyid');
  66 }
  67
  68 // Prepare course and the editor.
  69 $editoroptions = array('maxfiles' => EDITOR_UNLIMITED_FILES, 'maxbytes'=>$CFG->maxbytes, 'trusttext'=>false, 'noclean'=>true);
  70 $overviewfilesoptions = course_overviewfiles_options($course);
  71 if (!empty($course)) {
  72     // Add context for editor.
  73     $editoroptions['context'] = $coursecontext;
  74     $editoroptions['subdirs'] = file_area_contains_subdirs($coursecontext, 'course', 'summary', 0);
  75     $course = file_prepare_standard_editor($course, 'summary', $editoroptions, $coursecontext, 'course', 'summary', 0);
  76     if ($overviewfilesoptions) {
  77         file_prepare_standard_filemanager($course, 'overviewfiles', $overviewfilesoptions, $coursecontext, 'course', 'overviewfiles', 0);
  78     }
  79
  80     // Inject current aliases.
  81     $aliases = $DB->get_records('role_names', array('contextid'=>$coursecontext->id));
  82     foreach($aliases as $alias) {
  83         $course->{'role_'.$alias->roleid} = $alias->name;
  84     }
  85
  86 } else {
  87     // Editor should respect category context if course context is not set.
  88     $editoroptions['context'] = $catcontext;
  89     $editoroptions['subdirs'] = 0;
  90     $course = file_prepare_standard_editor($course, 'summary', $editoroptions, null, 'course', 'summary', null);
  91     if ($overviewfilesoptions) {
  92         file_prepare_standard_filemanager($course, 'overviewfiles', $overviewfilesoptions, null, 'course', 'overviewfiles', 0);
  93     }
  94 }
  95
  96 // First create the form.
  97 $editform = new course_edit_form(NULL, array('course'=>$course, 'category'=>$category, 'editoroptions'=>$editoroptions, 'returnto'=>$returnto));
  98 if ($editform->is_cancelled()) {
  99         switch ($returnto) {
 100             case 'category':
 101                 $url = new moodle_url($CFG->wwwroot.'/course/index.php', array('categoryid' => $categoryid));
 102                 break;
 103             case 'catmanage':
 104                 $url = new moodle_url($CFG->wwwroot.'/course/management.php', array('categoryid' => $categoryid));
 105                 break;
 106             case 'topcatmanage':
 107                 $url = new moodle_url($CFG->wwwroot.'/course/management.php');
 108                 break;
 109             case 'topcat':
 110                 $url = new moodle_url($CFG->wwwroot.'/course/');
 111                 break;
 112             default:
 113                 if (!empty($course->id)) {
 114                     $url = new moodle_url($CFG->wwwroot.'/course/view.php', array('id'=>$course->id));
 115                 } else {
 116                     $url = new moodle_url($CFG->wwwroot.'/course/');
 117                 }
 118                 break;
 119         }
 120         redirect($url);
 121
 122 } else if ($data = $editform->get_data()) {
 123     // Process data if submitted.
 124     if (empty($course->id)) {
 125         // In creating the course.
 126         $course = create_course($data, $editoroptions);
 127
 128         // Get the context of the newly created course.
 129         $context = context_course::instance($course->id, MUST_EXIST);
 130
 131         if (!empty($CFG->creatornewroleid) and !is_viewing($context, NULL, 'moodle/role:assign') and !is_enrolled($context, NULL, 'moodle/role:assign')) {
 132             // Deal with course creators - enrol them internally with default role.
 133             enrol_try_internal_enrol($course->id, $USER->id, $CFG->creatornewroleid);
 134         }
 135         if (!is_enrolled($context)) {
 136             // Redirect to manual enrolment page if possible.
 137             $instances = enrol_get_instances($course->id, true);
 138             foreach($instances as $instance) {
 139                 if ($plugin = enrol_get_plugin($instance->enrol)) {
 140                     if ($plugin->get_manual_enrol_link($instance)) {
 141                         // We know that the ajax enrol UI will have an option to enrol.
 142                         redirect(new moodle_url('/enrol/users.php', array('id'=>$course->id)));
 143                     }
 144                 }
 145             }
 146         }
 147     } else {
 148         // Save any changes to the files used in the editor.
 149         update_course($data, $editoroptions);
 150     }
 151
 152     // Redirect user to newly created/updated course.
 153     redirect(new moodle_url('/course/view.php', array('id' => $course->id)));
 154 }
 155
 156 // Print the form.
 157
 158 $site = get_site();
 159
 160 $streditcoursesettings = get_string("editcoursesettings");
 161 $straddnewcourse = get_string("addnewcourse");
 162 $stradministration = get_string("administration");
 163 $strcategories = get_string("categories");
 164
 165 if (!empty($course->id)) {
 166     $PAGE->navbar->add($streditcoursesettings);
 167     $title = $streditcoursesettings;
 168     $fullname = $course->fullname;
 169 } else {
 170     $PAGE->navbar->add($stradministration, new moodle_url('/admin/index.php'));
 171     $PAGE->navbar->add($strcategories, new moodle_url('/course/index.php'));
 172     $PAGE->navbar->add($straddnewcourse);
 173     $title = "$site->shortname: $straddnewcourse";
 174     $fullname = $site->fullname;
 175 }
 176
 177 $PAGE->set_title($title);
 178 $PAGE->set_heading($fullname);
 179
 180 echo $OUTPUT->header();
 181 echo $OUTPUT->heading($streditcoursesettings);
 182
 183 $editform->display();
 184
 185 echo $OUTPUT->footer();