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     // Login to the course and retrieve also all fields defined by course format.
  49     $course = get_course($id);
  50     require_login($course);
  51     $course = course_get_format($course)->get_course();
  52
  53     $category = $DB->get_record('course_categories', array('id'=>$course->category), '*', MUST_EXIST);
  54     $coursecontext = context_course::instance($course->id);
  55     require_capability('moodle/course:update', $coursecontext);
  56
  57 } else if ($categoryid) {
  58     // Creating new course in this category.
  59     $course = null;
  60     require_login();
  61     $category = $DB->get_record('course_categories', array('id'=>$categoryid), '*', MUST_EXIST);
  62     $catcontext = context_coursecat::instance($category->id);
  63     require_capability('moodle/course:create', $catcontext);
  64     $PAGE->set_context($catcontext);
  65
  66 } else {
  67     require_login();
  68     print_error('needcoursecategroyid');
  69 }
  70
  71 // Prepare course and the editor.
  72 $editoroptions = array('maxfiles' => EDITOR_UNLIMITED_FILES, 'maxbytes'=>$CFG->maxbytes, 'trusttext'=>false, 'noclean'=>true);
  73 $overviewfilesoptions = course_overviewfiles_options($course);
  74 if (!empty($course)) {
  75     // Add context for editor.
  76     $editoroptions['context'] = $coursecontext;
  77     $editoroptions['subdirs'] = file_area_contains_subdirs($coursecontext, 'course', 'summary', 0);
  78     $course = file_prepare_standard_editor($course, 'summary', $editoroptions, $coursecontext, 'course', 'summary', 0);
  79     if ($overviewfilesoptions) {
  80         file_prepare_standard_filemanager($course, 'overviewfiles', $overviewfilesoptions, $coursecontext, 'course', 'overviewfiles', 0);
  81     }
  82
  83     // Inject current aliases.
  84     $aliases = $DB->get_records('role_names', array('contextid'=>$coursecontext->id));
  85     foreach($aliases as $alias) {
  86         $course->{'role_'.$alias->roleid} = $alias->name;
  87     }
  88
  89 } else {
  90     // Editor should respect category context if course context is not set.
  91     $editoroptions['context'] = $catcontext;
  92     $editoroptions['subdirs'] = 0;
  93     $course = file_prepare_standard_editor($course, 'summary', $editoroptions, null, 'course', 'summary', null);
  94     if ($overviewfilesoptions) {
  95         file_prepare_standard_filemanager($course, 'overviewfiles', $overviewfilesoptions, null, 'course', 'overviewfiles', 0);
  96     }
  97 }
  98
  99 // First create the form.
 100 $editform = new course_edit_form(NULL, array('course'=>$course, 'category'=>$category, 'editoroptions'=>$editoroptions, 'returnto'=>$returnto));
 101 if ($editform->is_cancelled()) {
 102         switch ($returnto) {
 103             case 'category':
 104                 $url = new moodle_url($CFG->wwwroot.'/course/index.php', array('categoryid' => $categoryid));
 105                 break;
 106             case 'catmanage':
 107                 $url = new moodle_url($CFG->wwwroot.'/course/management.php', array('categoryid' => $categoryid));
 108                 break;
 109             case 'topcatmanage':
 110                 $url = new moodle_url($CFG->wwwroot.'/course/management.php');
 111                 break;
 112             case 'topcat':
 113                 $url = new moodle_url($CFG->wwwroot.'/course/');
 114                 break;
 115             default:
 116                 if (!empty($course->id)) {
 117                     $url = new moodle_url($CFG->wwwroot.'/course/view.php', array('id'=>$course->id));
 118                 } else {
 119                     $url = new moodle_url($CFG->wwwroot.'/course/');
 120                 }
 121                 break;
 122         }
 123         redirect($url);
 124
 125 } else if ($data = $editform->get_data()) {
 126     // Process data if submitted.
 127     if (empty($course->id)) {
 128         // In creating the course.
 129         $course = create_course($data, $editoroptions);
 130
 131         // Get the context of the newly created course.
 132         $context = context_course::instance($course->id, MUST_EXIST);
 133
 134         if (!empty($CFG->creatornewroleid) and !is_viewing($context, NULL, 'moodle/role:assign') and !is_enrolled($context, NULL, 'moodle/role:assign')) {
 135             // Deal with course creators - enrol them internally with default role.
 136             enrol_try_internal_enrol($course->id, $USER->id, $CFG->creatornewroleid);
 137         }
 138         if (!is_enrolled($context)) {
 139             // Redirect to manual enrolment page if possible.
 140             $instances = enrol_get_instances($course->id, true);
 141             foreach($instances as $instance) {
 142                 if ($plugin = enrol_get_plugin($instance->enrol)) {
 143                     if ($plugin->get_manual_enrol_link($instance)) {
 144                         // We know that the ajax enrol UI will have an option to enrol.
 145                         redirect(new moodle_url('/enrol/users.php', array('id'=>$course->id)));
 146                     }
 147                 }
 148             }
 149         }
 150     } else {
 151         // Save any changes to the files used in the editor.
 152         update_course($data, $editoroptions);
 153     }
 154
 155     // Redirect user to newly created/updated course.
 156     redirect(new moodle_url('/course/view.php', array('id' => $course->id)));
 157 }
 158
 159 // Print the form.
 160
 161 $site = get_site();
 162
 163 $streditcoursesettings = get_string("editcoursesettings");
 164 $straddnewcourse = get_string("addnewcourse");
 165 $stradministration = get_string("administration");
 166 $strcategories = get_string("categories");
 167
 168 if (!empty($course->id)) {
 169     $PAGE->navbar->add($streditcoursesettings);
 170     $title = $streditcoursesettings;
 171     $fullname = $course->fullname;
 172 } else {
 173     $PAGE->navbar->add($stradministration, new moodle_url('/admin/index.php'));
 174     $PAGE->navbar->add($strcategories, new moodle_url('/course/index.php'));
 175     $PAGE->navbar->add($straddnewcourse);
 176     $title = "$site->shortname: $straddnewcourse";
 177     $fullname = $site->fullname;
 178 }
 179
 180 $PAGE->set_title($title);
 181 $PAGE->set_heading($fullname);
 182
 183 echo $OUTPUT->header();
 184 echo $OUTPUT->heading($streditcoursesettings);
 185
 186 $editform->display();
 187
 188 echo $OUTPUT->footer();