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 $PAGE->set_pagelayout('admin');
  34 if ($id) {
  35     $pageparams = array('id' => $id);
  36 } else {
  37     $pageparams = array('category' => $categoryid);
  38 }
  39 $PAGE->set_url('/course/edit.php', $pageparams);
  40
  41 // Basic access control checks.
  42 if ($id) {
  43     // Editing course.
  44     if ($id == SITEID){
  45         // Don't allow editing of  'site course' using this from.
  46         print_error('cannoteditsiteform');
  47     }
  48
  49     // Login to the course and retrieve also all fields defined by course format.
  50     $course = get_course($id);
  51     require_login($course);
  52     $course = course_get_format($course)->get_course();
  53
  54     $category = $DB->get_record('course_categories', array('id'=>$course->category), '*', MUST_EXIST);
  55     $coursecontext = context_course::instance($course->id);
  56     require_capability('moodle/course:update', $coursecontext);
  57
  58 } else if ($categoryid) {
  59     // Creating new course in this category.
  60     $course = null;
  61     require_login();
  62     $category = $DB->get_record('course_categories', array('id'=>$categoryid), '*', MUST_EXIST);
  63     $catcontext = context_coursecat::instance($category->id);
  64     require_capability('moodle/course:create', $catcontext);
  65     $PAGE->set_context($catcontext);
  66
  67 } else {
  68     require_login();
  69     print_error('needcoursecategroyid');
  70 }
  71
  72 // Prepare course and the editor.
  73 $editoroptions = array('maxfiles' => EDITOR_UNLIMITED_FILES, 'maxbytes'=>$CFG->maxbytes, 'trusttext'=>false, 'noclean'=>true);
  74 $overviewfilesoptions = course_overviewfiles_options($course);
  75 if (!empty($course)) {
  76     // Add context for editor.
  77     $editoroptions['context'] = $coursecontext;
  78     $editoroptions['subdirs'] = file_area_contains_subdirs($coursecontext, 'course', 'summary', 0);
  79     $course = file_prepare_standard_editor($course, 'summary', $editoroptions, $coursecontext, 'course', 'summary', 0);
  80     if ($overviewfilesoptions) {
  81         file_prepare_standard_filemanager($course, 'overviewfiles', $overviewfilesoptions, $coursecontext, 'course', 'overviewfiles', 0);
  82     }
  83
  84     // Inject current aliases.
  85     $aliases = $DB->get_records('role_names', array('contextid'=>$coursecontext->id));
  86     foreach($aliases as $alias) {
  87         $course->{'role_'.$alias->roleid} = $alias->name;
  88     }
  89
  90 } else {
  91     // Editor should respect category context if course context is not set.
  92     $editoroptions['context'] = $catcontext;
  93     $editoroptions['subdirs'] = 0;
  94     $course = file_prepare_standard_editor($course, 'summary', $editoroptions, null, 'course', 'summary', null);
  95     if ($overviewfilesoptions) {
  96         file_prepare_standard_filemanager($course, 'overviewfiles', $overviewfilesoptions, null, 'course', 'overviewfiles', 0);
  97     }
  98 }
  99
 100 // First create the form.
 101 $editform = new course_edit_form(NULL, array('course'=>$course, 'category'=>$category, 'editoroptions'=>$editoroptions, 'returnto'=>$returnto));
 102 if ($editform->is_cancelled()) {
 103         switch ($returnto) {
 104             case 'category':
 105                 $url = new moodle_url($CFG->wwwroot.'/course/index.php', array('categoryid' => $categoryid));
 106                 break;
 107             case 'catmanage':
 108                 $url = new moodle_url($CFG->wwwroot.'/course/management.php', array('categoryid' => $categoryid));
 109                 break;
 110             case 'topcatmanage':
 111                 $url = new moodle_url($CFG->wwwroot.'/course/management.php');
 112                 break;
 113             case 'topcat':
 114                 $url = new moodle_url($CFG->wwwroot.'/course/');
 115                 break;
 116             default:
 117                 if (!empty($course->id)) {
 118                     $url = new moodle_url($CFG->wwwroot.'/course/view.php', array('id'=>$course->id));
 119                 } else {
 120                     $url = new moodle_url($CFG->wwwroot.'/course/');
 121                 }
 122                 break;
 123         }
 124         redirect($url);
 125
 126 } else if ($data = $editform->get_data()) {
 127     // Process data if submitted.
 128     if (empty($course->id)) {
 129         // In creating the course.
 130         $course = create_course($data, $editoroptions);
 131
 132         // Get the context of the newly created course.
 133         $context = context_course::instance($course->id, MUST_EXIST);
 134
 135         if (!empty($CFG->creatornewroleid) and !is_viewing($context, NULL, 'moodle/role:assign') and !is_enrolled($context, NULL, 'moodle/role:assign')) {
 136             // Deal with course creators - enrol them internally with default role.
 137             enrol_try_internal_enrol($course->id, $USER->id, $CFG->creatornewroleid);
 138         }
 139         if (!is_enrolled($context)) {
 140             // Redirect to manual enrolment page if possible.
 141             $instances = enrol_get_instances($course->id, true);
 142             foreach($instances as $instance) {
 143                 if ($plugin = enrol_get_plugin($instance->enrol)) {
 144                     if ($plugin->get_manual_enrol_link($instance)) {
 145                         // We know that the ajax enrol UI will have an option to enrol.
 146                         redirect(new moodle_url('/enrol/users.php', array('id'=>$course->id)));
 147                     }
 148                 }
 149             }
 150         }
 151     } else {
 152         // Save any changes to the files used in the editor.
 153         update_course($data, $editoroptions);
 154     }
 155
 156     // Redirect user to newly created/updated course.
 157     redirect(new moodle_url('/course/view.php', array('id' => $course->id)));
 158 }
 159
 160 // Print the form.
 161
 162 $site = get_site();
 163
 164 $streditcoursesettings = get_string("editcoursesettings");
 165 $straddnewcourse = get_string("addnewcourse");
 166 $stradministration = get_string("administration");
 167 $strcategories = get_string("categories");
 168
 169 if (!empty($course->id)) {
 170     // Navigation note: The user is editing a course, the course will exist within the navigation and settings.
 171     // The navigation will automatically find the Edit settings page under course navigation.
 172     $pagedesc = $streditcoursesettings;
 173     $title = $streditcoursesettings;
 174     $fullname = $course->fullname;
 175 } else {
 176     // The user is adding a course, this page isn't presented in the site navigation/admin.
 177     // Adding a new course is part of course category management territory.
 178     // We'd prefer to use the management interface URL without args.
 179     $managementurl = new moodle_url('/course/management.php');
 180     // These are the caps required in order to see the management interface.
 181     $managementcaps = array('moodle/category:manage', 'moodle/course:create');
 182     if ($categoryid && !has_any_capability($managementcaps, context_system::instance())) {
 183         // If the user doesn't have either manage caps then they can only manage within the given category.
 184         $managementurl->param('categoryid', $categoryid);
 185     }
 186     // Because the course category management interfaces are buried in the admin tree and that is loaded by ajax
 187     // we need to manually tell the navigation we need it loaded. The second arg does this.
 188     navigation_node::override_active_url($managementurl, true);
 189
 190     $pagedesc = $straddnewcourse;
 191     $title = "$site->shortname: $straddnewcourse";
 192     $fullname = $site->fullname;
 193     $PAGE->navbar->add($pagedesc);
 194 }
 195
 196 $PAGE->set_title($title);
 197 $PAGE->set_heading($fullname);
 198
 199 echo $OUTPUT->header();
 200 echo $OUTPUT->heading($pagedesc);
 201
 202 $editform->display();
 203
 204 echo $OUTPUT->footer();