enrol/editinstance.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  * Adds new instance of an enrolment plugin to specified course or edits current instance.
  19  *
  20  * @package    core_enrol
  21  * @copyright  2015 Damyon Wiese
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require('../config.php');
  26 require_once('editinstance_form.php');
  27
  28 $courseid   = required_param('courseid', PARAM_INT);
  29 $type   = required_param('type', PARAM_COMPONENT);
  30 $instanceid = optional_param('id', 0, PARAM_INT);
  31 $return = optional_param('returnurl', 0, PARAM_LOCALURL);
  32 $course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
  33 $context = context_course::instance($course->id, MUST_EXIST);
  34
  35 $plugin = enrol_get_plugin($type);
  36 if (!$plugin) {
  37     throw new moodle_exception('invaliddata', 'error');
  38 }
  39
  40 require_login($course);
  41
  42 if (!has_any_capability(['enrol/' . $type . ':config', 'moodle/course:editcoursewelcomemessage'], $context)) {
  43     throw new \moodle_exception('nopermissiontoaccesspage', 'error');
  44 }
  45
  46 $url = new moodle_url('/enrol/editinstance.php', ['courseid' => $course->id, 'id' => $instanceid, 'type' => $type]);
  47 $PAGE->set_url($url);
  48 $PAGE->set_pagelayout('admin');
  49 $PAGE->set_docs_path('enrol/' . $type . '/edit');
  50
  51 if (empty($return)) {
  52     $return = new moodle_url('/enrol/instances.php', array('id' => $course->id));
  53 }
  54
  55 if (!enrol_is_enabled($type)) {
  56     redirect($return);
  57 }
  58
  59 if ($instanceid) {
  60     $instance = $DB->get_record('enrol', array('courseid' => $course->id, 'enrol' => $type, 'id' => $instanceid), '*', MUST_EXIST);
  61     if ($instance->status == ENROL_INSTANCE_DISABLED) { // The instance is currently disabled.
  62         navigation_node::override_active_url(new moodle_url('/enrol/instances.php', ['id' => $course->id]));
  63         $name = $instance->name ?: get_string('pluginname', 'enrol_' . $type);
  64         $PAGE->navbar->add($name, $url);
  65     }
  66
  67 } else {
  68     require_capability('moodle/course:enrolconfig', $context);
  69     // No instance yet, we have to add new instance.
  70     navigation_node::override_active_url(new moodle_url('/enrol/instances.php', array('id' => $course->id)));
  71
  72     $instance = (object)$plugin->get_instance_defaults();
  73     $instance->id       = null;
  74     $instance->courseid = $course->id;
  75     $instance->status   = ENROL_INSTANCE_ENABLED; // Do not use default for automatically created instances here.
  76     $PAGE->navbar->add(get_string('pluginname', 'enrol_' . $type), $url);
  77 }
  78
  79 $mform = new enrol_instance_edit_form(null, array($instance, $plugin, $context, $type, $return));
  80
  81 if ($mform->is_cancelled()) {
  82     redirect($return);
  83
  84 } else if ($data = $mform->get_data()) {
  85
  86     if ($instance->id) {
  87         $reset = false;
  88         if (isset($data->status)) {
  89             $reset = ($instance->status != $data->status);
  90         }
  91
  92         foreach ($data as $key => $value) {
  93             $instance->$key = $value;
  94         }
  95
  96         $instance->timemodified   = time();
  97
  98         $plugin->update_instance($instance, $data);
  99
 100         if ($reset) {
 101             $context->mark_dirty();
 102         }
 103
 104     } else {
 105         $fields = (array) $data;
 106         $plugin->add_instance($course, $fields);
 107     }
 108
 109     redirect($return);
 110 }
 111
 112 $PAGE->set_heading($course->fullname);
 113 $PAGE->set_title(get_string('pluginname', 'enrol_' . $type));
 114
 115 echo $OUTPUT->header();
 116 echo $OUTPUT->heading(get_string('pluginname', 'enrol_' . $type));
 117 $mform->display();
 118 echo $OUTPUT->footer();