course/request.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  * Allows a user to request a course be created for them.
  20  *
  21  * @copyright 1999 Martin Dougiamas  http://dougiamas.com
  22  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  * @package course
  24  */
  25
  26 require_once(__DIR__ . '/../config.php');
  27 require_once($CFG->dirroot . '/course/lib.php');
  28 require_once($CFG->dirroot . '/course/request_form.php');
  29
  30 // Where we came from. Used in a number of redirects.
  31 $url = new moodle_url('/course/request.php');
  32 $return = optional_param('return', null, PARAM_ALPHANUMEXT);
  33 $categoryid = optional_param('category', null, PARAM_INT);
  34 if ($return === 'management') {
  35     $url->param('return', $return);
  36     $returnurl = new moodle_url('/course/management.php', array('categoryid' => $CFG->defaultrequestcategory));
  37 } else {
  38     $returnurl = new moodle_url('/course/index.php');
  39 }
  40
  41 $PAGE->set_url($url);
  42
  43 // Check permissions.
  44 require_login(null, false);
  45 if (isguestuser()) {
  46     print_error('guestsarenotallowed', '', $returnurl);
  47 }
  48 if (empty($CFG->enablecourserequests)) {
  49     print_error('courserequestdisabled', '', $returnurl);
  50 }
  51
  52 if ($CFG->lockrequestcategory) {
  53     // Course request category is locked, user will always request in the default request category.
  54     $categoryid = null;
  55 } else if (!$categoryid) {
  56     // Category selection is enabled but category is not specified.
  57     // Find a category where user has capability to request courses (preferably the default category).
  58     $list = core_course_category::make_categories_list('moodle/course:request');
  59     $categoryid = array_key_exists($CFG->defaultrequestcategory, $list) ? $CFG->defaultrequestcategory : key($list);
  60 }
  61
  62 $context = context_coursecat::instance($categoryid ?: $CFG->defaultrequestcategory);
  63 $PAGE->set_context($context);
  64 require_capability('moodle/course:request', $context);
  65
  66 // Set up the form.
  67 $data = $categoryid ? (object)['category' => $categoryid] : null;
  68 $data = course_request::prepare($data);
  69 $requestform = new course_request_form($url);
  70 $requestform->set_data($data);
  71
  72 $strtitle = get_string('courserequest');
  73 $PAGE->set_title($strtitle);
  74 $PAGE->set_heading($strtitle);
  75
  76 // Standard form processing if statement.
  77 if ($requestform->is_cancelled()){
  78     redirect($returnurl);
  79
  80 } else if ($data = $requestform->get_data()) {
  81     $request = course_request::create($data);
  82
  83     // And redirect back to the course listing.
  84     notice(get_string('courserequestsuccess'), $returnurl);
  85 }
  86
  87 $PAGE->navbar->add($strtitle);
  88 echo $OUTPUT->header();
  89 echo $OUTPUT->heading($strtitle);
  90 // Show the request form.
  91 $requestform->display();
  92 echo $OUTPUT->footer();