course/ajax/management.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  * Performs course category management ajax actions.
  19  *
  20  * Please note functions may throw exceptions, please ensure your JS handles them as well as the outcome objects.
  21  *
  22  * @package    core_course
  23  * @copyright  2013 Sam Hemelryk
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 define('AJAX_SCRIPT', true);
  28
  29 require_once('../../config.php');
  30 require_once($CFG->dirroot.'/lib/coursecatlib.php');
  31 require_once($CFG->dirroot.'/course/lib.php');
  32
  33 $action = required_param('action', PARAM_ALPHA);
  34 require_sesskey(); // Gotta have the sesskey.
  35 require_login(); // Gotta be logged in (of course).
  36 $PAGE->set_context(context_system::instance());
  37
  38 // Prepare an outcome object. We always use this.
  39 $outcome = new stdClass;
  40 $outcome->error = false;
  41 $outcome->outcome = false;
  42
  43 echo $OUTPUT->header();
  44
  45 switch ($action) {
  46     case 'movecourseup' :
  47         $courseid = required_param('courseid', PARAM_INT);
  48         $outcome->outcome = \core_course\management\helper::action_course_change_sortorder_up_one_by_record($courseid);
  49         break;
  50     case 'movecoursedown' :
  51         $courseid = required_param('courseid', PARAM_INT);
  52         $outcome->outcome = \core_course\management\helper::action_course_change_sortorder_down_one_by_record($courseid);
  53         break;
  54     case 'movecourseintocategory':
  55         $courseid = required_param('courseid', PARAM_INT);
  56         $categoryid = required_param('categoryid', PARAM_INT);
  57         $outcome->outcome = \core_course\management\helper::move_courses_into_category($categoryid, $courseid);
  58         break;
  59     case 'movecourseafter' :
  60         $courseid = required_param('courseid', PARAM_INT);
  61         $moveaftercourseid = required_param('moveafter', PARAM_INT);
  62         $outcome->outcome = \core_course\management\helper::action_course_change_sortorder_after_course(
  63             $courseid, $moveaftercourseid);
  64         break;
  65     case 'hidecourse' :
  66         $courseid = required_param('courseid', PARAM_INT);
  67         $outcome->outcome = \core_course\management\helper::action_course_hide_by_record($courseid);
  68         break;
  69     case 'showcourse' :
  70         $courseid = required_param('courseid', PARAM_INT);
  71         $outcome->outcome = \core_course\management\helper::action_course_show_by_record($courseid);
  72         break;
  73     case 'movecategoryup' :
  74         $categoryid = required_param('categoryid', PARAM_INT);
  75         $outcome->outcome = \core_course\management\helper::action_category_change_sortorder_up_one_by_id($categoryid);
  76         break;
  77     case 'movecategorydown' :
  78         $categoryid = required_param('categoryid', PARAM_INT);
  79         $outcome->outcome = \core_course\management\helper::action_category_change_sortorder_down_one_by_id($categoryid);
  80         break;
  81     case 'hidecategory' :
  82         $categoryid = required_param('categoryid', PARAM_INT);
  83         $selectedcategoryid = optional_param('selectedcategory', null, PARAM_INT);
  84         $outcome->outcome = \core_course\management\helper::action_category_hide_by_id($categoryid);
  85         $outcome->categoryvisibility = \core_course\management\helper::get_category_children_visibility($categoryid);
  86         $outcome->coursevisibility = \core_course\management\helper::get_category_courses_visibility($categoryid);
  87         if ($selectedcategoryid !== null) {
  88             $outcome->coursevisibility = array_merge(
  89                 $outcome->coursevisibility,
  90                 \core_course\management\helper::get_category_courses_visibility($selectedcategoryid)
  91             );
  92         }
  93         break;
  94     case 'showcategory' :
  95         $categoryid = required_param('categoryid', PARAM_INT);
  96         $selectedcategoryid = optional_param('selectedcategory', null, PARAM_INT);
  97         $outcome->outcome = \core_course\management\helper::action_category_show_by_id($categoryid);
  98         $outcome->categoryvisibility = \core_course\management\helper::get_category_children_visibility($categoryid);
  99         $outcome->coursevisibility = \core_course\management\helper::get_category_courses_visibility($categoryid);
 100         if ($selectedcategoryid !== null) {
 101             $outcome->coursevisibility = array_merge(
 102                 $outcome->coursevisibility,
 103                 \core_course\management\helper::get_category_courses_visibility($selectedcategoryid)
 104             );
 105         }
 106         break;
 107     case 'getsubcategorieshtml' :
 108         $categoryid = required_param('categoryid', PARAM_INT);
 109         /* @var core_course_management_renderer $renderer */
 110         $renderer = $PAGE->get_renderer('core_course', 'management');
 111         $outcome->html = html_writer::start_tag('ul', array('class' => 'ml'));
 112         $coursecat = coursecat::get($categoryid);
 113         foreach ($coursecat->get_children() as $subcat) {
 114             $outcome->html .= $renderer->category_listitem($subcat, array(), $subcat->get_children_count());
 115         }
 116         $outcome->html .= html_writer::end_tag('ul');
 117         $outcome->outcome = true;
 118         break;
 119 }
 120
 121 echo json_encode($outcome);
 122 echo $OUTPUT->footer();
 123 // Thats all folks.
 124 // Don't ever even consider putting anything after this. It just wouldn't make sense.
 125 // But you already knew that, you smart developer you.
 126 exit;