/**
  * Block initialization
  */
 public function init()
 {
     $this->title = get_string('pluginname', 'block_course_overview_lite');
     // Transition old user hidden course preferences.
     if (is_null(get_user_preferences('block_course_overview_lite_courses_hidden')) && !is_null($userpref = get_user_preferences('eclass_course_overview_courses_hidden'))) {
         $hiddencourses = unserialize($userpref);
         block_course_overview_lite_update_courses_hidden($hiddencourses);
     } else {
         if (is_null(get_user_preferences('block_course_overview_lite_courses_hidden')) && !is_null($userpref = get_user_preferences('course_overview_lite_courses_hidden'))) {
             block_course_overview_lite_update_courses_hidden(unserialize($userpref));
         }
     }
     // Transition old user course order preference.
     if (is_null(get_user_preferences('block_course_overview_lite_course_order')) && !is_null($userpref = get_user_preferences('course_overview_lite_course_order'))) {
         set_user_preference('block_course_overview_lite_course_order', json_encode(unserialize($userpref)));
     }
     // Transition old user course order preference.
     if (is_null(get_user_preferences('block_course_overview_lite_number_of_courses')) && !is_null($userpref = get_user_preferences('course_overview_lite_number_of_courses'))) {
         set_user_preference('block_course_overview_lite_number_of_courses', $userpref);
     }
 }
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
/**
 * @package    block_course_overview_lite
 * @author     Josh Stagg
 * @copyright  2014 Josh Stagg <*****@*****.**>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
require_once dirname(__FILE__) . '/../../config.php';
require_once dirname(__FILE__) . '/locallib.php';
require_sesskey();
require_login();
$togglecourse = required_param('toggle_hidden', PARAM_INT);
$hiddencourses = block_course_overview_lite_get_courses_hidden();
if (array_key_exists($togglecourse, $hiddencourses) && $hiddencourses[$togglecourse] == true) {
    unset($hiddencourses[$togglecourse]);
} else {
    $hiddencourses[$togglecourse] = true;
}
block_course_overview_lite_update_courses_hidden($hiddencourses);