blocks/course_overview/move.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  * Move/order course functionality for course_overview block.
  19  *
  20  * @package    block_course_overview
  21  * @copyright  2012 Adam Olley <adam.olley@netspot.com.au>
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24 require_once(dirname(__FILE__) . '/../../config.php');
  25 require_once(dirname(__FILE__) . '/locallib.php');
  26
  27 require_sesskey();
  28 require_login();
  29
  30 $coursetomove = required_param('courseid', PARAM_INT);
  31 $moveto = required_param('moveto', PARAM_INT);
  32
  33 list($courses, $sitecourses, $coursecount) = block_course_overview_get_sorted_courses();
  34 $sortedcourses = array_keys($courses);
  35
  36 $currentcourseindex = array_search($coursetomove, $sortedcourses);
  37 // If coursetomove is not found or moveto < 0 or > count($sortedcourses) then throw error.
  38 if ($currentcourseindex === false) {
  39     print_error("invalidcourseid", null, null, $coursetomove);
  40 } else if (($moveto < 0) || ($moveto >= count($sortedcourses))) {
  41     print_error("invalidaction");
  42 }
  43
  44 // If current course index is same as destination index then don't do anything.
  45 if ($currentcourseindex === $moveto) {
  46     redirect(new moodle_url('/my/index.php'));
  47 }
  48
  49 // Create neworder list for courses.
  50 $neworder = array();
  51
  52 unset($sortedcourses[$currentcourseindex]);
  53 $neworder = array_slice($sortedcourses, 0, $moveto, true);
  54 $neworder[] = $coursetomove;
  55 $remaningcourses = array_slice($sortedcourses, $moveto);
  56 foreach ($remaningcourses as $courseid) {
  57     $neworder[] = $courseid;
  58 }
  59 block_course_overview_update_myorder(array_values($neworder));
  60 redirect(new moodle_url('/my/index.php'));