course/changenumsections.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  * This script allows the number of sections in a course to be increased
  20  * or decreased, redirecting to the course page.
  21  *
  22  * @package core_course
  23  * @copyright 2012 Dan Poltawski
  24  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  * @since Moodle 2.3
  26  */
  27
  28 require_once(dirname(__FILE__).'/../config.php');
  29 require_once($CFG->dirroot.'/course/lib.php');
  30
  31 $courseid = required_param('courseid', PARAM_INT);
  32 $increase = optional_param('increase', true, PARAM_BOOL);
  33 $course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
  34
  35 $PAGE->set_url('/course/changenumsections.php', array('courseid' => $courseid));
  36
  37 // Authorisation checks.
  38 require_login($course);
  39 require_capability('moodle/course:update', context_course::instance($course->id));
  40 require_sesskey();
  41
  42 if ($increase) {
  43     // Add an additional section.
  44     $course->numsections++;
  45 } else {
  46     // Remove a section.
  47     $course->numsections--;
  48 }
  49
  50 // Don't go less than 0, intentionally redirect silently (for the case of
  51 // double clicks).
  52 if ($course->numsections >= 0) {
  53     $DB->update_record('course', $course);
  54 }
  55
  56 $url = course_get_url($course);
  57 $url->set_anchor('changenumsections');
  58 // Redirect to where we were..
  59 redirect($url);