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 $courseformatoptions = course_get_format($course)->get_format_options();
  35
  36 $PAGE->set_url('/course/changenumsections.php', array('courseid' => $courseid));
  37
  38 // Authorisation checks.
  39 require_login($course);
  40 require_capability('moodle/course:update', context_course::instance($course->id));
  41 require_sesskey();
  42
  43 if (isset($courseformatoptions['numsections'])) {
  44     if ($increase) {
  45         // Add an additional section.
  46         $courseformatoptions['numsections']++;
  47     } else {
  48         // Remove a section.
  49         $courseformatoptions['numsections']--;
  50     }
  51
  52     // Don't go less than 0, intentionally redirect silently (for the case of
  53     // double clicks).
  54     if ($courseformatoptions['numsections'] >= 0) {
  55         course_get_format($course)->update_course_format_options(
  56                 array('numsections' => $courseformatoptions['numsections']));
  57     }
  58 }
  59
  60 $url = course_get_url($course);
  61 $url->set_anchor('changenumsections');
  62 // Redirect to where we were..
  63 redirect($url);