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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
/course/ -> mod.php (source)

Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401] [Versions 400 and 401] [Versions 401 and 402] [Versions 401 and 403]

   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   * Moves, adds, updates, duplicates or deletes modules in a course
  20   *
  21   * @copyright 1999 Martin Dougiamas  http://dougiamas.com
  22   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   * @package course
  24   */
  25  
  26  require("../config.php");
  27  require_once ("lib.php");
  28  
  29  $sectionreturn = optional_param('sr', null, PARAM_INT);
  30  $add           = optional_param('add', '', PARAM_ALPHANUM);
  31  $type          = optional_param('type', '', PARAM_ALPHA);
  32  $indent        = optional_param('indent', 0, PARAM_INT);
  33  $update        = optional_param('update', 0, PARAM_INT);
  34  $duplicate     = optional_param('duplicate', 0, PARAM_INT);
  35  $hide          = optional_param('hide', 0, PARAM_INT);
  36  $stealth       = optional_param('stealth', 0, PARAM_INT);
  37  $show          = optional_param('show', 0, PARAM_INT);
  38  $copy          = optional_param('copy', 0, PARAM_INT);
  39  $moveto        = optional_param('moveto', 0, PARAM_INT);
  40  $movetosection = optional_param('movetosection', 0, PARAM_INT);
  41  $delete        = optional_param('delete', 0, PARAM_INT);
  42  $course        = optional_param('course', 0, PARAM_INT);
  43  $groupmode     = optional_param('groupmode', -1, PARAM_INT);
  44  $cancelcopy    = optional_param('cancelcopy', 0, PARAM_BOOL);
  45  $confirm       = optional_param('confirm', 0, PARAM_BOOL);
  46  
  47  // This page should always redirect
  48  $url = new moodle_url('/course/mod.php');
  49  foreach (compact('indent','update','hide','show','copy','moveto','movetosection','delete','course','cancelcopy','confirm') as $key=>$value) {
  50      if ($value !== 0) {
  51          $url->param($key, $value);
  52      }
  53  }
  54  $url->param('sr', $sectionreturn);
  55  if ($add !== '') {
  56      $url->param('add', $add);
  57  }
  58  if ($type !== '') {
  59      $url->param('type', $type);
  60  }
  61  if ($groupmode !== '') {
  62      $url->param('groupmode', $groupmode);
  63  }
  64  $PAGE->set_url($url);
  65  
  66  require_login();
  67  
  68  //check if we are adding / editing a module that has new forms using formslib
  69  if (!empty($add)) {
  70      $id          = required_param('id', PARAM_INT);
  71      $section     = required_param('section', PARAM_INT);
  72      $type        = optional_param('type', '', PARAM_ALPHA);
  73      $returntomod = optional_param('return', 0, PARAM_BOOL);
  74  
  75      redirect("$CFG->wwwroot/course/modedit.php?add=$add&type=$type&course=$id&section=$section&return=$returntomod&sr=$sectionreturn");
  76  
  77  } else if (!empty($update)) {
  78      $cm = get_coursemodule_from_id('', $update, 0, true, MUST_EXIST);
  79      $returntomod = optional_param('return', 0, PARAM_BOOL);
  80      redirect("$CFG->wwwroot/course/modedit.php?update=$update&return=$returntomod&sr=$sectionreturn");
  81  
  82  } else if (!empty($duplicate) and confirm_sesskey()) {
  83       $cm     = get_coursemodule_from_id('', $duplicate, 0, true, MUST_EXIST);
  84       $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
  85  
  86      require_login($course, false, $cm);
  87      $modcontext = context_module::instance($cm->id);
  88      require_capability('moodle/course:manageactivities', $modcontext);
  89  
  90       // Duplicate the module.
  91       $newcm = duplicate_module($course, $cm);
  92       redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
  93  
  94  } else if (!empty($delete)) {
  95      $cm     = get_coursemodule_from_id('', $delete, 0, true, MUST_EXIST);
  96      $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
  97  
  98      require_login($course, false, $cm);
  99      $modcontext = context_module::instance($cm->id);
 100      require_capability('moodle/course:manageactivities', $modcontext);
 101  
 102      $return = course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn));
 103  
 104      if (!$confirm or !confirm_sesskey()) {
 105          $fullmodulename = get_string('modulename', $cm->modname);
 106  
 107          $optionsyes = array('confirm'=>1, 'delete'=>$cm->id, 'sesskey'=>sesskey(), 'sr' => $sectionreturn);
 108  
 109          $strdeletecheck = get_string('deletecheck', '', $fullmodulename);
 110          $strparams = (object)array('type' => $fullmodulename, 'name' => $cm->name);
 111          $strdeletechecktypename = get_string('deletechecktypename', '', $strparams);
 112  
 113          $PAGE->set_pagetype('mod-' . $cm->modname . '-delete');
 114          $PAGE->set_title($strdeletecheck);
 115          $PAGE->set_heading($course->fullname);
 116          $PAGE->navbar->add($strdeletecheck);
 117  
 118          echo $OUTPUT->header();
 119          echo $OUTPUT->box_start('noticebox');
 120          $formcontinue = new single_button(new moodle_url("$CFG->wwwroot/course/mod.php", $optionsyes), get_string('yes'));
 121          $formcancel = new single_button($return, get_string('no'), 'get');
 122          echo $OUTPUT->confirm($strdeletechecktypename, $formcontinue, $formcancel);
 123          echo $OUTPUT->box_end();
 124          echo $OUTPUT->footer();
 125  
 126          exit;
 127      }
 128  
 129      // Delete the module.
 130      course_delete_module($cm->id);
 131  
 132      redirect($return);
 133  }
 134  
 135  
 136  if ((!empty($movetosection) or !empty($moveto)) and confirm_sesskey()) {
 137      $cm     = get_coursemodule_from_id('', $USER->activitycopy, 0, true, MUST_EXIST);
 138      $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 139  
 140      require_login($course, false, $cm);
 141      $coursecontext = context_course::instance($course->id);
 142      $modcontext = context_module::instance($cm->id);
 143      require_capability('moodle/course:manageactivities', $modcontext);
 144  
 145      if (!empty($movetosection)) {
 146          if (!$section = $DB->get_record('course_sections', array('id'=>$movetosection, 'course'=>$cm->course))) {
 147              throw new \moodle_exception('sectionnotexist');
 148          }
 149          $beforecm = NULL;
 150  
 151      } else {                      // normal moveto
 152          if (!$beforecm = get_coursemodule_from_id('', $moveto, $cm->course, true)) {
 153              throw new \moodle_exception('invalidcoursemodule');
 154          }
 155          if (!$section = $DB->get_record('course_sections', array('id'=>$beforecm->section, 'course'=>$cm->course))) {
 156              throw new \moodle_exception('sectionnotexist');
 157          }
 158      }
 159  
 160      if (!ismoving($section->course)) {
 161          throw new \moodle_exception('needcopy', '', "view.php?id=$section->course");
 162      }
 163  
 164      moveto_module($cm, $section, $beforecm);
 165  
 166      $sectionreturn = $USER->activitycopysectionreturn;
 167      unset($USER->activitycopy);
 168      unset($USER->activitycopycourse);
 169      unset($USER->activitycopyname);
 170      unset($USER->activitycopysectionreturn);
 171  
 172      redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn)));
 173  
 174  } else if (!empty($indent) and confirm_sesskey()) {
 175      $id = required_param('id', PARAM_INT);
 176  
 177      $cm     = get_coursemodule_from_id('', $id, 0, true, MUST_EXIST);
 178      $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 179  
 180      require_login($course, false, $cm);
 181      $coursecontext = context_course::instance($course->id);
 182      $modcontext = context_module::instance($cm->id);
 183      require_capability('moodle/course:manageactivities', $modcontext);
 184  
 185      $cm->indent += $indent;
 186  
 187      if ($cm->indent < 0) {
 188          $cm->indent = 0;
 189      }
 190  
 191      $DB->set_field('course_modules', 'indent', $cm->indent, array('id'=>$cm->id));
 192  
 193      \course_modinfo::purge_course_module_cache($cm->course, $cm->id);
 194      // Rebuild invalidated module cache.
 195      rebuild_course_cache($cm->course, false, true);
 196  
 197      redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 198  
 199  } else if (!empty($hide) and confirm_sesskey()) {
 200      $cm     = get_coursemodule_from_id('', $hide, 0, true, MUST_EXIST);
 201      $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 202  
 203      require_login($course, false, $cm);
 204      $coursecontext = context_course::instance($course->id);
 205      $modcontext = context_module::instance($cm->id);
 206      require_capability('moodle/course:activityvisibility', $modcontext);
 207  
 208      if (set_coursemodule_visible($cm->id, 0)) {
 209          \core\event\course_module_updated::create_from_cm($cm, $modcontext)->trigger();
 210      }
 211      redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 212  
 213  } else if (!empty($stealth) and confirm_sesskey()) {
 214      list($course, $cm) = get_course_and_cm_from_cmid($stealth);
 215      require_login($course, false, $cm);
 216      require_capability('moodle/course:activityvisibility', $cm->context);
 217  
 218      if (set_coursemodule_visible($cm->id, 1, 0)) {
 219          \core\event\course_module_updated::create_from_cm($cm)->trigger();
 220      }
 221      redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 222  
 223  } else if (!empty($show) and confirm_sesskey()) {
 224      list($course, $cm) = get_course_and_cm_from_cmid($show);
 225      require_login($course, false, $cm);
 226      require_capability('moodle/course:activityvisibility', $cm->context);
 227      $section = $cm->get_section_info();
 228  
 229      if (set_coursemodule_visible($cm->id, 1)) {
 230          \core\event\course_module_updated::create_from_cm($cm)->trigger();
 231      }
 232      redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn)));
 233  
 234  } else if ($groupmode > -1 and confirm_sesskey()) {
 235      $id = required_param('id', PARAM_INT);
 236  
 237      $cm     = get_coursemodule_from_id('', $id, 0, true, MUST_EXIST);
 238      $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 239  
 240      require_login($course, false, $cm);
 241      $coursecontext = context_course::instance($course->id);
 242      $modcontext = context_module::instance($cm->id);
 243      require_capability('moodle/course:manageactivities', $modcontext);
 244  
 245      set_coursemodule_groupmode($cm->id, $groupmode);
 246      \core\event\course_module_updated::create_from_cm($cm, $modcontext)->trigger();
 247      redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 248  
 249  } else if (!empty($copy) and confirm_sesskey()) { // value = course module
 250      $cm     = get_coursemodule_from_id('', $copy, 0, true, MUST_EXIST);
 251      $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 252  
 253      require_login($course, false, $cm);
 254      $coursecontext = context_course::instance($course->id);
 255      $modcontext = context_module::instance($cm->id);
 256      require_capability('moodle/course:manageactivities', $modcontext);
 257  
 258      $section = $DB->get_record('course_sections', array('id'=>$cm->section), '*', MUST_EXIST);
 259  
 260      $USER->activitycopy              = $copy;
 261      $USER->activitycopycourse        = $cm->course;
 262      $USER->activitycopyname          = $cm->name;
 263      $USER->activitycopysectionreturn = $sectionreturn;
 264  
 265      redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn)));
 266  
 267  } else if (!empty($cancelcopy) and confirm_sesskey()) { // value = course module
 268  
 269      $courseid = $USER->activitycopycourse;
 270      $course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
 271  
 272      $cm     = get_coursemodule_from_id('', $USER->activitycopy, 0, true, IGNORE_MISSING);
 273      $sectionreturn = $USER->activitycopysectionreturn;
 274      unset($USER->activitycopy);
 275      unset($USER->activitycopycourse);
 276      unset($USER->activitycopyname);
 277      unset($USER->activitycopysectionreturn);
 278      redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 279  } else {
 280      throw new \moodle_exception('unknowaction');
 281  }