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

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