course/mod.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  * 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     $beforemod   = optional_param('beforemod', 0, PARAM_INT);
  75
  76     redirect(
  77         new moodle_url(
  78             '/course/modedit.php',
  79             [
  80                 'add' => $add,
  81                 'type' => $type,
  82                 'course' => $id,
  83                 'section' => $section,
  84                 'return' => $returntomod,
  85                 'sr' => $sectionreturn,
  86                 'beforemod' => $beforemod,
  87             ]
  88         )
  89     );
  90
  91 } else if (!empty($update)) {
  92     $cm = get_coursemodule_from_id('', $update, 0, true, MUST_EXIST);
  93     $returntomod = optional_param('return', 0, PARAM_BOOL);
  94     redirect("$CFG->wwwroot/course/modedit.php?update=$update&return=$returntomod&sr=$sectionreturn");
  95
  96 } else if (!empty($duplicate) and confirm_sesskey()) {
  97      $cm     = get_coursemodule_from_id('', $duplicate, 0, true, MUST_EXIST);
  98      $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
  99
 100     require_login($course, false, $cm);
 101     $modcontext = context_module::instance($cm->id);
 102     require_capability('moodle/course:manageactivities', $modcontext);
 103
 104      // Duplicate the module.
 105      $newcm = duplicate_module($course, $cm);
 106      redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 107
 108 } else if (!empty($delete)) {
 109     $cm     = get_coursemodule_from_id('', $delete, 0, true, MUST_EXIST);
 110     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 111
 112     require_login($course, false, $cm);
 113     $modcontext = context_module::instance($cm->id);
 114     require_capability('moodle/course:manageactivities', $modcontext);
 115
 116     $return = course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn));
 117
 118     if (!$confirm or !confirm_sesskey()) {
 119         $fullmodulename = get_string('modulename', $cm->modname);
 120
 121         $optionsyes = array('confirm'=>1, 'delete'=>$cm->id, 'sesskey'=>sesskey(), 'sr' => $sectionreturn);
 122
 123         $strdeletecheck = get_string('deletecheck', '', $fullmodulename);
 124         $strparams = (object)array('type' => $fullmodulename, 'name' => $cm->name);
 125         $strdeletechecktypename = get_string('deletechecktypename', '', $strparams);
 126
 127         $PAGE->set_pagetype('mod-' . $cm->modname . '-delete');
 128         $PAGE->set_title($strdeletecheck);
 129         $PAGE->set_heading($course->fullname);
 130         $PAGE->navbar->add($strdeletecheck);
 131
 132         echo $OUTPUT->header();
 133         echo $OUTPUT->box_start('noticebox');
 134         $formcontinue = new single_button(new moodle_url("$CFG->wwwroot/course/mod.php", $optionsyes), get_string('yes'));
 135         $formcancel = new single_button($return, get_string('no'), 'get');
 136         echo $OUTPUT->confirm($strdeletechecktypename, $formcontinue, $formcancel);
 137         echo $OUTPUT->box_end();
 138         echo $OUTPUT->footer();
 139
 140         exit;
 141     }
 142
 143     // Delete the module.
 144     course_delete_module($cm->id);
 145
 146     redirect($return);
 147 }
 148
 149
 150 if ((!empty($movetosection) or !empty($moveto)) and confirm_sesskey()) {
 151     $cm     = get_coursemodule_from_id('', $USER->activitycopy, 0, true, MUST_EXIST);
 152     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 153
 154     require_login($course, false, $cm);
 155     $coursecontext = context_course::instance($course->id);
 156     $modcontext = context_module::instance($cm->id);
 157     require_capability('moodle/course:manageactivities', $modcontext);
 158
 159     if (!empty($movetosection)) {
 160         if (!$section = $DB->get_record('course_sections', array('id'=>$movetosection, 'course'=>$cm->course))) {
 161             throw new \moodle_exception('sectionnotexist');
 162         }
 163         $beforecm = NULL;
 164
 165     } else {                      // normal moveto
 166         if (!$beforecm = get_coursemodule_from_id('', $moveto, $cm->course, true)) {
 167             throw new \moodle_exception('invalidcoursemodule');
 168         }
 169         if (!$section = $DB->get_record('course_sections', array('id'=>$beforecm->section, 'course'=>$cm->course))) {
 170             throw new \moodle_exception('sectionnotexist');
 171         }
 172     }
 173
 174     if (!ismoving($section->course)) {
 175         throw new \moodle_exception('needcopy', '', "view.php?id=$section->course");
 176     }
 177
 178     moveto_module($cm, $section, $beforecm);
 179
 180     $sectionreturn = $USER->activitycopysectionreturn;
 181     unset($USER->activitycopy);
 182     unset($USER->activitycopycourse);
 183     unset($USER->activitycopyname);
 184     unset($USER->activitycopysectionreturn);
 185
 186     redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn)));
 187
 188 } else if (!empty($indent) and confirm_sesskey()) {
 189     $id = required_param('id', PARAM_INT);
 190
 191     $cm     = get_coursemodule_from_id('', $id, 0, true, MUST_EXIST);
 192     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 193
 194     require_login($course, false, $cm);
 195     $coursecontext = context_course::instance($course->id);
 196     $modcontext = context_module::instance($cm->id);
 197     require_capability('moodle/course:manageactivities', $modcontext);
 198
 199     $cm->indent += $indent;
 200
 201     if ($cm->indent < 0) {
 202         $cm->indent = 0;
 203     }
 204
 205     $DB->set_field('course_modules', 'indent', $cm->indent, array('id'=>$cm->id));
 206
 207     \course_modinfo::purge_course_module_cache($cm->course, $cm->id);
 208     // Rebuild invalidated module cache.
 209     rebuild_course_cache($cm->course, false, true);
 210
 211     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 212
 213 } else if (!empty($hide) and confirm_sesskey()) {
 214     $cm     = get_coursemodule_from_id('', $hide, 0, true, MUST_EXIST);
 215     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 216
 217     require_login($course, false, $cm);
 218     $coursecontext = context_course::instance($course->id);
 219     $modcontext = context_module::instance($cm->id);
 220     require_capability('moodle/course:activityvisibility', $modcontext);
 221
 222     if (set_coursemodule_visible($cm->id, 0)) {
 223         \core\event\course_module_updated::create_from_cm($cm, $modcontext)->trigger();
 224     }
 225     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 226
 227 } else if (!empty($stealth) and confirm_sesskey()) {
 228     list($course, $cm) = get_course_and_cm_from_cmid($stealth);
 229     require_login($course, false, $cm);
 230     require_capability('moodle/course:activityvisibility', $cm->context);
 231
 232     if (set_coursemodule_visible($cm->id, 1, 0)) {
 233         \core\event\course_module_updated::create_from_cm($cm)->trigger();
 234     }
 235     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 236
 237 } else if (!empty($show) and confirm_sesskey()) {
 238     list($course, $cm) = get_course_and_cm_from_cmid($show);
 239     require_login($course, false, $cm);
 240     require_capability('moodle/course:activityvisibility', $cm->context);
 241     $section = $cm->get_section_info();
 242
 243     if (set_coursemodule_visible($cm->id, 1)) {
 244         \core\event\course_module_updated::create_from_cm($cm)->trigger();
 245     }
 246     redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn)));
 247
 248 } else if ($groupmode > -1 and confirm_sesskey()) {
 249     $id = required_param('id', PARAM_INT);
 250
 251     $cm     = get_coursemodule_from_id('', $id, 0, true, MUST_EXIST);
 252     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 253
 254     require_login($course, false, $cm);
 255     $coursecontext = context_course::instance($course->id);
 256     $modcontext = context_module::instance($cm->id);
 257     require_capability('moodle/course:manageactivities', $modcontext);
 258
 259     set_coursemodule_groupmode($cm->id, $groupmode);
 260     \core\event\course_module_updated::create_from_cm($cm, $modcontext)->trigger();
 261     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 262
 263 } else if (!empty($copy) and confirm_sesskey()) { // value = course module
 264     $cm     = get_coursemodule_from_id('', $copy, 0, true, MUST_EXIST);
 265     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 266
 267     require_login($course, false, $cm);
 268     $coursecontext = context_course::instance($course->id);
 269     $modcontext = context_module::instance($cm->id);
 270     require_capability('moodle/course:manageactivities', $modcontext);
 271
 272     $section = $DB->get_record('course_sections', array('id'=>$cm->section), '*', MUST_EXIST);
 273
 274     $USER->activitycopy              = $copy;
 275     $USER->activitycopycourse        = $cm->course;
 276     $USER->activitycopyname          = $cm->name;
 277     $USER->activitycopysectionreturn = $sectionreturn;
 278
 279     redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn)));
 280
 281 } else if (!empty($cancelcopy) and confirm_sesskey()) { // value = course module
 282
 283     $courseid = $USER->activitycopycourse;
 284     $course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
 285
 286     $cm     = get_coursemodule_from_id('', $USER->activitycopy, 0, true, IGNORE_MISSING);
 287     $sectionreturn = $USER->activitycopysectionreturn;
 288     unset($USER->activitycopy);
 289     unset($USER->activitycopycourse);
 290     unset($USER->activitycopyname);
 291     unset($USER->activitycopysectionreturn);
 292     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 293 } else {
 294     throw new \moodle_exception('unknowaction');
 295 }