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     $returntomod = optional_param('return', 0, PARAM_BOOL);
  74
  75     redirect("$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             print_error('sectionnotexist');
 148         }
 149         $beforecm = NULL;
 150
 151     } else {                      // normal moveto
 152         if (!$beforecm = get_coursemodule_from_id('', $moveto, $cm->course, true)) {
 153             print_error('invalidcoursemodule');
 154         }
 155         if (!$section = $DB->get_record('course_sections', array('id'=>$beforecm->section, 'course'=>$cm->course))) {
 156             print_error('sectionnotexist');
 157         }
 158     }
 159
 160     if (!ismoving($section->course)) {
 161         print_error('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     rebuild_course_cache($cm->course);
 194
 195     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 196
 197 } else if (!empty($hide) and confirm_sesskey()) {
 198     $cm     = get_coursemodule_from_id('', $hide, 0, true, MUST_EXIST);
 199     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 200
 201     require_login($course, false, $cm);
 202     $coursecontext = context_course::instance($course->id);
 203     $modcontext = context_module::instance($cm->id);
 204     require_capability('moodle/course:activityvisibility', $modcontext);
 205
 206     if (set_coursemodule_visible($cm->id, 0)) {
 207         \core\event\course_module_updated::create_from_cm($cm, $modcontext)->trigger();
 208     }
 209     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 210
 211 } else if (!empty($stealth) and confirm_sesskey()) {
 212     list($course, $cm) = get_course_and_cm_from_cmid($stealth);
 213     require_login($course, false, $cm);
 214     require_capability('moodle/course:activityvisibility', $cm->context);
 215
 216     if (set_coursemodule_visible($cm->id, 1, 0)) {
 217         \core\event\course_module_updated::create_from_cm($cm)->trigger();
 218     }
 219     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 220
 221 } else if (!empty($show) and confirm_sesskey()) {
 222     list($course, $cm) = get_course_and_cm_from_cmid($show);
 223     require_login($course, false, $cm);
 224     require_capability('moodle/course:activityvisibility', $cm->context);
 225     $section = $cm->get_section_info();
 226
 227     if (set_coursemodule_visible($cm->id, 1)) {
 228         \core\event\course_module_updated::create_from_cm($cm)->trigger();
 229     }
 230     redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn)));
 231
 232 } else if ($groupmode > -1 and confirm_sesskey()) {
 233     $id = required_param('id', PARAM_INT);
 234
 235     $cm     = get_coursemodule_from_id('', $id, 0, true, MUST_EXIST);
 236     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 237
 238     require_login($course, false, $cm);
 239     $coursecontext = context_course::instance($course->id);
 240     $modcontext = context_module::instance($cm->id);
 241     require_capability('moodle/course:manageactivities', $modcontext);
 242
 243     set_coursemodule_groupmode($cm->id, $groupmode);
 244     \core\event\course_module_updated::create_from_cm($cm, $modcontext)->trigger();
 245     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 246
 247 } else if (!empty($copy) and confirm_sesskey()) { // value = course module
 248     $cm     = get_coursemodule_from_id('', $copy, 0, true, MUST_EXIST);
 249     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 250
 251     require_login($course, false, $cm);
 252     $coursecontext = context_course::instance($course->id);
 253     $modcontext = context_module::instance($cm->id);
 254     require_capability('moodle/course:manageactivities', $modcontext);
 255
 256     $section = $DB->get_record('course_sections', array('id'=>$cm->section), '*', MUST_EXIST);
 257
 258     $USER->activitycopy              = $copy;
 259     $USER->activitycopycourse        = $cm->course;
 260     $USER->activitycopyname          = $cm->name;
 261     $USER->activitycopysectionreturn = $sectionreturn;
 262
 263     redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn)));
 264
 265 } else if (!empty($cancelcopy) and confirm_sesskey()) { // value = course module
 266
 267     $courseid = $USER->activitycopycourse;
 268     $course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
 269
 270     $cm     = get_coursemodule_from_id('', $USER->activitycopy, 0, true, IGNORE_MISSING);
 271     $sectionreturn = $USER->activitycopysectionreturn;
 272     unset($USER->activitycopy);
 273     unset($USER->activitycopycourse);
 274     unset($USER->activitycopyname);
 275     unset($USER->activitycopysectionreturn);
 276     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 277 } else {
 278     print_error('unknowaction');
 279 }