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_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 }