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)) {
  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     $coursecontext = context_course::instance($course->id);
  87     $modcontext = context_module::instance($cm->id);
  88     require_capability('moodle/course:manageactivities', $coursecontext);
  89
  90     if (!$confirm or !confirm_sesskey()) {
  91         $PAGE->set_title(get_string('duplicate'));
  92         $PAGE->set_heading($course->fullname);
  93         $PAGE->navbar->add(get_string('duplicatinga', 'core', format_string($cm->name)));
  94         $PAGE->set_pagelayout('incourse');
  95
  96         $a = new stdClass();
  97         $a->modtype = get_string('modulename', $cm->modname);
  98         $a->modname = format_string($cm->name);
  99         $a->modid   = $cm->id;
 100
 101         echo $OUTPUT->header();
 102         echo $OUTPUT->confirm(
 103             get_string('duplicateconfirm', 'core', $a),
 104             new single_button(
 105                 new moodle_url('/course/modduplicate.php', array(
 106                     'cmid' => $cm->id, 'course' => $course->id, 'sr' => $sectionreturn)),
 107                 get_string('continue'),
 108                 'post'),
 109             new single_button(
 110                 course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)),
 111                 get_string('cancel'),
 112                 'get')
 113         );
 114         echo $OUTPUT->footer();
 115         die();
 116     }
 117
 118 } else if (!empty($delete)) {
 119     $cm     = get_coursemodule_from_id('', $delete, 0, true, MUST_EXIST);
 120     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 121
 122     require_login($course, false, $cm);
 123     $modcontext = context_module::instance($cm->id);
 124     require_capability('moodle/course:manageactivities', $modcontext);
 125
 126     $return = course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn));
 127
 128     if (!$confirm or !confirm_sesskey()) {
 129         $fullmodulename = get_string('modulename', $cm->modname);
 130
 131         $optionsyes = array('confirm'=>1, 'delete'=>$cm->id, 'sesskey'=>sesskey(), 'sr' => $sectionreturn);
 132
 133         $strdeletecheck = get_string('deletecheck', '', $fullmodulename);
 134         $strdeletecheckfull = get_string('deletecheckfull', '', "$fullmodulename '$cm->name'");
 135
 136         $PAGE->set_pagetype('mod-' . $cm->modname . '-delete');
 137         $PAGE->set_title($strdeletecheck);
 138         $PAGE->set_heading($course->fullname);
 139         $PAGE->navbar->add($strdeletecheck);
 140
 141         echo $OUTPUT->header();
 142         echo $OUTPUT->box_start('noticebox');
 143         $formcontinue = new single_button(new moodle_url("$CFG->wwwroot/course/mod.php", $optionsyes), get_string('yes'));
 144         $formcancel = new single_button($return, get_string('no'), 'get');
 145         echo $OUTPUT->confirm($strdeletecheckfull, $formcontinue, $formcancel);
 146         echo $OUTPUT->box_end();
 147         echo $OUTPUT->footer();
 148
 149         exit;
 150     }
 151
 152     // Delete the module.
 153     course_delete_module($cm->id);
 154
 155     redirect($return);
 156 }
 157
 158
 159 if ((!empty($movetosection) or !empty($moveto)) and confirm_sesskey()) {
 160     $cm     = get_coursemodule_from_id('', $USER->activitycopy, 0, true, MUST_EXIST);
 161     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 162
 163     require_login($course, false, $cm);
 164     $coursecontext = context_course::instance($course->id);
 165     $modcontext = context_module::instance($cm->id);
 166     require_capability('moodle/course:manageactivities', $modcontext);
 167
 168     if (!empty($movetosection)) {
 169         if (!$section = $DB->get_record('course_sections', array('id'=>$movetosection, 'course'=>$cm->course))) {
 170             print_error('sectionnotexist');
 171         }
 172         $beforecm = NULL;
 173
 174     } else {                      // normal moveto
 175         if (!$beforecm = get_coursemodule_from_id('', $moveto, $cm->course, true)) {
 176             print_error('invalidcoursemodule');
 177         }
 178         if (!$section = $DB->get_record('course_sections', array('id'=>$beforecm->section, 'course'=>$cm->course))) {
 179             print_error('sectionnotexist');
 180         }
 181     }
 182
 183     if (!ismoving($section->course)) {
 184         print_error('needcopy', '', "view.php?id=$section->course");
 185     }
 186
 187     moveto_module($cm, $section, $beforecm);
 188
 189     $sectionreturn = $USER->activitycopysectionreturn;
 190     unset($USER->activitycopy);
 191     unset($USER->activitycopycourse);
 192     unset($USER->activitycopyname);
 193     unset($USER->activitycopysectionreturn);
 194
 195     redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn)));
 196
 197 } else if (!empty($indent) and confirm_sesskey()) {
 198     $id = required_param('id', PARAM_INT);
 199
 200     $cm     = get_coursemodule_from_id('', $id, 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:manageactivities', $modcontext);
 207
 208     $cm->indent += $indent;
 209
 210     if ($cm->indent < 0) {
 211         $cm->indent = 0;
 212     }
 213
 214     $DB->set_field('course_modules', 'indent', $cm->indent, array('id'=>$cm->id));
 215
 216     rebuild_course_cache($cm->course);
 217
 218     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 219
 220 } else if (!empty($hide) and confirm_sesskey()) {
 221     $cm     = get_coursemodule_from_id('', $hide, 0, true, MUST_EXIST);
 222     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 223
 224     require_login($course, false, $cm);
 225     $coursecontext = context_course::instance($course->id);
 226     $modcontext = context_module::instance($cm->id);
 227     require_capability('moodle/course:activityvisibility', $modcontext);
 228
 229     set_coursemodule_visible($cm->id, 0);
 230
 231     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 232
 233 } else if (!empty($show) and confirm_sesskey()) {
 234     $cm     = get_coursemodule_from_id('', $show, 0, true, MUST_EXIST);
 235     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 236
 237     require_login($course, false, $cm);
 238     $coursecontext = context_course::instance($course->id);
 239     $modcontext = context_module::instance($cm->id);
 240     require_capability('moodle/course:activityvisibility', $modcontext);
 241
 242     $section = $DB->get_record('course_sections', array('id'=>$cm->section), '*', MUST_EXIST);
 243
 244     $module = $DB->get_record('modules', array('id'=>$cm->module), '*', MUST_EXIST);
 245
 246     if ($module->visible and ($section->visible or (SITEID == $cm->course))) {
 247         set_coursemodule_visible($cm->id, 1);
 248     }
 249
 250     redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn)));
 251
 252 } else if ($groupmode > -1 and confirm_sesskey()) {
 253     $id = required_param('id', PARAM_INT);
 254
 255     $cm     = get_coursemodule_from_id('', $id, 0, true, MUST_EXIST);
 256     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 257
 258     require_login($course, false, $cm);
 259     $coursecontext = context_course::instance($course->id);
 260     $modcontext = context_module::instance($cm->id);
 261     require_capability('moodle/course:manageactivities', $modcontext);
 262
 263     set_coursemodule_groupmode($cm->id, $groupmode);
 264
 265     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 266
 267 } else if (!empty($copy) and confirm_sesskey()) { // value = course module
 268     $cm     = get_coursemodule_from_id('', $copy, 0, true, MUST_EXIST);
 269     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 270
 271     require_login($course, false, $cm);
 272     $coursecontext = context_course::instance($course->id);
 273     $modcontext = context_module::instance($cm->id);
 274     require_capability('moodle/course:manageactivities', $modcontext);
 275
 276     $section = $DB->get_record('course_sections', array('id'=>$cm->section), '*', MUST_EXIST);
 277
 278     $USER->activitycopy              = $copy;
 279     $USER->activitycopycourse        = $cm->course;
 280     $USER->activitycopyname          = $cm->name;
 281     $USER->activitycopysectionreturn = $sectionreturn;
 282
 283     redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn)));
 284
 285 } else if (!empty($cancelcopy) and confirm_sesskey()) { // value = course module
 286
 287     $courseid = $USER->activitycopycourse;
 288     $course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
 289
 290     $cm     = get_coursemodule_from_id('', $USER->activitycopy, 0, true, IGNORE_MISSING);
 291     $sectionreturn = $USER->activitycopysectionreturn;
 292     unset($USER->activitycopy);
 293     unset($USER->activitycopycourse);
 294     unset($USER->activitycopyname);
 295     unset($USER->activitycopysectionreturn);
 296     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 297 } else {
 298     print_error('unknowaction');
 299 }
 300
 301