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         $strparams = (object)array('type' => $fullmodulename, 'name' => $cm->name);
 110         $strdeletechecktypename = get_string('deletechecktypename', '', $strparams);
 111
 112         $PAGE->set_pagetype('mod-' . $cm->modname . '-delete');
 113         $PAGE->set_title($strdeletecheck);
 114         $PAGE->set_heading($course->fullname);
 115         $PAGE->navbar->add($strdeletecheck);
 116
 117         echo $OUTPUT->header();
 118         echo $OUTPUT->box_start('noticebox');
 119         $formcontinue = new single_button(new moodle_url("$CFG->wwwroot/course/mod.php", $optionsyes), get_string('yes'));
 120         $formcancel = new single_button($return, get_string('no'), 'get');
 121         echo $OUTPUT->confirm($strdeletechecktypename, $formcontinue, $formcancel);
 122         echo $OUTPUT->box_end();
 123         echo $OUTPUT->footer();
 124
 125         exit;
 126     }
 127
 128     // Delete the module.
 129     course_delete_module($cm->id);
 130
 131     redirect($return);
 132 }
 133
 134
 135 if ((!empty($movetosection) or !empty($moveto)) and confirm_sesskey()) {
 136     $cm     = get_coursemodule_from_id('', $USER->activitycopy, 0, true, MUST_EXIST);
 137     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 138
 139     require_login($course, false, $cm);
 140     $coursecontext = context_course::instance($course->id);
 141     $modcontext = context_module::instance($cm->id);
 142     require_capability('moodle/course:manageactivities', $modcontext);
 143
 144     if (!empty($movetosection)) {
 145         if (!$section = $DB->get_record('course_sections', array('id'=>$movetosection, 'course'=>$cm->course))) {
 146             print_error('sectionnotexist');
 147         }
 148         $beforecm = NULL;
 149
 150     } else {                      // normal moveto
 151         if (!$beforecm = get_coursemodule_from_id('', $moveto, $cm->course, true)) {
 152             print_error('invalidcoursemodule');
 153         }
 154         if (!$section = $DB->get_record('course_sections', array('id'=>$beforecm->section, 'course'=>$cm->course))) {
 155             print_error('sectionnotexist');
 156         }
 157     }
 158
 159     if (!ismoving($section->course)) {
 160         print_error('needcopy', '', "view.php?id=$section->course");
 161     }
 162
 163     moveto_module($cm, $section, $beforecm);
 164
 165     $sectionreturn = $USER->activitycopysectionreturn;
 166     unset($USER->activitycopy);
 167     unset($USER->activitycopycourse);
 168     unset($USER->activitycopyname);
 169     unset($USER->activitycopysectionreturn);
 170
 171     redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn)));
 172
 173 } else if (!empty($indent) and confirm_sesskey()) {
 174     $id = required_param('id', PARAM_INT);
 175
 176     $cm     = get_coursemodule_from_id('', $id, 0, true, MUST_EXIST);
 177     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 178
 179     require_login($course, false, $cm);
 180     $coursecontext = context_course::instance($course->id);
 181     $modcontext = context_module::instance($cm->id);
 182     require_capability('moodle/course:manageactivities', $modcontext);
 183
 184     $cm->indent += $indent;
 185
 186     if ($cm->indent < 0) {
 187         $cm->indent = 0;
 188     }
 189
 190     $DB->set_field('course_modules', 'indent', $cm->indent, array('id'=>$cm->id));
 191
 192     rebuild_course_cache($cm->course);
 193
 194     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 195
 196 } else if (!empty($hide) and confirm_sesskey()) {
 197     $cm     = get_coursemodule_from_id('', $hide, 0, true, MUST_EXIST);
 198     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 199
 200     require_login($course, false, $cm);
 201     $coursecontext = context_course::instance($course->id);
 202     $modcontext = context_module::instance($cm->id);
 203     require_capability('moodle/course:activityvisibility', $modcontext);
 204
 205     set_coursemodule_visible($cm->id, 0);
 206     \core\event\course_module_updated::create_from_cm($cm, $modcontext)->trigger();
 207     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 208
 209 } else if (!empty($show) and confirm_sesskey()) {
 210     $cm     = get_coursemodule_from_id('', $show, 0, true, MUST_EXIST);
 211     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 212
 213     require_login($course, false, $cm);
 214     $coursecontext = context_course::instance($course->id);
 215     $modcontext = context_module::instance($cm->id);
 216     require_capability('moodle/course:activityvisibility', $modcontext);
 217
 218     $section = $DB->get_record('course_sections', array('id'=>$cm->section), '*', MUST_EXIST);
 219
 220     $module = $DB->get_record('modules', array('id'=>$cm->module), '*', MUST_EXIST);
 221
 222     if ($module->visible and ($section->visible or (SITEID == $cm->course))) {
 223         set_coursemodule_visible($cm->id, 1);
 224         \core\event\course_module_updated::create_from_cm($cm, $modcontext)->trigger();
 225     }
 226
 227     redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn)));
 228
 229 } else if ($groupmode > -1 and confirm_sesskey()) {
 230     $id = required_param('id', PARAM_INT);
 231
 232     $cm     = get_coursemodule_from_id('', $id, 0, true, MUST_EXIST);
 233     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 234
 235     require_login($course, false, $cm);
 236     $coursecontext = context_course::instance($course->id);
 237     $modcontext = context_module::instance($cm->id);
 238     require_capability('moodle/course:manageactivities', $modcontext);
 239
 240     set_coursemodule_groupmode($cm->id, $groupmode);
 241     \core\event\course_module_updated::create_from_cm($cm, $modcontext)->trigger();
 242     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 243
 244 } else if (!empty($copy) and confirm_sesskey()) { // value = course module
 245     $cm     = get_coursemodule_from_id('', $copy, 0, true, MUST_EXIST);
 246     $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
 247
 248     require_login($course, false, $cm);
 249     $coursecontext = context_course::instance($course->id);
 250     $modcontext = context_module::instance($cm->id);
 251     require_capability('moodle/course:manageactivities', $modcontext);
 252
 253     $section = $DB->get_record('course_sections', array('id'=>$cm->section), '*', MUST_EXIST);
 254
 255     $USER->activitycopy              = $copy;
 256     $USER->activitycopycourse        = $cm->course;
 257     $USER->activitycopyname          = $cm->name;
 258     $USER->activitycopysectionreturn = $sectionreturn;
 259
 260     redirect(course_get_url($course, $section->section, array('sr' => $sectionreturn)));
 261
 262 } else if (!empty($cancelcopy) and confirm_sesskey()) { // value = course module
 263
 264     $courseid = $USER->activitycopycourse;
 265     $course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
 266
 267     $cm     = get_coursemodule_from_id('', $USER->activitycopy, 0, true, IGNORE_MISSING);
 268     $sectionreturn = $USER->activitycopysectionreturn;
 269     unset($USER->activitycopy);
 270     unset($USER->activitycopycourse);
 271     unset($USER->activitycopyname);
 272     unset($USER->activitycopysectionreturn);
 273     redirect(course_get_url($course, $cm->sectionnum, array('sr' => $sectionreturn)));
 274 } else {
 275     print_error('unknowaction');
 276 }