contentbank/edit.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Create or update contents through the specific content type editor
  19  *
  20  * @package    core_contentbank
  21  * @copyright  2020 Victor Deniz <victor@moodle.com>
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require('../config.php');
  26
  27 require_login();
  28
  29 $contextid = required_param('contextid', PARAM_INT);
  30 $pluginname = required_param('plugin', PARAM_PLUGIN);
  31 $id = optional_param('id', null, PARAM_INT);
  32 $library = optional_param('library', null, PARAM_RAW);
  33
  34 $context = context::instance_by_id($contextid, MUST_EXIST);
  35
  36 $cb = new \core_contentbank\contentbank();
  37 if (!$cb->is_context_allowed($context)) {
  38     throw new \moodle_exception('contextnotallowed', 'core_contentbank');
  39 }
  40
  41 require_capability('moodle/contentbank:access', $context);
  42
  43 $returnurl = new \moodle_url('/contentbank/view.php', ['id' => $id]);
  44
  45 if (!empty($id)) {
  46     $record = $DB->get_record('contentbank_content', ['id' => $id], '*', MUST_EXIST);
  47     $contentclass = "$record->contenttype\\content";
  48     $content = new $contentclass($record);
  49     // Set the heading title.
  50     $heading = $content->get_name();
  51     // The content type of the content overwrites the pluginname param value.
  52     $contenttypename = $content->get_content_type();
  53     $breadcrumbtitle = get_string('edit');
  54 } else {
  55     $contenttypename = "contenttype_$pluginname";
  56     $heading = get_string('addinganew', 'moodle', get_string('description', $contenttypename));
  57     $content = null;
  58     $breadcrumbtitle = get_string('add');
  59 }
  60
  61 // Check plugin is enabled.
  62 $plugin = core_plugin_manager::instance()->get_plugin_info($contenttypename);
  63 if (!$plugin || !$plugin->is_enabled()) {
  64     throw new \moodle_exception('unsupported', 'core_contentbank', $returnurl);
  65 }
  66
  67 // Create content type instance.
  68 $contenttypeclass = "$contenttypename\\contenttype";
  69 if (class_exists($contenttypeclass)) {
  70     $contenttype = new $contenttypeclass($context);
  71 } else {
  72     throw new \moodle_exception('unsupported', 'core_contentbank', $returnurl);
  73 }
  74
  75 // Checks the user can edit this content and content type.
  76 if (!$contenttype->can_edit($content)) {
  77     throw new \moodle_exception('contenttypenoedit', 'core_contentbank', $returnurl);
  78 }
  79
  80 $values = [
  81     'contextid' => $contextid,
  82     'plugin' => $pluginname,
  83     'id' => $id,
  84     'heading' => $heading,
  85     'library' => $library
  86 ];
  87
  88 $title = get_string('contentbank');
  89 \core_contentbank\helper::get_page_ready($context, $title, true);
  90 if ($PAGE->course) {
  91     require_login($PAGE->course->id);
  92 }
  93
  94 if ($context->contextlevel == CONTEXT_COURSECAT) {
  95     $PAGE->set_primary_active_tab('home');
  96 }
  97
  98 $PAGE->set_url(new \moodle_url('/contentbank/edit.php', $values));
  99 if ($context->id == \context_system::instance()->id) {
 100     $PAGE->set_context(context_course::instance($context->id));
 101 } else {
 102     $PAGE->set_context($context);
 103 }
 104 if ($content) {
 105     $PAGE->navbar->add($content->get_name(), new \moodle_url('/contentbank/view.php', ['id' => $id]));
 106 }
 107 $PAGE->navbar->add($breadcrumbtitle);
 108 $PAGE->set_title($title);
 109 $PAGE->set_pagelayout('incourse');
 110 $PAGE->set_secondary_active_tab('contentbank');
 111
 112 // Instantiate the content type form.
 113 $editorclass = "$contenttypename\\form\\editor";
 114 if (!class_exists($editorclass)) {
 115     throw new \moodle_exception('noformdesc');
 116 }
 117
 118 $editorform = new $editorclass(null, $values);
 119
 120 if ($editorform->is_cancelled()) {
 121     if (empty($id)) {
 122         $returnurl = new \moodle_url('/contentbank/index.php', ['contextid' => $context->id]);
 123     }
 124     redirect($returnurl);
 125 } else if ($data = $editorform->get_data()) {
 126     if (empty($id)) {
 127         $msg = get_string('contentcreated', 'contentbank');
 128     } else {
 129         $msg = get_string('contentupdated', 'contentbank');
 130     }
 131     $id = $editorform->save_content($data);
 132     // Just in case we've created a new content.
 133     $returnurl->param('id', $id);
 134     redirect($returnurl, $msg, null, \core\output\notification::NOTIFY_SUCCESS);
 135 }
 136
 137 echo $OUTPUT->header();
 138 $editorform->display();
 139 echo $OUTPUT->footer();