public function execute()
{
global $USER;
// Check to make sure external communications hasn't been disabled
$extcom = !!get_config('mod_hvp', 'external_communication');
$extcomnotify = !!get_config('mod_hvp', 'external_communication_notify');
if ($extcom || !$extcomnotify) {
$core = \mod_hvp\framework::instance();
$core->fetchLibrariesMetadata(!$extcom);
set_config('external_communication_notify', $extcom ? false : time(), 'mod_hvp');
// Notify admin if there are updates available!
$update_available = \get_config('mod_hvp', 'update_available');
$current_update = \get_config('mod_hvp', 'current_update');
$admin_notified = \get_config('mod_hvp', 'admin_notified');
if ($admin_notified !== $update_available && $update_available !== false && $current_update !== false && $current_update < $update_available) {
// New update is available
// Send message
$updatesurl = new \moodle_url('/mod/hvp/library_list.php');
$message = new \stdClass();
$message->component = 'mod_hvp';
$message->name = 'updates';
$message->userfrom = $USER;
$message->userto = get_admin();
$message->subject = get_string('updatesavailabletitle', 'mod_hvp');
$message->fullmessage = get_string('updatesavailablemsgpt1', 'mod_hvp') . ' ' . get_string('updatesavailablemsgpt2', 'mod_hvp') . "\n\n" . get_string('updatesavailablemsgpt3', 'mod_hvp', date('Y-m-d', $update_available)) . "\n" . get_string('updatesavailablemsgpt4', 'mod_hvp', date('Y-m-d', $current_update)) . "\n\n" . $updatesurl;
$message->fullmessageformat = FORMAT_PLAIN;
$message->fullmessagehtml = '<p>' . get_string('updatesavailablemsgpt1', 'mod_hvp') . '<br/>' . get_string('updatesavailablemsgpt2', 'mod_hvp') . '</p>' . '<p>' . get_string('updatesavailablemsgpt3', 'mod_hvp', '<b>' . date('Y-m-d', $update_available) . '</b>') . '<br/>' . get_string('updatesavailablemsgpt4', 'mod_hvp', '<b>' . date('Y-m-d', $current_update) . '</b>') . '</p>' . '<a href="' . $updatesurl . '" target="_blank">' . $updatesurl . '</a>';
$message->smallmessage = '';
$message->notification = 1;
message_send($message);
// Keep track of which version we've notfied about
\set_config('admin_notified', $update_available, 'mod_hvp');
}
}
}
/**
* Validate incoming data
*
* @param array $data array of ("fieldname"=>value) of submitted data
* @param array $files array of uploaded files "element_name"=>tmp_file_path
* @return array of "element_name"=>"error_description" if there are errors,
* or an empty array if everything is OK (true allowed for backwards compatibility too).
*/
function validation($data, $files)
{
global $CFG;
require_once $CFG->libdir . '/filelib.php';
$errors = array();
$error = \mod_hvp\framework::downloadH5pLibraries(true);
if ($error !== null) {
$errors['h5pintromsg'] = $error;
}
return $errors;
}
function xmldb_hvp_install()
{
// Try to install all the default content types
require_once __DIR__ . '/../autoloader.php';
// Override permission check for the install process, since caps hasn't
// been set yet.
$interface = \mod_hvp\framework::instance('interface');
$interface->mayUpdateLibraries(true);
// Fetch info about library updates
$core = \mod_hvp\framework::instance('core');
$core->fetchLibrariesMetadata();
// Download default libraries and try to install
$error = \mod_hvp\framework::downloadH5pLibraries();
if ($error !== null) {
\mod_hvp\framework::messages('error', $error);
}
// Print any messages
echo '<h3>' . get_string('welcomeheader', 'hvp') . '</h3>' . '<p>' . get_string('welcomegettingstarted', 'hvp', array('moodle_tutorial' => 'href="https://h5p.org/moodle" target="_blank"', 'example_content' => 'href="https://h5p.org/content-types-and-applications" target="_blank"')) . '</p>' . '<p>' . get_string('welcomecommunity', 'hvp', array('forums' => 'href="https://h5p.org/forum" target="_blank"', 'gitter' => 'href="https://gitter.im/h5p/CommunityChat" target="_blank"')) . '</p>' . '<p>' . get_string('welcomecontactus', 'hvp', 'href="https://h5p.org/contact" target="_blank"') . '</p>';
\mod_hvp\framework::printMessages('info', \mod_hvp\framework::messages('info'));
\mod_hvp\framework::printMessages('error', \mod_hvp\framework::messages('error'));
}
/**
* Make it easy to download and install H5P libraries.
*
* @param boolean $onlyupdate Prevent install of new libraries
* @return string|null Error or null if everything's OK.
*/
public static function downloadH5pLibraries($onlyupdate = false)
{
global $CFG;
$update_available = \get_config('mod_hvp', 'update_available');
$current_update = \get_config('mod_hvp', 'current_update');
if ($update_available === $current_update) {
// Prevent re-submission of forms/action
return null;
}
// URL for file to download
$download_url = \get_config('mod_hvp', 'update_available_path');
if (!$download_url) {
return get_string('missingh5purl', 'hvp');
}
// Generate local tmp file path
$local_folder = $CFG->tempdir . uniqid('/hvp-');
$local_file = $local_folder . '.h5p';
if (!\download_file_content($download_url, null, null, false, 300, 20, false, $local_file)) {
return get_string('unabletodownloadh5p', 'hvp');
}
// Add folder and file paths to H5P Core
$interface = \mod_hvp\framework::instance('interface');
$interface->getUploadedH5pFolderPath($local_folder);
$interface->getUploadedH5pPath($local_file);
// Validate package
$h5pValidator = \mod_hvp\framework::instance('validator');
if (!$h5pValidator->isValidPackage(true, $onlyupdate)) {
@unlink($local_file);
$messages = \mod_hvp\framework::messages('error');
return implode('<br/>', $messages);
}
// Install H5P file into Moodle
$storage = \mod_hvp\framework::instance('storage');
$storage->savePackage(null, null, true);
\set_config('current_update', $update_available, 'mod_hvp');
return null;
}
/**
* Removes an instance of the hvp from the database
*
* Given an ID of an instance of this module,
* this function will permanently delete the instance
* and any data that depends on it.
*
* @param int $id Id of the module instance
* @return boolean Success/Failure
*/
function hvp_delete_instance($id)
{
global $DB;
// Load content record
if (!($hvp = $DB->get_record('hvp', array('id' => "{$id}")))) {
return false;
}
// Delete content
$h5pstorage = \mod_hvp\framework::instance('storage');
$h5pstorage->deletePackage(array('id' => $hvp->id, 'slug' => $hvp->slug));
// Get library details
$library = $DB->get_record_sql("SELECT machine_name AS name, major_version, minor_version\n FROM {hvp_libraries}\n WHERE id = ?", array($hvp->main_library_id));
// Log content delete
new \mod_hvp\event('content', 'delete', $hvp->id, $hvp->name, $library->name, $library->major_version . '.' . $library->minor_version);
return true;
}
$PAGE->requires->css(new moodle_url($CFG->httpswwwroot . $url));
}
} else {
// JavaScripts and stylesheets will be loaded through h5p.js.
$settings['contents'][$cid]['scripts'] = $core->getAssetsUrls($files['scripts']);
$settings['contents'][$cid]['styles'] = $core->getAssetsUrls($files['styles']);
}
// Print JavaScript settings to page.
$PAGE->requires->data_for_js('H5PIntegration', $settings, true);
// Print page HTML.
echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($content['title']));
echo '<div class="clearer"></div>';
// Print any messages.
\mod_hvp\framework::printMessages('info', \mod_hvp\framework::messages('info'));
\mod_hvp\framework::printMessages('error', \mod_hvp\framework::messages('error'));
// Print intro.
if (trim(strip_tags($content['intro']))) {
echo $OUTPUT->box_start('mod_introbox', 'hvpintro');
echo format_module_intro('hvp', (object) array('intro' => $content['intro'], 'introformat' => $content['introformat']), $cm->id);
echo $OUTPUT->box_end();
}
// Print H5P Content
if ($embedtype === 'div') {
echo '<div class="h5p-content" data-content-id="' . $content['id'] . '"></div>';
} else {
echo '<div class="h5p-iframe-wrapper"><iframe id="h5p-iframe-' . $content['id'] . '" class="h5p-iframe" data-content-id="' . $content['id'] . '" style="height:1px" src="about:blank" frameBorder="0" scrolling="no"></iframe></div>';
}
// Find cm context
$context = \context_module::instance($cm->id);
// Trigger module viewed event.
public function validation($data, $files)
{
global $CFG;
$errors = parent::validation($data, $files);
if ($data['h5paction'] === 'upload') {
// Validate uploaded H5P file
if (empty($data['h5pfile'])) {
// Field missing
$errors['h5pfile'] = get_string('required');
} else {
$files = $this->get_draft_files('h5pfile');
if (count($files) < 1) {
// No file uploaded
$errors['h5pfile'] = get_string('required');
} else {
// Prepare to validate package
$file = reset($files);
$interface = \mod_hvp\framework::instance('interface');
$path = $CFG->tempdir . uniqid('/hvp-');
$interface->getUploadedH5pFolderPath($path);
$path .= '.h5p';
$interface->getUploadedH5pPath($path);
$file->copy_content_to($path);
$h5pvalidator = \mod_hvp\framework::instance('validator');
if (!$h5pvalidator->isValidPackage()) {
// Errors while validating the package
$infomessages = implode('<br/>', \mod_hvp\framework::messages('info'));
$errormessages = implode('<br/>', \mod_hvp\framework::messages('error'));
$errors['h5pfile'] = ($errormessages ? $errormessages . '<br/>' : '') . $infomessages;
}
}
}
} else {
// Validate library and params used in editor
$core = \mod_hvp\framework::instance();
// Get library array from string
$library = H5PCore::libraryFromString($data['h5plibrary']);
if (!$library) {
$errors['h5peditor'] = get_string('invalidlibrary', 'hvp');
} else {
// Check that library exists
$library['libraryId'] = $core->h5pF->getLibraryId($library['machineName'], $library['majorVersion'], $library['minorVersion']);
if (!$library['libraryId']) {
$errors['h5peditor'] = get_string('nosuchlibrary', 'hvp');
} else {
$data['h5plibrary'] = $library;
// Verify that parameters are valid
if (empty($data['h5pparams'])) {
$errors['h5peditor'] = get_string('noparameters', 'hvp');
} else {
$params = json_decode($data['h5pparams']);
if ($params === NULL) {
$errors['h5peditor'] = get_string('invalidparameters', 'hvp');
} else {
$data['h5pparams'] = $params;
}
}
}
}
}
return $errors;
}
if (!\H5PCore::validToken('editorajax', required_param('token', PARAM_RAW))) {
\H5PCore::ajaxError(get_string('invalidtoken', 'hvp'));
exit;
}
// Get Content ID and Context ID for upload
$contentid = required_param('contentId', PARAM_INT);
$contextid = required_param('contextId', PARAM_INT);
// Create file
$file = new H5peditorFile(\mod_hvp\framework::instance('interface'));
if (!$file->isLoaded()) {
H5PCore::ajaxError(get_string('filenotfound', 'hvp'));
break;
}
// Make sure file is valid
if ($file->validate()) {
$core = \mod_hvp\framework::instance('core');
// Save the valid file
$file_id = $core->fs->saveFile($file, $contentid, $contextid);
// Track temporary files for later cleanup
$DB->insert_record_raw('hvp_tmpfiles', array('id' => $file_id), false, false, true);
}
$file->printResult();
break;
/*
* Throw error if AJAX isnt handeled
*/
/*
* Throw error if AJAX isnt handeled
*/
default:
throw new coding_exception('Unhandled AJAX');
/**
* Gets the information needed when content is upgraded
*
* @method hvp_get_library_upgrade_info
* @param string $name
* @param int $major
* @param int $minor
* @return object Library metadata including name, version, semantics and path
* to upgrade script
*/
function hvp_get_library_upgrade_info($name, $major, $minor)
{
global $CFG;
$library = (object) array('name' => $name, 'version' => (object) array('major' => $major, 'minor' => $minor));
$core = \mod_hvp\framework::instance();
$library->semantics = $core->loadLibrarySemantics($library->name, $library->version->major, $library->version->minor);
if ($library->semantics === null) {
http_response_code(404);
return;
}
$context = \context_system::instance();
$libraryfoldername = "{$library->name}-{$library->version->major}.{$library->version->minor}";
if (\mod_hvp\file_storage::fileExists($context->id, 'libraries', '/' . $libraryfoldername . '/', 'upgrades.js')) {
$basepath = $CFG->httpswwwroot . '/';
$library->upgradesScript = "{$basepath}pluginfile.php/{$context->id}/mod_hvp/libraries/{$libraryfoldername}/upgrades.js";
}
return $library;
}
/**
* Validate incoming data
*
* @param array $data array of ("fieldname"=>value) of submitted data
* @param array $files array of uploaded files "element_name"=>tmp_file_path
* @return array of "element_name"=>"error_description" if there are errors,
* or an empty array if everything is OK (true allowed for backwards compatibility too).
*/
function validation($data, $files)
{
global $CFG;
$errors = array();
// Check for file
if (empty($data['h5pfile'])) {
$errors['h5pfile'] = get_string('required');
return $errors;
}
$files = $this->get_draft_files('h5pfile');
if (count($files) < 1) {
$errors['h5pfile'] = get_string('required');
return $errors;
}
// Add file so that core framework can find it
$file = reset($files);
$interface = \mod_hvp\framework::instance('interface');
$path = $CFG->tempdir . uniqid('/hvp-');
$interface->getUploadedH5pFolderPath($path);
$path .= '.h5p';
$interface->getUploadedH5pPath($path);
$file->copy_content_to($path);
// Validate package
$h5pValidator = \mod_hvp\framework::instance('validator');
if (!$h5pValidator->isValidPackage(true, isset($data['onlyupdate']))) {
$infomessages = implode('<br/>', \mod_hvp\framework::messages('info'));
$errormessages = implode('<br/>', \mod_hvp\framework::messages('error'));
$errors['h5pfile'] = ($errormessages ? $errormessages . '<br/>' : '') . $infomessages;
}
return $errors;
}
