/**
* @return Option
*/
public function getLanguage()
{
if (filter_input(INPUT_SERVER, 'HTTP_ACCEPT_LANGUAGE')) {
return Option::Some(substr(filter_input(INPUT_SERVER, 'HTTP_ACCEPT_LANGUAGE'), 0, 2));
}
return Option::None();
}
/**
* @param string $section
* @param string $key
* @return Option
*/
public function find($section, $key)
{
if (isset($this->_settings[$section][$key])) {
return Option::Some($this->_settings[$section][$key]);
}
return Option::None();
}
/**
* @param $args
* @return Option
*/
public static function ifInstance(...$args)
{
if (self::hasInstance(...$args)) {
return Option::Some(self::getInstance(...$args));
} else {
return Option::None();
}
}
/**
* @return Option
*/
public function findAny()
{
if (count(array_keys($_FILES)) == 0) {
return Option::None();
} else {
$key = array_keys($_FILES)[0];
return Option::Some($_FILES[$key]);
}
}
/**
* @param $key
* @return Option
*/
public static function getMy($key)
{
$hash = self::hash($key);
if (self::$redis->exists(self::myPrefix() . ":" . $hash)) {
return Option::Some(unserialize(self::$redis->get(self::myPrefix() . ":" . $hash)));
} else {
return Option::None();
}
}
/**
* @param string $artist
* @param string $album
* @return Option
*/
public function getAlbumCover($artist, $album)
{
$data = self::exec(self::API_URL, array("format" => "json", "method" => "album.getinfo", "api_key" => self::API_KEY, "artist" => $artist, "album" => $album));
if (isset($data["album"]["image"])) {
$images = $data["album"]["image"];
$image_url = $images[count($images) - 1]["#text"];
return Option::Some($image_url);
} else {
return Option::None();
}
}
/**
* @param $keys
* @return Option
*/
public function get(...$keys)
{
$handle =& $_SESSION;
foreach ($keys as $key) {
if (isset($handle[$key])) {
$handle =& $handle[$key];
} else {
return Option::None();
}
}
return Option::Some($handle);
}
/**
* Reads audio file metadata and returns Metadata object.
*
* @param string $filename
* @param string $original_filename
* @return Some
*/
public static function read($filename, $original_filename = null)
{
$escaped_filename = escapeshellarg($filename);
$file_format = strtolower(pathinfo($original_filename, PATHINFO_EXTENSION));
$command = sprintf(self::$settings->get("command_templates", "read_metadata"), self::$settings->get("tools", "ffprobe_cmd"), $escaped_filename);
exec($command, $result, $status);
if ($status != 0) {
return Option::None();
}
/**
* @var Option[] $metadata
* @var Option[] $o_format
* @var Option[] $o_tags
*/
$metadata = Option::Some(json_decode(implode("", $result), true));
$o_format = $metadata["format"];
$o_tags = $o_format["tags"];
$object = new Metadata();
$object->format_name = $file_format;
$object->filename = $o_format["filename"]->get();
$object->duration = $o_format["duration"]->map(function ($value) {
return intval($value * 1000);
})->get();
$object->size = $o_format["size"]->toInt()->get();
$object->bitrate = $o_format["bit_rate"]->toInt()->get();
$object->meta_artist = $o_tags["artist"]->orEmpty();
$object->meta_title = $o_tags["title"]->orEmpty();
$object->meta_genre = $o_tags["genre"]->orEmpty();
$object->meta_date = $o_tags["date"]->orEmpty();
$object->meta_album = $o_tags["album"]->orEmpty();
$object->meta_track_number = $o_tags["track"]->toInt()->orNull();
$object->meta_disc_number = $o_tags["disc"]->toInt()->orNull();
$object->meta_album_artist = $o_tags["album_artist"]->orEmpty();
$object->is_compilation = $o_tags["compilation"]->map("bool")->getOrElse("false");
$object->meta_comment = $o_tags["comment"]->orEmpty();
return Option::Some($object);
}
/**
* @param string $key
* @return Option
*/
public function get($key)
{
return $this->isDefined($key) ? Option::Some($this->getValue($key)) : Option::None();
}
/**
* @param $arg
* @return Option
*/
function part_audio_type($arg)
{
$formats = array("mp3" => "audio/mp3", "ogg" => "audio/ogg", "flac" => "audio/flac", "m4a" => "audio/aac", "aac" => "audio/aac", "ape" => "audio/ape", "wma" => "audio/x-ms-wma", "wav" => "audio/x-wav");
return isset($formats[$arg]) ? Option::Some($formats[$arg]) : Option::None();
}
public function findHardRoute()
{
if (class_exists($this->route->getRouteClass())) {
return Option::Some(array("action" => $this->route->getRouteClass(), "args" => array()));
}
return Option::None();
}
/**
* @param string $query
* @param array $params
* @param string $class
* @param array|null $ctr_args
* @throws ApplicationException
* @return Option
*/
public function fetchOneObject($query, array $params = null, $class, array $ctr_args = [])
{
$resource = $this->createResource($query, $params);
$object = $resource->fetchObject($class, $ctr_args);
return Option::Some($object)->reject(false);
}
/**
* @param $callback
* @return Option
*/
public function firstMatching($callback)
{
foreach ($this->array as $item) {
if ($callback($item)) {
return Option::Some($item);
}
}
return Option::None();
}
