public static function uploadIcon($image, $app_id)
{
$im = new Imagick();
$im->readImageBlob($image);
$im->scaleImage(144, 144);
$im->setFormat('png');
$key = static::ICON_DIR . "{$app_id}/" . Random::string(16) . '.png';
S3::uploadData($key, $im, 'image/png', 'public-read');
return $key;
}
