in app/infra/datasource/ImageStorage.scala [16:22]
def download(url: String, filePath: String) = {
val stream = new URL(url).openStream
val buf = Stream.continually(stream.read).takeWhile(-1 !=).map(_.byteValue).toArray
val bw = new BufferedOutputStream(new FileOutputStream(filePath))
bw.write(buf)
bw.close
}