post {
      formFields('albumId, 'fileName, 'file.as[Array[Byte]]) { (albumId, fileName, bytes) =>

        val cdnBaseUrl = config.getString("niniprint.cdn.url")

        def uploadPhoto(ext: String) = {
          val photoId = BSONObjectID.generate
          val photoPath = s"$albumId/${photoId.stringify}.$ext"
          val photo = Photo(fileName, photoPath)
          s3.upload(s"$photoPath", bytes)
          query(albums.addPhotoToAlbum(BSONObjectID(albumId), photo)) { lastError =>
              complete(200, s"$cdnBaseUrl/$photoPath")
          } { error =>
            reject(DatabaseRejection("Photo upload error", error.lastError))
          }
        }
        fileName.split('.').drop(1).map(_.toLowerCase).lastOption match {
          case Some("jpg") | Some("jpeg") => uploadPhoto("jpg")
          case Some("png") => uploadPhoto("png")
          case Some("gif") => uploadPhoto("gif")
          case ext => complete(400, "Image file not valid, only JPEG, PNG and GIF image formats are supported")
        }

      }
    }
  }