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def loadNumberOfItems(url: String): IO[Either[Exception, Int]] =
  Url(url)
  .toRight(InvalidUrl)
  .map(request(_))
  .traverse(_.map(_.getFieldOption("number").flatMap(_.as[Int]).toRight(InvalidJson)))
  .map(_.flatten)

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def loadNumberOfItems(url: String): Int = {
  val json: Json = request(url)
  json.getField("number").asInstanceOf[Int]
}

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sealed trait Exception
case object InvalidUrl extends Exception
case object InvalidJson extends Exception

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loadNumberOfItems("foo.bar") shouldBe a [Int]
// InvalidUrlException
loadNumberOfItems("http://google.com") shouldBe a [Int]
// InvalidPayloadException
loadNumberOfItems("http://actual.server.endpoint.com/number") shouldBe a [Int]
// ParsingException
loadNumberOfItems("http://actual.server.endpoint.com/number") shouldBe a [Int]
// ClassCastException

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import java.io.{ByteArrayOutputStream, ByteArrayInputStream}
import java.util.zip.{GZIPOutputStream, GZIPInputStream}

import scala.util.Try

object Gzip {

  def compress(input: Array[Byte]): Array[Byte] = {
    val bos = new ByteArrayOutputStream(input.length)
    val gzip = new GZIPOutputStream(bos)

bijancn

{"lastUpload":"2020-10-16T15:12:58.640Z","extensionVersion":"v3.4.3"}