ZIO learning - http client using sttp with retries / published by https://github.com/dacr/code-examples-manager #c7e3ac74-e42c-4138-b0ec-4122eb2a588d/4e67cefbe1cfabe646ee54d1a9a167870363aaff

zio-learning-sttp-client-basic-3.sc

// summary : ZIO learning - http client using sttp with retries
// keywords : scala, zio, learning, pure-functional, sttp, @testable
// publish : gist
// authors : David Crosson
// license : Apache NON-AI License Version 2.0 (https://raw.githubusercontent.com/non-ai-licenses/non-ai-licenses/main/NON-AI-APACHE2)
// id : c7e3ac74-e42c-4138-b0ec-4122eb2a588d
// created-on : 2021-04-04T17:33:20Z
// managed-by : https://github.com/dacr/code-examples-manager
// run-with : scala-cli $file

// ---------------------
//> using scala "3.4.2"
//> using dep "dev.zio::zio:2.0.13"
//> using dep "fr.janalyse::zio-worksheet:2.0.13.0"
//> using dep "com.softwaremill.sttp.client4::zio:4.0.0-M5"
// ---------------------

import zio.*, zio.worksheet.*
import sttp.client4.*, sttp.client4.basicRequest.*
import sttp.client4.httpclient.zio.HttpClientZioBackend

object App extends ZIOAppDefault {
  val contentLogic = for {
      backend <- HttpClientZioBackend.scoped()
      request  = basicRequest.get(uri"https://mapland.fr/ip")
      result  <- backend.send(request)
      content <- ZIO.from(result.body)
    } yield content

  val program        = contentLogic.timeoutFail(new Exception("timeout"))(5000.millis)
  val programRetried = program.retry(Schedule.exponential(1.second) && Schedule.recurs(3))

  override def run =
    programRetried
      .tap(result => Console.printLine(result))
      .provide(Scope.default)
}

App.main(Array.empty)