[WIP] zio-http support

.github/labeler.yml

@@ -38,6 +38,11 @@ scala-http4s:
 - modules/scala-http4s/src/main/**/*
 - project/src/main/scala/modules/scalaHttp4s.scala
 
+scala-zio-http:
+- modules/scala-zio-http/*
+- modules/scala-zio-http/**/*
+- project/src/main/scala/modules/scalaZioHttp.scala
+
 scala-support:
 - modules/scala-support/src/main/*
 - modules/scala-support/src/main/**/*

.github/release-drafter-scala-zio-http.yml

@@ -0,0 +1,7 @@
+_extends: guardrail:.github/release-drafter.yml
+name-template: 'scala-zio-http-v$RESOLVED_VERSION'
+tag-template: 'scala-zio-http-v$RESOLVED_VERSION'
+tag-prefix: scala-zio-http-v
+include-paths:
+  - "modules/scala-zio-http/src/main/"
+  - "project/src/main/scala/modules/scalaZioHttp.scala"

.github/workflows/ci.yml

@@ -101,6 +101,7 @@ jobs:
             { framework: 'akka-http',         project: 'sample-akkaHttp'        },
             { framework: 'http4s',            project: 'sample-http4s'          },
             { framework: 'http4s-v0.22',      project: 'sample-http4s-v0_22'     },
+            { framework: 'zio-http',          project: 'sample-zio-http'        },
             { framework: 'akka-http-jackson', project: 'sample-akkaHttpJackson' },
             { framework: 'dropwizard',        project: 'sample-dropwizardScala' }
           ]

.github/workflows/release-drafter.yml

@@ -79,6 +79,15 @@ jobs:
           config-name: release-drafter-scala-http4s.yml
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  scala-zio-http:
+    name: '[scala-zio-http] Draft release'
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: blast-hardcheese/[email protected]
+        with:
+          config-name: release-drafter-scala-zio-http.yml
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   scala-support:
     name: '[scala-support] Draft release'
     runs-on: ubuntu-20.04

.github/workflows/release.yml

@@ -121,6 +121,15 @@ jobs:
           SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
           SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
           GUARDRAIL_RELEASE_MODULE: ${{ steps.set-project-from-tag.outputs.module }}
+      - name: 'Publish artifacts [scala-zio-http]'
+        if: ${{ steps.set-project-from-tag.outputs.module == 'scala-zio-http' }}
+        run: sbt 'show version' "project guardrail-scala-zio-http" clean compile versionCheck test ci-release
+        env:
+          PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
+          PGP_SECRET: ${{ secrets.PGP_SECRET }}
+          SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
+          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
+          GUARDRAIL_RELEASE_MODULE: ${{ steps.set-project-from-tag.outputs.module }}
       - name: 'Publish artifacts [scala-support]'
         if: ${{ steps.set-project-from-tag.outputs.module == 'scala-support' }}
         run: sbt 'show version' "project guardrail-scala-support" clean compile versionCheck test ci-release

.scalafmt.conf

@@ -17,6 +17,7 @@ project.includeFilters = [
   "modules/scala-akka-http/src/.*\\.scala"
   "modules/scala-dropwizard/src/.*\\.scala"
   "modules/scala-http4s/src/.*\\.scala"
+  "modules/scala-zio-http/src/.*\\.scala"
   "modules/scala-support/src/.*\\.scala"
 ]
 

CONTRIBUTING.md

@@ -11,6 +11,7 @@ Project structure
   - `scala-akka-http`: Generators for [`akka-http`](https://doc.akka.io/docs/akka-http/current/index.html) clients and servers
   - `scala-dropwizard`: Generators for [dropwizard](https://www.dropwizard.io/)
   - `scala-http4s`: Generators for [`http4s`](https://http4s.org/) clients and servers
+  - `scala-zio-http`: Generators for [`zio-http`](https://zio.github.io/zio-http/) clients and servers
   - `scala-support`: Language definitions for Scala, as well as circe and Jackson generators
 
 Coding guidelines

build.sbt

@@ -98,7 +98,7 @@ lazy val root = modules.root.project
   .dependsOn(core % "compile->compile;test->test")
   .dependsOn(javaSupport, scalaSupport)
   .dependsOn(javaAsyncHttp, javaDropwizard, javaSpringMvc)
-  .dependsOn(scalaAkkaHttp, scalaDropwizard, scalaHttp4s)
+  .dependsOn(scalaAkkaHttp, scalaDropwizard, scalaHttp4s, scalaZioHttp)
   .dependsOn(cli)
   .aggregate(allDeps, microsite)
   .aggregate(
@@ -113,6 +113,7 @@ lazy val root = modules.root.project
     scalaSupport,
     scalaAkkaHttp,
     scalaHttp4s,
+    scalaZioHttp,
     scalaDropwizard,
   )
 
@@ -130,7 +131,8 @@ lazy val samples = (project in file("modules/samples"))
     scalaAkkaHttpSample,
     scalaDropwizardSample,
     scalaHttp4sSample,
-    scalaHttp4sSampleV0_22
+    scalaHttp4sSampleV0_22,
+    scalaZioHttpSample,
   )
 
 lazy val core = modules.core.project
@@ -144,6 +146,7 @@ lazy val cli = modules.cli.project
   .dependsOn(scalaSupport % "test->compile")
   .dependsOn(scalaAkkaHttp % "test->compile")
   .dependsOn(scalaHttp4s % "test->compile")
+  .dependsOn(scalaZioHttp % "test->compile")
 
 lazy val javaSupport = modules.javaSupport.project
   .customDependsOn("java-support", core)
@@ -177,6 +180,10 @@ lazy val scalaHttp4sSample = modules.scalaHttp4s.sample
 lazy val scalaHttp4s = modules.scalaHttp4s.project
   .customDependsOn("scala-support", scalaSupport)
 
+lazy val scalaZioHttpSample = modules.scalaZioHttp.sample
+lazy val scalaZioHttp = modules.scalaZioHttp.project
+  .customDependsOn("scala-support", scalaSupport)
+
 lazy val scalaDropwizardSample = modules.scalaDropwizard.sample
 lazy val scalaDropwizard = modules.scalaDropwizard.project
   .customDependsOn("scala-support", scalaSupport)
@@ -189,6 +196,7 @@ lazy val microsite = baseModule("microsite", "microsite", file("modules/microsit
   )
   .dependsOn(scalaAkkaHttp)
   .dependsOn(scalaHttp4s)
+  .dependsOn(scalaZioHttp)
 
 watchSources ++= (baseDirectory.value / "modules/sample/src/test" ** "*.scala").get
 watchSources ++= (baseDirectory.value / "modules/sample/src/test" ** "*.java").get

modules/sample-zioHttp/src/main/scala/examples/support/PositiveLong.scala

@@ -0,0 +1,11 @@
+package examples.support
+
+import examples.client.http4s.Implicits
+import io.circe.Decoder
+
+class PositiveLong private (val value: Long) extends AnyVal
+object PositiveLong {
+  def apply(value: Long): Option[PositiveLong] = if (value >= 0) Some(new PositiveLong(value)) else None
+  implicit val showable                        = Implicits.Show.build[PositiveLong](_.value.toString())
+  implicit val decodePositiveLong              = Decoder.decodeLong.emap(num => PositiveLong.apply(num).toRight(s"${num} is not positive"))
+}

modules/sample-zioHttp/src/test/scala/scalatest/EitherTValues.scala

@@ -0,0 +1,26 @@
+package tests.scalatest
+
+import cats.Functor
+import cats.data.EitherT
+import org.scalactic.source
+import org.scalatest._
+import org.scalatest.exceptions.{ StackDepthException, TestFailedException }
+import scala.language.higherKinds
+import scala.language.implicitConversions
+
+trait EitherTValues {
+
+  implicit def convertEitherTToValuable[F[_]: Functor, L, R](eitherT: EitherT[F, L, R]) = new EitherTValuable(eitherT)
+
+  class EitherTValuable[F[_]: Functor, L, R](eitherT: EitherT[F, L, R]) {
+    def leftValue(implicit pos: source.Position): F[L] =
+      eitherT.fold(identity, { _ =>
+        throw new TestFailedException((_: StackDepthException) => Option.empty[String], Option.empty[Throwable], pos)
+      })
+
+    def rightValue(implicit pos: source.Position): F[R] =
+      eitherT.fold({ _ =>
+        throw new TestFailedException((_: StackDepthException) => Option.empty[String], Option.empty[Throwable], pos)
+      }, identity)
+  }
+}

modules/sample-zioHttp/src/test/scala/swagger/Escaping.scala

@@ -0,0 +1,14 @@
+package swagger
+
+import org.scalatest.matchers.should.Matchers
+import org.scalatest.funsuite.AnyFunSuite
+import examples.client.http4s.Implicits
+import examples.client.http4s.Http4sImplicits._
+
+class EscapingTest extends AnyFunSuite with Matchers {
+  test("Properly escape parameters") {
+    Implicits.Formatter.addPath("foo bar baz") shouldEqual "foo%20bar%20baz"
+    Implicits.Formatter.addPath("foo/bar") shouldEqual "foo%2Fbar"
+    Implicits.Formatter.addArg("my key", "3=foo/bar baz!") shouldEqual "&my%20key=3%3Dfoo/bar%20baz%21"
+  }
+}

modules/scala-support/src/main/scala/dev/guardrail/generators/scala/ScalaModuleMapper.scala

@@ -12,6 +12,7 @@ class ScalaModuleMapper extends ModuleMapperLoader {
     case "http4s"            => Some(Set("circe", "http4s"))
     case "http4s-v0.23"      => Some(Set("circe", "http4s-v0.23"))
     case "http4s-v0.22"      => Some(Set("circe", "http4s-v0.22"))
+    case "zio-http"          => Some(Set("circe", "zio-http")) // TODO: add and use zio-json instead of circe
     case "akka-http-jackson" => Some(Set("akka-http", "jackson"))
     case "dropwizard"        => Some(Set("dropwizard", "jackson"))
     case _                   => None

modules/scala-zio-http/src/main/resources/META-INF/services/dev.guardrail.generators.spi.ClientGeneratorLoader

@@ -0,0 +1 @@
+dev.guardrail.generators.scala.zio.http.ZioHttpClientGeneratorLoader

modules/scala-zio-http/src/main/resources/META-INF/services/dev.guardrail.generators.spi.FrameworkGeneratorLoader

@@ -0,0 +1 @@
+dev.guardrail.generators.scala.zio.http.ZioHttpGeneratorLoader

modules/scala-zio-http/src/main/resources/META-INF/services/dev.guardrail.generators.spi.ServerGeneratorLoader

@@ -0,0 +1 @@
+dev.guardrail.generators.scala.zio.http.ZioHttpServerGeneratorLoader