Merge pull request #8 from io-github-nafg/add-openapi-codegen-script-…

…for-zio-http

Add OpenAPI codegen script for ZIO HTTP

bleep-plugin-openapi-codegen-zio-http/src/scala/io/github/nafg/bleep/plugins/openapicodegen/ziohttp/ApiCodegenScript.scala

@@ -0,0 +1,55 @@
+package io.github.nafg.bleep.plugins.openapicodegen.ziohttp
+
+import java.nio.file.Files
+
+import scala.io.Source
+import scala.jdk.CollectionConverters.IteratorHasAsScala
+import scala.util.Using
+
+import bleep.{BleepCodegenScript, Commands, PathOps, Started}
+import zio.http.endpoint.openapi.OpenAPI
+import zio.http.gen.openapi.EndpointGen
+import zio.http.gen.scala.{Code, CodeGen}
+import zio.json.yaml.*
+import zio.schema.codec.JsonCodec
+
+object ApiCodegenScript extends BleepCodegenScript("api-codegen") {
+  override def run(started: Started, commands: Commands, targets: List[ApiCodegenScript.Target], args: List[String]) = {
+    targets.foreach { target =>
+      val dir = started.projectPaths(target.project).dir / "openapi"
+      if (Files.exists(dir) && Files.isDirectory(dir)) {
+        val yamlFiles =
+          Files
+            .walk(dir)
+            .iterator()
+            .asScala
+            .filter(path => path.toString.endsWith(".yaml") || path.toString.endsWith(".yml"))
+
+        for (yamlFile <- yamlFiles)
+          Using.resource(Source.fromFile(yamlFile.toFile)) { source =>
+            val relative = dir.relativize(yamlFile)
+            val dirs     = relative.getParent.iterator().asScala.map(_.toString).toList
+            source.mkString.fromYaml(JsonCodec.jsonDecoder(OpenAPI.schema)) match {
+              case Left(value)    => sys.error(value)
+              case Right(openAPI) =>
+                val files0 = EndpointGen.fromOpenAPI(openAPI)
+                val files  =
+                  files0.copy(files = files0.files.map { f =>
+                    f.copy(imports = (f.imports :+ Code.Import("zio.schema._")).distinct.map {
+                      case Code.Import.Absolute(path) => Code.Import.Absolute(path.replaceFirst("\\._$", ".*"))
+                      case Code.Import.FromBase(path) => Code.Import.FromBase(path.replaceFirst("\\._$", ".*"))
+                    })
+                  })
+                CodeGen.writeFiles(
+                  files = files,
+                  basePath = target.sources.resolve(relative) / "generated",
+                  basePackage = s"${dirs.mkString(".")}.generated",
+                  scalafmtPath = Some(started.buildPaths.buildDir / ".scalafmt.conf")
+                )
+            }
+          }
+      } else
+        started.logger.warn(s"$dir does not exist or is not a directory")
+    }
+  }
+}

bleep.yaml

@@ -3,6 +3,15 @@ $version: 0.0.9
 jvm:
   name: graalvm-java17:22.3.1
 projects:
+  bleep-plugin-openapi-codegen-zio-http:
+    dependencies:
+    - build.bleep::bleep-core:0.0.9
+    - com.lihaoyi::sourcecode:0.4.2
+    - module: dev.zio::zio-http-gen:3.0.1
+      exclusions:
+        com.lihaoyi: sourcecode_2.13
+    - dev.zio::zio-json-yaml:0.7.3
+    extends: template-cross-all
   bleep-plugin-publish:
     dependencies: build.bleep::bleep-plugin-ci-release:0.0.9
     extends: template-cross-all