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Json with endpoints in zio-http
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| package com.simpleset | |
| import zio.* | |
| import zio.http.* | |
| import zio.http.codec.* | |
| import zio.http.codec.PathCodec.* | |
| import zio.http.endpoint.* | |
| import zio.http.endpoint.openapi.* | |
| import zio.json.{DeriveJsonDecoder, DeriveJsonEncoder, JsonDecoder, JsonEncoder} | |
| import zio.json.ast.Json | |
| import zio.process.Command | |
| import zio.schema.{DeriveSchema, Schema} | |
| import zio.schema.annotation.description | |
| import zio.schema.codec.json._ | |
| case class TestClass( | |
| name: String, | |
| more: Json | |
| ) | |
| object TestClass { | |
| given Schema[TestClass] = DeriveSchema.gen[TestClass] | |
| given JsonDecoder[TestClass] = DeriveJsonDecoder.gen[TestClass] | |
| given JsonEncoder[TestClass] = DeriveJsonEncoder.gen[TestClass] | |
| } | |
| object Main extends ZIOAppDefault: | |
| opaque type UnparsedJson = String | |
| // GET /dashboards - List all dashboards | |
| val jsonEndpoint = | |
| Endpoint(RoutePattern.GET / "json") | |
| .in[Json] | |
| .out[Json] | |
| // POST /dashboards - Create or update a dashboard | |
| val jsonFieldEndpoint = | |
| Endpoint(RoutePattern.GET / "json-field") | |
| .in[TestClass] | |
| .out[TestClass] | |
| val jsonUnparsedEndpoint = | |
| Endpoint(RoutePattern.GET / "json-unparsed") | |
| .in[UnparsedJson] | |
| .out[UnparsedJson] | |
| val jsonRoute = jsonEndpoint.implementHandler(handler { (json: Json) => ZIO.succeed(json).debug("json") }) | |
| val jsonFieldRoute = jsonFieldEndpoint.implementHandler(handler { (tc: TestClass) => ZIO.succeed(tc).debug("json-field") }) | |
| val jsonUnparsedRoute = jsonUnparsedEndpoint.implementHandler(handler { (u: UnparsedJson) => ZIO.succeed(u).debug("json-unparsed") }) | |
| def testEndpoint(endpoint: String) = | |
| Console.printLine("\n\n" + ("*" * 20)) *> | |
| Console.printLine( | |
| s"""Testing $endpoint | |
| |curl -X 'GET' \\ | |
| | 'http://localhost:8080/$endpoint' \\ | |
| | -H 'accept: application/json' \\ | |
| | -H 'Content-Type: application/json' \\ | |
| | -d '{"name": "john", "more": { "size": "big", "age": 10 }}' | |
| |""".stripMargin) *> | |
| Command("curl", "-X", "GET", s"http://localhost:8080/$endpoint", | |
| "-H", "accept: application/json", | |
| "-H", "Content-Type: application/json", | |
| "-d", """{"name": "john", "more": { "size": "big", "age": 10 }}""", | |
| ).run.flatMap(process => | |
| process.exitCode.map(_.code).debug("exitCode") *> process.stdout.string.debug("stdout") | |
| ) | |
| def run: ZIO[ZIOAppArgs & Scope, Throwable, Unit] = | |
| for | |
| _ <- Console.printLine(s"Starting ZIO-HTTP server. Open http://localhost:8080/docs/openapi") | |
| openAPI = OpenAPIGen.fromEndpoints( | |
| title = "API", | |
| version = "1.0.0", | |
| jsonEndpoint, | |
| jsonFieldEndpoint, | |
| jsonUnparsedEndpoint, | |
| ) | |
| swaggerRoutes = SwaggerUI.routes(path("docs") / "openapi", openAPI) | |
| allRoutes = Routes(jsonRoute, jsonFieldRoute, jsonUnparsedRoute) ++ swaggerRoutes | |
| process <- Server.serve(allRoutes).provide(Server.default).fork | |
| _ <- ZIO.sleep(2.seconds) | |
| _ <- ZIO.foreach(List("json", "json-field", "json-unparsed"))(testEndpoint) | |
| _ <- process.interrupt | |
| // _ <- process.join | |
| yield () |
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