From 475add299c09af3e144bafdc58cbc17056c54979 Mon Sep 17 00:00:00 2001
From: Mark Rudolph <mark@k8ty.app>
Date: Thu, 5 Dec 2024 22:58:23 -0500
Subject: [PATCH] Add some Response string interpolators

---
 .../spider/server/RequestHandler.test.scala   | 53 ++++++++++++++++++-
 .../branch/spider/server/Response.scala       | 28 ++++++++++
 2 files changed, 79 insertions(+), 2 deletions(-)

diff --git a/branch/src/main/scala/dev/wishingtree/branch/spider/server/RequestHandler.test.scala b/branch/src/main/scala/dev/wishingtree/branch/spider/server/RequestHandler.test.scala
index 38a9c86..8403927 100644
--- a/branch/src/main/scala/dev/wishingtree/branch/spider/server/RequestHandler.test.scala
+++ b/branch/src/main/scala/dev/wishingtree/branch/spider/server/RequestHandler.test.scala
@@ -1,8 +1,10 @@
 package dev.wishingtree.branch.spider.server
 
+import dev.wishingtree.branch.friday.http.JsonBodyHandler
 import dev.wishingtree.branch.spider.HttpMethod
 import dev.wishingtree.branch.spider.server.OpaqueSegments.*
 import dev.wishingtree.branch.spider.server.RequestHandler.given
+import dev.wishingtree.branch.spider.server.Response.*
 import dev.wishingtree.branch.testkit.fixtures.HttpFixtureSuite
 
 import java.net.URI
@@ -17,11 +19,31 @@ class RequestHandlerSpec extends HttpFixtureSuite {
     }
   }
 
+  val jsonHandler = new RequestHandler[Unit, String] {
+    override def handle(request: Request[Unit]): Response[String] = {
+      json"""
+            {
+              "message": "Aloha, World!"
+            }
+            """
+    }
+  }
+
+  val textHandler = new RequestHandler[Unit, String] {
+    override def handle(request: Request[Unit]): Response[String] = {
+      html"""
+            I am a text/html response.
+       """
+    }
+  }
+
   val alohaHandler: PartialFunction[(HttpMethod, Segments), RequestHandler[
     Unit,
     String
-  ]] = { case HttpMethod.GET -> >> / "aloha" =>
-    AlohaGreeter()
+  ]] = {
+    case HttpMethod.GET -> >> / "aloha"  => AlohaGreeter()
+    case HttpMethod.GET -> >> / "jaloha" => jsonHandler
+    case HttpMethod.GET -> >> / "txt"    => textHandler
   }
   httpFixture(alohaHandler).test("RequestHandler") { server =>
 
@@ -36,10 +58,37 @@ class RequestHandlerSpec extends HttpFixtureSuite {
       HttpResponse.BodyHandlers.ofString
     )
 
+    case class Message(message: String)
+    val response2 = client.send(
+      HttpRequest.newBuilder
+        .uri(
+          URI.create(s"http://localhost:${server.getAddress.getPort}/jaloha")
+        )
+        .build,
+      JsonBodyHandler.of[Message]
+    )
+
+    val response3 = client.send(
+      HttpRequest.newBuilder
+        .uri(URI.create(s"http://localhost:${server.getAddress.getPort}/txt"))
+        .build,
+      HttpResponse.BodyHandlers.ofString
+    )
+
     client.close()
 
     assertEquals(response.statusCode, 200)
     assertEquals(response.body, "Aloha")
+
+    assertEquals(response2.statusCode, 200)
+    assertEquals(response2.body().get, Message("Aloha, World!"))
+
+    assertEquals(response3.statusCode, 200)
+    assertEquals(
+      response3.body,
+      "I am a text/html response."
+    )
+
   }
 
 }
diff --git a/branch/src/main/scala/dev/wishingtree/branch/spider/server/Response.scala b/branch/src/main/scala/dev/wishingtree/branch/spider/server/Response.scala
index 653eb13..ea88506 100644
--- a/branch/src/main/scala/dev/wishingtree/branch/spider/server/Response.scala
+++ b/branch/src/main/scala/dev/wishingtree/branch/spider/server/Response.scala
@@ -13,6 +13,34 @@ case class Response[A](
 
 object Response {
 
+  extension (sc: StringContext) {
+
+    /** A string interpolator for creating a text/html response.
+      *
+      * {{{
+      *   html"""
+      *   <h1>Hello, $name!</h1>
+      *   """
+      * }}}
+      */
+    def html(args: Any*): Response[String] = {
+      Response(sc.s(args*).trim, Map(ContentType.html.toHeader))
+    }
+
+    /** A string interpolator for creating an application/json response.
+      *
+      * {{{
+      *   json"""
+      *   {
+      *    "message": "Hello, $name!"
+      *   }
+      *   """
+      * }}}
+      */
+    def json(args: Any*): Response[String] =
+      Response(sc.s(args*).strip(), Map(ContentType.json.toHeader))
+  }
+
   extension [A](r: Response[A]) {
 
     /** Adds a header to the response.