feat(01): Simple initial landing

summercms/src/api/LandingRoutes.scala

@@ -0,0 +1,62 @@
+package api
+
+import zio.*
+import zio.http.*
+import scala.io.Source
+
+/** Landing page and static asset routes
+  */
+object LandingRoutes {
+
+  private def loadResource(path: String): Option[String] =
+    Option(getClass.getClassLoader.getResourceAsStream(path)).map { stream =>
+      val content = Source.fromInputStream(stream, "UTF-8").mkString
+      stream.close()
+      content
+    }
+
+  private def serveLanding: ZIO[Any, Nothing, Response] =
+    ZIO.succeed {
+      loadResource("public/landing.html") match {
+        case Some(html) =>
+          Response(
+            status = Status.Ok,
+            headers = Headers(Header.ContentType(MediaType.text.html)),
+            body = Body.fromString(html)
+          )
+        case None =>
+          Response.text("Landing page not found").status(Status.InternalServerError)
+      }
+    }
+
+  private def serveImage(filename: String): ZIO[Any, Nothing, Response] =
+    ZIO.attemptBlocking {
+      val path = s"public/assets/images/$filename"
+      val stream = getClass.getClassLoader.getResourceAsStream(path)
+      if (stream == null) {
+        Response.notFound
+      } else {
+        val bytes = stream.readAllBytes()
+        stream.close()
+        val mediaType = if (filename.endsWith(".png")) MediaType.image.png
+                       else if (filename.endsWith(".jpg") || filename.endsWith(".jpeg")) MediaType.image.jpeg
+                       else if (filename.endsWith(".svg")) MediaType.image.`svg+xml`
+                       else if (filename.endsWith(".gif")) MediaType.image.gif
+                       else MediaType.application.`octet-stream`
+        Response(
+          status = Status.Ok,
+          headers = Headers(Header.ContentType(mediaType)),
+          body = Body.fromChunk(Chunk.fromArray(bytes))
+        )
+      }
+    }.catchAll(_ => ZIO.succeed(Response.notFound))
+
+  val routes: Routes[Any, Response] =
+    Routes(
+      Method.GET / Root -> handler(serveLanding),
+      Method.GET / "assets" / "images" / string("filename") -> handler { (filename: String, _: Request) =>
+        serveImage(filename)
+      }
+    )
+
+}

summercms/src/api/Routes.scala

@@ -10,6 +10,6 @@ import javax.sql.DataSource
 object Routes {
 
   val routes: Routes[DataSource, Response] =
-    HealthRoutes.routes
+    LandingRoutes.routes ++ HealthRoutes.routes
 
 }