Extract BlogPost items from a global, into a BlogPostRepository service.

Author: patroza

_project/api/_src/Usecases/Blog.Controllers.ts

@@ -1,18 +1,19 @@
+import { BlogPostRepo } from "@/services.js"
 import { BlogPost } from "@effect-app-boilerplate/models/Blog"
 import { BlogRsc } from "@effect-app-boilerplate/resources"
 
-const items: BlogPost[] = []
+const { controllers, matchWithServices } = matchFor(BlogRsc)
 
-const { controllers, matchWith } = matchFor(BlogRsc)
-
-const GetPosts = matchWith("GetPosts")(
-  () => Effect({ items })
+const GetPosts = matchWithServices("GetPosts")(
+  { BlogPostRepo },
+  (_, { BlogPostRepo }) => BlogPostRepo.all.map(items => ({ items }))
 )
 
-const CreatePost = matchWith("CreatePost")(
-  req =>
+const CreatePost = matchWithServices("CreatePost")(
+  { BlogPostRepo },
+  (req, { BlogPostRepo }) =>
     Effect(new BlogPost({ ...req }))
-      .tap(post => Effect(items.push(post)))
+      .tap(BlogPostRepo.save)
       .map(_ => _.id)
 )
 

_project/api/_src/api.ts

@@ -3,7 +3,7 @@ import { writeOpenapiDocs } from "@effect-app/infra/api/writeDocs"
 import type { ApiMainConfig } from "./config.js"
 import * as MW from "./middleware/index.js"
 import * as R from "./routes.js"
-import { Operations, StoreMaker, UserRepo } from "./services.js"
+import { BlogPostRepoLive, Operations, StoreMaker, UserRepo } from "./services.js"
 import { Events } from "./services/Events.js"
 
 const routes = Effect.struct(R)
@@ -28,6 +28,7 @@ export function api(cfg: ApiMainConfig) {
     > logServerStart
 
   const services = Events.Live
+    > BlogPostRepoLive
     > StoreMaker.Live(Config(cfg.storage))
     > UserRepo.Live(
       cfg.fakeUsers === "sample" ? "sample" : ""

_project/api/_src/services.ts

@@ -1,4 +1,5 @@
 // codegen:start {preset: barrel, include: services/*.ts }
+export * from "./services/BlogPostRepo.js"
 export * from "./services/CurrentUser.js"
 export * from "./services/DBContext.js"
 export * from "./services/Events.js"

_project/api/_src/services/BlogPostRepo.ts

@@ -0,0 +1,16 @@
+import type { BlogPost } from "@effect-ts-app/boilerplate-types/Blog"
+
+export interface BlogPostRepo {
+  all: Effect<never, never, readonly BlogPost[]>
+  save: (post: BlogPost) => Effect<never, never, void>
+}
+export const BlogPostRepo = Tag<BlogPostRepo>()
+
+export const BlogPostRepoLive = Layer(BlogPostRepo, () => {
+  const items: BlogPost[] = []
+
+  return {
+    all: Effect([...items]),
+    save: post => Effect(items.push(post))
+  }
+})