TodoRepository work

packages/server/src/TodoRepository.ts

@@ -1,8 +1,14 @@
 import { Todo } from "@todo-tests/common/data"
-import { Array, Context, Data, Effect, Option, Ref, SubscriptionRef } from "effect"
+import { Array, Context, Data, Effect, Layer, Option, Ref, SubscriptionRef } from "effect"
 
 
-export class TodoRepository extends Context.Tag("TodoRepository")<TodoRepository, Ref.Ref<Todo[]>>() {}
+export class TodoRepository extends Context.Tag("TodoRepository")<TodoRepository, TodoRepositoryService>() {}
+
+export const TodoRepositoryLive = Layer.effect(TodoRepository,
+    SubscriptionRef.make(Array.empty<Todo & { id: Option.Some<string> }>()).pipe(
+        Effect.map(ref => new TodoRepositoryService(ref))
+    )
+)
 
 
 export class TodoRepositoryService {
@@ -60,27 +66,20 @@ export class TodoRepositoryService {
     }
 }
 
-export class TodoHasID extends Data.TaggedError("TodoHasID")<{
-    todo: Todo
-}> {}
-
-export class TodoHasNoID extends Data.TaggedError("TodoHasNoID")<{
-    todo: Todo
-}> {}
+export class TodoHasID extends Data.TaggedError("TodoHasID")<{ todo: Todo }> {}
+export class TodoHasNoID extends Data.TaggedError("TodoHasNoID")<{ todo: Todo }> {}
 
 
-export const createDefaultTodos = TodoRepository.pipe(Effect.flatMap(repo =>
-    Ref.update(repo, todos =>
-        Array.appendAll(todos, [
-            new Todo({
-                id: Option.some("1"),
-                title: "A test todo",
-                content: "Lorem ipsum",
-                due: Option.none(),
-                completed: false,
-                createdAt: new Date(),
-                updatedAt: new Date(),
-            })
-        ])
-    )
-))
+export const createDefaultTodos = Effect.gen(function*() {
+    const todos = yield* TodoRepository
+
+    yield* todos.add(new Todo({
+        id:         Option.none(),
+        title:      "A test todo",
+        content:    "Lorem ipsum",
+        due:        Option.none(),
+        completed:  false,
+        createdAt:  new Date(),
+        updatedAt:  new Date(),
+    }))
+})