feat(server): extract question handler factory into packages/server (#22503)

packages/server/package.json

@@ -10,7 +10,8 @@
     "./definition": "./src/definition/index.ts",
     "./definition/api": "./src/definition/api.ts",
     "./definition/question": "./src/definition/question.ts",
-    "./api": "./src/api/index.ts"
+    "./api": "./src/api/index.ts",
+    "./api/question": "./src/api/question.ts"
   },
   "files": [
     "dist"

packages/server/src/api/index.ts

@@ -1 +1,2 @@
-export {}
+export { makeQuestionHandler } from "./question.js"
+export type { QuestionOps } from "./question.js"

packages/server/src/api/question.ts

@@ -0,0 +1,37 @@
+import { Effect, Schema } from "effect"
+import { HttpApiBuilder } from "effect/unstable/httpapi"
+import { QuestionReply, QuestionRequest, questionApi } from "../definition/question.js"
+
+export interface QuestionOps<R = never> {
+  readonly list: () => Effect.Effect<ReadonlyArray<unknown>, never, R>
+  readonly reply: (input: {
+    requestID: string
+    answers: Schema.Schema.Type<typeof QuestionReply>["answers"]
+  }) => Effect.Effect<void, never, R>
+}
+
+export const makeQuestionHandler = <R>(ops: QuestionOps<R>) =>
+  HttpApiBuilder.group(
+    questionApi,
+    "question",
+    Effect.fn("QuestionHttpApi.handlers")(function* (handlers) {
+      const decode = Schema.decodeUnknownSync(Schema.Array(QuestionRequest))
+
+      const list = Effect.fn("QuestionHttpApi.list")(function* () {
+        return decode(yield* ops.list())
+      })
+
+      const reply = Effect.fn("QuestionHttpApi.reply")(function* (ctx: {
+        params: { requestID: string }
+        payload: Schema.Schema.Type<typeof QuestionReply>
+      }) {
+        yield* ops.reply({
+          requestID: ctx.params.requestID,
+          answers: ctx.payload.answers,
+        })
+        return true
+      })
+
+      return handlers.handle("list", list).handle("reply", reply)
+    }),
+  )

packages/server/src/index.ts

@@ -1,4 +1,6 @@
 export { openapi } from "./openapi.js"
+export { makeQuestionHandler } from "./api/question.js"
 export { api } from "./definition/api.js"
 export { questionApi, QuestionReply, QuestionRequest } from "./definition/question.js"
 export type { OpenApiSpec, ServerApi } from "./types.js"
+export type { QuestionOps } from "./api/question.js"