| 1 | import * as Railway from "@/Railway"; |
| 2 | import * as Effect from "effect/Effect"; |
| 3 | import * as FileSystem from "effect/FileSystem"; |
| 4 | import { HttpServerRequest } from "effect/http/HttpServerRequest"; |
| 5 | import * as HttpServerResponse from "effect/http/HttpServerResponse"; |
| 6 | import { Partition, Site } from "./suite-env.ts"; |
| 7 | |
| 8 | export { Site }; |
| 9 | |
| 10 | export const VOLUME_PATH = "/data"; |
| 11 | export const MARKER_FILE = "hello.txt"; |
| 12 | export const MARKER = "hello-from-railway-volume"; |
| 13 | export const VOLUME_PORT = 3000; |
| 14 | |
| 15 | /** |
| 16 | * Block disk {@link VolumeApi} mounts at {@link VOLUME_PATH}. |
| 17 | */ |
| 18 | export const Data = Railway.Volume("Data", { |
| 19 | project: Site, |
| 20 | environment: Partition, |
| 21 | mountPath: VOLUME_PATH, |
| 22 | }); |
| 23 | |
| 24 | /** |
| 25 | * HTTP Service that mounts {@link Data} via {@link Railway.MountVolume} |
| 26 | * and round-trips a file — the Volume tutorial shape. |
| 27 | */ |
| 28 | export default class VolumeApi extends Railway.Service<VolumeApi>()( |
| 29 | "VolumeApi", |
| 30 | { |
| 31 | project: Site, |
| 32 | environment: Partition, |
| 33 | main: import.meta.url, |
| 34 | port: VOLUME_PORT, |
| 35 | }, |
| 36 | Effect.gen(function* () { |
| 37 | const mount = yield* Railway.MountVolume(Data, { path: VOLUME_PATH }); |
| 38 | const fs = yield* FileSystem.FileSystem; |
| 39 | |
| 40 | return { |
| 41 | fetch: Effect.gen(function* () { |
| 42 | const request = yield* HttpServerRequest; |
| 43 | const url = new URL(request.url, "http://service"); |
| 44 | if (url.pathname === "/health") { |
| 45 | return yield* HttpServerResponse.json({ |
| 46 | ok: true, |
| 47 | path: mount.path, |
| 48 | }); |
| 49 | } |
| 50 | const file = `${mount.path}${url.pathname}`; |
| 51 | if (request.method === "PUT") { |
| 52 | const body = yield* request.text; |
| 53 | yield* fs.writeFileString(file, body).pipe(Effect.orDie); |
| 54 | return HttpServerResponse.empty({ status: 204 }); |
| 55 | } |
| 56 | if (request.method === "GET") { |
| 57 | const text = yield* fs |
| 58 | .readFileString(file) |
| 59 | .pipe(Effect.catch(() => Effect.succeed(undefined))); |
| 60 | if (text === undefined) { |
| 61 | return HttpServerResponse.text("Not found", { status: 404 }); |
| 62 | } |
| 63 | return HttpServerResponse.text(text); |
| 64 | } |
| 65 | return HttpServerResponse.text("Hello from Railway!"); |
| 66 | }), |
| 67 | }; |
| 68 | }).pipe(Effect.provide(Railway.MountVolumeLive)), |
| 69 | ) {} |