| 1 | import { data } from "react-router"; |
| 2 | |
| 3 | import type { Route } from "./+types/export"; |
| 4 | import { folios } from "../../../lib/services.server"; |
| 5 | import { requireUser, roleIn } from "../../../lib/session.server"; |
| 6 | |
| 7 | /** |
| 8 | * An artifact as a file: `?folio=<id>` downloads a doc as `<title>.md` |
| 9 | * (`&format=json` for its agent form). `&inline=1` answers the text |
| 10 | * itself, for "Copy as Markdown". Only what the viewer can read. |
| 11 | */ |
| 12 | export async function loader({ params, context, request }: Route.LoaderArgs) { |
| 13 | const viewer = requireUser(context, request); |
| 14 | if (!roleIn(viewer, params.owner)) throw data(null, { status: 404 }); |
| 15 | const url = new URL(request.url); |
| 16 | const id = url.searchParams.get("folio"); |
| 17 | if (!id) throw data("Which artifact?", { status: 400 }); |
| 18 | const format = url.searchParams.get("format") === "json" ? "json" : null; |
| 19 | const found = await folios.export(params.owner.toLowerCase(), viewer, id, format); |
| 20 | if (!found.ok) throw data(found.error.message, { status: found.error.code === "not_found" ? 404 : found.error.code === "forbidden" ? 403 : 422 }); |
| 21 | const inline = url.searchParams.get("inline") === "1"; |
| 22 | return new Response(found.value.body, { |
| 23 | headers: { |
| 24 | "content-type": found.value.content_type, |
| 25 | ...(inline ? {} : { "content-disposition": `attachment; filename*=UTF-8''${encodeURIComponent(found.value.filename)}` }), |
| 26 | "cache-control": "no-store", |
| 27 | }, |
| 28 | }); |
| 29 | } |