Add first /poster route

api/src/controllers/images.ts

@@ -1,11 +1,18 @@
 import { stat } from "node:fs/promises";
 import type { BunFile } from "bun";
+import { and, eq, sql } from "drizzle-orm";
 import Elysia, { t } from "elysia";
+import { db } from "~/db";
+import { showTranslations, shows } from "~/db/schema";
+import { sqlarr } from "~/db/utils";
 import { KError } from "~/models/error";
+import { bubble } from "~/models/examples";
+import { AcceptLanguage, isUuid, processLanguages } from "~/models/utils";
 import { imageDir } from "./seed/images";
 
-export const imagesH = new Elysia({ prefix: "/images", tags: ["images"] }).get(
+export const imagesH = new Elysia({ tags: ["images"] })
-	":id",
+	.get(
+		"/images/:id",
 		async ({ params: { id }, query: { quality }, headers: reqHeaders }) => {
 			const path = `${imageDir}/${id}.${quality}.jpg`;
 			const file = Bun.file(path);
@@ -47,7 +54,86 @@ export const imagesH = new Elysia({ prefix: "/images", tags: ["images"] }).get(
 				404: { ...KError, description: "No image found with this id." },
 			},
 		},
-);
+	)
+	.get(
+		"/movies/:id/poster",
+		async ({
+			params: { id },
+			headers: { "accept-language": languages },
+			query: { quality },
+			set,
+			error,
+			redirect,
+		}) => {
+			const lang = processLanguages(languages);
+			const [movie] = await db
+				.select({
+					poster: showTranslations.poster,
+					language: showTranslations.language,
+				})
+				.from(shows)
+				.leftJoin(showTranslations, eq(shows.pk, showTranslations.pk))
+				.where(
+					and(
+						eq(shows.kind, "movie"),
+						isUuid(id) ? eq(shows.id, id) : eq(shows.slug, id),
+						!lang.includes("*")
+							? eq(showTranslations.language, sql`any(${sqlarr(lang)})`)
+							: undefined,
+					),
+				)
+				.orderBy(
+					sql`array_position(${sqlarr(lang)}, ${showTranslations.language})`,
+				)
+				.limit(1);
+
+			if (!movie) {
+				return error(404, {
+					status: 404,
+					message: `No movie found with id or slug: '${id}'.`,
+				});
+			}
+			if (!movie.language) {
+				return error(422, {
+					status: 422,
+					message: "Accept-Language header could not be satisfied.",
+				});
+			}
+			set.headers["content-language"] = movie.language;
+			return redirect(`/images/${movie.poster!.id}?quality=${quality}`);
+		},
+		{
+			detail: { description: "Get the poster of a movie" },
+			params: t.Object({
+				id: t.String({
+					description: "The id or slug of the movie to retrieve.",
+					example: bubble.slug,
+				}),
+			}),
+			query: t.Object({
+				quality: t.Optional(
+					t.UnionEnum(["high", "medium", "low"], {
+						default: "high",
+						description: "The quality you want your image to be in.",
+					}),
+				),
+			}),
+			headers: t.Object({
+				"accept-language": AcceptLanguage(),
+			}),
+			response: {
+				302: t.Void({
+					description:
+						"Redirected to the [/movies/{id}](#tag/movies/GET/movies/{id}) route.",
+				}),
+				404: {
+					...KError,
+					description: "No movie found with the given id or slug.",
+				},
+				422: KError,
+			},
+		},
+	);
 
 // stolen from https://github.com/elysiajs/elysia-static/blob/main/src/cache.ts