fix: update "new episode" route to check all providers before throwing error

src/controllers/episodes/getByAniListId/index.ts

@@ -3,7 +3,7 @@ import { OpenAPIHono, createRoute, z } from "@hono/zod-openapi";
 import { fetchFromMultipleSources } from "~/libs/fetchFromMultipleSources";
 import { readEnvVariable } from "~/libs/readEnvVariable";
 import type { Env } from "~/types/env";
-import { EpisodesResponseSchema } from "~/types/episode";
+import { EpisodesResponse, EpisodesResponseSchema } from "~/types/episode";
 import {
   AniListIdQuerySchema,
   ErrorResponse,
@@ -43,6 +43,23 @@ const route = createRoute({
 
 const app = new OpenAPIHono<Env>();
 
+export function fetchEpisodesFromAllProviders(
+  aniListId: number,
+  isAnifyEnabled: boolean,
+): Promise<EpisodesResponse[]> {
+  return Promise.allSettled([
+    import("./aniwatch").then(({ getEpisodesFromAniwatch }) =>
+      getEpisodesFromAniwatch(aniListId),
+    ),
+    getEpisodesFromAnify(isAnifyEnabled, aniListId),
+  ]).then((episodeResults) =>
+    episodeResults
+      .filter((result) => result.status === "fulfilled")
+      .map((result) => result.value)
+      .filter((episodes) => !!episodes),
+  );
+}
+
 export function fetchEpisodes(aniListId: number, isAnifyEnabled: boolean) {
   return fetchFromMultipleSources([
     () => getEpisodesFromAnify(isAnifyEnabled, aniListId),