refactor: move fetchEpisodes in to subfolder

src/controllers/episodes/getByAniListId/anify.ts

@@ -0,0 +1,107 @@
+import { PromiseTimedOutError, promiseTimeout } from "~/libs/promiseTimeout";
+import { sortByProperty } from "~/libs/sortByProperty";
+
+import type { EpisodesResponse } from "./episode";
+
+export async function getEpisodesFromAnify(
+  isAnifyEnabled: boolean,
+  aniListId: number,
+): Promise<EpisodesResponse | null> {
+  if (shouldSkipAnify(isAnifyEnabled, aniListId)) {
+    return null;
+  }
+
+  let response: AnifyEpisodesResponse[] | null = null;
+  const abortController = new AbortController();
+  try {
+    response = await promiseTimeout(
+      fetch(`https://api.anify.tv/episodes/${aniListId}`, {
+        signal: abortController.signal,
+      }).then((res) => res.json<AnifyEpisodesResponse[]>()),
+      30 * 1000,
+    );
+  } catch (e) {
+    if (e instanceof PromiseTimedOutError) {
+      abortController.abort("Loading episodes from Anify timed out");
+    }
+    console.error(
+      new Error(
+        `Error trying to load episodes from anify; aniListId: ${aniListId}`,
+        { cause: e },
+      ),
+    );
+  }
+
+  if (!response || response.length === 0) {
+    return null;
+  }
+
+  const sourcePriority = {
+    gogoanime: 1,
+  };
+  const filteredEpisodesData = response
+    .filter(({ providerId }) => {
+      if (providerId === "9anime") {
+        return false;
+      }
+      if (aniListId == 166873 && providerId === "zoro") {
+        // Mushoku Tensei: Job Reincarnation S2 Part 2 returns incorrect mapping for Zoro only
+        return false;
+      }
+
+      return true;
+    })
+    .sort(sortByProperty(sourcePriority, "providerId"));
+
+  const selectedEpisodeData = filteredEpisodesData[0];
+  return {
+    providerId: selectedEpisodeData.providerId,
+    episodes: selectedEpisodeData.episodes.map(
+      ({ id, number, description, img, rating, title, updatedAt }) => ({
+        id,
+        number,
+        description,
+        img,
+        rating,
+        title,
+        updatedAt: updatedAt ?? 0,
+      }),
+    ),
+  };
+}
+
+export function shouldSkipAnify(
+  isAnifyEnabled: boolean,
+  aniListId: number,
+): boolean {
+  if (!isAnifyEnabled) {
+    return true;
+  }
+
+  // Some mappings on Anify are incorrect so they return episodes from a similar title
+  if (
+    [
+      158927, // Spy x Family S2
+      166873, // Mushoku Tensei: Jobless Reincarnation S2 part 2
+    ].includes(aniListId)
+  ) {
+    return true;
+  }
+
+  return false;
+}
+
+interface AnifyEpisodesResponse {
+  providerId: string;
+  episodes: {
+    id: string;
+    isFiller: boolean | undefined;
+    number: number;
+    title: string;
+    img: string | null;
+    hasDub: boolean;
+    description: string | null;
+    rating: number | null;
+    updatedAt: number | undefined;
+  }[];
+}