refactor: replace amvstrm source with aniwatch

src/controllers/episodes/getByAniListId/aniwatch.ts

@@ -0,0 +1,107 @@
+import { Episode, type EpisodesResponse } from "./episode";
+
+export async function getEpisodesFromAniwatch(
+  aniListId: number,
+): Promise<EpisodesResponse | null> {
+  try {
+    const animeTitle = await import("~/controllers/title/anilist")
+      .then(({ fetchTitleFromAnilist }) =>
+        fetchTitleFromAnilist(aniListId, undefined),
+      )
+      .then((title) => title?.title?.userPreferred ?? title?.title?.english);
+
+    if (!animeTitle) {
+      return null;
+    }
+
+    const aniwatchId = await getAniwatchId(animeTitle);
+    if (!aniwatchId) {
+      return null;
+    }
+
+    const episodes: Episode[] | null = await fetch(
+      `https://aniwatch.up.railway.app/anime/episodes/${aniwatchId}`,
+    )
+      .then((res) => res.json<AniwatchEpisodesResponse>())
+      .then(({ totalEpisodes, episodes }) => {
+        if (totalEpisodes === 0) {
+          console.error(
+            `Error trying to load episodes from aniwatch; aniListId: ${aniListId}, totalEpisodes: ${totalEpisodes}`,
+          );
+          return null;
+        }
+
+        return episodes.map<Episode>(({ episodeId, number, title }) => ({
+          id: episodeId,
+          number,
+          title,
+          updatedAt: 0,
+        }));
+      });
+    if (!episodes || episodes.length === 0) {
+      return null;
+    }
+
+    return { providerId: "aniwatch", episodes };
+  } catch (error) {
+    console.error(
+      new Error(
+        `Error trying to load episodes from aniwatch; aniListId: ${aniListId}`,
+        { cause: error },
+      ),
+    );
+  }
+
+  return null;
+}
+
+function getAniwatchId(animeTitle: string): Promise<string | undefined> {
+  return fetch(
+    `https://aniwatch.up.railway.app/anime/search?q=${encodeURIComponent(animeTitle)}`,
+  )
+    .then((res) => res.json<AniwatchSearchResponse>())
+    .then(({ animes }) => animes[0]?.id);
+}
+
+export interface AniwatchEpisodesResponse {
+  totalEpisodes: number;
+  episodes: AniwatchEpisode[];
+}
+
+export interface AniwatchEpisode {
+  title: string;
+  episodeId: string;
+  number: number;
+  isFiller: boolean;
+}
+
+export interface AniwatchSearchResponse {
+  animes: Anime[];
+  currentPage: number;
+  hasNextPage: boolean;
+  totalPages: number;
+}
+
+interface Anime {
+  id: string;
+  name: string;
+  jname: string;
+  poster: string;
+  duration: string;
+  type: Type;
+  rating: null | string;
+  episodes: Episodes;
+}
+
+interface Episodes {
+  sub: number | null;
+  dub: number | null;
+}
+
+enum Type {
+  Movie = "Movie",
+  Ona = "ONA",
+  Ova = "OVA",
+  Special = "Special",
+  Tv = "TV",
+}