feat: improve error handling for authentication flow

src/controllers/episodes/getByAniListId/aniwatch.ts

@@ -1,8 +1,10 @@
 import { findBestMatchingTitle } from "~/libs/findBestMatchingTitle";
+import { sleep } from "~/libs/sleep";
 import { Episode, type EpisodesResponse } from "~/types/episode";
 
 export async function getEpisodesFromAniwatch(
   aniListId: number,
+  shouldRetry: boolean = false,
 ): Promise<EpisodesResponse | null> {
   try {
     const animeTitle = await import("~/libs/anilist/getTitle")
@@ -48,6 +50,16 @@ export async function getEpisodesFromAniwatch(
 
     return { providerId: "aniwatch", episodes };
   } catch (error) {
+    if (shouldRetry && "response" in error && error.response.status === 429) {
+      console.log(
+        "429, retrying in",
+        error.response.headers.get("Retry-After"),
+      );
+      return sleep(
+        Number(error.response.headers.get("Retry-After")!) * 1000,
+      ).then(() => getEpisodesFromAniwatch(aniListId));
+    }
+
     console.error(
       new Error(
         `Error trying to load episodes from aniwatch; aniListId: ${aniListId}`,