refactor: move getWatchingTitles to AniList Durable Object

introduces caching to that method

src/libs/anilist/anilist-do.ts

@@ -12,6 +12,7 @@ import {
   GetUpcomingTitlesQuery,
   GetUserProfileQuery,
   GetUserQuery,
+  GetWatchingTitlesQuery,
   MarkEpisodeAsWatchedMutation,
   MarkTitleAsWatchedMutation,
   NextSeasonPopularQuery,
@@ -260,6 +261,33 @@ export class AnilistDurableObject extends DurableObject {
     return data?.SaveMediaListEntry;
   }
 
+  async getTitles(
+    userName: string,
+    page: number,
+    statusFilters: (
+      | "CURRENT"
+      | "COMPLETED"
+      | "PLANNING"
+      | "DROPPED"
+      | "PAUSED"
+      | "REPEATING"
+    )[],
+    aniListToken: string,
+  ) {
+    return await this.handleCachedRequest(
+      `titles:${JSON.stringify({ page, statusFilters })}`,
+      async () => {
+        const data = await this.fetchFromAnilist(
+          GetWatchingTitlesQuery,
+          { userName, page, statusFilters },
+          aniListToken,
+        );
+        return data?.Page;
+      },
+      60 * 60 * 1000,
+    );
+  }
+
   // Helper to handle caching logic
   async handleCachedRequest(
     key: string,

src/libs/anilist/queries.ts

@@ -266,3 +266,36 @@ export const NextSeasonPopularQuery = graphql(
   `,
   [HomeTitleFragment],
 );
+
+export const GetWatchingTitlesQuery = graphql(
+  `
+    query GetWatchingTitles(
+      $userName: String!
+      $page: Int!
+      $statusFilters: [MediaListStatus!]
+    ) {
+      Page(page: $page, perPage: 50) {
+        mediaList(
+          userName: $userName
+          type: ANIME
+          sort: UPDATED_TIME_DESC
+          status_in: $statusFilters
+        ) {
+          media {
+            ...Media
+            mediaListEntry {
+              updatedAt
+            }
+          }
+        }
+        pageInfo {
+          currentPage
+          hasNextPage
+          perPage
+          total
+        }
+      }
+    }
+  `,
+  [MediaFragment],
+);