feat: Centralize Anilist GraphQL queries, generalize Durable Object for multiple operations with caching, and add new controllers for search, popular titles, user data, and episode tracking.

src/controllers/search/anilist.ts

@@ -1,69 +1,46 @@
-import { graphql } from "gql.tada";
-import { GraphQLClient } from "graphql-request";
-
-import { sleep } from "~/libs/sleep";
-import { HomeTitleFragment } from "~/types/title/homeTitle";
-
-const SearchQuery = graphql(
-  `
-    query Search($query: String!, $page: Int!, $limit: Int!) {
-      Page(page: $page, perPage: $limit) {
-        media(
-          search: $query
-          type: ANIME
-          sort: [POPULARITY_DESC, SCORE_DESC]
-        ) {
-          ...HomeTitle
-        }
-        pageInfo {
-          hasNextPage
-        }
-      }
-    }
-  `,
-  [HomeTitleFragment],
-);
+import { env } from "cloudflare:workers";
 
 export async function fetchSearchResultsFromAnilist(
   query: string,
   page: number,
   limit: number,
 ): Promise<SearchResultsResponse | undefined> {
-  const client = new GraphQLClient("https://graphql.anilist.co/");
+  const durableObjectId = env.ANILIST_DO.idFromName("GLOBAL");
+  const stub = env.ANILIST_DO.get(durableObjectId);
 
-  return client
-    .request(SearchQuery, { page, query, limit })
-    .then((data) => data?.Page)
-    .then((page) => {
-      if (!page || page.media?.length === 0) {
-        return undefined;
-      }
+  const response = await stub.fetch("http://anilist-do/graphql", {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+    },
+    body: JSON.stringify({
+      operationName: "Search",
+      variables: { query, page, limit },
+    }),
+  });
+
+  if (!response.ok) {
+    return undefined;
+  }
+
+  const data = (await response.json()) as any;
+  if (!data || data.media?.length === 0) {
+    return undefined;
+  }
+
+  const { media: results, pageInfo } = data;
+  return {
+    results: results?.map((result: any) => {
+      if (!result) return null;
 
-      const { media: results, pageInfo } = page;
       return {
-        results: results?.map((result) => {
-          if (!result) return null;
-
-          return {
-            id: result.id,
-            title: result.title?.userPreferred ?? result.title?.english,
-            coverImage: result.coverImage,
-          };
-        }),
-        hasNextPage: pageInfo?.hasNextPage,
+        id: result.id,
+        title: result.title?.userPreferred ?? result.title?.english,
+        coverImage: result.coverImage,
       };
-    })
-    .catch((err) => {
-      const response = err.response;
-      if (response.status === 429) {
-        console.log("429, retrying in", response.headers.get("Retry-After"));
-        return sleep(Number(response.headers.get("Retry-After")!) * 1000).then(
-          () => fetchSearchResultsFromAnilist(query, page, limit),
-        );
-      }
-
-      throw err;
-    });
+    }),
+    hasNextPage: pageInfo?.hasNextPage,
+  };
 }
 
 type SearchResultsResponse = {