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/internal/upcoming-titles/anilist.ts

@@ -1,5 +1,4 @@
-import { graphql } from "gql.tada";
-import { GraphQLClient } from "graphql-request";
+import { env } from "cloudflare:workers";
 import type { HonoRequest } from "hono";
 import { DateTime } from "luxon";
 
@@ -7,38 +6,6 @@ import { maybeScheduleNextAiringEpisode } from "~/libs/maybeScheduleNextAiringEp
 import { getValue, setValue } from "~/models/kv";
 import { filterUnreleasedTitles } from "~/models/unreleasedTitles";
 import type { Title } from "~/types/title";
-import { MediaFragment } from "~/types/title/mediaFragment";
-
-const GetUpcomingTitlesQuery = graphql(
-  `
-    query GetUpcomingTitles(
-      $page: Int!
-      $airingAtLowerBound: Int!
-      $airingAtUpperBound: Int!
-    ) {
-      Page(page: $page) {
-        airingSchedules(
-          notYetAired: true
-          sort: TIME
-          airingAt_lesser: $airingAtUpperBound
-          airingAt_greater: $airingAtLowerBound
-        ) {
-          id
-          airingAt
-          timeUntilAiring
-          episode
-          media {
-            ...Media
-          }
-        }
-        pageInfo {
-          hasNextPage
-        }
-      }
-    }
-  `,
-  [MediaFragment],
-);
 
 type AiringSchedule = {
   media: Title;
@@ -49,7 +16,9 @@ type AiringSchedule = {
 };
 
 export async function getUpcomingTitlesFromAnilist(req: HonoRequest) {
-  const client = new GraphQLClient("https://graphql.anilist.co/");
+  const durableObjectId = env.ANILIST_DO.idFromName("GLOBAL");
+  const stub = env.ANILIST_DO.get(durableObjectId);
+
   const lastCheckedScheduleAt = await getValue("schedule_last_checked_at").then(
     (value) => (value ? Number(value) : DateTime.now().toUnixInteger()),
   );
@@ -61,21 +30,38 @@ export async function getUpcomingTitlesFromAnilist(req: HonoRequest) {
   let shouldContinue = true;
 
   do {
-    const { Page } = await client.request(GetUpcomingTitlesQuery, {
-      page: currentPage++,
-      airingAtLowerBound: lastCheckedScheduleAt,
-      airingAtUpperBound: twoDaysFromNow,
+    const response = await stub.fetch("http://anilist-do/graphql", {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+      },
+      body: JSON.stringify({
+        operationName: "GetUpcomingTitles",
+        variables: {
+          page: currentPage++,
+          airingAtLowerBound: lastCheckedScheduleAt,
+          airingAtUpperBound: twoDaysFromNow,
+        },
+      }),
     });
 
-    const { airingSchedules, pageInfo } = Page!;
+    if (!response.ok) {
+      // If failed, break loop or handle error. For now, break.
+      break;
+    }
+
+    const Page = (await response.json()) as any;
+    if (!Page) break;
+
+    const { airingSchedules, pageInfo } = Page;
     plannedToWatchTitles = plannedToWatchTitles.union(
       await filterUnreleasedTitles(
-        airingSchedules!.map((schedule) => schedule!.media?.id!),
+        airingSchedules!.map((schedule: any) => schedule!.media?.id!),
       ),
     );
     scheduleList = scheduleList.concat(
       airingSchedules!.filter(
-        (schedule): schedule is AiringSchedule =>
+        (schedule: any): schedule is AiringSchedule =>
           !!schedule &&
           !plannedToWatchTitles.has(schedule.media?.id) &&
           schedule.media?.countryOfOrigin === "JP" &&