refactor: replace qstash with Google Cloud Tasks

src/libs/maybeScheduleNextAiringEpisode.ts

@@ -1,7 +1,5 @@
-import { Client } from "@upstash/qstash";
 import type { HonoRequest } from "hono";
 
-import { setTitleMessage } from "~/models/titleMessages";
 import {
   addUnreleasedTitle,
   removeUnreleasedTitle,
@@ -9,8 +7,8 @@ import {
 import type { Env } from "~/types/env";
 
 import { getNextEpisodeTimeUntilAiring } from "./anilist/getNextEpisodeAiringAt";
-import { deleteMessageIdForTitle } from "./deleteMessageIdForTitle";
 import { getCurrentDomain } from "./getCurrentDomain";
+import { queueTask } from "./tasks/queueTask";
 
 export async function maybeScheduleNextAiringEpisode(
   env: Env,
@@ -26,24 +24,17 @@ export async function maybeScheduleNextAiringEpisode(
   if (!nextAiring) {
     if (status === "NOT_YET_RELEASED") {
       await addUnreleasedTitle(env, aniListId);
-    } else {
-      await deleteMessageIdForTitle(env, aniListId);
     }
 
     return;
   }
 
   const { airingAt, episode: nextEpisode } = nextAiring;
-  const client = new Client({ token: env.QSTASH_TOKEN });
-
-  const { messageId } = await client.publishJSON({
-    url: `${domain}/internal/new-episode`,
-    body: { aniListId, episodeNumber: nextEpisode },
-    retries: 3,
-    notBefore: airingAt,
-  });
-  await Promise.allSettled([
-    setTitleMessage(env, aniListId, messageId),
-    removeUnreleasedTitle(env, aniListId),
-  ]);
+  await queueTask(
+    env,
+    "new-episode",
+    { aniListId, episodeNumber: nextEpisode },
+    { req, scheduleConfig: { epochTime: airingAt } },
+  );
+  await removeUnreleasedTitle(env, aniListId);
 }