feat: schedule next airing episode

happens when new title is saved, or when new episode internal route is run successfully

src/controllers/watch-status/index.ts

@@ -1,8 +1,11 @@
 import { OpenAPIHono, createRoute, z } from "@hono/zod-openapi";
+import { Client } from "@upstash/qstash";
 import { env } from "hono/adapter";
 
+import { maybeScheduleNextAiringEpisode } from "~/libs/maybeScheduleNextAiringEpisode";
 import { verifyQstashHeader } from "~/libs/qstash/verifyQstashHeader";
 import { readEnvVariable } from "~/libs/readEnvVariable";
+import { deleteTitleMessage, getTitleMessage } from "~/models/titleMessages";
 import { setWatchStatus } from "~/models/watchStatus";
 import type { Env } from "~/types/env";
 import {
@@ -71,6 +74,7 @@ app.openapi(route, async (c) => {
     isRetrying = false,
   } = await c.req.json<typeof UpdateWatchStatusRequest._type>();
   const aniListToken = c.req.header("X-AniList-Token");
+  const client = new Client({ token: readEnvVariable(c.env, "QSTASH_TOKEN") });
 
   if (isRetrying) {
     if (!(await verifyQstashHeader(env<Env, typeof c>(c, "workerd"), c.req))) {
@@ -84,6 +88,20 @@ app.openapi(route, async (c) => {
         Number(titleId),
         watchStatus,
       );
+      if (wasAdded) {
+        await maybeScheduleNextAiringEpisode(
+          env<Env, typeof c>(c, "workerd"),
+          c.req,
+          titleId,
+        );
+      } else if (wasDeleted) {
+        const messageId = await getTitleMessage(
+          env<Env, typeof c>(c, "workerd"),
+          titleId,
+        );
+        await client.messages.delete(messageId);
+        await deleteTitleMessage(env<Env, typeof c>(c, "workerd"), titleId);
+      }
     } catch (error) {
       console.error(new Error("Error setting watch status", { cause: error }));
       console.error(error);
@@ -101,19 +119,12 @@ app.openapi(route, async (c) => {
     console.error(
       new Error("Failed to update watch status on Anilist", { cause: error }),
     );
-    await import("@upstash/qstash")
-      .then(
-        ({ Client }) =>
-          new Client({ token: readEnvVariable(c.env, "QSTASH_TOKEN") }),
-      )
-      .then((client) =>
-        client.publishJSON({
-          url: c.req.url,
-          body: { deviceId, watchStatus, titleId, isRetrying: true },
-          retries: 0,
-          delay: 60,
-        }),
-      );
+    client.publishJSON({
+      url: c.req.url,
+      body: { deviceId, watchStatus, titleId, isRetrying: true },
+      retries: 0,
+      delay: 60,
+    });
   }
 
   return c.json(SuccessResponse, { status: 200 });