fix: handle case where message id may not exist

src/controllers/watch-status/index.ts

@@ -99,9 +99,11 @@ app.openapi(route, async (c) => {
           env<Env, typeof c>(c, "workerd"),
           titleId,
         );
+        if (messageId) {
           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);

src/models/titleMessages.ts

@@ -15,12 +15,15 @@ export function setTitleMessage(env: Env, titleId: number, messageId: string) {
     });
 }
 
-export function getTitleMessage(env: Env, titleId: number) {
+export function getTitleMessage(
+  env: Env,
+  titleId: number,
+): Promise<string | null> {
   return getDb(env)
     .select()
     .from(titleMessagesTable)
     .where(eq(titleMessagesTable.titleId, titleId))
-    .then((results) => results[0].messageId);
+    .then((results) => results[0]?.messageId);
 }
 
 export function deleteTitleMessage(env: Env, titleId: number) {