Phase 11. 이메일 발송 환경 및 자동 발송

app/api/extension-requests/[id]/route.ts

@@ -8,6 +8,8 @@ import {
 import { ApiError } from "@/lib/errors";
 import { withApiHandler } from "@/lib/api-handler";
 import { logger } from "@/lib/logger";
+import { sendExtensionDoneEmail } from "@/lib/mail";
+import { formatDate } from "@/lib/utils";
 
 const CTX = "extension-requests/[id]";
 
@@ -38,7 +40,12 @@ export const PATCH = withApiHandler<{ id: string }>(
         id: maestroExtensionID,
         duration: Date.now() - t0,
       });
-      return NextResponse.json({ ok: true, ...result });
+      void sendExtensionDoneEmail(
+        result.maestroName,
+        result.maestroEmail,
+        formatDate(result.availableActivateDateTime)
+      );
+      return NextResponse.json({ ok: true, availableActivateDateTime: result.availableActivateDateTime });
     }
 
     await cancelExtensionRequest(maestroExtensionID);