Add unavailable repsonse helper

Author: hirsch88

src/core/api/extendExpressResponse.ts

@@ -64,6 +64,15 @@ export const extendExpressResponse = (req: myExpress.Request, res: myExpress.Res
         return res.json(bodyFailed(message, error));
     };
 
+    /**
+     * 503 - Service Unavailable
+     * This is used when a service is unavailable
+     */
+    res.unavailable = () => {
+        res.status(503);
+        return res.json(bodyFailed('Service unavailable'));
+    };
+
     next();
 };
 

src/types/my-express.d.ts

@@ -27,8 +27,9 @@ declare namespace myExpress {
         created<T>(data: T, options?: ResponseOptions): void;
         found<T>(data: T, options?: ResponseOptions): void;
         updated<T>(data: T, options?: ResponseOptions): void;
-        destroyed<T>(options?: ResponseOptions): void;
-        failed<T>(status: number, message: string, error?: any): void;
+        destroyed(options?: ResponseOptions): void;
+        failed(status: number, message: string, error?: any): void;
+        unavailable(): void;
     }
 
     interface ResponseOptions {