Webhook processing: 202 response with empty body (#76)

* Send a 202 response with an empty body

* Add return statement

* Return ok from service

* Return 202 with empty body

app/controllers/checkouts_controller.rb

@@ -51,6 +51,7 @@ def handle_shopper_redirect
   def adyen_webhooks
     notifications = params["notificationItems"]
     response = Checkout.adyen_webhooks(notifications)
-    render json: response
+    # Return 202 with empty body
+    render status: 202, body: ''
   end
 end

app/models/checkout.rb

@@ -58,9 +58,10 @@ def adyen_webhooks(notifications)
       if validator.valid_notification_hmac?(notification, hmacKey)
         puts notification["eventCode"]
         puts notification["merchantReference"]
-        "[accepted]"
+        # Send a 202 response with an empty body
+        "Ok"
       else
-        # In case of invalid hmac, do not send [accepted] response
+        # In case of invalid hmac
         raise "Invalid HMAC Signature"
       end
     end