PlantUML to draw.io Converter

PlantUML

@startuml
title E-Commerce Order Processing

actor Customer
participant "Web App" as Web
participant "Order Service" as Orders
participant "Payment Gateway" as Payment
database "Order DB" as DB
participant "Notification Service" as Notify

== Place Order ==

Customer -> Web : Add to cart
Customer -> Web : Checkout

Web -> Orders : createOrder(items, customer)
activate Orders

Orders -> DB : saveOrder(pending)
activate DB
DB --> Orders : orderId
deactivate DB

Orders -> Payment : processPayment(amount, card)
activate Payment

alt payment success
  Payment --> Orders : paymentConfirmed
  Orders -> DB : updateStatus(paid)
  Orders -> Notify : sendConfirmation(orderId)
  activate Notify
  Notify --> Customer : Order confirmation email
  deactivate Notify
  Orders --> Web : orderConfirmed(orderId)
else payment failed
  Payment --> Orders : paymentDeclined(reason)
  Orders -> DB : updateStatus(failed)
  Orders --> Web : orderFailed(reason)
  Web --> Customer : Payment error message
end

deactivate Payment
deactivate Orders

== Delivery ==

Customer -> Web : confirmDelivery(orderId)
Web -> Orders : markDelivered(orderId)
Orders -> DB : updateStatus(delivered)
@enduml

draw.io Output

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