public void PublishCreditApprovedEvent(CreditApprovedEvent @event)
{
var message = JsonConvert.SerializeObject(@event);
var headers = new Dictionary <string, object>();
headers.Add("type", "CreditApprovedEvent");
_publisher.Publish(message: message, routingKey: "customer.events", headers);
}
public async Task Handle(CreditApprovedEvent @event)
{
Console.WriteLine("CreditApprovedEvent");
// get order by id
var order = await _orderService.GetOrderById(@event.OrderId);
// update status to approved
order.Status = "APPROVED";
// save order
await _orderService.UpdateOrderById(@event.OrderId, order);
}
public async Task Handle(OrderCreatedEvent @event)
{
// get customer by id (service)
var customer = await _customerService.GetCustomerById(@event.CustomerId);
if (customer != null)
{
// check if total credit <= available credit (method)
if (customer.AvailableCredit >= @event.TotalCredit)
{
// TODO remove totalCredit from AvailableCredit.
var creditApprovedEvent = new CreditApprovedEvent
(
id: Guid.NewGuid(),
timeStamp: DateTime.Now,
orderId: @event.OrderId
);
// send approved event
_publisher.PublishCreditApprovedEvent(creditApprovedEvent);
}
else
{
var creditRejectedEvent = new CreditRejectedEvent
(
id: Guid.NewGuid(),
timeStamp: DateTime.Now,
orderId: @event.OrderId
);
// send rejected event
_publisher.PublishCreditRejectedEvent(creditRejectedEvent);
}
}
else
{
Console.WriteLine($"Customer with {@event.CustomerId} does not exist!");
}
}
