public async Task HandleAsync(IEvent message, ulong deliveryTag, IEventAckNack eventAckNack)
{
SendEmailCommand command;
try
{
command = message.Payload.ObjectDeserializer <SendEmailCommand>();
}
catch (Exception ex)
{
_logger?.LogError("could not deserialize payload");
_logger?.LogCritical(ex, ex.Message);
throw new HandlingMinimumRequirementsFailedException("could not deserialize payload", ex);
}
if (!SendEmailValidation.ValidationCommand(command, _logger))
{
throw new HandlingMinimumRequirementsFailedException("validation information is not valid");
}
Console.WriteLine(
$"Send Email To :{command?.Email} with Subject: {command?.Subject} and Message: {command?.Message}");
eventAckNack.Ack(deliveryTag);
}
public async Task DispatchAsync(IEvent message, string exchange, IEventAckNack ack)
{
ulong deliveryTag = message.GetContext <ulong>("deliveryTag");
if (string.IsNullOrWhiteSpace(message.Payload))
{
_logger?.LogError(
$"empty payload received from {message.RoutingKey}");
ack.Nack(deliveryTag, false);
return;
}
var handler = _handlers
.SingleOrDefault(hc => hc.Key.Equals(exchange))
.Value;
if (handler != null && handler.CanHandle(message))
{
try
{
await handler.HandleAsync(message, deliveryTag, ack);
return;
}
catch (HandlingMinimumRequirementsFailedException ex)
{
_logger?.LogError(ex, ex.Message);
ack.Nack(deliveryTag, false);
return;
}
catch (System.Exception ex)
{
_logger?.LogError(ex, ex.Message);
throw;
}
}
throw new CouldNotFindAnyHandlerException(
$"non of handlers could not handle this type of event: {message.Payload}");
}
