/// <summary>
/// Publish a mesage to Azure Service Bus
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="payload">The message</param>
/// <param name="eventEnum">Enum representing message type</param>
/// <param name="correlationToken">Unique value passed with request for tracking</param>
/// <returns></returns>
public async Task Publish <T>(T payload, MessageEventEnum eventEnum, string correlationToken)
{
try
{
var jsonMessage = JsonConvert.SerializeObject(payload);
var message = new Message
{
MessageId = new Guid().ToString(),
Body = Encoding.UTF8.GetBytes(jsonMessage),
UserProperties =
{
{ "Event", eventEnum.ToString() },
{ "correlationToken", correlationToken }
}
};
var topicClient = _serviceBusPersisterConnection.CreateModel();
await topicClient.SendAsync(message);
}
catch (Exception ex)
{
_logger = ServiceProvider.GetService <ILogger <EventBusServiceBus> >();
_logger.LogError(new EventId(ex.HResult),
ex,
"Exception throw in Event.Publish for {eventType} : {message}", eventEnum, ex.Message);
throw;
}
}
/// <summary>
/// Regsiter Service Event Type
/// </summary>
/// <param name="eventName">Enum Representation of Event</param>
/// <param name="eventType">Type of the underlying Event</param>
public void Subscribe(MessageEventEnum eventName, Type eventType)
{
// Ensure that eventType implements IIntegratedEventHandler
if (!typeof(IIntegratedEventHandler).IsAssignableFrom(eventType))
{
throw new ArgumentException($"{eventType} is not valid agrument for EventBus.Subscribe");
}
// Make sure that the IServiceProvider property has been set
if (ServiceProvider == null)
{
throw new MissingFieldException("IServiceProvider must be set in EventBus");
}
_handlers.Add(eventName, eventType);
}
