public static async Task Handle(CancelRegistrationEvent cancelRegistrationEvent)
{
var dl = new HandlerDataLayer();
var conference = await dl.GetConferenceItemById(cancelRegistrationEvent.ConferenceId);
var registration = conference.Attendees.First(x => x.RegistrationId == cancelRegistrationEvent.RegistrationId);
var item = await dl.GetAttendeeListItemByEmail(registration.Email);
item.Count--;
await dl.SaveAttendeeListItem(item);
}
public IEnumerable <EventBase> Handle(CancelRegistration command)
{
var cancelRegistrationEvent = new CancelRegistrationEvent
{
Id = Guid.NewGuid(),
ConferenceId = command.ConferenceId,
RegistrationId = command.RegistrationId,
Reason = command.Reason
};
yield return(cancelRegistrationEvent);
}
public static async Task Handle(CancelRegistrationEvent cancelRegistrationEvent)
{
var dl = new HandlerDataLayer();
var conference = await dl.GetConferenceItemById(cancelRegistrationEvent.ConferenceId);
var attendee = conference.Attendees.FirstOrDefault(x => x.RegistrationId == cancelRegistrationEvent.RegistrationId);
if (attendee != null)
{
conference.Attendees.Remove(attendee);
}
await dl.SaveConferenceItem(conference);
}