public Task <AsyncTaskResult> HandleAsync(SeatsReservationCommitted evnt)
{
return(_messagePublisher.PublishAsync(new SeatsReservationCommittedMessage
{
ConferenceId = evnt.AggregateRootId,
ReservationId = evnt.ReservationId
}));
}
public Task HandleAsync(SeatsReservationCommitted evnt)
{
return(TryTransactionAsync(async(connection, transaction) =>
{
var effectedRows = await connection.UpdateAsync(new
{
Version = evnt.Version,
EventSequence = evnt.Sequence
}, new
{
Id = evnt.AggregateRootId,
Version = evnt.Version - 1
}, ConfigSettings.ConferenceTable, transaction);
if (effectedRows == 1)
{
var tasks = new List <Task>();
//删除预定记录
tasks.Add(connection.DeleteAsync(new
{
ConferenceId = evnt.AggregateRootId,
ReservationId = evnt.ReservationId
}, ConfigSettings.ReservationItemsTable, transaction));
//更新位置的数量
foreach (var seatQuantity in evnt.SeatQuantities)
{
tasks.Add(connection.UpdateAsync(new
{
Quantity = seatQuantity.Quantity
}, new
{
ConferenceId = evnt.AggregateRootId,
Id = seatQuantity.SeatTypeId
}, ConfigSettings.SeatTypeTable, transaction));
}
await Task.WhenAll(tasks);
}
}));
}
private void OnSeatsReservationCommitted(SeatsReservationCommitted e)
{
pendingReservations.Remove(e.ReservationId);
}
private void OnReservationCommitted(SeatsReservationCommitted @event) => _pendingReservations.Remove(@event.ReservationId);