public Task <AsyncTaskResult> HandleAsync(SpecificationReservationCancelledEvent evnt)
{
return(_messagePublisher.PublishAsync(new SpecificationReservationCancelledMessage
(
evnt.AggregateRootId,
evnt.ReservationId
)));
}
public Task <AsyncTaskResult> HandleAsync(SpecificationReservationCancelledEvent 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.GoodsTable, transaction);
if (effectedRows == 1)
{
var tasks = new List <Task>();
//删除预定记录
tasks.Add(connection.DeleteAsync(new
{
GoodsId = evnt.AggregateRootId,
ReservationId = evnt.ReservationId
}, ConfigSettings.ReservationItemsTable, transaction));
//更新规格的可用数量
foreach (var specificationAvailableQuantity in evnt.SpecificationAvailableQuantities)
{
tasks.Add(connection.UpdateAsync(new
{
AvailableQuantity = specificationAvailableQuantity.AvailableQuantity
}, new
{
GoodsId = evnt.AggregateRootId,
Id = specificationAvailableQuantity.SpecificationId
}, ConfigSettings.SpecificationTable, transaction));
}
Task.WaitAll(tasks.ToArray());
}
}));
}
/// <summary>
/// 每个商品都会发送一个取消命令
/// </summary>
/// <param name="message"></param>
/// <returns></returns>
public Task <AsyncTaskResult> HandleAsync(SpecificationReservationCancelledEvent evnt)
{
return(_commandService.SendAsync(new CloseOrderCommand(evnt.ReservationId, evnt.AggregateRootId)));
}
private void Handle(SpecificationReservationCancelledEvent evnt)
{
_reservations.Remove(evnt.ReservationId);
}
