public Task <AsyncTaskResult> HandleAsync(SpecificationsUpdatedEvent 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>();
//更新规格
foreach (var specification in evnt.Specifications)
{
tasks.Add(connection.UpdateAsync(new
{
Name = specification.Info.Name,
Value = specification.Info.Value,
Price = specification.Info.Price,
OriginalPrice = specification.Info.OriginalPrice,
Benevolence = specification.Info.Benevolence,
Stock = specification.Stock,
Number = specification.Info.Number,
Thumb = specification.Info.Thumb,
BarCode = specification.Info.BarCode,
AvailableQuantity = specification.Stock
}, new {
Id = specification.Id,
GoodsId = evnt.AggregateRootId
}, ConfigSettings.SpecificationTable, transaction));
}
Task.WaitAll(tasks.ToArray());
}
}));
}
private void Handle(SpecificationsUpdatedEvent evnt)
{
_specifications = evnt.Specifications;
}