public static async Task <DL.Models.Product> GetProduct(Guid productId, DateTimeOffset referenceDate)
{
DL.Models.Product result = null;
if (!ProductStocks.ContainsKey(productId))
{
await _loadLock.WaitAsync().ConfigureAwait(false);
try
{
result = await LoadProduct(productId).ConfigureAwait(false);
SetProductState(result, referenceDate);
return(result);
}
catch (Exception exception)
{
// Log exception
throw;
}
finally
{
_loadLock.Release();
}
}
return(result);
}
internal static DL.Models.Product SetProduct(ProductStock.DL.Models.Product product)
{
if (!ProductStocks.ContainsKey(product.Id))
{
ProductStocks.Add(product.Id, product);
var result = new DL.Models.Product(product.Id, product.Number, product.Description);
Products.Add(product.Id, result);
var priceChanges = ChangeFactory.ToOrderedChangeEvent <
DL.Models.Product,
ProductStock.DL.Models.ProductPrice,
Guid,
double,
DateTimeOffset>(
x => x.Price,
0,
product.Prices,
x => x.Id,
x => x.Price,
x => x.RegisterDate).
Cast <IEvent <DL.Models.Product, Guid> >().ToList();
var stockAvailableMutations = MutationFactory.ToOrderedMutationEvent <
DL.Models.Product,
ProductStock.DL.Models.ProductStockMutation,
Guid,
int,
DateTimeOffset>(
x => x.Available,
product.StockMutations,
x => x.Id,
x => x.Amount * (x.Type == ProductStock.DL.Enums.MutationType.Purchase ? -1 : 1),
x => x.OrderDate).Cast <IEvent <DL.Models.Product, Guid> >().ToList();
var stockInStockMutations = MutationFactory.ToOrderedMutationEvent <
DL.Models.Product,
ProductStock.DL.Models.ProductStockMutation,
Guid,
int,
DateTimeOffset>(
x => x.InStock,
product.StockMutations,
x => x.Id,
x => x.Amount * (x.Type == ProductStock.DL.Enums.MutationType.Purchase ? -1 : 1),
x => x.ShipmentDate).Cast <IEvent <DL.Models.Product, Guid> >().ToList();
AddEvents(product.Id, new OrderedEventCollection <DL.Models.Product, Guid, DateTimeOffset>(priceChanges.ToList()));
AddEvents(product.Id, new OrderedEventCollection <DL.Models.Product, Guid, DateTimeOffset>(stockAvailableMutations.ToList()));
AddEvents(product.Id, new OrderedEventCollection <DL.Models.Product, Guid, DateTimeOffset>(stockInStockMutations.ToList()));
return(result);
}
return(Products[product.Id]);
}
public static void SetProductState(DL.Models.Product product, DateTimeOffset referenceDate)
{
product.SetStateDate(referenceDate);
EventContainer.ApplyAll(product, referenceDate);
}
