public void ToOrderedChangeEvent_Should_ReturnChangeForEachItem()
{
var product = ProductFactory.GetProduct("0");
product.Price.Should().BeApproximately(1.0, 0.000001);
var changes = ProductFactory.GetProductPriceChanges(product.Id);
var actual = ChangeFactory.ToOrderedChangeEvent <Product, ProductPriceChange, string, double, DateTime>(
x => x.Price,
0.8,
changes,
x => x.Id,
x => x.Price,
x => x.ChangeDate).ToList();
Assert.Equal(changes.Count, actual.Count);
var change1 = actual[0];
var change2 = actual.Last();
change1.Revert(product);
product.Price.Should().BeApproximately(0.8, 0.000001);
change2.Apply(product);
product.Price.Should().BeApproximately(changes.Last().Price, 0.000001);
}
internal static List <IEvent <Product, string> > GetChanges(Guid itemId)
{
var priceChanges = ProductFactory.GetProductPriceChanges(itemId).ToList();
var stockMutationChanges = ProductFactory.GetProductStockMutations(itemId).ToList();
var changes = ChangeFactory.ToOrderedChangeEvent <Product, ProductPriceChange, string, double, DateTime>(
x => x.Price,
0,
priceChanges,
x => x.Id,
x => x.Price,
x => x.ChangeDate).Cast <IEvent <Product, string> >().ToList();
changes.AddRange(MutationFactory.ToMutationEvent <Product, ProductStockMutation, string, int>(
x => x.Available,
stockMutationChanges,
x => x.Id,
x => x.ApplyableAmount).Cast <IEvent <Product, string> >());
changes.AddRange(MutationFactory.ToOrderedMutationEvent <Product, ProductStockMutation, string, int, DateTime>(
x => x.InStock,
stockMutationChanges,
x => x.Id,
x => x.ApplyableAmount,
x => x.DeliveryDate.Date).Cast <IEvent <Product, string> >());
return(changes);
}
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]);
}