public HttpResponseMessage UpdateProducts([FromUri] string email, List <Product> products)
{
ProductPurchased purchased = new ProductPurchased();
Product product;
decimal count = 0;
if (products == null)
{
return(Request.CreateResponse(HttpStatusCode.BadRequest, ModelState));
}
Sale sale = new Sale();
sale.SaleDate = DateTime.Today;
sale.Email = email;
db.Sales.Add(sale);
foreach (var items in products)
{
sale.TotalAmount += items.InventoryCount * items.Price;
}
foreach (var item in products)
{
product = db.Products.Find(item.ProductId);
product.InventoryCount = product.InventoryCount - item.InventoryCount;
purchased.ProductId = item.ProductId;
purchased.Quantity = item.InventoryCount;
purchased.SaleId = sale.SaleId;
db.ProductPurchased.Add(purchased);
//db.Entry(product).State = EntityState.Modified;
//db.Entry(purchased).State = EntityState.Modified;
//db.Entry(sale).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
if (!ProductExists(item.ProductId))
{
return(Request.CreateResponse(HttpStatusCode.NoContent));
}
else
{
throw;
}
}
}
return(Request.CreateResponse(HttpStatusCode.OK));
}
public static void OnProductPurchased(ProductData data) => ProductPurchased?.Invoke(data);