public string AddProduct(IList <string> parameters)
{
string productName;
decimal price;
string category;
PaymentMethodEnum paymentMethod;
decimal shippingDetailsCost = 0;
int shippingDetailsDeliveryTIme = 0;
decimal priceReduction;
bool shippingDetailsInUse = true;
try
{
//validation
productName = parameters[0].ToLower();
if (this.context.Products.Any(x => x.ProductName == productName))
{
return("Product already exists.");
}
price = decimal.Parse(parameters[1]);
if (price < 0)
{
throw new ArgumentException("Price cannot be negative.");
}
category = parameters[2].ToLower();
paymentMethod = (PaymentMethodEnum)Enum.Parse(typeof(PaymentMethodEnum), parameters[3], true);
if ((int)paymentMethod <= -1 || (int)paymentMethod >= 6)
{
throw new ArgumentOutOfRangeException("Invalid payment method.");
}
if (parameters[4] != "-1" && parameters[5] != "-1")
{
shippingDetailsCost = decimal.Parse(parameters[4]);
if (price < 0)
{
throw new ArgumentException("Shipping cost cannot be negative.");
}
shippingDetailsDeliveryTIme = int.Parse(parameters[5]);
if (price < 0)
{
throw new ArgumentException("Delivery time cannot be negative.");
}
}
else
{
shippingDetailsInUse = false;
}
priceReduction = decimal.Parse(parameters[6]);
if (price < 0)
{
throw new ArgumentException("Price reduction cannot be negative.");
}
}
catch
{
return("One or more parameters for the AddProduct command are invalid.");
}
Product product = this.modelFactory.CreateProduct();
product.ProductName = productName;
product.Price = price;
product.Date = DateTime.Now;
product.PaymentMethod = paymentMethod;
product.Instock = true;
product.SellerId = this.loggedUserProvider.CurrentUserId;
if (this.context.Categories.Any(x => x.CategoryName == category))
{
product.Categories.Add(this.context.Categories.First(x => x.CategoryName == category));
}
else
{
Category newCategory = this.modelFactory.CreateCategory();
newCategory.CategoryName = category;
product.Categories.Add(newCategory);
}
if (shippingDetailsInUse)
{
ShippingDetails newShippingDetails = modelFactory.CreateShippingDetails();
newShippingDetails.DeliveryTime = shippingDetailsDeliveryTIme;
newShippingDetails.Cost = shippingDetailsCost;
product.ShippingDetails = newShippingDetails;
}
if (priceReduction != -1)
{
Sale newSale = this.modelFactory.CreateSale();
newSale.PriceReduction = priceReduction;
product.Sale = newSale;
}
//this.context.Sellers.Single(s => s.UserId == this.loggedUserProvider.CurrentUserId)
// .Products.Add(product);
context.Products.Add(product);
context.SaveChanges();
this.writer.CleanScrean();
return("Product added succesfully.");
}