/// <summary>
/// This validates the input and if OK creates
/// an order and calls the _dbAccess to add to orders
/// </summary>
/// <param name="dto"></param>
/// <returns>returns an Order. Will be null if there are errors</returns>
public Order BizAction(PlaceOrderInDto dto)
{
if (!dto.AcceptTAndCs)
{
AddError("You must accept the T&Cs to place an order.");
return(null);
}
if (!dto.LineItems.Any())
{
AddError("No items in your basket.");
return(null);
}
var booksDict = _dbAccess.FindBooksByIdsWithPriceOffers
(dto.LineItems.Select(x => x.BookId));
var order = new Order
{
CustomerName = dto.UserId,
ExpectedDeliveryDate = DateTime.Today.AddDays(5),
LineItems = FormLineItemsWithErrorChecking(dto.LineItems, booksDict)
};
if (!HasErrors)
{
_dbAccess.Add(order);
}
return(HasErrors ? null : order);
}
/// <summary>
/// This validates the input and if OK creates
/// an order and calls the _dbAccess to add to orders
/// </summary>
/// <param name="dto"></param>
/// <returns>returns an Order. Will be null if there are errors</returns>
public Order Action(PlaceOrderInDto dto) //#D
{
if (!dto.AcceptTAndCs) //#E
{ //#E
AddError( //#E
"You must accept the T&Cs to place an order."); //#E
return(null); //#E
} //#E
if (!dto.LineItems.Any()) //#E
{ //#E
AddError("No items in your basket."); //#E
return(null); //#E
} //#E
var booksDict = //#F
_dbAccess.FindBooksByIdsWithPriceOffers //#F
(dto.LineItems.Select(x => x.BookId)); //#F
var order = new Order //#G
{ //#G
CustomerName = dto.UserId, //#G
LineItems = //#G
FormLineItemsWithErrorChecking //#G
(dto.LineItems, booksDict) //#G
}; //#G
if (!HasErrors) //#H
{
_dbAccess.Add(order); //#H
}
return(HasErrors ? null : order); //#I
}
public Order Action(PlaceOrderInDto dto)
{
if (!dto.AcceptTAndCs)
{
AddError("You must accept the T&Cs to place an order.");
return(null);
}
if (dto.LineItems.Count == 0)
{
AddError("No items in your basket.");
return(null);
}
var bookIds = dto.LineItems.Select(lineItem => lineItem.BookId);
//to present the data as an in-memory set(in this case, a dictionary)
var booksDict = dbAccess.FindBooksByIdsWithPriceOffers(bookIds);
var order = new Order
{
CustomerName = dto.UserId,
LineItems = FormLineItemsWithErrorChecking(dto.LineItems, booksDict)
};
if (!HasErrors)
{
dbAccess.Add(order);
}
return(HasErrors ? null : order);
}
public Order Action(Part1ToPart2Dto dto)
{
var bookIds = dto.LineItems.Select(lineItem => lineItem.BookId);
var booksDict = dbAccess.FindBooksByIdsWithPriceOffers(bookIds);
dto.Order.LineItems = FormLineItemsWithErrorChecking(dto.LineItems, booksDict);
return(HasErrors ? null : dto.Order);
}