public static IOrderProcessor CreateOrderProcessor(ProductType productType, IOrderProcessorModel orderProcessorModel)
{
IOrderProcessor orderProcessor = null;
switch (productType)
{
case ProductType.Book:
orderProcessor = new BookProcessor();
break;
case ProductType.PhysicalProduct:
orderProcessor = new PhysicalProductProcessor();
break;
case ProductType.ExistingMembership:
case ProductType.NewMembership:
orderProcessor = new MembershipProcessor(orderProcessorModel);
break;
case ProductType.Video:
orderProcessor = new VideoProcessor(orderProcessorModel);
break;
}
return(orderProcessor);
}
static void Main(string[] args)
{
Console.WriteLine("Enter the product type to proceed");
Console.WriteLine("1. Physical Product\n" +
"2. Book\n" +
"3. Activation of Membership\n" +
"4. Upgrading the Existing membership\n" +
"5. \"Learning to Ski\" video");
Console.WriteLine("Press 0 to exit.");
string enteredValue = Console.ReadLine();
while (enteredValue != "0")
{
if (int.TryParse(enteredValue, out int intResult))
{
if (Enum.IsDefined(typeof(ProductType), intResult))
{
ProductType productType = (ProductType)intResult;
IOrderProcessorModel orderProcessorModel = null;
switch (productType)
{
case ProductType.Video:
orderProcessorModel = ModelBuilder.CreateVideoProcessorModel(Constants.LEARNING_TO_SKI);
break;
case ProductType.NewMembership:
case ProductType.ExistingMembership:
orderProcessorModel = ModelBuilder.CreateMembershipProcessorModel(productType);
break;
}
OrderHandler orderHandler = new OrderHandler(productType, orderProcessorModel);
bool isSuccess = orderHandler.HandleOrder();
if (!isSuccess)
{
Console.WriteLine("Order couldn't be completed due to system issue.");
}
}
else
{
Console.WriteLine("Entered value is not a valid product type.");
}
}
else
{
Console.WriteLine("Entered value is not a number.");
}
enteredValue = Console.ReadLine();
}
}
public OrderHandler(ProductType productType, IOrderProcessorModel orderProcessorModel)
{
_productType = productType;
_orderProcessorModel = orderProcessorModel;
}
public VideoProcessor(IOrderProcessorModel orderProcessorModel)
{
_videoProcessorModel = (VideoProcessorModel)orderProcessorModel;
}
public MembershipProcessor(IOrderProcessorModel orderProcessorModel)
{
_membershipModel = (MembershipProcessorModel)orderProcessorModel;
}
