public override KombuchaSale Handle(KombuchaSale request)
{
if (request.SaleType == SaleType.InHouse)
{
_logger.LogInfo("Printing receipt for in-house order.", ConsoleColor.Green);
return(base.Handle(request));
}
if (request.SaleType != SaleType.Online)
{
return(base.Handle(request));
}
_logger.LogInfo("Emailing receipt for online order.", ConsoleColor.Green);
var emailReceipt = new EmailMessage("*****@*****.**", "Here's your receipt.");
if (request.SpecialMessages != null && request.SpecialMessages.Any())
{
foreach (var message in request.SpecialMessages)
{
emailReceipt.Content += $"| {message}";
}
}
var emailTask = _emailer.SendMessage(emailReceipt);
emailTask.Wait();
return(base.Handle(request));
}
/// <summary>
/// We run a company that brews and bottles kombucha. As part of our checkout process, bottles
/// of the product follow different paths depending on type of sale initiated.
/// We have several business processes to consider as part of our process,
/// including accepting in-store and online orders. We also have an Awards Program which
/// we'd like to promote to non-Awards members only. Here we use the Chain of Responsibility
/// Pattern to process each stage of the sale accordingly.
/// </summary>
private static void Main()
{
var logger = new ConsoleLogger();
logger.LogInfo("🍾 Welcome to the Kombucha Checkout System!");
var emailer = new Emailer(logger);
var cartonizer = new Cartonizer(logger);
var customerLoyalty = new CustomerLoyaltyHandler(logger);
var receiptPrinter = new ReceiptPrinter(emailer, logger);
var shippingLabeler = new ShippingLabelPrinter(logger);
cartonizer
.SetNext(customerLoyalty)
.SetNext(shippingLabeler)
.SetNext(receiptPrinter);
logger.LogInfo("Process: Cartonize > Loyalty Program > Shipping Labels > Receipt", ConsoleColor.Blue);
logger.LogInfo("----------------------------------------------------------------", ConsoleColor.DarkBlue);
var request = new KombuchaSale();
logger.LogInfo("Are you a rewards member? (y/n)", ConsoleColor.Blue);
var isRewardsMember = Console.ReadLine();
if (isRewardsMember != null && isRewardsMember.ToLower() == "y")
{
request.CustomerType = CustomerType.RewardsMember;
}
else
{
request.CustomerType = CustomerType.WalkIn;
}
logger.LogInfo("Is this an online order? (y/n)", ConsoleColor.Blue);
var isOnlineOrder = Console.ReadLine();
if (isOnlineOrder != null && isOnlineOrder.ToLower() == "y")
{
request.SaleType = SaleType.Online;
}
else
{
request.SaleType = SaleType.InHouse;
}
cartonizer.Handle(request);
}
public override KombuchaSale Handle(KombuchaSale request)
{
if (request.SaleType == SaleType.InHouse)
{
return(base.Handle(request));
}
if (request.SaleType == SaleType.Online)
{
_logger.LogInfo("Printing shipping label for online order.", ConsoleColor.Green);
return(base.Handle(request));
}
return(base.Handle(request));
}
public override KombuchaSale Handle(KombuchaSale request)
{
if (request.SaleType == SaleType.InHouse)
{
return(base.Handle(request));
}
if (request.SaleType != SaleType.Online)
{
return(base.Handle(request));
}
_logger.LogInfo("Cartonizing online order.", ConsoleColor.Green);
return(base.Handle(request));
}
public override KombuchaSale Handle(KombuchaSale request)
{
if (request.CustomerType == CustomerType.RewardsMember)
{
_logger.LogInfo("Adding rewards point for purchase!", ConsoleColor.Green);
return(base.Handle(request));
}
if (request.CustomerType != CustomerType.RewardsMember)
{
_logger.LogInfo("Adding advertisement to request.", ConsoleColor.Green);
request.SpecialMessages.Add("Have you heard about our Rewards Program?");
return(base.Handle(request));
}
Console.ResetColor();
return(base.Handle(request));
}
public virtual KombuchaSale Handle(KombuchaSale request)
{
return(_nextHandler?.Handle(request));
}
