//Questions for you, Teacher, and also to myself: Is it ok for the CalculateCost method to exist here?
//Where would you place it as a "best practise"?
//How can this method be written in order to DRY? With a foreach, perhaps? If so, how could i bring all the variations in a list?
//Calculating the total cost of a T-shirt
private static decimal CalculateCost(TShirt tshirt)
{
VariationCost variationTotalCost;
Console.WriteLine();
//Three VariationTotalCosts following different strategies
//Note : Shop customer-servise's view:
Console.WriteLine($"Cost before any variation is : { tshirt.Price }");
variationTotalCost = new VariationCost(new FabricVariation());
variationTotalCost.CalculateCostVariation(tshirt);
Console.WriteLine("Cost after the {1} variation is : {0:c}", tshirt.Price, tshirt.Fabric.GetType().Name);
variationTotalCost = new VariationCost(new SizeVariation());
variationTotalCost.CalculateCostVariation(tshirt);
Console.WriteLine("Cost after the {1} variation is : {0:c}", tshirt.Price, tshirt.Fabric.GetType().Name);
variationTotalCost = new VariationCost(new ColorVariation());
variationTotalCost.CalculateCostVariation(tshirt);
Console.WriteLine("Cost after the {1} variation is : {0:c}", tshirt.Price, tshirt.Fabric.GetType().Name);
Console.WriteLine();
Console.WriteLine();
return(tshirt.Price);
}
public static void EShopInterface()
{
Console.WriteLine("Welcome to the T-Shirt E-shop");
TShirt tshirt = CreateTShirt();
List <Variation> variations = new List <Variation>();
ColorVariation c = new ColorVariation();
SizeVariation s = new SizeVariation();
FabricVariation f = new FabricVariation();
variations.Add(c);
variations.Add(s);
variations.Add(f);
var basket = new EShopBasket();
basket.SetVariations(variations);
basket.CalculatePrice(tshirt);
basket.SetDueAmount(tshirt.Price);
Console.Write("How would you like to pay? 1) CreditCard, 2) Bank Transfer, 3) Cash: ");
var paymentType = int.Parse(Console.ReadLine().Trim());
var payments = new Payments();
bool success = payments.PayBasket(basket, paymentType);
Console.WriteLine(success);
Console.Read();
}
public static void EshopDemo()
{
List <Variation> variations = new List <Variation>()
{
new ColorVariation(),
new SizeVariation(),
new FabricVariation()
};
Console.WriteLine("Hello,What tshirt color u want?");
var colorInput = Console.ReadLine().Trim().ToUpper();
var color = SetColor(colorInput);
Console.WriteLine("How about Size?");
var sizeInput = Console.ReadLine().Trim().ToUpper();
var size = SetSize(sizeInput);
Console.WriteLine("Material?");
var fabricInput = Console.ReadLine().Trim().ToUpper();
var fabric = SetFabric(fabricInput);
Console.WriteLine("Choose Payment Method 1) Credit Card 2) Cash 3) Bank Transfer");
var paymentInput = Convert.ToInt32(Console.ReadLine().Trim());
var tShirt = new TShirt(color, size, fabric);
var eshop = new Eshop();
eshop.SetVariationStrategy(variations);
eshop.SelectPaymentMethod(paymentInput);
eshop.PayTShirt(tShirt);
}
//Print tshirt message on the console
private static void ShowCustomerTshirtVariationDetails(TShirt sampleTshirt)
{
Console.WriteLine();
Console.WriteLine("Hello, you have chosen this beautiful t-shirt. Its details are : ");
Console.WriteLine("Fabric : {0} , Size : {1}, Color : {2}", sampleTshirt.Fabric.ToString().ToLower(), sampleTshirt.Size.ToString(), sampleTshirt.Color.ToString().ToLower());
Console.WriteLine();
}
public void CalculatePrice(TShirt tshirt)
{
foreach (var variation in _variations)
{
Console.WriteLine($"Applying {variation.GetType().Name}");
variation.Cost(tshirt);
Console.WriteLine($"TShirt cost after applying {variation.GetType().Name} is: {tshirt.Price}");
}
}
public void PayTShirt(TShirt tshirt)
{
foreach (var variation in _variations)
{
Console.WriteLine($"Applying {variation.GetType().Name}");
variation.Cost(tshirt);
Console.WriteLine($"TShirt cost after applying {variation.GetType().Name} is: {tshirt.Price}");
}
_paymentMethod.Pay(tshirt.Price);
}
public void PayTShirt(TShirt tshirt)
{
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("\n\n\nT-SHIRT PAYMENT PROGRESS");
Console.ForegroundColor = ConsoleColor.White;
foreach (var variation in _variations)
{
Console.WriteLine($"\nApplying {variation.GetType().Name}");
variation.Cost(tshirt);
Console.WriteLine($"TShirt cost after applying {variation.GetType().Name} is: {tshirt.Price}$ ");
}
_paymentMethod.Pay(tshirt.Price);
}
//Letting the user know about the tshirt details
public static decimal CommunicateWithCustomerAboutTshirt()
{
// Suppose a customer added a T-shirt to his wish list
TShirt sampleTshirt = new TShirt(Color.BLUE, Size.L, Fabric.CASHMERE);
ShowCustomerTshirtVariationDetails(sampleTshirt);
//calculate the price of the tshirt
Console.ForegroundColor = ConsoleColor.Cyan;
Console.Write("An authorized user sees these details: ");
var amount = TotalTshirtCost.CalculateCost(sampleTshirt);
Console.ForegroundColor = ConsoleColor.White;
return(amount);
}
public override decimal Cost(TShirt tshirt)
{
switch (tshirt.Color)
{
case Color.BLUE:
tshirt.Price += 0.5m;
break;
case Color.GREEN:
tshirt.Price += 0.75m;
break;
default:
tshirt.Price += 1.05m;
break;
}
return(tshirt.Price);
}
private static int Partition(TShirt[] tShirts, int low, int high, Func <TShirt, TShirt, bool> IsSwappable)
{
TShirt pivot = tShirts[high];
int i = (low - 1);
for (int j = low; j < high; j++)
{
if (IsSwappable(pivot, tShirts[j]))
{
i++;
TShirt temp = tShirts[i];
tShirts[i] = tShirts[j];
tShirts[j] = temp;
}
}
TShirt temp1 = tShirts[i + 1];
tShirts[i + 1] = tShirts[high];
tShirts[high] = temp1;
return(i + 1);
}
public override decimal Cost(TShirt tshirt)
{
switch (tshirt.Color)
{
case Color.BLUE:
tshirt.Price += 0.5m;
break;
case Color.GREEN:
tshirt.Price += 0.75m;
break;
case Color.INDIGO:
tshirt.Price += 1m;
break;
case Color.ORANGE:
tshirt.Price += 1.25m;
break;
case Color.RED:
tshirt.Price += 1.5m;
break;
case Color.VIOLET:
tshirt.Price += 1.75m;
break;
case Color.YELLOW:
tshirt.Price += 2m;
break;
default:
tshirt.Price += 0m;
break;
}
return(tshirt.Price);
}
public static TShirt CreateTShirt()
{
Console.WriteLine("Please choose the color of your t-shirt out of the following options");
var colors = Enum.GetValues(typeof(Color));
int counter = 0;
foreach (var color in colors)
{
Console.WriteLine("{0} -{1}", ++counter, color);
}
Color tshirtColor = (Color)int.Parse(Console.ReadLine().Trim());
Console.WriteLine("Please choose the size of your t-shirt out of the following options");
var sizes = Enum.GetValues(typeof(Size));
counter = 0;
foreach (var size in sizes)
{
Console.WriteLine("{0} -{1}", ++counter, size);
}
Size tshirtSize = (Size)int.Parse(Console.ReadLine().Trim());
Console.WriteLine("Please choose the fabric of your t-shirt out of the following options");
var fabrics = Enum.GetValues(typeof(Fabric));
counter = 0;
foreach (var fabric in fabrics)
{
Console.WriteLine("{0} -{1}", ++counter, fabric);
}
Fabric tshirtFabric = (Fabric)int.Parse(Console.ReadLine().Trim());
TShirt tshirt = new TShirt(tshirtColor, tshirtSize, tshirtFabric);
return(tshirt);
}
public override decimal Cost(TShirt tshirt)
{
tshirt.Price += _sizeCosts[tshirt.Size];
return(tshirt.Price);
}
public abstract decimal Cost(TShirt item);
// Calculates the variation cost
public void CalculateCostVariation(TShirt tshirt)
{
_variation.Cost(tshirt);
}
public override decimal Cost(TShirt tshirt)
{
tshirt.Price += _colorVariations[tshirt.Color];
return(tshirt.Price);
}
public override decimal Cost(TShirt tshirt)
{
tshirt.Price += _fabricVariations[tshirt.Fabric];
return(tshirt.Price);
}
public abstract decimal Cost(TShirt tshirt);
