static void Main(string[] args)
{
var addCustomerCommand = new AddCustomerCommand(new CustomerService());
var button = new Button(addCustomerCommand);
button.Click();
// Because we are representing each individual task using a command object,
// we can combine these commands inside a composite object and re-execute them later on.
var compositeCommand = new CompositeCommand();
compositeCommand.Add(new ResizeCommand());
compositeCommand.Add(new BlackAndWhiteCommand());
compositeCommand.Execute();
var history = new Solution.UndoableCommands.History();
var htmlDocument = new HtmlDocument();
htmlDocument.Content = "Hello World!";
var boldCommand = new BoldCommand(htmlDocument, history);
boldCommand.Execute();
Console.WriteLine(htmlDocument.Content);
//boldCommand.Unexecute();
var undoCommand = new Solution.UndoableCommands.UndoCommand(history);
undoCommand.Execute();
Console.WriteLine(htmlDocument.Content);
Console.WriteLine("--- Exercise ---");
var exeHistory = new Exercise.End.History();
var videoEditor = new VideoEditor();
var setTextCommand = new SetTextCommand("Hello World!", videoEditor, exeHistory);
setTextCommand.Execute();
Console.WriteLine(videoEditor.Text);
//setTextCommand.Undo();
var exeUndoCommand = new Exercise.End.UndoCommand(exeHistory);
exeUndoCommand.Execute();
Console.WriteLine(videoEditor.Text);
Console.ReadLine();
}
static void Main(string[] args)
{
var invoiceService = new InvoiceService();
var inventoryService = new InventoryService();
var history = new CommandHistory();
var products = new List <Product>
{
new Product {
Name = "Soap", Price = 10.00m
},
new Product {
Name = "Juice", Price = 5.99m
},
new Product {
Name = "PaperTowel", Price = 2.99m
},
new Product {
Name = "Yogurt", Price = 4.99m
},
};
var command = new CompositeCommand();
command.Add(new AddProductCommand(products[0], invoiceService, inventoryService, history));
command.Add(new AddProductCommand(products[1], invoiceService, inventoryService, history));
// Option 1 - If a command is undoable then we can just add undo action to revert back
command.Add(new AddProductCommand(products[3], invoiceService, inventoryService, history));
command.Add(new UndoCommand(history)); // First undo to remove last product added
command.Add(new UndoCommand(history)); // Second undo to remove last but one product added
// Option 2 - If a command is not undoable then we can have explicit remove command to revert the changes
command.Add(new AddProductCommand(products[2], invoiceService, inventoryService, history));
command.Add(new RemoveProductCommand(products[2], invoiceService, inventoryService));
var cart = new Cart(command);
cart.OneClickBuy();
System.Console.WriteLine($"You purchased {invoiceService.TotalCountofProducts} item/s and your total price is {invoiceService.TotalPrice}");
System.Console.WriteLine($"The {inventoryService.TotalCountofProducts} item/s purchased will be delivered on {inventoryService.DeliveryDate}");
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
// decoupling the customer service from the button
// otherwise all code has to be retained in the button
var service = new CustomerService();
var command = new AddCustomerCommand(service);
var button = new Button(command);
button.Click();
var composite = new CompositeCommand();
composite.Add(new ResizeCommand());
composite.Add(new BlackAndWhiteCommand());
composite.Execute();
var history = new History();
var document = new HtmlDocument {
Content = "Hello World"
};
var bold = new BoldCommand(document, history);
bold.Execute();
Console.WriteLine(document.Content);
var undoCommand = new UndoCommand(history);
undoCommand.Execute();
Console.WriteLine(document.Content);
}
