private static void InitializeDatabase()
{
using (var context = new OrderManagementContext1())
{
context.Database.EnsureDeleted();
context.Database.EnsureCreated();
var emma = new Customer {
Id = 1, FirstName = "Emma", LastName = "Johnson"
};
var marc = new Customer {
Id = 2, FirstName = "Marc", LastName = "Milston"
};
var camera = new Order {
Id = 1, Description = "Camera", DeliveryAddress = "Address 1", Price = 550
};
var wallet = new Order {
Id = 2, Description = "Wallet", DeliveryAddress = "Address 2", Price = 10
};
var unitOfWork = new UnitOfWork1(context);
unitOfWork.CustomerRepository.Add(emma);
unitOfWork.CustomerRepository.Add(marc);
unitOfWork.OrderRepository.Add(camera);
unitOfWork.OrderRepository.Add(wallet);
unitOfWork.SaveChanges();
}
}
/// <summary>
/// In example 1, UnitOfWork has access to all repositories (that could be injected through DI)
/// and repositories are implemented in a generic way without any differences between them.
/// It would be possible to extend this example and create concrete repositories (like OrderRepository in example 2).
/// </summary>
public static void Execute()
{
ConsoleExtension.WriteSeparator("Example 1");
InitializeDatabase();
using var context = new OrderManagementContext1();
var unitOfWork = new UnitOfWork1(context);
var customerController = new CustomerController1(unitOfWork);
var orderController = new OrderController1(unitOfWork);
ShowAllCustomers();
ShowAllOrders();
CreateNewOrder();
ShowAllOrders();
void ShowAllCustomers()
{
Console.WriteLine("Showing all customers...");
foreach (var customer in customerController.GetAll())
{
Console.WriteLine($"{customer.FirstName} {customer.LastName}");
}
}
void ShowAllOrders()
{
Console.WriteLine("\nShowing all orders...");
foreach (var order in orderController.GetAll())
{
Console.WriteLine($"{order.Description} with price of {order.Price:C}");
}
}
void CreateNewOrder()
{
Console.WriteLine("\nCreating new order...");
orderController.Create(3, "PlayStation 5", "Address 3", 600);
}
}
