private static Item GetItem()
{
Write("Podaj kod: ");
string ean = ReadLine();
IItemsService itemsService = new FakeItemsService();
List <Item> items = itemsService.Search(ean);
if (items.Any())
{
foreach (Item item in items)
{
WriteLine($"{items.IndexOf(item) + 1} \t- {item}");
}
Write("Podaj indeks");
if (int.TryParse(ReadLine(), out int index))
{
return(items[index - 1]);
}
else
{
Write("Błędna wartość");
}
}
return(null);
}
private static void GetItemsTest()
{
IItemsService itemsService = new FakeItemsService();
List <Item> items = itemsService.Get();
List <Product> products = items.OfType <Product>().ToList();
foreach (Item item in items)
{
Console.WriteLine(item);
item.Print();
}
foreach (Product product in products)
{
product.Print();
}
}
private static void CreateOrderTest()
{
Console.WriteLine("Witaj w naszym sklepie!");
Console.WriteLine("Podaj id klienta:");
int customerId = int.Parse(Console.ReadLine());
Console.WriteLine("Podaj id produktu:");
int productId = int.Parse(Console.ReadLine());
Console.WriteLine("Podaj ilość:");
int quantity = int.Parse(Console.ReadLine());
// TODO: pobrac klienta i produkt ze zrodla danych
ICustomersService customersService = new FakeCustomersService();
IItemsService itemsService = new FakeItemsService();
// Przygotowanie danych
Generator.Generator generator = new Generator.Generator();
var customers = generator.GetCustomers(100);
customersService.Add(customers);
var products = generator.GetProducts(50);
var services = generator.GetServices(50);
// połączenie zbiorów
var items = products.OfType <Item>().Concat(services).ToList();
itemsService.Add(items);
// Pobranie
Customer customer = customersService.Get(customerId);
Item item = itemsService.Get(productId);
Order order = new Order("ZA 001", customer);
order.Details.Add(new OrderDetail(item, quantity));
}
static void Main(string[] args)
{
WriteLine("Hello World!");
// Install-Package Microsoft.Extensions.Configuration
// Install-Package Microsoft.Extensions.Configuration.FileExtensions
// Install-Package Microsoft.Extensions.Configuration.Json
var builder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true);
IConfigurationRoot configuration = builder.Build();
WriteLine(configuration.GetConnectionString("ShopConnection"));
// Install-Package Microsoft.Extensions.DependencyInjection
ServiceCollection services = new ServiceCollection();
services.AddTransient <ICustomersService, DbCustomersService>();
services.AddTransient <IItemsService, DbItemsService>();
// Install-Package Microsoft.EntityFrameworkCore.SqlServer
services.AddDbContext <ShopContext>(options => options
.UseSqlServer(configuration.GetConnectionString("ShopConnection")));
ServiceProvider serviceProvider = services.BuildServiceProvider();
// ICustomersService customersService = new FakeCustomersService();
ICustomersService customersService = serviceProvider.GetService <ICustomersService>();
var query = customersService.Get();
var items = new FakeItemsService().Get();
IItemsService itemsService = serviceProvider.GetService <IItemsService>();
itemsService.AddRange(items);
var customers = customersService.Search(new CustomerSearchCriteria {
Country = "Poland"
});
var newCustomers = new FakeCustomersService().Get();
foreach (var newCustomer in newCustomers)
{
customersService.Add(newCustomer);
}
LinqTest(customersService);
// Uwaga: W przypadku float/double mimo dzielenia przez zero nie pojawi się błąd,
// lecz przyjmie wartość infinity!
double result = 2d / 0;
Console.WriteLine(result);
// DelegateTest();
// Typ anonimowy
// AnonymouseTypeTest();
Customer customer = GetCustomer();
var order = new Order(customer);
Item item;
do
{
item = GetItem();
int quantity = GetQuantity();
OrderDetail detail = new OrderDetail(item, quantity);
order.AddDetail(detail);
} while (item != null);
// EnumTest(order);
// ExtensionsMethodTest();
GetCustomersTest();
// GetItemsTest();
#region Variable vs Reference Types
VariableTest();
StringTest();
ReferenceTest();
#endregion
Helper.GreaterThanZero(100);
}
