public IEnumerable<OrderInfo> GetAll(int start, int pageSize)
{
var orders = GetAll();
var customers = new CustomerRepository().GetAll().ToDictionary(c => c.CustomerID);
var orderItems = new OrderItemRepository().GetAll().ToArray();
var results = orders.Skip(start)
.Take(pageSize)
.Select(o => new
{
OrderID = o.OrderID,
OrderDate = o.OrderDate,
CustomerName = customers[o.CustomerID].Name,
CustomerID = o.CustomerID,
OrderItems = orderItems.Where(i => i.OrderID == o.OrderID)
})
.Select(o => new OrderInfo()
{
OrderID = o.OrderID,
OrderDate = o.OrderDate,
CustomerName = o.CustomerName,
CustomerID = o.CustomerID,
Total = o.OrderItems.Sum(i => i.Amount),
Status = BuildStatusName(o.OrderItems),
HasShippedItems = o.OrderItems.Any(i => i.OrderStatus() is ShippedState)
});
return results.ToArray();
}
void MainWindow_Loaded(object sender, RoutedEventArgs e)
{
var productsDataProxy = new ProductRepository();
var inventoryDataProxy = new InventoryItemRepository();
var customerDataProxy = new CustomerRepository();
var orderItemDataProxy = new OrderItemRepository();
var orderRepository = new OrderRepository(customerDataProxy, orderItemDataProxy);
_inventoryService = new InventoryItemService(inventoryDataProxy);
_orderItemsService = new OrderItemService(orderItemDataProxy, productsDataProxy, inventoryDataProxy, new DTCTransactionContext());
_ordersService = new OrderService(orderRepository, _orderItemsService, new DTCTransactionContext());
_customersService = new CustomerService(customerDataProxy, _ordersService);
_productsService = new ProductService(productsDataProxy, _ordersService, _inventoryService, new DTCTransactionContext());
_categoriesService = new CategoryService(new CategoryRepository(), _productsService);
this.DataContext = new MainWindowVM(_eventAggregator, _customersService, _productsService, _categoriesService, _ordersService, _inventoryService);
}