public void ShouldDeserialize()
{
var serializer = new PromotionsSerializer(products);
var deserialized = serializer.Deserialize(Serialized);
Assert.Equal(promotions, deserialized);
}
public string PrintInvoice(string directory)
{
if (!Directory.Exists(directory))
{
throw new FileNotFoundException("Directory does not exists");
}
var productsJsonFile = Path.Join(directory, "Products.json");
if (!File.Exists(productsJsonFile))
{
throw new FileNotFoundException("Products file does not exists");
}
var promotionsJsonFile = Path.Join(directory, "Promotions.json");
if (!File.Exists(promotionsJsonFile))
{
throw new FileNotFoundException("Promotions file does not exists");
}
var orderJsonFile = Path.Join(directory, "Order.json");
if (!File.Exists(orderJsonFile))
{
throw new FileNotFoundException("Order file does not exists");
}
var productsSerializer = new ProductsSerializer();
var productsText = File.ReadAllText(productsJsonFile);
var products = productsSerializer.Deserialize(productsText);
var promotionsSerializer = new PromotionsSerializer(products);
var orderSerializer = new OrderSerializer(products);
var promotionsText = File.ReadAllText(promotionsJsonFile);
var promotions = promotionsSerializer.Deserialize(promotionsText);
var orderText = File.ReadAllText(orderJsonFile);
var order = orderSerializer.Deserialize(orderText);
var orderService = new OrderService();
return(orderService.PrintInvoice(order, promotions));
}