public Shop(string fileName)
{
if (!File.Exists(fileName) || new FileInfo(fileName).Length == 0)
{
DataAccess.WriteFile(fileName, new ProductList());
}
productFileStorage = DataAccess.ReadFile(fileName);
ProductBasket = new PurchaseList();
SearchResult = productFileStorage;
IsSaved = true;
this.fileName = fileName;
}
public void Annulment()
{
ProductBasket = new PurchaseList();
}