public BuyTransaction(User currentUser, Product selectedProduct)
{
_transactionID = ++_transactionIDCounter;
_currentUser = currentUser;
_date = DateTime.Now;
_selectedProduct = selectedProduct;
_amount = selectedProduct.price;
}
public void BuyProduct(User currentUser, Product chosenProduct)
{
BuyTransaction transaction = new BuyTransaction(currentUser, chosenProduct);
ExecuteTransaction(transaction);
}
public List<Product> LoadProductList()
{
List<Product> productsFound = new List<Product>();
List<string[]> dataFound = new List<string[]>();
string path = "products.csv";
if (!(File.Exists(path)))
{
throw new GeneralErrorException("produktfilen er væk");
}
else
{
using (StreamReader reader = new StreamReader(path, Encoding.Default))
{
reader.ReadLine(); //Smider første linje væk.
string line;
string[] column;
while ((line = reader.ReadLine()) != null)
{
column = line.Split(';');
dataFound.Add(column);
}
}
foreach (var item in dataFound)
{
Product product = new Product();
uint iD;
UInt32.TryParse(item[0], out iD);
product.productID = iD;
product.name = item[1];
//De næste 4 if-sætninger fjerner alle uønskede dele fra produktnavnene.
if (product.name.Contains("<b>"))
{
product.name = product.name.Replace("<b>", "");
product.name = product.name.Replace("</b>", "");
}
if (product.name.Contains("<h1>"))
{
product.name = product.name.Replace("<h1>", "");
product.name = product.name.Replace("</h1>", "");
}
if (product.name.Contains("<h2>"))
{
product.name = product.name.Replace("<h2>", "");
product.name = product.name.Replace("</h2>", "");
}
if (product.name.Contains("\""))
{
product.name = product.name.Replace("\"", "");
}
decimal productPrice;
Decimal.TryParse((item[2]), out productPrice);
product.price = productPrice / 100; //divideres med 100, da prisen er angivet i ører.
switch (item[3])
{
case "0":
product.active = false;
break;
case "1":
product.active = true;
break;
}
productsFound.Add(product);
//Delen med deactivate_date ignoreres ved ikke at bearbejde item[4].
}
}
return productsFound;
}
public void DisplayUserBuysProduct(string currentUser, int howMany, Product chosenProduct)
{
Console.Clear();
Console.WriteLine("Brugeren {0} har købt {1} af {2}", currentUser, howMany, chosenProduct.name);
}
