// Enables user to purchase a product
public BuyTransaction BuyProduct(User user, Product product, int count)
{
BuyTransaction buyTransaction = new BuyTransaction(user, product.productPriceTag, product);
buyTransaction.executeBuyMethod(user, product);
writeTransactionsToLog.WriteTransactionFileToLog(buyTransaction);
return buyTransaction;
}
public void Stregsystem_UserBalanceWarning(User user, decimal balance)
{
if (user.Balance < 50)
{
Console.WriteLine($"{user.userName} is getting low on balance for purchasing products. Balance at: {user.Balance}");
}
}
// Enables user to add credits
public void AddCreditsToAccount(User user, int amount)
{
DateTime tmpdate = DateTime.Now; // local variable for date of transaction
InsertCashTransaction insertcash = new InsertCashTransaction(user, tmpdate, amount);
insertcash.executeInsertMethod(user);
writeTransactionsToLog.WriteTransactionFileToLog(insertcash);
}
public void productActiveSelect(User _user)
{
if (productitem.Active == false)
{
throw new NonActiveProductException(_user, productitem);
}
}
public Transaction(User _user, decimal amount) // Constructor for user, getting current time and date
{
this.usertransaction = _user;
this.Date = DateTime.Now;
amountTransaction = amount;
this.transactionCountID = Transaction.transactionIDCounter;
Transaction.transactionIDCounter++; // Same ID management for users
}
public decimal executeBuyMethod(User _user, Product _product)
{
if (_user.Balance < _product.productPriceTag)
{
throw new InsufficientCreditsException(_user, _product);
}
else
{
return _user.Balance -= amountTransaction;
}
}
public IEnumerable<Transaction> GetTransactions(User user, int count)
{
List<Transaction> getTransactions = transactions.Where(transaction => string.Equals(transaction.userTransaction, user.userName)).ToList();
getTransactions.Reverse(); // To pseudo-sort the list of transactions
if (getTransactions.Count > 10)
{
getTransactions.RemoveRange(count, getTransactions.Count - 1);
}
return getTransactions;
}
public BuyTransaction(User _user, decimal _price, Product producttobuy) : base(_user, _price)
{
productItem = producttobuy;
userTransaction = _user;
}
public void DisplayUserInfo(User user)
{
Console.WriteLine($"User: {user.userName}, Name: {user.firstName} {user.lastName}, Balance: {user.Balance}");
}
public void DisplayInsufficientCash(User user, Product product) // not implemented
{
throw new NotImplementedException();
}
