/// <summary>
/// Information printed when closing account.
/// </summary>
public static string PrintAccountInfo(Account account)
{
string info = "null...";
switch (account)
{
//Credit with a negative balance, interest
case CreditAccount creditNegative when creditNegative.Balance < 0:
account.Balance += account.Balance * (decimal)creditNegative.DebtInterest;
info = $"AccountID: {account.AccountID} Account Type: {account.GetType().Name}\n" +
$"Account balance: {account.Balance} Debt rate: {creditNegative.DebtInterest * 100}%";
return(info);
//Savings account uses the same code as credit account.
case SavingsAccount _:
case CreditAccount _ when account.Balance >= 0:
account.Balance *= (1 + (decimal)account.Interest);
info = $"AccountID: {account.AccountID} Account Type: {account.GetType().Name}\n" +
$"Account balance: {account.Balance} Account rate: {account.Interest * 100}%";
return(info);
default:
return(info);
}
}
/// <summary>
/// Prints selected account transaction history to a file.
/// </summary>
/// <param name="account"></param>
public async void PrintTransactionsHistory(Account account)
{
try
{
Windows.Storage.StorageFolder storageFolder =
Windows.Storage.ApplicationData.Current.LocalFolder;
Windows.Storage.StorageFile sampleFile =
await storageFolder.CreateFileAsync($"TransactionHistory - {account.AccountID}.txt",
Windows.Storage.CreationCollisionOption.ReplaceExisting);
string result = $"AccountID: {account.AccountID} || Remaining balance: {account.Balance} SEK " +
$"|| {account.GetType().Name} ({account.Interest*100}%) \n ";
foreach (var transaction in account.Transactions)
{
result += $"\n{transaction.Time}\t" +
$"{transaction.TransactionType}: \t" +
$"Amount: {transaction.Amount} SEK \t " +
$"Remaining balance: {transaction.NewBalance} SEK \n";
}
await Windows.Storage.FileIO.WriteTextAsync(sampleFile, result);
}
catch (Exception) { }
}