public ITransaction CreateTransaction(string transaction, SupportedTransactionTypes transactionType)
{
if (string.IsNullOrWhiteSpace(transaction))
{
throw new ArgumentNullException(nameof(transaction), $"!string.IsNullOrWhiteSpace({nameof(transaction)})");
}
string[] sections = transaction.Split(',');
switch (transactionType)
{
case SupportedTransactionTypes.TdBankAccount:
return(CreateTdBankAccountTransaction(sections));
case SupportedTransactionTypes.TdCreditCard:
return(CreateTdCreditCardTransaction(sections));
case SupportedTransactionTypes.MoneyVisualizer:
return(CreateMoneyVisualizerTransaction(sections));
case SupportedTransactionTypes.CapitalOneCreditCard:
return(CreateCaptialOneTransaction(sections));
default:
return(NoneTransaction.Instance);
}
}
private void ReplaceTransactions(Func <ITransaction, bool> toReplaceFunc, SupportedTransactionTypes supportedTransactionType)
{
string transactionsFile = GetTransactionsFilePath();
_transactionsManager.ReplaceWithTransactionsFromFile(
toReplaceFunc,
transactionsFile,
_transactions,
supportedTransactionType);
}
private void LoadTransactions(SupportedTransactionTypes transactionsType)
{
var transactionsFilePath = GetTransactionsFilePath();
if (string.IsNullOrWhiteSpace(transactionsFilePath))
{
return;
}
var transactions = _transactionsManager.CreateTransactionsFromFile(transactionsFilePath, transactionsType);
var observableTransactions = new ObservableCollection <ITransaction>(transactions);
Transactions = observableTransactions;
LineGraphViewModel = new LineGraphViewModel(Transactions);
QuickInfoPageViewModel = new QuickInfoPageViewModel(Transactions);
TransactionsListViewModel = new TransactionsListViewModel(Transactions);
PieChartViewModel = new PieChartViewModel(Transactions);
}
/// <inheritdoc />
public void ReplaceWithTransactionsFromFile(
Func <ITransaction, bool> toReplaceFunc,
string filePath,
ObservableCollection <ITransaction> transactions,
SupportedTransactionTypes transactionsType)
{
var transactionsToReplace = new List <ITransaction>(transactions.Where(x => toReplaceFunc(x)));
if (!transactionsToReplace.Any(x => toReplaceFunc(x)) ||
string.IsNullOrWhiteSpace(filePath) ||
!File.Exists(filePath))
{
// There are no transactions to replace, or the given file path is empty or doesn't exist.
// Return the original collection.
return;
}
foreach (var transactionToReplace in transactionsToReplace)
{
transactions.Remove(transactionToReplace);
}
var transactionsByDate = transactions.GroupBy(x => x.DateTime);
var replacementTransactions = CreateTransactionsFromFile(filePath, transactionsType);
// Find the Date/Time grouping the replacement transactions belong to, and add them to that grouping.
foreach (var replacementTransaction in replacementTransactions)
{
ITransaction lastTransactionForDate = null;
if (transactionsByDate.Any(x => x.Key.Equals(replacementTransaction.DateTime)))
{
lastTransactionForDate = transactionsByDate.Last(x => x.Key.Equals(replacementTransaction.DateTime)).Last();
}
else
{
var dateTimeToCheckFor = replacementTransaction.DateTime.AddDays(-1);
while (lastTransactionForDate == null)
{
if (transactionsByDate.Any(x => x.Key.Equals(dateTimeToCheckFor)))
{
lastTransactionForDate = transactionsByDate.Last(x => x.Key.Equals(dateTimeToCheckFor)).Last();
break;
}
if (dateTimeToCheckFor.Month != replacementTransaction.DateTime.Month)
{
// If the transaction to replace/add comes before any existing transactions
// just add it to the list of transactions.
lastTransactionForDate = replacementTransaction;
}
dateTimeToCheckFor = dateTimeToCheckFor.AddDays(-1);
}
}
// use '+' because all of the values will be negative
var newAccountBalance = lastTransactionForDate.AccountBalance + replacementTransaction.Value;
// Make a new Transaction because Transactions are immutable
var newTransaction = new Transaction(
replacementTransaction.DateTime,
replacementTransaction.Vendor,
replacementTransaction.Value,
newAccountBalance,
replacementTransaction.Description,
replacementTransaction.Category);
int indexOfLastTransaction = transactions.IndexOf(lastTransactionForDate);
if (indexOfLastTransaction == transactions.Count)
{
transactions.Add(newTransaction);
}
else
{
transactions.Insert(indexOfLastTransaction + 1, newTransaction);
}
}
}
public IEnumerable <ITransaction> CreateTransactionsFromFile(string filePath, SupportedTransactionTypes transactionsType)
{
var stringTransactions = LoadTransactionsFromFile(filePath);
ICollection <ITransaction> transactions = new List <ITransaction>();
stringTransactions.ForEach(x =>
{
var transaction = _transactionsFactory.CreateTransaction(x, transactionsType);
if (transaction != NoneTransaction.Instance)
{
transactions.Add(transaction);
}
});
return(transactions);
}
