public override BalanceChanges GetBalanceChanges(TransactionBlock previousBlock)
{
var bc = new BalanceChanges();
// transfer unchanged token balances from the previous block
foreach (var prevKvp in previousBlock.Balances)
{
decimal amount;
if (Balances.ContainsKey(prevKvp.Key))
{
amount = (prevKvp.Value - Balances[prevKvp.Key]).ToBalanceDecimal();
}
else
{
// all spent. zero. ommit
amount = prevKvp.Value.ToBalanceDecimal();
}
if (prevKvp.Key == FeeCode)
{
amount -= Fee;
}
if (amount != 0)
{
bc.Changes.Add(prevKvp.Key, amount);
}
}
bc.FeeCode = this.FeeCode;
bc.FeeAmount = this.Fee;
return(bc);
}
private Transaction CreateTransaction(Match match, Stock userStock, Stock externalStock,
TransactionType defaultOutcome, TransactionType defaultIncome)
{
int day = int.Parse(match.Groups["Day"].Value);
int month = int.Parse(match.Groups["Month"].Value);
int year = int.Parse(match.Groups["Year"].Value);
int id = int.Parse(match.Groups["Id"].Value);
string operationType = match.Groups["OperationType"].Value.Trim();
var noteLines = match.Groups["Note"].Value.Split('\n');
string title = match.Groups["Title"].Value.Trim();
string currency = match.Groups["Currency"].Value.Trim();
bool negativeSign = match.Groups["Sign"].Value.Equals("-");
int bigValue = int.Parse(match.Groups["ValueWithSpaces"].Value.Replace(" ", string.Empty));
int smallValue = int.Parse(match.Groups["ValueAfterComma"].Value);
decimal value = bigValue + smallValue / 100m;
var date = new DateTime(year, month, day);
string note =
$"{id} - {string.Join(" ", noteLines.Where(x => !string.IsNullOrWhiteSpace(x)).Select(x => x.Trim()))} {operationType}";
bool isBalanceNote = match.Groups["BalanceValueWithSpaces"].Success;
if (isBalanceNote)
{
int bigValueBalance = int.Parse(match.Groups["BalanceValueWithSpaces"].Value.Replace(" ", string.Empty));
int smallValueBalance = int.Parse(match.Groups["BalanceValueAfterComma"].Value);
decimal balance = bigValueBalance + smallValueBalance / 100m;
note = $"{note} saldo: {balance:#,##0.00} ({currency})";
if (!Balances.ContainsKey(userStock))
{
Balances[userStock] = new Dictionary <DateTime, decimal>();
}
if (!Balances[userStock].ContainsKey(date))
{
Balances[userStock][date] = balance;
}
}
var transactionType = negativeSign ? defaultOutcome : defaultIncome;
var position = new Position(title, value);
return(new Transaction(transactionType, date, title, note, new List <Position> {
position
}, userStock, externalStock));
}
private bool MatchRule(Rule rule, string[] elements, Transaction transaction, TransactionType defaultIncome,
TransactionType defaultOutcome, Stock defaultUserStock, bool generateMissingStocks)
{
if (elements.Length < rule.Column)
{
return(false);
}
try
{
string stringValue = elements[rule.Index].Trim();
switch (rule.Property)
{
case TransactionField.Title:
transaction.Title = stringValue;
if (string.IsNullOrWhiteSpace(transaction.Title))
{
return(false);
}
break;
case TransactionField.Note:
if (string.IsNullOrWhiteSpace(stringValue) && !rule.IsOptional)
{
return(false);
}
transaction.Notes.Add(stringValue);
break;
case TransactionField.BookDate:
if (rule.IsOptional && string.IsNullOrWhiteSpace(stringValue))
{
transaction.BookDate = DateTime.Today;
}
else
{
transaction.BookDate = DateTime.Parse(stringValue);
}
if (transaction.TransactionSourceCreationDate == DateTime.MinValue)
{
transaction.TransactionSourceCreationDate = transaction.BookDate;
}
break;
case TransactionField.CreationDate:
if (rule.IsOptional && string.IsNullOrWhiteSpace(stringValue))
{
transaction.TransactionSourceCreationDate = DateTime.Today;
}
else
{
transaction.TransactionSourceCreationDate = DateTime.Parse(stringValue);
}
if (transaction.BookDate == DateTime.MinValue)
{
transaction.BookDate = transaction.TransactionSourceCreationDate;
}
break;
case TransactionField.PositionTitle:
transaction.Positions[0].Title = stringValue;
if (string.IsNullOrWhiteSpace(transaction.Positions[0].Title))
{
if (rule.IsOptional)
{
transaction.Positions[0].Title = "position 1";
}
else
{
return(false);
}
}
break;
case TransactionField.Value:
{
decimal value = decimal.Parse(stringValue.Replace(".", ","));
transaction.Type = value >= 0 ? defaultIncome : defaultOutcome;
transaction.Positions[0].Value.GrossValue = Math.Abs(value);
}
break;
case TransactionField.ValueAsLost:
{
if (string.IsNullOrWhiteSpace(stringValue))
{
return(true);
}
decimal value = decimal.Parse(stringValue.Replace(".", ","));
if (value == 0)
{
return(true);
}
if (value < 0)
{
value = Math.Abs(value);
}
transaction.Type = defaultOutcome;
transaction.Positions[0].Value.GrossValue = Math.Abs(value);
}
break;
case TransactionField.ValueAsProfit:
{
if (string.IsNullOrWhiteSpace(stringValue))
{
return(true);
}
decimal value = decimal.Parse(stringValue.Replace(".", ","));
if (value == 0)
{
return(true);
}
if (transaction.Positions[0].Value.GrossValue > 0 && transaction.Type != null)
{
decimal sum = transaction.Type.Outcome
? value - transaction.Positions[0].Value.GrossValue
: value + transaction.Positions[0].Value.GrossValue;
transaction.Type = sum > 0m
? defaultIncome
: defaultOutcome;
transaction.Positions[0].Value.GrossValue = Math.Abs(sum);
}
else
{
transaction.Type = value >= 0 ? defaultIncome : defaultOutcome;
transaction.Positions[0].Value.GrossValue = Math.Abs(value);
}
}
break;
case TransactionField.UserStock:
if (_stocks != null && _stocks.Any())
{
var matching = _stocks.FirstOrDefault(x => x.Name.ToLower().Equals(stringValue.ToLower()));
transaction.UserStock = matching;
}
if (transaction.UserStock == null || (!transaction.UserStock.Name?.Equals(stringValue) ?? true))
{
transaction.UserStock = generateMissingStocks
? new Stock(stringValue.GenerateGuid())
{
Name = stringValue,
IsUserStock = true
}
: defaultUserStock;
}
break;
case TransactionField.Balance:
if (!Balances.ContainsKey(transaction.UserStock))
{
Balances[transaction.UserStock] = new Dictionary <DateTime, decimal>();
}
var balance = Balances[transaction.UserStock];
if (!balance.ContainsKey(transaction.TransactionSourceCreationDate))
{
balance[transaction.TransactionSourceCreationDate] = decimal.Parse(stringValue.Replace(".", ","));
}
break;
case TransactionField.Currency:
//todo:
break;
}
}
catch (Exception e)
{
_logger.Value.Debug($"Parsing failed{Environment.NewLine}{string.Join(";", elements)}", e);
return(false);
}
return(true);
}
