// Add new rule
// (Requirement 1.0.4)
public static void SaveRule(RuleModel rule)
{
using (IDbConnection conn = new SQLiteConnection(LoadConnectionString()))
{
conn.Execute(saveRuleQuery, rule);
}
}
private void Rules_CellEditEnding(object sender, DataGridCellEditEndingEventArgs e)
{
if (e.EditAction == DataGridEditAction.Commit)
{
// Need to get the new user-edited value with a switch statement
var c = e.Column as DataGridBoundColumn;
if (c != null)
{
RuleModel editedRule = (RuleModel)e.Row.DataContext;
int rowIndex = e.Row.GetIndex();
var el = e.EditingElement as TextBox;
var changedColumn = (c.Binding as Binding).Path.Path;
switch (changedColumn)
{
case "Rule_name":
if (el.Text == "")
{
Rules_List.CancelEdit();
return;
}
editedRule.Rule_name = el.Text;
break;
case "Category":
if (el.Text == "")
{
Rules_List.CancelEdit();
return;
}
editedRule.Category = el.Text;
break;
case "Payee_regex":
if (el.Text == "")
{
Rules_List.CancelEdit();
return;
}
editedRule.Payee_regex = el.Text;
break;
case "Direction":
if (el.Text != "Inflow" && el.Text != "Outflow")
{
Rules_List.CancelEdit();
return;
}
editedRule.Direction = el.Text;
break;
default:
return;
}
// save edited transaction to DB and refresh UI
viewModel.UpdateRule(editedRule);
}
}
}
private static bool TryCategorizeTransaction(TransactionModel transaction, RuleModel rule)
{
// Tests if this rule matches the transaction. Sets appropriate category if it does.
// check in/out direction constraint
if ((rule.Direction == "Inflow" && transaction.Amount < 0) || (rule.Direction == "Outflow" && transaction.Amount > 0))
{
return(false);
}
// check if rule matches
var rx = new Regex(rule.Payee_regex);
if (rx.IsMatch(transaction.Payee))
{
transaction.Category = rule.Category;
return(true);
}
return(false);
}
