private void BtnOk_Click(object sender, RoutedEventArgs e)
{
double sum;
Purse purseElement = purseListCB.SelectedItem as Purse;
if (purseElement == null)
{
errorText.Text = "Не выбран счет";
return;
}
if (!Double.TryParse(ConvertToStringFormat(accumulationSum.Text), out sum))
{
errorText.Text = "Некоректная сумма";
return;
}
if (sum < 0)
{
errorText.Text = "Некоректная сумма";
return;
}
using (PFContext db = new PFContext())
{
Purse purseUpdate;
Currency currrencyElement = db.Currency.FirstOrDefault(c => c.Id == purseElement.CurrencyId);
AccumulationOperation accumulationOperation = new AccumulationOperation
{
AccumulationId = accumulation.Id,
Summa = sum,
PurseId = purseElement.Id,
CurrencyId = currrencyElement.Id,
Purse = purseElement,
Currency = currrencyElement,
Accumulation = accumulation
};
db.Purse.Attach(purseElement);
db.Currency.Attach(currrencyElement);
db.Accumulation.Attach(accumulation);
/* Update Purse */
purseUpdate = db.Purse.FirstOrDefault(p => p.Id == accumulationOperation.PurseId);
purseUpdate.Balance = purseUpdate.Balance - accumulationOperation.Summa;
db.Purse.Update(purseUpdate);
/* Update Accumulation */
accumulation.CurrentSumma += accumulationOperation.Summa;
db.Update(accumulation);
db.AccumulationOperation.Add(accumulationOperation);
db.SaveChanges();
}
GoToPreviousPage();
}
