internal async Task UpdateExpense(Expense myExpense, SplitExpenseVM viewModel)
{
if (viewModel.FriendIds != "")
{
try
{
var newPayers = viewModel.FriendIds.Split(',');
var payerIds = new List <int>();
foreach (var payer in newPayers)
{
payerIds.Add(Convert.ToInt32(payer));
}
var oldPayers = PayersForExpense.Where(p => p.ExpenseId == myExpense.Id).ToList();
//Radera de oldpayers som inte är med i payerIds
foreach (var payer in oldPayers)
{
if (payerIds.Where(p => p == payer.UserId).Count() == 0)
{
PayersForExpense.Remove(payer);
}
}
//Lägg till de payerIds som inte fanns i oldPayers.
foreach (var payer in payerIds)
{
if (oldPayers.Where(p => p.UserId == payer).Count() == 0)
{
PayersForExpense.Add(new PayersForExpense {
UserId = payer, ExpenseId = myExpense.Id
});
}
}
SaveChanges();
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
var myEvent = GetEventById(Convert.ToInt32(viewModel.SelectedEvent));
myExpense.Amount = Convert.ToDecimal(viewModel.Amount, CultureInfo.InvariantCulture);
myExpense.Description = viewModel.Description;
myExpense.CurrencyId = Convert.ToInt32(viewModel.SelectedCurrency);
myExpense.Date = Convert.ToDateTime(viewModel.Date);
myExpense.EventId = myEvent.Id;
myExpense.PurchaserId = viewModel.PurchaserID;
myExpense.AmountInStandardCurrency = await CalculateStandardCurrencyAmount(Convert.ToDecimal(viewModel.Amount, CultureInfo.InvariantCulture), viewModel.SelectedCurrency, myEvent.StandardCurrencyId, Convert.ToDateTime(viewModel.Date));
SaveChanges();
}
internal void DeleteExpense(Expense myExpense)
{
foreach (var payer in myExpense.PayersForExpense)
{
PayersForExpense.Remove(payer);
}
SaveChanges();
Expense.Remove(myExpense);
SaveChanges();
}