private void HandleEvents(TextView _partyItemNameTextView, EditText _partyItemTakeAmountEditText, Button _partyItemTakeAmountButton, KeyValuePair <string, PartyItem> partyItem)
{
_partyItemTakeAmountButton.Click += async(s, e) =>
{
try
{
var amount = Convert.ToInt32(_partyItemTakeAmountEditText.Text);
if (!String.IsNullOrWhiteSpace(_partyItemNameTextView.Text) && amount > 0 && amount <= _party.Content.Items[partyItem.Key].Amount)
{
if (_partyRepository.UpdatePartyItem(this._party, partyItem, amount) == null)
{
throw new Exception();
}
else
{
await _context.NotifyDataChanged();
}
}
else
{
throw new FormatException();
}
}
catch (Exception ex)
{
if (ex is FormatException)
{
ShowDialog("Invalid amount!");
}
else
{
ShowDialog("Error occurred!");
}
Debug.WriteLine("TakeAmount error: " + ex.Message);
}
};
}
public Task <Party> UpdatePartyItem(Party party, KeyValuePair <string, PartyItem> partyItem, int amountToSubstract)
{
return(_partyRepository.UpdatePartyItem(party, partyItem, amountToSubstract));
}