Ejemplo n.º 1
0
        private void lvContracts_SubItemEndEditing(object sender, UserControl.SubItemEndEditingEventArgs e)
        {
            if (4 == e.SubItem && e.Item.Tag != null)
            {
                e.Item.SubItems[e.SubItem].Tag = (OCurrency)decimal.Parse(e.DisplayText);
                e.Item.SubItems[e.SubItem].Text = e.DisplayText;
            }
            if (5 == e.SubItem && e.Item.Tag != null)
            {
                e.Item.SubItems[e.SubItem].Tag = (OCurrency)decimal.Parse(e.DisplayText);
                e.Item.SubItems[e.SubItem].Text = e.DisplayText;
            }

            var loan = new Loan();
            if (4 == e.SubItem || 5 == e.SubItem || 9 == e.SubItem && e.Item.Tag != null)
            {
                loan = e.Item.Tag as Loan;
            }

            if (loan != null && loan.Id != 0)
            {
                Installment i = loan.GetFirstUnpaidInstallment();
                bool disableFees = false;
                var result = new KeyValuePair<Loan, RepaymentEvent>();

                OCurrency penalties = (OCurrency)e.Item.SubItems[4].Tag;
                OCurrency principal = result.Value == null ? i.PrincipalHasToPay : result.Value.Principal;
                OCurrency interest = result.Value == null ? i.InterestHasToPay : result.Value.InterestPrepayment;
                OCurrency total;

                if (penalties != loan.CalculateDuePenaltiesForInstallment(i.Number, TimeProvider.Today))
                    disableFees = true;

                total = (OCurrency)e.Item.SubItems[5].Tag;
                if (e.SubItem == 5)
                {
                    if (total < 0)
                        throw new ArithmeticException("Total cannot be negative.");
                    if (total > penalties)
                    {
                        OCurrency remainder = total - penalties;
                        if (remainder > interest)
                        {
                            remainder -= interest;
                            principal = remainder > principal ? principal : remainder;
                            remainder -= principal;
                            total = principal + interest + penalties + remainder;
                        }
                        else
                        {
                            interest = remainder;
                            principal = 0;
                        }
                    }
                    else
                    {
                        penalties = total;
                        principal = 0;
                        interest = 0;
                    }
                }

                e.Item.SubItems[2].Text = principal.GetFormatedValue(loan.UseCents);
                e.Item.SubItems[2].Tag = principal;
                e.Item.SubItems[3].Text = interest.GetFormatedValue(loan.UseCents);
                e.Item.SubItems[3].Tag = interest;
                e.Item.SubItems[4].Text = penalties.GetFormatedValue(loan.UseCents);
                e.Item.SubItems[4].Tag = penalties;
                e.Item.SubItems[5].Text = total.GetFormatedValue(loan.UseCents);
                e.Item.SubItems[5].Tag = total;

                if (e.Item.SubItems.Count > 9)
                    e.Item.SubItems[9].Tag = cbItem.SelectedItem;

                if (5 == e.SubItem)
                    e.DisplayText = total.GetFormatedValue(loan.UseCents);

                if (9 == e.SubItem)
                    e.DisplayText = cbItem.SelectedItem.ToString();
                if (10 == e.SubItem)
                    e.Item.SubItems[10].Text = e.DisplayText;
                
                
                int paymentOption = cbItem.SelectedIndex + 1;

                KeyValuePair<Loan, RepaymentEvent> keyValuePair = CalculatePrincipalAndInterest(loan,
                                                                                                total.Value, 
                                                                                                disableFees, 
                                                                                                penalties.Value, 
                                                                                                paymentOption);
                if (keyValuePair.Value != null)
                {
                    e.Item.SubItems[2].Text =
                        keyValuePair.Value.Principal.GetFormatedValue(loan.Product.UseCents);
                    e.Item.SubItems[2].Tag = keyValuePair.Value.Principal;
                    e.Item.SubItems[3].Text =
                        keyValuePair.Value.Interests.GetFormatedValue(loan.Product.UseCents);
                    e.Item.SubItems[3].Tag = keyValuePair.Value.Interests;
                    e.Item.SubItems[4].Text =
                        keyValuePair.Value.Penalties.GetFormatedValue(loan.Product.UseCents);
                    e.Item.SubItems[4].Tag = keyValuePair.Value.Penalties;
                }
            }
            UpdateTotal();
        }