private void OnLinkDiscountCardCommandExecuted()
{
var firstDiscount = _dc.CumulativeDiscounts
.OrderBy(x => x.Percent)
.FirstOrDefault();
if (firstDiscount != null)
{
_discountCard = new Models.DiscountCard()
{
Code = Models.DiscountCard.GenerateCode(),
DiscountPercent = firstDiscount.Percent,
MaxDiscount = firstDiscount.MaxDiscount,
MinDiscount = firstDiscount.MinDiscount,
DiscountTypeID = (int)Enums.DiscountType.Cumulative,
TotalPurchaseValue = 0
};
_customer.DiscountCard = _discountCard;
DiscountCardEnabled = true;
_dc.SaveChanges();
RaisePropertiesChanged(BindGroupAttribute.GetPropertiesOfGroup(this.GetType(), "DiscountCard").Select(x => x.Name).ToArray());
}
else
{
MessageService.Show("Нельзя выполнить данную операцию, т.к. не заполнен справочник скидок!\nЗаполните справочник скидок и повторите попытку.", "Отсутствуют данные в справочнике", MessageBoxButton.OK, MessageBoxImage.Error);
};
}
private void refreshData(int customerID)
{
_dc.Dispose();
_dc = new Models.CRMContext();
_customer = _dc.Customers
.Where(x => x.ID == customerID)
.Include(x => x.DiscountCard)
.Include(x => x.Appointments)
.Include(x => x.FinancialTransactions)
.First();
_discountCard = _customer.DiscountCard;
DiscountCardEnabled = _discountCard != null;
VisitHistory = _customer.Appointments;
FinancialTransactions = _customer.FinancialTransactions;
refreshProperties();
}
private void OnUnlinkDiscountCardCommandExecuted()
{
DiscountCardEnabled = false;
var cardID = _discountCard.ID;
var cardCode = _discountCard.Code;
_discountCard = null;
_customer.DiscountCard = null;
RaisePropertiesChanged(BindGroupAttribute.GetPropertiesOfGroup(this.GetType(), "DiscountCard").Select(x => x.Name).ToArray());
_dc.SaveChanges();
if (!_dc.Customers.Any(x => x.DiscountCardID == cardID) &&
MessageService.Show(String.Format("Карта с кодом \"{0}\" не принадлежит ни одному клиенту, удалить карту из системы?", cardCode), "Подтвердите удаление картф", MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes)
{
var card = _dc.DiscountCards.Single(x => x.ID == cardID);
_dc.DiscountCards.Remove(card);
_dc.SaveChanges();
}
}
