public static bool CheckPromoCode(string promoCode)
{
using (Bookshop context = new Bookshop())
{
bool foundCode = context.CartPromo.Any(x => x.PromoCode == promoCode);
bool promoDateValid = false;
if (foundCode)
{
CartPromo cartPromo = context.CartPromo.First(x => x.PromoCode == promoCode);
promoDateValid = cartPromo.ValidStart.AddDays(cartPromo.PromoDuration) >= DateTime.Today;
}
return(promoDateValid);
}
}
//Create promo code
public static void CreatePromoCode(string promoCode, short discount, DateTime validStart, int promoDuration)
{
using (Bookshop context = new Bookshop())
{
CartPromo cartPromo = new CartPromo
{
PromoCode = promoCode,
Discount = discount,
ValidStart = validStart,
PromoDuration = promoDuration
};
context.CartPromo.Add(cartPromo);
context.SaveChanges();
}
}
//Update promo code
public static bool UpdatePromoCode(string promoCode, short discount, DateTime validStart, int promoDuration)
{
using (Bookshop context = new Bookshop())
{
CartPromo cartPromo = context.CartPromo.Single(x => x.PromoCode == promoCode);
if (cartPromo != null)
{
//cartPromo.PromoCode = promoCode;
cartPromo.Discount = discount;
cartPromo.ValidStart = validStart;
cartPromo.PromoDuration = promoDuration;
context.SaveChanges();
return(true);
}
else
{
return(false);
}
}
}