public CouponManager(ICouponDal couponDal, IEntityDal <Coupon> entityDal, IMapper mapper) : base(couponDal, entityDal.GetPrimaryKeyMember(), mapper)
{
_couponDal = couponDal;
_entityDal = entityDal;
_mapper = mapper;
}
public CouponManager(ICouponDal couponDal)
{
_couponDal = couponDal;
}