public static Models.customer CustomerObjToModel(Types.customer obj)
        {
            Models.customer model = new Models.customer
            {
                id         = obj.id,
                first_name = obj.first_name,
                last_name  = obj.last_name,
                email      = obj.email,
                address    = obj.address,
                password   = obj.password
            };

            return(model);
        }
        public static Types.customer CustomerModelToObj(Models.customer model)
        {
            Types.customer obj = new Types.customer
            {
                id         = model.id,
                first_name = model.first_name,
                last_name  = model.last_name,
                email      = model.email,
                address    = model.address,
                password   = model.password
            };

            return(obj);
        }