public static Models.discount DiscountObjToModel(Types.discount obj)
 {
     Models.discount model = new Models.discount
     {
         id                  = obj.id,
         code                = obj.code,
         title               = obj.title,
         description         = obj.description,
         valid_from          = obj.valid_from,
         valid_to            = obj.valid_to,
         discount_percentage = (float)obj.discount_percentage
     };
     return(model);
 }
 public static Types.discount DiscountModelToObj(Models.discount model)
 {
     Types.discount obj = new Types.discount
     {
         id                  = model.id,
         code                = model.code,
         title               = model.title,
         description         = model.description,
         valid_from          = model.valid_from,
         valid_to            = model.valid_to,
         discount_percentage = model.discount_percentage
     };
     return(obj);
 }