public async Task <IActionResult> Add(Supplier entity)
        {
            try {
                if (entity.Address != null)
                {
                    entity.Address.AddressType = "Supplier";
                    var res = await _repo.AddSupplierAsync(entity);

                    return(Ok("Record Added"));
                }
                return(BadRequest("Supplier can not be null."));
            } catch (Exception ex) {
                throw;
            }
        }