private async Task <Customer> GetCustomer(SaleAddClientModel dto)
{
// customer
var existCustomer = await _customerRepository.FindAsync(x => x.ContactId == dto.CustomerId);
if (existCustomer.FirstOrDefault() == null)
{
await _customerRepository.AddAsync(dto.Customer());
await _customerRepository.CompleteAsync();
}
return(existCustomer.FirstOrDefault());
}
