public async Task <IActionResult> Get(long?customerID, string email) { if (customerID != null) { InquiryView result = await _service.GetByCustomerID((long)customerID); if (result != null) { return(Ok(result)); } return(NotFound()); } if (!String.IsNullOrEmpty(email)) { InquiryView result = await _service.GetByEmail(email); if (result != null) { return(Ok(result)); } return(NotFound()); } return(BadRequest("No inquiry criteria")); }