public async Task <ActionResult <IEnumerable <OrderViewModel> > > GetAllAsync(int pageNumber = 1, int pageSize = 100, int?offerId = null, int?customerId = null) { _logger.LogDebug("GetAll {0} {1} {2} {3}", pageNumber, pageSize, offerId, customerId); InputValidation(pageNumber, pageSize); if (!ModelState.IsValid) { return(BadRequest(ModelState)); } var result = await _repository.GetAllOrdersAsync(pageNumber, pageSize, offerId, customerId); return(Ok(result?.Select((Order) => _mapper.Map <OrderViewModel>(Order)))); }