public async Task <IEnumerable <RentalDTO> > Handle(RentalByFiltersQuery request, CancellationToken cancellationToken)
{
var query = new QueryRepository <Rental>();
if (request.CustomerId.HasValue)
{
query.AddSpecification(RentalRepositoryHelper.Specifications.ByCustomerId(request.CustomerId.Value));
}
if (request.CarId.HasValue)
{
if (query.HasSpecifications)
{
query.AddSpecification(SpecificationType.And, RentalRepositoryHelper.Specifications.ByCustomerId(request.CustomerId.Value));
}
else
{
query.AddSpecification(RentalRepositoryHelper.Specifications.ByCustomerId(request.CustomerId.Value));
}
}
query.AddInclusion(RentalRepositoryHelper.Inclusions.Cars());
query.AddInclusion(RentalRepositoryHelper.Inclusions.Customers());
IEnumerable <Rental> rentals = await _rentalRepository.GetAllAsync(query);
return(_mapper.Map <IEnumerable <RentalDTO> >(rentals));
}