public async Task <Result <BikeResponse> > AddBikeAsync(AddBikeCommand request) { // validation if bike is being added to the specific HomeBase ... if (request.HomeBaseId is not null) { if (!_homeBaseService.CheckIfExistsAsync(request.HomeBaseId)) { return(new Result <BikeResponse>(new BadRequestException(Error.HomeBaseNotFound))); } if (!await _homeBaseService.CheckIfFreeSlotsAsync(request.HomeBaseId)) { return(new Result <BikeResponse>(new BadRequestException(Error.HomeBaseFull))); } } return(await _bikeRepository.AddBikeAsync(request)); }