public async Task <ActionResult <Product> > GetProduct(int id)
        {
            var spec = new ProductsWithBrandsAndTypesSpecifications(id);

            var product = await _productsRepo.GetEntityBySpec(spec);

            // var productDto = new ProductForListDto
            // {
            //     Id = product.Id,
            //     Name = product.Name,
            //     Price = product.Price,
            //     Description = product.Description,
            //     PictureUrl = product.PictureUrl,
            //     ProductBrand = product.ProductBrand.Name,
            //     ProductType = product.ProductType.Name
            // };

            var productDto = _mapper.Map <Product, ProductForListDto>(product);

            return(Ok(productDto));
        }
        public async Task <ActionResult <IReadOnlyList <Product> > > GetProducts()
        {
            var spec = new ProductsWithBrandsAndTypesSpecifications();

            var products = await _productsRepo.ListAsync(spec);


            // if we not use automapper
            // var productsDto = products.Select(x=>new ProductForListDto{
            //     Id = x.Id,
            //     Name= x.Name,
            //     Description = x.Description,
            //     PictureUrl = x.PictureUrl,
            //     ProductBrand = x.ProductBrand.Name,
            //     ProductType = x.ProductType.Name
            // }).ToList();



            // using automapper
            var productsDto = _mapper.Map <IReadOnlyList <Product>, IReadOnlyList <ProductForListDto> >(products);

            return(Ok(productsDto));
        }