public async Task <ActionResult <ProductToReturnDto> > GetProduct(int id)
        {
            var spec    = new ProductsWithBrandandTypeSpec(id);
            var product = await _prod.GetEntityWithSpec(spec);

            return(_mapper.Map <Product, ProductToReturnDto>(product));
        }
        public async Task <ActionResult <Pagination <ProductToReturnDto> > > GetProducts([FromQuery] ProductSpecParams productParams)
        {
            var spec       = new ProductsWithBrandandTypeSpec(productParams);
            var specCount  = new ProductFilterCountSpec(productParams);
            var totalItems = await _prod.CountAsync(specCount);

            var products = await _prod.ListAsync(spec);

            var data = _mapper.Map <IReadOnlyList <Product>, List <ProductToReturnDto> >(products);

            return(Ok(new Pagination <ProductToReturnDto>(productParams.PageIndex, productParams.PageSize, totalItems, data)));
        }