private void _PopulateRatings(GenericEditProductViewModel model, int productId = -1)
 {
     if (productId != -1)
     {
         model.RatingsList =
             _ratingService
             .GetRatingsBaseByProduct(productId);
     }
 }
        private void _PopulateCategories(GenericEditProductViewModel model, IEnumerable <string> selectedCategories = null)
        {
            model.CategoriesList =
                _categoryService
                .GetAllCategoriesBase()
                .Select(x => new SelectListItem
            {
                Text  = x.Title,
                Value = x.Id.ToString()
            });

            model.SelectedCategories = selectedCategories;
        }
        private void _PopulateBrands(GenericEditProductViewModel model, string selectedBrand = null)
        {
            model.BrandsList =
                _brandService
                .GetAllBrandsBase()
                .Select(x => new SelectListItem
            {
                Text  = x.Name,
                Value = x.Id.ToString()
            });

            model.SelectedBrand = selectedBrand;
        }