public IEnumerable <Models.Products> SortProducts(string sortOptions) { if (sortOptions.Equals(Constants.Recommended, StringComparison.OrdinalIgnoreCase)) { var customerProducts = _resourceService.GetShopperHistory(); return(_sortService.SortPreferredProducts(customerProducts)); } var products = _resourceService.GetProducts(); return(_sortService.SortProducts(sortOptions, products)); }