/// <returns>A task that represents the asynchronous operation</returns>
public virtual async Task <IActionResult> GetProductCombinations(int productId)
{
var product = await _productService.GetProductByIdAsync(productId);
if (product == null)
{
return(NotFound());
}
var model = await _productModelFactory.PrepareProductCombinationModelsAsync(product);
return(Ok(model));
}