/**
* Saves an ingredient. Before that, it's attached to a recipe.
*
* @param recipe
* @param ingredient
*/
public static Ingredient saveToRecipe(Long recipe, Ingredient ingredient) {
Recipe r = Recipe.findById(recipe);
if (r == null) {
throw new RuokalistaException("Recipe not found.");
}
ingredient.recipe = r;
save(ingredient);
return ingredient;
}
