public async Task <IActionResult> DeleteIngredient(int id)
{
if (await _ingredientServices.IsIngredientUsedAsync(id))
{
ModelState.AddModelError(string.Empty, "The ingredient is currently being used in a cokctail and thus cannot be deleted.");
return(View("ManageIngredients"));
}
await _ingredientServices.DeleteAsync(id);
return(View("ManageIngredients"));
}