public async Task <ActionResult <ShoppingList> > GetAllShoppingLists()
{
IEnumerable <ShoppingListDTO> listOfLists = await shoppingListRepository.GetAllShoppingListsAsync();
IList <ShoppingList> allLists = listOfLists.Select(lol => dtoMapper.Map <ShoppingList>(lol)).ToList();
return(Ok(allLists));
}
