public bool IsFavouritesUsers(ApplicationUserDTO userDTO) { var isFavourite = FavouritesUsers. Where(user => user.Id.Equals(userDTO.Id)). Select(u => u.Id). FirstOrDefault(); return(isFavourite == null ? false : true); }
public void RemoveFromFavouritesUsers(ApplicationUserDTO user) { FavouritesUsers.Remove(user); SaveQuiz(this); }
public void AddToFavouritesUsers(ApplicationUserDTO user) { FavouritesUsers.Add(user); SaveQuiz(this); }