public void RemoveFromUnconfirmedFriends(User user)
{
if (!UserFriends.Contains(user))
{
throw new Exception($"Cannot remove user {user.Name} from friends list, it does't contains this user ");
}
UserFriends.Remove(user);
}
public void AddFriend(User user)
{
if (user == null)
{
throw new Exception("Can not add non existing user to Friend's");
}
if (UserFriends.Contains(user))
{
throw new Exception($"User {user.Name} with id {user.Id} is alredy on Fiends list");
}
UserFriends.Add(user);
}
