public List <Wallet> GetWalletsByUser(User user)
{
if (user == null)
{
throw new ArgumentNullException("user");
}
User loggedUser = userSession.GetLoggedUser();
if (loggedUser != null)
{
if (user.IsFriend(loggedUser))
{
return(walletProvider.FindWalletsByUser(user));
}
return(new List <Wallet>());
}
else
{
throw new UserNotLoggedInException();
}
}
