link account jabbr

gistfile1.cs

private void LinkAccount(IJabbrRepository repository, IChatService chatService, HttpContext context, string userIdentity, string username, string email)
{

    // Try to get the user by identity
    ChatUser user = repository.GetUserByIdentity(userIdentity);

    // No user with this identity
    if (user == null)
    {
        // See if the user is already logged in (via cookie)
        var clientState = GetClientState(context);
        user = repository.GetUserById(clientState.UserId);

        if (user != null)
        {
            // If they are logged in then assocate the identity
            user.Identity = userIdentity;
            user.Email = email;
            if (!String.IsNullOrEmpty(email) &&
                String.IsNullOrEmpty(user.Hash))
            {
                user.Hash = email.ToMD5();
            }
            repository.CommitChanges();
        }
        else
        {
            // There's no logged in user so create a new user with the associated credentials
            // but first, let's clean up that username!
            username = FixUserName(username);
            user = chatService.AddUser(username, userIdentity, email);

            SaveClientState(context, user);
        }
    }
    else
    {
        // Update email and gravatar
        user.Email = email;
        if (!String.IsNullOrEmpty(email) &&
            String.IsNullOrEmpty(user.Hash))
        {
            user.Hash = email.ToMD5();
        }
        repository.CommitChanges();

        SaveClientState(context, user);
    }
}


private static void SaveClientState(HttpContext context, ChatUser user)
{
    // Save the cokie state
    var state = JsonConvert.SerializeObject(new { userId = user.Id });
    var cookie = new HttpCookie("jabbr.state", state);
    cookie.Expires = DateTime.Now.AddDays(30);
    context.Response.Cookies.Add(cookie);
}


private ClientState GetClientState(HttpContext context)
{
    // New client state
    var jabbrState = GetCookieValue(context, "jabbr.state");

    ClientState clientState = null;

    if (String.IsNullOrEmpty(jabbrState))
    {
        clientState = new ClientState();
    }
    else
    {
        clientState = JsonConvert.DeserializeObject<ClientState>(jabbrState);
    }

    return clientState;
}