public ActionResult Index()
{
var existingUser = ChatHelper.GetChatUserFromCookie(this.Request);
ChatViewModel chatViewModel = null;
if (existingUser != null)
{
if (!ChatHub.IsUserRegistered(existingUser))
{
// cookie is invalid
ChatHelper.RemoveCookie(this.Response);
return(this.RedirectToAction("Index"));
}
// in this case the authentication cookie is valid and we must render the chat
chatViewModel = new ChatViewModel()
{
IsUserAuthenticated = true,
UserId = existingUser.Id,
UserName = existingUser.Name,
UserProfilePictureUrl = existingUser.ProfilePictureUrl
};
}
return(this.View(chatViewModel));
}