public ActionResult CheckForNewMessages()
{
var obj = Session["currentFriendId"];
int currentFriendId;
if (obj == null)
{
Session["currentFriendId"] = 0;
currentFriendId = 0;
}
else
{
currentFriendId = (int)obj;
}
int amountOfMessages = messageRepository.CheckForNewMessages(currentUser.UserId, currentFriendId);
if (amountOfMessages <= 0)
{
return(null);
}
return(Content(amountOfMessages.ToString()));
}