public ActionResult AddFriend(string username)
{
var service = new Service();
User user = service.GetUser(User.Identity.Name);
User friend = service.GetUser(username);
if (friend == null)
{
TempData["message"] = new Message("The username " + username + " could not be found.", MessageType.INFORMATION);
}
else if (User.Identity.Name == friend.UserName)
{
TempData["message"] = new Message("You can't add yourself to your friend list.", MessageType.INFORMATION);
}
else if (service.IsFriendsWith(user.UserID, friend.UserID))
{
TempData["message"] = new Message(username + " is already your friend.", MessageType.INFORMATION);
}
else if (service.FriendRequestExists(user.UserID, friend.UserID))
{
TempData["message"] = new Message(username + " still has a pending friend request", MessageType.INFORMATION);
}
else if (service.SendFriendRequest(user.UserID, friend.UserID))
{
TempData["message"] = new Message(username + " has received your friend request.", MessageType.SUCCESS);
}
else
{
TempData["message"] = new Message("Could not process Add Friend request please try again later.", MessageType.ERROR);
}
if (Request.IsAjaxRequest())
{
return Json(new { message = TempData["message"] as Message }, JsonRequestBehavior.AllowGet);
}
return RedirectToAction("Index");
}