public ActionResult Index(int? groupId)
{
if (groupId == null)
{
return RedirectToAction("Index", "User");
}
var service = new Service();
User user = service.GetUser(User.Identity.Name);
if (service.IsMemberOfGroup(user.UserID, groupId.Value))
{
GroupFeedViewModel model = service.GetGroupFeed(groupId.Value, user.UserID);
if (Request.IsAjaxRequest())
{
return Json(RenderPartialViewToString("GroupFeed", model), JsonRequestBehavior.AllowGet);
}
SetUserFeedback();
return View(model);
}
return RedirectToAction("Index", "User");
}