                         } else {
                             strongSelf.conversationCollectionView.reloadSections(NSIndexSet(index: Section.Message.rawValue))
                             strongSelf.lastTimeMessagesCount = strongSelf.messages.count
+                            println("double check failed!")
                         }
 
                     }, completion: { [weak self] finished in

                        } else {
                            strongSelf.conversationCollectionView.reloadSections(NSIndexSet(index: Section.Message.rawValue))
                            strongSelf.lastTimeMessagesCount = strongSelf.messages.count
                        }

                    }, completion: nil)

                    } else {
                        strongSelf.conversationCollectionView.reloadSections(NSIndexSet(index: Section.Message.rawValue))
                        strongSelf.lastTimeMessagesCount = strongSelf.messages.count
                        println("double check failed!")
                    }

                }, completion: nil)
