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

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

                    }, completion: { [weak self] finished in

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

                    }, completion: nil)
