                         defaultFailureHandler(reason, errorMessage)
 
                         dispatch_async(dispatch_get_main_queue()) {
-                            YepAlert.alertSorry(message: errorMessage ?? NSLocalizedString("Set Do Not Disturb failed!", comment: ""), inViewController: self)
+                            YepAlert.alertSorry(message: errorMessage ?? NSLocalizedString("Enable Do Not Disturb failed!", comment: ""), inViewController: self)
                         }
 
                         failed()


                if isOn {
                    self?.tableView.insertRowsAtIndexPaths([indexPath], withRowAnimation: .Automatic)
                } else {
                    self?.tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Automatic)
                }

                if isOn {
                    self?.enableDoNotDisturb(failed: {
                        dispatch_async(dispatch_get_main_queue()) {
                            self?.doNotDisturbPeriod.isOn = false
                            self?.tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Automatic)
                        }
                    })
                }

                }
        }
    }

    func disableDoNotDisturb(#failed: () -> Void) {

        let realm = Realm()

        if let
            myUserID = YepUserDefaults.userID.value,
            me = userWithUserID(myUserID, inRealm: realm) {

                if let userDoNotDisturb = me.doNotDisturb {

                    let info: JSONDictionary = [
                        "mute_started_at_string": "",
                        "mute_ended_at_string": "",
                    ]

                    updateMyselfWithInfo(info, failureHandler: { [weak self] (reason, errorMessage) in
                        defaultFailureHandler(reason, errorMessage)

                        dispatch_async(dispatch_get_main_queue()) {
                            YepAlert.alertSorry(message: errorMessage ?? NSLocalizedString("Disable Do Not Disturb failed!", comment: ""), inViewController: self)
                        }

                        failed()

                    }, completion: { success in

                        dispatch_async(dispatch_get_main_queue()) {

                            let realm = Realm()

                            if let
                                myUserID = YepUserDefaults.userID.value,
                                me = userWithUserID(myUserID, inRealm: realm) {

                                    if let userDoNotDisturb = me.doNotDisturb {
                                        realm.write {
                                            realm.delete(userDoNotDisturb)
                                        }
                                    }
                            }
                        }
                    })
                }
        }
    }
}

// MARK: - UITableViewDataSource, UITableViewDelegate
