func giftMessage(with giftModel: PTChatGiftNotificationModel) -> String {
        switch giftModel.sender {

        case .me:

            switch giftModel.receiver {

            //I to myself
            case .me:
                return String(format: NSLocalizedString("You sent a %@ to yourself!", comment: "You sent a %@ to yourself!"),
                              giftModel.giftDesciption)
            //I to somebody
            case let .person(_, receiverName):
                return String(format: NSLocalizedString("You sent a %@ to %@!", comment: "You sent a %@ to %@!"),
                              giftModel.giftDesciption, receiverName)
            // I to room
            case .room:
                return String(format: NSLocalizedString("You sent a %@ to room!", comment: "You sent a %@ to room!"),
                              giftModel.giftDesciption)
            }

        case let .person(_, senderName):

            switch giftModel.receiver {

            //Somebody to me
            case .me:
                return String(format: NSLocalizedString("%@ sent a %@ to you!", comment: "%@ sent a %@ to you!"),
                              senderName, giftModel.giftDesciption)
            //Somebody to somebody
            case let .person(_, receiverName):
                return String(format: NSLocalizedString("%@ sent a %@ to %@!", comment: "You sent a %@ to %@!"),
                              senderName, giftModel.giftDesciption, receiverName)
            //Somebody to room
            case .room:
                return String(format: NSLocalizedString("%@ sent a %@ to room!", comment: "You sent a %@ to room!"),
                              senderName, giftModel.giftDesciption)
            }
        }
    }