// GET: api/ChatMessages
        public List <UserChatMessage> GetChatMessages(int chatId, int chatMessageId)
        {
            ChatModels chatModels = new ChatModels(db);
            var        model      = chatModels.GetUserChatMessages(chatId, chatMessageId);

            return(model);
        }
        // GET: api/ChatMessages
        public List <UserChatMessage> GetChatMessages(int chatId)
        {
            ChatModels chatModels = new ChatModels(db);

            return(chatModels.GetUserChatMessages(chatId, null));
        }