public async Task Post([FromBody] Update update)
        {
            try
            {
                if (update.Message.Type == Telegram.Bot.Types.Enums.MessageType.Text)
                {
                    string answer = update.Message.Text.ToLower();
                    int    v      = Configuration.GetValue <int>("JuiceTelegramBotAdminId"); //ToDo: rename
                    switch (answer)
                    {
                    case "/start":
                    case "/hi":
                    case "hi":
                        await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, "Hi, " + update.Message.Chat.FirstName + "! Choice the beverage you want: \n We have:\n" + string.Join("\n", juiceService.GetJuiceList().Select(juice => "/" + juice)));

                        await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, "If you don't see the beverage you want, you can add it by yourself. \n For adding a new beverage just imput the name");

                        if (update.Message.Chat.Id == v)
                        {
                            await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, "For manage the order list, please, choose the command: " +
                                                                   "\n /viewebeverageslist to show beverages list" +
                                                                   "\n /viewcustombeverage to show beverages added by users" +
                                                                   "\n /viewnotapproved to show beverages waiting for approving" +
                                                                   "\n For manage the order list, please, choose the command: " +
                                                                   "\n /vieworders to show the order list " +
                                                                   "\n /killthemall to clear the order list");
                        }
                        break;

                    case "/viewebeverageslist":
                        if (update.Message.Chat.Id == v)
                        {
                            await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, string.Join("\n", juiceService.GetJuiceList().Select(item => string.Format("Beverage name: {0}, Is custom {1}, Approved:{2}, Date:{3}, User name:{4}", item.Name, item.IsCustom, item.Approved, item.JuiceDateTime.ToShortDateString(), item.UserName))));
                        }
                        else
                        {
                            await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, string.Join("\n", juiceService.GetJuiceList().Select(juice => "/" + juice.Name)));
                        }
                        break;

                    case "/viewcustombeverage":
                        if (update.Message.Chat.Id == v)
                        {
                            await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, "Custom beverages: \n" + string.Join("\n", juiceService.GetJuiceList().Where(j => j.IsCustom == true).Select(item => item.Name)));
                        }
                        else
                        {
                            await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, "Sorry, " + update.Message.Chat.FirstName + ", but you haven't permissions for this operation :-(");
                        }
                        break;

                    case "/viewnotapproved":
                        if (update.Message.Chat.Id == v)
                        {
                            await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, "Not approved beverages: \n" + string.Join("\n", juiceService.GetJuiceList().Where(j => j.Approved == false).Select(item => item.Name + $" Approve: /approve_{item.Name}, Delete: /delete_{item.Name}")));
                        }
                        else
                        {
                            await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, "Sorry, " + update.Message.Chat.FirstName + ", but you haven't permissions for this operation :-(");
                        }
                        break;

                    case "/vieworders":
                        if (update.Message.Chat.Id == v)
                        {
                            await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, "Ordered beverages: \n" + string.Join("\n", orderService.GetOrderList().Select(item => item.Juice.Name + " " + item.OrderDateTime.ToShortDateString())));
                        }
                        else
                        {
                            await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, "Sorry, " + update.Message.Chat.FirstName + ", but you haven't permissions for this operation :-(");
                        }
                        break;

                    case "/killthemall":
                        if (update.Message.Chat.Id == v)
                        {
                            orderService.ClearList();
                            await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, "All orders are cleared!");
                        }
                        else
                        {
                            await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, "Sorry, " + update.Message.Chat.FirstName + ", but you haven't permissions for this operation :-(");
                        }

                        break;

                    default:
                        if (juiceService.IsInJuices(answer))
                        {
                            if (orderService.IsInOrders(answer))
                            {
                                await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, answer + " is already ordered.");
                            }
                            else
                            {
                                orderService.AddOrder(answer, DateTime.Now);
                                await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, "Thank you for your order!");
                            }
                        }
                        else
                        {
                            juiceService.AddJuice(answer, true, false, DateTime.Now, update.Message.Chat.FirstName);
                            orderService.AddOrder(answer, DateTime.Now);
                            await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, "Thank you for your order!");
                        }
                        break;
                    }
                }
                else
                {
                    await telegramBot.SendTextMessageAsync(update.Message.Chat.Id, "Sorry, I can understand you. Try to say /Hi");
                }
            }
            catch (Exception ex)
            {
            }
        }
        //[TempData]
        //public string Message { get; set; }

        public void OnGetAsync()
        {
            Juices = juiceService.GetJuiceList().Select(j => new JuiceVM(j)).ToList();
        }