private void RemoveTelegramBot(Models.TelegramConversation bot)
        {
            if (Model.Telegram.Conversations.Contains(bot))
            {
                Model.Telegram.Conversations.Remove(bot);

                SettingsChangedCommand.Execute();
                TelegramSettingsChangedCommand.Execute();
            }
        }
        private void AddTelegramConversation()
        {
            if (string.IsNullOrEmpty(TelegramConversation.Name) || string.IsNullOrEmpty(TelegramConversation.BotToken))
            {
                TelegramErrorMessage = "You have to provide both bot token and username/channel title";

                return;
            }

            TelegramBotClient telegramBotClient = new TelegramBotClient(TelegramConversation.BotToken);

            Update[] updates;

            try
            {
                updates = telegramBotClient.GetUpdates();
            }
            catch (WebException ex)
            {
                TelegramErrorMessage = ex.Message;

                return;
            }

            Update requiredUpdate = updates.FirstOrDefault(update =>
            {
                StringComparison stringComparison = StringComparison.InvariantCultureIgnoreCase;

                string username = update.Message != null ? update.Message.Chat.Username : string.Empty;

                string channelTitle = update.ChannelPost != null ? update.ChannelPost.Chat.Title : string.Empty;

                if (!string.IsNullOrEmpty(username) && TelegramConversation.Name.Equals(username, stringComparison))
                {
                    return(true);
                }
                else if (!string.IsNullOrEmpty(channelTitle) && TelegramConversation.Name.Equals(channelTitle, stringComparison))
                {
                    return(true);
                }

                return(false);
            });

            if (requiredUpdate == null)
            {
                TelegramErrorMessage = "There is no open/new conversation or chat between the bot and user/channel, please send a new test message to the bot and then try again";

                return;
            }

            TelegramConversation.Id = requiredUpdate.Message != null ? requiredUpdate.Message.Chat.Id : requiredUpdate.ChannelPost.Chat.Id;

            if (Model.Telegram.Conversations.Contains(TelegramConversation))
            {
                TelegramErrorMessage = "This conversation already added";

                return;
            }

            Model.Telegram.Conversations.Add(TelegramConversation);

            TelegramConversation = new Models.TelegramConversation();

            SettingsChangedCommand.Execute();

            TelegramSettingsChangedCommand.Execute();

            TelegramErrorMessage = string.Empty;
        }