private async void OnAuthenticate(object obj)
        {
            await Task.Run(async() =>
            {
                IsAuthorisation = false;
                IsSetCode       = false;
                _telegramLogic  = new TelegramLogic(NumberPhone);

                _path        = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Sessions");
                var tmpfiles = Directory.GetFiles(_path, "*", SearchOption.AllDirectories).ToList();

                foreach (var item in tmpfiles)
                {
                    _files.Add(Path.GetFileName(item));
                }
                foreach (var item in _files)
                {
                    if (item.Equals(NumberPhone + ".dat"))
                    {
                        await _telegramLogic.LogInAsync();
                        LoginResult = "Вы вошли успешно!!! ";
                        return;
                    }
                }

                await _telegramLogic.GetCodeAuthenticateAsync();
                LoginResult = "Ждите код для подтверждения";
                IsSetCode   = true;
            });
        }
        public async void OnLoginCommandExecute(object obj)
        {
            await Task.Run(async() =>
            {
                Regex regex = new Regex(@"^[+]*[(]{0,1}[0-9]{1,4}[)]{0,1}[-\s\./0-9]*$");
                if (regex.IsMatch(PhoneNumber))
                {
                    IsLoggEnabled = false;
                    TeleStatus    = "Загрузка...";

                    TelegramContext = new TelegramLogic(PhoneNumber);
                    string path     = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Sessions");
                    var tmpfiles    = Directory.GetFiles(path, "*", SearchOption.AllDirectories).ToList();

                    foreach (var item in tmpfiles)
                    {
                        FileSessionStore.Add(Path.GetFileName(item));
                    }
                    foreach (var item in FileSessionStore)
                    {
                        if (item.Equals(PhoneNumber + ".dat"))
                        {
                            await TelegramContext.LogInAsync();


                            TLChannelFulls = await TelegramContext.GetFullInfoCannelsAsync();
                            foreach (var channel in TLChannelFulls)
                            {
                                ChannelsNames.Add(channel.About);
                            }

                            MySelectedItem    = ChannelsNames?[0];
                            IsProgramStarted  = true;
                            IsStartEnabled    = true;
                            IsCanChangeNumber = false;
                            TeleStatus        = "Вы вошли успешно!!! ";
                            TelegramContext.LogOut();
                            return;
                        }
                    }

                    try
                    {
                        await TelegramContext.GetCodeAuthenticateAsync();
                        TeleStatus = "Ждите код для подтверждения";
                        IsSetCode  = true;
                    }
                    catch (Exception ex)
                    {
                        TeleStatus = ex.Message;
                        File.Delete(PhoneNumber + ".dat");
                        IsLoggEnabled = true;
                    }
                }
                else
                {
                    TeleStatus = "Некорректный номер!\nПопробуйте: +1234...";
                }
            });
        }
        public async void OnStartCommandExecute(object obj)
        {
            IsStartEnabled = false;
            IsStopEnabled  = true;

            TeleStatus = "Рассылка запущена!";
            await Task.Run(async() =>
            {
                while (IsStopEnabled)
                {
                    foreach (var item in DataGridQueries)
                    {
                        if (item.Status == "Ожидание...")
                        {
                            if (item.DateTimeSending <= DateTime.Now)
                            {
                                TelegramContext = new TelegramLogic(PhoneNumber);
                                await TelegramContext.LogInAsync();
                                bool result      = false;
                                string exception = null;
                                try
                                {
                                    result = await TelegramContext.SendMessage(new TelegramLibrary.Models.SendingQueryModel()
                                    {
                                        PhotoPath      = item?.PhotoPath,
                                        SendingChannel = item.SendingChannel,
                                        SendingText    = item?.SendingText
                                    });
                                }
                                catch (Exception ex) { exception = ex.StackTrace; }

                                if (result)
                                {
                                    item.Status = "Успешно!";
                                    SuccessfullyRequested++;
                                    WaitingRequest--;
                                    DataWorker.AddInfoToDB(PhoneNumber, item.SendingChannel, String.IsNullOrEmpty(item?.PhotoPath),
                                                           item?.SendingText, item.DateTimeSending, true, exception);
                                }
                                else
                                {
                                    item.Status = "Не отправлено!";
                                    BadRequested++;
                                    WaitingRequest--;
                                    DataWorker.AddInfoToDB(PhoneNumber, item.SendingChannel, String.IsNullOrEmpty(item?.PhotoPath),
                                                           item?.SendingText, item.DateTimeSending, false, exception);
                                }
                                TelegramContext.LogOut();
                            }
                        }
                    }
                    Thread.Sleep(15000);
                }
            });
        }