private async Task ImportList(object json)
{
if (!(await _dialogService.Confirm("Are you sure to import channels list?")))
{
return;
}
try
{
_loggingService.Info($"Importing channels");
var chs = await _channelService.LoadChannels();
var importedChannels = JsonConvert.DeserializeObject <ObservableCollection <DVBTChannel> >(json as string);
var count = 0;
foreach (var ch in importedChannels)
{
if (!ConfigViewModel.ChannelExists(chs, ch.Frequency, ch.ProgramMapPID))
{
count++;
ch.Number = ConfigViewModel.GetNextChannelNumber(chs).ToString();
chs.Add(ch);
}
}
await _channelService.SaveChannels(chs);
MessagingCenter.Send($"Imported channels count: {count}", BaseViewModel.MSG_ToastMessage);
await Refresh();
}
catch (Exception ex)
{
_loggingService.Error(ex, "Import failed");
await _dialogService.Error($"Import failed");
}
}
private async Task ShareLog()
{
try
{
_loggingService.Info("Sharing channels list");
var chs = await _channelService.LoadChannels();
if (chs.Count == 0)
{
await _dialogService.Information("Channel list is empty");
return;
}
var shareDir = Path.Combine(BaseViewModel.AndroidAppDirectory, "shared");
if (!Directory.Exists(shareDir))
{
Directory.CreateDirectory(shareDir);
}
var listPath = Path.Combine(shareDir, "DVBTTelevizor.channels.json");
if (File.Exists(listPath))
{
File.Delete(listPath);
}
File.WriteAllText(listPath, JsonConvert.SerializeObject(chs));
MessagingCenter.Send(listPath, BaseViewModel.MSG_ShareFile);
} catch (Exception ex)
{
_loggingService.Error(ex);
MessagingCenter.Send($"File sharing failed", BaseViewModel.MSG_ToastMessage);
}
}
private async Task Tune()
{
_loggingService.Info($"Tuning");
State = TuneState.TuningInProgress;
TunedChannels.Clear();
_channels = await _channelService.LoadChannels();
if (_channels == null)
{
_channels = new ObservableCollection <DVBTChannel>();
}
OnPropertyChanged(nameof(TuningLabel));
OnPropertyChanged(nameof(AutomaticTuningProgress));
TuningAborted = false;
try
{
if (ManualTuning)
{
long freq = Convert.ToInt64(TuneFrequency) * 1000000;
long bandWidth = TuneBandwidth * 1000000;
var ch = Convert.ToInt32((Convert.ToInt64(TuneFrequency) - 474 + 8 * 21) / 8);
_actualTunningChannel = ch;
_actualTuningDVBTType = 0;
OnPropertyChanged(nameof(TuningLabel));
if (DVBTTuning)
{
await Tune(freq, bandWidth, 0);
}
_actualTuningDVBTType = 1;
OnPropertyChanged(nameof(TuningLabel));
if (DVBT2Tuning)
{
await Tune(freq, bandWidth, 1);
}
}
else
{
await AutomaticTune();
}
State = TuneState.TuneFinishedOK;
}
catch (Exception ex)
{
State = TuneState.TuneFailed;
}
finally
{
OnPropertyChanged(nameof(TuningFinished));
OnPropertyChanged(nameof(TunedChannels));
OnPropertyChanged(nameof(AddChannelsVisible));
OnPropertyChanged(nameof(TuningLabel));
OnPropertyChanged(nameof(AutomaticTuningProgress));
}
}