async Task ExecuteLoadAudiosCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Audios.Clear();
var audios = await AudiosRepository.GetItemsAsync();
foreach (var audio in audios)
{
Audios.Add(audio);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
public async Task SelectAudio(Audio audio)
{
string fileName = Path.GetFileName(audio.FileName);
string folderName = Path.GetDirectoryName(audio.FileName);
IFolder folder = await FileSystem.Current.GetFolderFromPathAsync(folderName);
bool exist = await fileName.IsFileExistAsync(folder);
if (exist == true)
{
IFile file = await folder.GetFileAsync(fileName);
await CrossMediaManager.Current.Play(audio.FileName);
}
if (exist == false)
{
var audioFile = await FilesService.GetItemAsync(audio.Id);
folder = FileSystem.Current.LocalStorage;
IFile file = await folder.CreateFileAsync(audio.Id.ToString(), CreationCollisionOption.ReplaceExisting);
var stream = await file.OpenAsync(FileAccess.ReadAndWrite);
await stream.WriteAsync(audioFile.FileData, 0, audioFile.FileData.Length);
stream.Dispose();
}
await AudiosRepository.UpdateItemAsync(audio);
}
public AudiosViewModel()
{
Title = "Audios";
Audios = new ObservableCollection <Audio>();
LoadAudiosCommand = new Command(async() => await ExecuteLoadAudiosCommand());
MessagingCenter.Subscribe <NewAudioPage>(this, "AddAudio", async(obj) =>
{
try
{
IsBusy = true;
var audio = AudioTagHelper.Read(obj.PickedFile.FilePath, obj.PickedFile.DataArray);
var isAudioAdded = await AudiosRepository.AddItemAsync(audio);
if (isAudioAdded)
{
Audios.Add(audio);
var audioFile = new AudioFile(audio.Id, obj.PickedFile.DataArray);
var isFileAdded = await FilesService.AddItemAsync(audioFile);
}
}
catch (Exception ex)
{
}
finally
{
IsBusy = false;
}
});
}
