/// <summary>
/// Occurs when the update library process background worker needs to do its job.
/// </summary>
/// <param name='sender'>Object sender</param>
/// <param name='e'>Event arguments</param>
protected void workerUpdateLibrary_DoWork(object sender, DoWorkEventArgs e)
{
List<string> filePaths = new List<string>();
UpdateLibraryArgument arg = (UpdateLibraryArgument)e.Argument;
filePaths.AddRange(arg.FilePaths);
try
{
// Remove broken songs from the library
OnRaiseRefreshStatusEvent(new UpdateLibraryEntity() {
Title = "Checking for broken file paths",
Subtitle = "Checking if songs have been deleted on your hard disk but not removed from the library",
PercentageDone = 0
});
_libraryService.RemoveAudioFilesWithBrokenFilePaths();
if (_cancelUpdateLibrary) throw new UpdateLibraryException();
filePaths = SearchMediaFilesInFolders(arg.FolderPaths);
if (_cancelUpdateLibrary) throw new UpdateLibraryException();
// Get the list of audio files from the database
var filePathsDatabase = _libraryService.SelectFilePaths();
var filePathsToUpdate = filePaths.Except(filePathsDatabase);
var audioFiles = new List<AudioFile>();
for(int a = 0; a < filePathsToUpdate.Count(); a++)
{
if (_cancelUpdateLibrary) throw new UpdateLibraryException();
// Get current file path and calculate stats
string filePath = filePathsToUpdate.ElementAt(a);
float percentCompleted = ((float)a / (float)filePathsToUpdate.Count());
try
{
// Check if this is a playlist file
if (filePath.ToUpper().Contains(".M3U") ||
filePath.ToUpper().Contains(".M3U8") ||
filePath.ToUpper().Contains(".PLS") ||
filePath.ToUpper().Contains(".XSPF"))
{
var playlistFile = new PlaylistFile(filePath);
_libraryService.InsertPlaylistFile(playlistFile);
}
else
{
var audioFile = new AudioFile(filePath, Guid.NewGuid(), true);
//_libraryService.InsertAudioFile(audioFile);
audioFiles.Add(audioFile);
if (audioFiles.Count >= 50)
{
//Console.WriteLine("UpdateLibraryService - Inserting 20 audio files into database...");
_libraryService.InsertAudioFiles(audioFiles);
audioFiles.Clear();
}
}
OnRaiseRefreshStatusEvent(new UpdateLibraryEntity() {
Title = "Adding audio files to the library",
Subtitle = "Adding " + Path.GetFileName(filePath),
FilePath = filePath,
PercentageDone = percentCompleted,
FileIndex = a,
FileCount = filePathsToUpdate.Count()
});
}
catch (Exception ex)
{
Console.WriteLine("UpdateLibraryService - Failed to add {0}: {1}", filePath, ex);
OnRaiseRefreshStatusEvent(new UpdateLibraryEntity() {
Title = "Adding audio files to the library",
Subtitle = "Adding " + filePath,
FilePath = filePath,
PercentageDone = percentCompleted,
FileIndex = a,
FileCount = filePathsToUpdate.Count(),
Exception = ex
});
}
}
if(audioFiles.Count > 0)
_libraryService.InsertAudioFiles(audioFiles);
// Cancel thread if necessary
if (_cancelUpdateLibrary) throw new UpdateLibraryException();
// // Compact database
// TODO: Lags like hell on iOS, completely blocks the UI thread even though it is done in another thread...
// OnRaiseRefreshStatusEvent(new UpdateLibraryEntity() {
// Title = "Compacting database",
// Subtitle = "Compacting database...",
// PercentageDone = 1
// });
// Task.Factory.StartNew(() => {
// _libraryService.CompactDatabase();
// });
}
catch (UpdateLibraryException ex)
{
OnRaiseRefreshStatusEvent(new UpdateLibraryEntity() {
Title = "Update process canceled",
Subtitle = "The update process was canceled by the user."
});
e.Cancel = true;
}
catch (Exception ex)
{
OnRaiseRefreshStatusEvent(new UpdateLibraryEntity() {
Title = "Error updating library",
Subtitle = "An error has occured: " + ex.Message + "\n" + ex.StackTrace
});
}
}
public void InsertPlaylistFile(PlaylistFile playlistFile)
{
_gateway.InsertPlaylistFile(playlistFile);
}
