private void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
string localFilesPath = Path.Combine(_path, "LocalFiles.xml");
XmlSerializer serializer = new XmlSerializer(typeof(LocalFiles));
if (File.Exists(localFilesPath))
{
// Read and deserialize the cached data if it exists.
// TODO: Add expiration date logic to re-slurp files.
TextReader reader = new StreamReader(localFilesPath);
try
{
_localFiles = (LocalFiles)serializer.Deserialize(reader);
reader.Close();
}
catch (InvalidOperationException unused)
{
MessageBox.Show("There was an error reading the cache file. Recreating it now.", "Error reading settings!", MessageBoxButtons.OK, MessageBoxIcon.Error);
reader.Close();
// If the file was unreadable slurp the files from the specified locations.
slurpFiles(serializer);
}
}
else
{
// If the file doesn't exist slurp files from the specified locations.
slurpFiles(serializer);
}
stopwatch.Stop();
Trace.WriteLine(string.Format("Total time: {0}", stopwatch.Elapsed));
Trace.WriteLine(string.Format("Total songs added: {0}", _localFiles.Songs.Count));
}
private void slurpFiles(XmlSerializer serializer)
{
_localFiles = new LocalFiles
{
Locations = Settings.Default.Locations,
ThreadsPerProcessor = Settings.Default.ThreadsPerProcessor,
Extensions = Settings.Default.Extensions
};
_localFiles.Slurp();
TextWriter writer = new StreamWriter(Path.Combine(_path, "LocalFiles.xml"));
serializer.Serialize(writer, _localFiles);
writer.Close();
}