void IPrivateTagCleanupRequestHandler.CullPrivateTagsByOwner(
LoadingUpdater updater,
IEnumerable <string> tagOwners)
{
updater.SetTitle("Deleting Selected Private Tags");
int count = db.Recordings.Count();
updater.SetSubtitle($"Scanning and Updating Recordings... (0/{count})\n");
updater.SetLimit(count);
HashSet <string> owners = new HashSet <string>(tagOwners);
int i = 0;
int modifiedCount = 0;
string modifiedString = "";
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
foreach (Recording recording in db.Recordings)
{
i++;
if (stopwatch.ElapsedMilliseconds > Settings.BarUpdatePeriod)
{
updater.SetProgress(i);
if (modifiedCount > 0)
{
modifiedString = $"Modified {modifiedCount} Files.";
}
updater.SetSubtitle($"Scanning and Updating Recordings... ({i}/{count})\n{modifiedString}");
stopwatch.Restart();
}
try
{
using (TagLib.File file = TagLib.File.Create(recording.Filename))
{
if (file.GetTag(TagLib.TagTypes.Id3v2, true) is TagLib.Id3v2.Tag id3Tag)
{
bool write = false;
foreach (var privFrame in id3Tag.GetFrames().OfType <TagLib.Id3v2.PrivateFrame>().ToList())
{
if (string.IsNullOrEmpty(privFrame.Owner) ||
privFrame.PrivateData == null ||
privFrame.PrivateData.Data.Length == 0 ||
owners.Contains(privFrame.Owner))
{
write = true;
id3Tag.RemoveFrame(privFrame);
}
}
if (write)
{
file.Mode = TagLib.File.AccessMode.Write;
file.Save();
modifiedCount++;
}
}
}
}
catch (TagLib.UnsupportedFormatException)
{
Console.WriteLine($"{consoleDiv}\nSkipping UNSUPPORTED FILE: {recording.Filename}\n");
continue;
}
catch (TagLib.CorruptFileException)
{
Console.WriteLine($"{consoleDiv}\nSkipping CORRUPT FILE: {recording.Filename}\n");
continue;
}
catch (IOException)
{
Console.WriteLine($"{consoleDiv}\nSkipping Writing Tag To FILE IN USE: {recording.Filename}\n");
continue;
}
catch (Exception e)
{
Exception excp = e;
StringBuilder errorMessage = new StringBuilder();
while (excp != null)
{
errorMessage.Append(excp.Message);
excp = excp.InnerException;
if (excp != null)
{
errorMessage.Append("\n\t");
}
}
Console.WriteLine(
$"{consoleDiv}\nUnanticipated Exception for file: {recording.Filename}\n{errorMessage.ToString()}\n");
System.Windows.MessageBox.Show(
messageBoxText: $"Unanticipated Exception for file: {recording.Filename}\n{consoleDiv}\n{errorMessage.ToString()}",
caption: "Unanticipated Exception");
continue;
}
}
}
IEnumerable <string> IPrivateTagCleanupRequestHandler.GetAllPrivateTagOwners(LoadingUpdater updater)
{
updater.SetTitle("Searching All Files For Private Tag Owners");
int count = db.Recordings.Count();
updater.SetSubtitle($"Scanning Recording Tags... (0/{count})");
updater.SetLimit(count);
HashSet <string> owners = new HashSet <string>();
int i = 0;
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
foreach (Recording recording in db.Recordings)
{
i++;
if (stopwatch.ElapsedMilliseconds > Settings.BarUpdatePeriod)
{
updater.SetProgress(i);
updater.SetSubtitle($"Scanning Recording Tags... ({i}/{count})");
stopwatch.Restart();
}
try
{
using (TagLib.File file = TagLib.File.Create(recording.Filename))
{
if (file.GetTag(TagLib.TagTypes.Id3v2, true) is TagLib.Id3v2.Tag id3Tag)
{
foreach (var privFrame in id3Tag.GetFrames().OfType <TagLib.Id3v2.PrivateFrame>().ToList())
{
if (!string.IsNullOrEmpty(privFrame.Owner))
{
owners.Add(privFrame.Owner);
}
}
}
}
}
catch (TagLib.UnsupportedFormatException)
{
Console.WriteLine($"{consoleDiv}\nSkipping UNSUPPORTED FILE: {recording.Filename}\n");
continue;
}
catch (TagLib.CorruptFileException)
{
Console.WriteLine($"{consoleDiv}\nSkipping CORRUPT FILE: {recording.Filename}\n");
continue;
}
catch (Exception e)
{
Exception excp = e;
StringBuilder errorMessage = new StringBuilder();
while (excp != null)
{
errorMessage.Append(excp.Message);
excp = excp.InnerException;
if (excp != null)
{
errorMessage.Append("\n\t");
}
}
Console.WriteLine(
$"{consoleDiv}\nUnanticipated Exception for file: {recording.Filename}\n{errorMessage.ToString()}\n");
System.Windows.MessageBox.Show(
messageBoxText: $"Unanticipated Exception for file: {recording.Filename}\n{consoleDiv}\n{errorMessage.ToString()}",
caption: "Unanticipated Exception");
continue;
}
}
return(owners);
}