public async Task writeMetaDataAsync(MetaDataUpdateViewModelAsyncState state)
{
TotalProgressMax = state.ItemList.Count;
ItemProgressMax = 100;
TotalProgress = 0;
await Task.Factory.StartNew(() =>
{
GlobalCommands.MetaDataUpdateCommand.Execute(state);
writeMetaData(state);
}, CancellationToken, TaskCreationOptions.None, PriorityScheduler.Lowest);
OkCommand.IsExecutable = true;
CancelCommand.IsExecutable = false;
}
public async Task writeMetaDataAsync(MetaDataUpdateViewModelAsyncState state)
{
TotalProgressMax = state.ItemList.Count;
ItemProgressMax = 100;
TotalProgress = 0;
await Task.Factory.StartNew(() =>
{
GlobalCommands.MetaDataUpdateCommand.Execute(state);
writeMetaData(state);
}, CancellationToken, TaskCreationOptions.None, PriorityScheduler.Lowest);
OkCommand.IsExecutable = true;
CancelCommand.IsExecutable = false;
}
void writeMetaData(MetaDataUpdateViewModelAsyncState state)
{
List <Counter> counters = new List <Counter>();
String oldPath = "", newPath = "";
String oldFilename = "", newFilename = "", ext = "";
foreach (MediaFileItem item in state.ItemList)
{
if (CancellationToken.IsCancellationRequested)
{
return;
}
ItemProgress = 0;
ItemInfo = "Opening: " + item.Location;
bool isModified = false;
// Update Metadata values
item.EnterWriteLock();
try
{
isModified = updateMetadata(item, state);
}
catch (Exception e)
{
string info = "Error updating Metadata: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Error(info, e);
MessageBox.Show(info + "\n\n" + e.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
finally
{
item.ExitWriteLock();
}
// Save Metadata to disk
if (isModified)
{
String info;
ItemInfo = "Saving MetaData: " + item.Location;
item.EnterUpgradeableReadLock();
try
{
item.writeMetadata_URLock(MetadataFactory.WriteOptions.AUTO, this);
}
catch (Exception e)
{
info = "Error saving Metadata: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Error(info, e);
MessageBox.Show(info + "\n\n" + e.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
// reload metaData, exceptions are caught in readMetadata
if (item.Metadata != null)
{
item.Metadata.clear();
}
item.readMetadata_URLock(MetadataFactory.ReadOptions.AUTO |
MetadataFactory.ReadOptions.GENERATE_THUMBNAIL, CancellationToken);
return;
}
finally
{
item.ExitUpgradeableReadLock();
}
info = "Completed updating Metadata for: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Info(info);
}
else
{
string info = "Skipped updating Metadata (no changes) for: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Info(info);
}
// Export if requested
if (state.ImportedEnabled == true && state.IsImported == false)
{
bool success = MediaFileState.export(item, CancellationToken);
if (success)
{
string info = "Exported: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Info(info);
}
}
//rename and/or move
item.EnterReadLock();
try
{
oldPath = FileUtils.getPathWithoutFileName(item.Location);
oldFilename = Path.GetFileNameWithoutExtension(item.Location);
ext = Path.GetExtension(item.Location);
newFilename = parseNewFilename(state.Filename, state.ReplaceFilename, state.IsRegexEnabled, oldFilename, item.Metadata);
newPath = String.IsNullOrEmpty(state.Location) ? oldPath : state.Location;
newPath = newPath.TrimEnd('\\');
}
finally
{
item.ExitReadLock();
}
try
{
MediaFileState.move(item, newPath + "\\" + newFilename + ext, this);
}
catch (Exception e)
{
string info = "Error moving/renaming: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Error(info, e);
MessageBox.Show(info + "\n\n" + e.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
// import if requested
if (state.ImportedEnabled == true && state.IsImported == true)
{
bool success = false;
try
{
success = MediaFileState.import(item, CancellationToken);
}
catch (Exception e)
{
string info = "Error importing media: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Error(info, e);
MessageBox.Show(info + "\n\n" + e.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
if (success)
{
string info = "Imported: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Info(info);
}
}
ItemProgress = 100;
TotalProgress++;
}
if (state.BatchMode == true)
{
App.Current.Dispatcher.BeginInvoke(new Action(() =>
{
MiscUtils.insertIntoHistoryCollection(Settings.Default.FilenameHistory, state.Filename);
}));
}
else if (!oldFilename.Equals(newFilename))
{
App.Current.Dispatcher.BeginInvoke(new Action(() =>
{
MiscUtils.insertIntoHistoryCollection(Settings.Default.FilenameHistory, newFilename);
}));
}
if (!oldPath.Equals(newPath))
{
App.Current.Dispatcher.BeginInvoke(new Action(() =>
{
MiscUtils.insertIntoHistoryCollection(Settings.Default.MetaDataUpdateDirectoryHistory, newPath);
}));
}
}
bool updateMetadata(MediaFileItem item, MetaDataUpdateViewModelAsyncState state)
{
bool isModified = false;
if (item.Metadata == null || item.Metadata is UnknownMetadata)
{
throw new Exception("Missing or invalid metadata in media");
}
isModified = item.Metadata.IsModified;
BaseMetadata media = item.Metadata;
if (state.RatingEnabled)
{
Nullable <double> oldValue = media.Rating;
media.Rating = state.Rating.HasValue == false ? null : state.Rating * 5;
if (media.Rating != oldValue)
{
isModified = true;
}
}
if (state.TitleEnabled && !EqualityComparer <String> .Default.Equals(media.Title, state.Title))
{
media.Title = state.Title;
isModified = true;
}
if (state.DescriptionEnabled && !EqualityComparer <String> .Default.Equals(media.Description, state.Description))
{
media.Description = state.Description;
isModified = true;
}
if (state.AuthorEnabled && !EqualityComparer <String> .Default.Equals(media.Author, state.Author))
{
media.Author = state.Author;
isModified = true;
}
if (state.CopyrightEnabled && !EqualityComparer <String> .Default.Equals(media.Copyright, state.Copyright))
{
media.Copyright = state.Copyright;
isModified = true;
}
if (state.CreationEnabled && !(Nullable.Compare <DateTime>(media.CreationDate, state.Creation) == 0))
{
media.CreationDate = state.Creation;
isModified = true;
}
if (state.IsGeoTagEnabled && !(Nullable.Compare <double>(media.Latitude, state.Latitude) == 0))
{
media.Latitude = state.Latitude;
isModified = true;
}
if (state.IsGeoTagEnabled && !(Nullable.Compare <double>(media.Longitude, state.Longitude) == 0))
{
media.Longitude = state.Longitude;
isModified = true;
}
if (state.BatchMode == false && !state.Tags.SequenceEqual(media.Tags))
{
media.Tags.Clear();
foreach (Tag tag in state.Tags)
{
media.Tags.Add(tag);
}
isModified = true;
}
else if (state.BatchMode == true)
{
bool addedTag = false;
bool removedTag = false;
foreach (Tag tag in state.AddTags)
{
// Hashset compares items using their gethashcode function
// which can be different for the same database entities created at different times
if (!media.Tags.Contains(tag, EqualityComparer <Tag> .Default))
{
media.Tags.Add(tag);
addedTag = true;
}
}
foreach (Tag tag in state.RemoveTags)
{
Tag removeTag = media.Tags.FirstOrDefault((t) => t.Name.Equals(tag.Name));
if (removeTag != null)
{
media.Tags.Remove(removeTag);
removedTag = true;
}
}
if (removedTag || addedTag)
{
isModified = true;
}
}
return(isModified);
}
void writeMetaData(MetaDataUpdateViewModelAsyncState state)
{
List<Counter> counters = new List<Counter>();
String oldPath = "", newPath = "";
String oldFilename = "", newFilename = "", ext = "";
foreach (MediaFileItem item in state.ItemList)
{
if (CancellationToken.IsCancellationRequested) return;
ItemProgress = 0;
ItemInfo = "Opening: " + item.Location;
bool isModified = false;
// Update Metadata values
item.EnterWriteLock();
try
{
isModified = updateMetadata(item, state);
}
catch (Exception e)
{
string info = "Error updating Metadata: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Error(info, e);
MessageBox.Show(info + "\n\n" + e.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
finally
{
item.ExitWriteLock();
}
// Save Metadata to disk
if (isModified)
{
String info;
ItemInfo = "Saving MetaData: " + item.Location;
item.EnterUpgradeableReadLock();
try
{
item.writeMetadata_URLock(MetadataFactory.WriteOptions.AUTO, this);
}
catch (Exception e)
{
info = "Error saving Metadata: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Error(info, e);
MessageBox.Show(info + "\n\n" + e.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
// reload metaData, exceptions are caught in readMetadata
if (item.Metadata != null)
{
item.Metadata.clear();
}
item.readMetadata_URLock(MetadataFactory.ReadOptions.AUTO |
MetadataFactory.ReadOptions.GENERATE_THUMBNAIL, CancellationToken);
return;
}
finally
{
item.ExitUpgradeableReadLock();
}
info = "Completed updating Metadata for: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Info(info);
}
else
{
string info = "Skipped updating Metadata (no changes) for: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Info(info);
}
// Export if requested
if (state.ImportedEnabled == true && state.IsImported == false)
{
bool success = MediaFileState.export(item, CancellationToken);
if (success)
{
string info = "Exported: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Info(info);
}
}
//rename and/or move
item.EnterReadLock();
try
{
oldPath = FileUtils.getPathWithoutFileName(item.Location);
oldFilename = Path.GetFileNameWithoutExtension(item.Location);
ext = Path.GetExtension(item.Location);
newFilename = parseNewFilename(state.Filename, state.ReplaceFilename, state.IsRegexEnabled, oldFilename, item.Metadata);
newPath = String.IsNullOrEmpty(state.Location) ? oldPath : state.Location;
newPath = newPath.TrimEnd('\\');
}
finally
{
item.ExitReadLock();
}
try
{
MediaFileState.move(item, newPath + "\\" + newFilename + ext, this);
}
catch (Exception e)
{
string info = "Error moving/renaming: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Error(info, e);
MessageBox.Show(info + "\n\n" + e.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
// import if requested
if (state.ImportedEnabled == true && state.IsImported == true)
{
bool success = false;
try
{
success = MediaFileState.import(item, CancellationToken);
}
catch (Exception e)
{
string info = "Error importing media: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Error(info, e);
MessageBox.Show(info + "\n\n" + e.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
if (success)
{
string info = "Imported: " + item.Location;
InfoMessages.Add(info);
Logger.Log.Info(info);
}
}
ItemProgress = 100;
TotalProgress++;
}
if (state.BatchMode == true)
{
App.Current.Dispatcher.BeginInvoke(new Action(() =>
{
MiscUtils.insertIntoHistoryCollection(Settings.Default.FilenameHistory, state.Filename);
}));
}
else if (!oldFilename.Equals(newFilename))
{
App.Current.Dispatcher.BeginInvoke(new Action(() =>
{
MiscUtils.insertIntoHistoryCollection(Settings.Default.FilenameHistory, newFilename);
}));
}
if (!oldPath.Equals(newPath))
{
App.Current.Dispatcher.BeginInvoke(new Action(() =>
{
MiscUtils.insertIntoHistoryCollection(Settings.Default.MetaDataUpdateDirectoryHistory, newPath);
}));
}
}
bool updateMetadata(MediaFileItem item, MetaDataUpdateViewModelAsyncState state)
{
bool isModified = false;
if (item.Metadata == null || item.Metadata is UnknownMetadata)
{
throw new Exception("Missing or invalid metadata in media");
}
isModified = item.Metadata.IsModified;
BaseMetadata media = item.Metadata;
if (state.RatingEnabled)
{
Nullable<double> oldValue = media.Rating;
media.Rating = state.Rating.HasValue == false ? null : state.Rating * 5;
if (media.Rating != oldValue)
{
isModified = true;
}
}
if (state.TitleEnabled && !EqualityComparer<String>.Default.Equals(media.Title, state.Title))
{
media.Title = state.Title;
isModified = true;
}
if (state.DescriptionEnabled && !EqualityComparer<String>.Default.Equals(media.Description, state.Description))
{
media.Description = state.Description;
isModified = true;
}
if (state.AuthorEnabled && !EqualityComparer<String>.Default.Equals(media.Author, state.Author))
{
media.Author = state.Author;
isModified = true;
}
if (state.CopyrightEnabled && !EqualityComparer<String>.Default.Equals(media.Copyright, state.Copyright))
{
media.Copyright = state.Copyright;
isModified = true;
}
if (state.CreationEnabled && !(Nullable.Compare<DateTime>(media.CreationDate, state.Creation) == 0))
{
media.CreationDate = state.Creation;
isModified = true;
}
if (state.IsGeoTagEnabled && !(Nullable.Compare<double>(media.Latitude, state.Latitude) == 0))
{
media.Latitude = state.Latitude;
isModified = true;
}
if (state.IsGeoTagEnabled && !(Nullable.Compare<double>(media.Longitude, state.Longitude) == 0))
{
media.Longitude = state.Longitude;
isModified = true;
}
if (state.BatchMode == false && !state.Tags.SequenceEqual(media.Tags))
{
media.Tags.Clear();
foreach (Tag tag in state.Tags)
{
media.Tags.Add(tag);
}
isModified = true;
}
else if (state.BatchMode == true)
{
bool addedTag = false;
bool removedTag = false;
foreach (Tag tag in state.AddTags)
{
// Hashset compares items using their gethashcode function
// which can be different for the same database entities created at different times
if (!media.Tags.Contains(tag, EqualityComparer<Tag>.Default))
{
media.Tags.Add(tag);
addedTag = true;
}
}
foreach (Tag tag in state.RemoveTags)
{
Tag removeTag = media.Tags.FirstOrDefault((t) => t.Name.Equals(tag.Name));
if (removeTag != null)
{
media.Tags.Remove(removeTag);
removedTag = true;
}
}
if (removedTag || addedTag)
{
isModified = true;
}
}
return (isModified);
}