public IEnumerable <AbstractMediaMetaData> Execute(IMetaDataExtractor extractor, string folder, bool includeSubFolders)
{
var files = Directory.EnumerateFiles(
folder,
extractor.FileSearchPattern,
includeSubFolders ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly);
if (UseParallelProcessing)
{
var result = new List <AbstractMediaMetaData>();
var locker = new object();
const int batchSize = 10;
var batches = files.Batch(batchSize);
#pragma warning disable PH_S022 // Parallel.For with Monitor Synchronization
Parallel.ForEach(
batches,
batch =>
{
var localResult = ProcessBatch(extractor, batch);
lock (locker)
{
result.AddRange(localResult);
}
});
#pragma warning restore PH_S022 // Parallel.For with Monitor Synchronization
return(result);
}
return(ProcessBatch(extractor, files));
}
public FormatFileNameGenerator(IMetaDataExtractor imageMetaDataExtractor)
{
if (imageMetaDataExtractor == null)
{
throw new ArgumentNullException(nameof(imageMetaDataExtractor));
}
_imageMetaDataExtractor = imageMetaDataExtractor;
}
public EquipmentDetector(IFolderManager folderManager, IMetaDataExtractor imageMetaDataExtractor)
{
if (folderManager == null)
{
throw new ArgumentNullException(nameof(folderManager));
}
if (imageMetaDataExtractor == null)
{
throw new ArgumentNullException(nameof(imageMetaDataExtractor));
}
_folderManager = folderManager;
_imageMetaDataExtractor = imageMetaDataExtractor;
}
private IEnumerable <AbstractMediaMetaData> ProcessBatch(
IMetaDataExtractor extractor,
IEnumerable <string> files)
{
foreach (var file in files)
{
var metaData = extractor.Extract(file);
var filename = Path.GetFileName(file);
if (metaData == null)
{
OnProgressEvent(filename, "Could not extract metadata", error: true);
continue;
}
OnProgressEvent(filename, $"Processing {filename}");
yield return(metaData);
}
}
public (int count, string outputPath) Execute(
IMetaDataExtractor extractor,
string folder,
bool includeSubFolders,
bool useParallelProcessing)
{
var reader = new MediaFileReader
{
UseParallelProcessing = useParallelProcessing
};
ConfigureProgress(reader);
var writer = new OutputWriter();
var outputPath = GetOutputFilePath(folder, extractor.OutputFileName);
var count = writer.Execute(outputPath, reader.Execute(extractor, folder, includeSubFolders).ToArray());
return(count, outputPath);
}
