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Lidarr/NzbDrone.Core/MediaFiles/DiskScanService.cs

77 lines
2.7 KiB

using System.IO;
using System.Linq;
using NLog;
using NzbDrone.Common;
using NzbDrone.Core.Instrumentation;
using NzbDrone.Core.MediaFiles.Commands;
using NzbDrone.Core.MediaFiles.EpisodeImport;
using NzbDrone.Core.Messaging.Commands;
using NzbDrone.Core.Messaging.Events;
using NzbDrone.Core.Tv;
using NzbDrone.Core.Tv.Events;
namespace NzbDrone.Core.MediaFiles
{
public interface IDiskScanService
{
string[] GetVideoFiles(string path, bool allDirectories = true);
}
public class DiskScanService :
IDiskScanService,
IHandle<SeriesUpdatedEvent>
{
private readonly IDiskProvider _diskProvider;
private readonly IMakeImportDecision _importDecisionMaker;
private readonly IImportApprovedEpisodes _importApprovedEpisodes;
private readonly ICommandExecutor _commandExecutor;
private readonly Logger _logger;
public DiskScanService(IDiskProvider diskProvider,
IMakeImportDecision importDecisionMaker,
IImportApprovedEpisodes importApprovedEpisodes,
ICommandExecutor commandExecutor, Logger logger)
{
_diskProvider = diskProvider;
_importDecisionMaker = importDecisionMaker;
_importApprovedEpisodes = importApprovedEpisodes;
_commandExecutor = commandExecutor;
_logger = logger;
}
private void Scan(Series series)
{
_logger.ProgressInfo("Scanning disk for {0}", series.Title);
_commandExecutor.PublishCommand(new CleanMediaFileDb(series.Id));
if (!_diskProvider.FolderExists(series.Path))
{
_logger.Debug("Series folder doesn't exist: {0}", series.Path);
return;
}
var mediaFileList = GetVideoFiles(series.Path);
var decisions = _importDecisionMaker.GetImportDecisions(mediaFileList, series, false);
_importApprovedEpisodes.Import(decisions);
}
public string[] GetVideoFiles(string path, bool allDirectories = true)
{
_logger.Debug("Scanning '{0}' for video files", path);
var searchOption = allDirectories ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
var filesOnDisk = _diskProvider.GetFiles(path, searchOption);
var mediaFileList = filesOnDisk.Where(c => MediaFileExtensions.Extensions.Contains(Path.GetExtension(c).ToLower())).ToList();
_logger.Trace("{0} video files were found in {1}", mediaFileList.Count, path);
return mediaFileList.ToArray();
}
public void Handle(SeriesUpdatedEvent message)
{
Scan(message.Series);
}
}
}