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Lidarr/src/NzbDrone.Core/MediaFiles/DiskScanService.cs

106 lines
3.8 KiB

using System;
using System.IO;
using System.Linq;
using NLog;
using NzbDrone.Common;
using NzbDrone.Common.Disk;
using NzbDrone.Core.Configuration;
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using NzbDrone.Core.Instrumentation;
using NzbDrone.Core.MediaFiles.Commands;
using NzbDrone.Core.MediaFiles.EpisodeImport;
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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>,
IExecute<RescanSeriesCommand>
{
private readonly IDiskProvider _diskProvider;
private readonly IMakeImportDecision _importDecisionMaker;
private readonly IImportApprovedEpisodes _importApprovedEpisodes;
private readonly ICommandExecutor _commandExecutor;
private readonly IConfigService _configService;
private readonly ISeriesService _seriesService;
private readonly Logger _logger;
public DiskScanService(IDiskProvider diskProvider,
IMakeImportDecision importDecisionMaker,
IImportApprovedEpisodes importApprovedEpisodes,
ICommandExecutor commandExecutor,
IConfigService configService,
ISeriesService seriesService,
Logger logger)
{
_diskProvider = diskProvider;
_importDecisionMaker = importDecisionMaker;
_importApprovedEpisodes = importApprovedEpisodes;
_commandExecutor = commandExecutor;
_configService = configService;
_seriesService = seriesService;
_logger = logger;
}
private void Scan(Series series)
{
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_logger.ProgressInfo("Scanning disk for {0}", series.Title);
_commandExecutor.PublishCommand(new CleanMediaFileDb(series.Id));
if (!_diskProvider.FolderExists(series.Path))
{
if (_configService.CreateEmptySeriesFolders &&
_diskProvider.FolderExists(_diskProvider.GetParentFolder(series.Path)))
{
_logger.Debug("Creating missing series folder: {0}", series.Path);
_diskProvider.CreateFolder(series.Path);
}
else
{
_logger.Debug("Series folder doesn't exist: {0}", series.Path);
}
return;
}
var mediaFileList = GetVideoFiles(series.Path).ToList();
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var decisions = _importDecisionMaker.GetImportDecisions(mediaFileList, series, false);
_importApprovedEpisodes.Import(decisions);
_logger.Info("Completed scanning disk for {0}", series.Title);
}
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.Debug("{0} video files were found in {1}", mediaFileList.Count, path);
return mediaFileList.ToArray();
}
public void Handle(SeriesUpdatedEvent message)
{
Scan(message.Series);
}
public void Execute(RescanSeriesCommand message)
{
var series = _seriesService.GetSeries(message.SeriesId);
Scan(series);
}
}
}