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Readarr/NzbDrone.Core/Providers/PostDownloadProvider.cs

191 lines
7.2 KiB

using System;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using NLog;
using Ninject;
using NzbDrone.Common;
using NzbDrone.Core.Model;
namespace NzbDrone.Core.Providers
{
public class PostDownloadProvider
{
private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
private static readonly Regex StatusRegex = new Regex(@"^_[\w_]*_", RegexOptions.Compiled);
private readonly DiskProvider _diskProvider;
private readonly DiskScanProvider _diskScanProvider;
private readonly SeriesProvider _seriesProvider;
private readonly MetadataProvider _metadataProvider;
[Inject]
public PostDownloadProvider(DiskProvider diskProvider, DiskScanProvider diskScanProvider,
SeriesProvider seriesProvider, MetadataProvider metadataProvider)
{
_diskProvider = diskProvider;
_diskScanProvider = diskScanProvider;
_seriesProvider = seriesProvider;
_metadataProvider = metadataProvider;
}
public PostDownloadProvider()
{
}
public virtual void ProcessDropFolder(string dropFolder)
{
foreach (var subfolder in _diskProvider.GetDirectories(dropFolder))
{
try
{
if (!_seriesProvider.SeriesPathExists(subfolder))
{
ProcessDownload(new DirectoryInfo(subfolder));
}
}
catch (Exception e)
{
Logger.ErrorException("An error has occurred while importing folder" + subfolder, e);
}
}
foreach(var videoFile in _diskScanProvider.GetVideoFiles(dropFolder, false))
{
try
{
ProcessVideoFile(videoFile);
}
catch(Exception ex)
{
Logger.ErrorException("An error has occurred while importing video file" + videoFile, ex);
}
}
}
public virtual void ProcessDownload(DirectoryInfo subfolderInfo)
{
if (subfolderInfo.Name.StartsWith("_") && _diskProvider.GetLastDirectoryWrite(subfolderInfo.FullName).AddMinutes(2) > DateTime.UtcNow)
{
Logger.Trace("[{0}] is too fresh. skipping", subfolderInfo.Name);
return;
}
string seriesName = Parser.ParseSeriesName(RemoveStatusFromFolderName(subfolderInfo.Name));
var series = _seriesProvider.FindSeries(seriesName);
if (series == null)
{
Logger.Trace("Unknown Series on Import: {0}", subfolderInfo.Name);
TagFolder(subfolderInfo, PostDownloadStatusType.UnknownSeries);
return;
}
var size = _diskProvider.GetDirectorySize(subfolderInfo.FullName);
var freeSpace = _diskProvider.FreeDiskSpace(new DirectoryInfo(series.Path));
if (Convert.ToUInt64(size) > freeSpace)
{
Logger.Error("Not enough free disk space for series: {0}, {1}", series.Title, series.Path);
return;
}
_diskScanProvider.CleanUpDropFolder(subfolderInfo.FullName);
var importedFiles = _diskScanProvider.Scan(series, subfolderInfo.FullName);
importedFiles.ForEach(file => _diskScanProvider.MoveEpisodeFile(file, true));
//Create Metadata for all the episode files found
if (importedFiles.Any())
_metadataProvider.CreateForEpisodeFiles(importedFiles);
//Delete the folder only if folder is small enough
if (_diskProvider.GetDirectorySize(subfolderInfo.FullName) < Constants.IgnoreFileSize)
{
Logger.Trace("Episode(s) imported, deleting folder: {0}", subfolderInfo.Name);
_diskProvider.DeleteFolder(subfolderInfo.FullName, true);
}
else
{
if (importedFiles.Count == 0)
{
Logger.Trace("No Imported files: {0}", subfolderInfo.Name);
TagFolder(subfolderInfo, PostDownloadStatusType.ParseError);
}
else
{
//Unknown Error Importing (Possibly a lesser quality than episode currently on disk)
Logger.Trace("Unable to import series (Unknown): {0}", subfolderInfo.Name);
TagFolder(subfolderInfo, PostDownloadStatusType.Unknown);
}
}
}
public virtual void ProcessVideoFile(string videoFile)
{
if (_diskProvider.GetLastFileWrite(videoFile).AddMinutes(2) > DateTime.UtcNow)
{
Logger.Trace("[{0}] is too fresh. skipping", videoFile);
return;
}
var seriesName = Parser.ParseSeriesName(Path.GetFileNameWithoutExtension(videoFile));
var series = _seriesProvider.FindSeries(seriesName);
if (series == null)
{
Logger.Trace("Unknown Series on Import: {0}", videoFile);
return;
}
var size = _diskProvider.GetFileSize(videoFile);
var freeSpace = _diskProvider.FreeDiskSpace(new DirectoryInfo(series.Path));
if (Convert.ToUInt64(size) > freeSpace)
{
Logger.Error("Not enough free disk space for series: {0}, {1}", series.Title, series.Path);
return;
}
var episodeFile = _diskScanProvider.ImportFile(series, videoFile);
if (episodeFile != null)
{
_diskScanProvider.MoveEpisodeFile(episodeFile, true);
_metadataProvider.CreateForEpisodeFile(episodeFile);
}
}
private void TagFolder(DirectoryInfo directory, PostDownloadStatusType status)
{
//Turning off tagging folder for now, to stop messing people's series folders.
return;
var target = GetTaggedFolderName(directory, status);
if (!DiskProvider.PathEquals(target, directory.FullName))
{
Logger.Warn("Unable to download [{0}]. Status: {1}",directory.Name, status);
_diskProvider.MoveDirectory(directory.FullName, target);
}
else
{
Logger.Debug("Unable to download [{0}], {1}", directory.Name, status);
}
}
public static string GetTaggedFolderName(DirectoryInfo directoryInfo, PostDownloadStatusType status)
{
if (status == PostDownloadStatusType.NoError)
throw new InvalidOperationException("Can't tag a folder with a None-error status. " + status);
string cleanName = RemoveStatusFromFolderName(directoryInfo.Name);
string newName = string.Format("_{0}_{1}", status, cleanName);
return Path.Combine(directoryInfo.Parent.FullName, newName);
}
public static string RemoveStatusFromFolderName(string folderName)
{
return StatusRegex.Replace(folderName, string.Empty);
}
}
}