Radarr/NzbDrone.Core/Providers/PostDownloadProvider.cs

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C#
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using System;
using System.IO;
using System.Text.RegularExpressions;
using NLog;
using Ninject;
using NzbDrone.Core.Model;
using NzbDrone.Core.Providers.Core;
namespace NzbDrone.Core.Providers
{
public class PostDownloadProvider
{
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private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
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private static readonly Regex StatusRegex = new Regex(@"^_[\w_]*_", RegexOptions.Compiled);
private readonly DiskProvider _diskProvider;
private readonly DiskScanProvider _diskScanProvider;
private readonly SeriesProvider _seriesProvider;
[Inject]
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public PostDownloadProvider(DiskProvider diskProvider, DiskScanProvider diskScanProvider,
SeriesProvider seriesProvider)
{
_diskProvider = diskProvider;
_diskScanProvider = diskScanProvider;
_seriesProvider = seriesProvider;
}
public PostDownloadProvider()
{
}
public virtual void ProcessDropFolder(string dropFolder)
{
foreach (var subfolder in _diskProvider.GetDirectories(dropFolder))
{
try
{
ProcessDownload(new DirectoryInfo(subfolder));
}
catch (Exception e)
{
Logger.ErrorException("An error has occurred while importing folder" + subfolder, e);
}
}
}
public virtual void ProcessDownload(DirectoryInfo subfolderInfo)
{
if (subfolderInfo.Name.StartsWith("_") && subfolderInfo.LastWriteTimeUtc.AddMinutes(1) > DateTime.UtcNow)
{
Logger.Trace("[{0}] is too fresh. skipping", subfolderInfo.Name);
return;
}
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string seriesName = Parser.ParseSeriesName(RemoveStatusFromFolderName(subfolderInfo.Name));
var series = _seriesProvider.FindSeries(seriesName);
if (series == null)
{
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Logger.Warn("Unable to Import new download [{0}], Can't find matching series in database.",
subfolderInfo.Name);
TagFolder(subfolderInfo, PostDownloadStatusType.UnknownSeries);
return;
}
var importedFiles = _diskScanProvider.Scan(series, subfolderInfo.FullName);
importedFiles.ForEach(file => _diskScanProvider.MoveEpisodeFile(file, true));
//Delete the folder only if folder is small enough
if (_diskProvider.GetDirectorySize(subfolderInfo.FullName) < Constants.IgnoreFileSize)
{
_diskProvider.DeleteFolder(subfolderInfo.FullName, true);
}
else
{
if (importedFiles.Count == 0)
{
Logger.Warn("Unable to Import new download [{0}], no importable files were found.",
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subfolderInfo.Name);
TagFolder(subfolderInfo, PostDownloadStatusType.ParseError);
}
else
{
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//Unknown Error Importing (Possibly a lesser quality than episode currently on disk)
Logger.Warn("Unable to Import new download [{0}].", subfolderInfo.Name);
TagFolder(subfolderInfo, PostDownloadStatusType.Unknown);
}
}
}
private void TagFolder(DirectoryInfo directory, PostDownloadStatusType status)
{
var target = GetTaggedFolderName(directory, status);
if (!String.Equals(Parser.NormalizePath(target), Parser.NormalizePath(directory.FullName), StringComparison.InvariantCultureIgnoreCase))
{
_diskProvider.MoveDirectory(directory.FullName, target);
}
}
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);
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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);
}
}
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}