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Lidarr/src/NzbDrone.Core/Download/CompletedDownloadService.cs

227 lines
12 KiB

using System;
using System.Collections.Generic;
using System.Linq;
using NLog;
using NzbDrone.Common;
using NzbDrone.Common.Cache;
using NzbDrone.Common.Disk;
using NzbDrone.Core.Configuration;
using NzbDrone.Core.History;
using NzbDrone.Core.MediaFiles;
using NzbDrone.Core.MediaFiles.EpisodeImport;
using NzbDrone.Core.Messaging.Commands;
using NzbDrone.Core.Messaging.Events;
using System.IO;
using NzbDrone.Common.EnsureThat;
using NzbDrone.Core.Parser;
using NzbDrone.Core.Tv;
using NzbDrone.Core.Qualities;
namespace NzbDrone.Core.Download
{
public interface ICompletedDownloadService
{
void CheckForCompletedItem(IDownloadClient downloadClient, TrackedDownload trackedDownload, List<History.History> grabbedHistory, List<History.History> importedHistory);
}
public class CompletedDownloadService : ICompletedDownloadService
{
private readonly IEventAggregator _eventAggregator;
private readonly IConfigService _configService;
private readonly IDiskProvider _diskProvider;
private readonly IDownloadedEpisodesImportService _downloadedEpisodesImportService;
private readonly IHistoryService _historyService;
private readonly Logger _logger;
public CompletedDownloadService(IEventAggregator eventAggregator,
IConfigService configService,
IDiskProvider diskProvider,
IDownloadedEpisodesImportService downloadedEpisodesImportService,
IHistoryService historyService,
Logger logger)
{
_eventAggregator = eventAggregator;
_configService = configService;
_diskProvider = diskProvider;
_downloadedEpisodesImportService = downloadedEpisodesImportService;
_historyService = historyService;
_logger = logger;
}
private List<History.History> GetHistoryItems(List<History.History> grabbedHistory, string downloadClientId)
{
return grabbedHistory.Where(h => downloadClientId.Equals(h.Data.GetValueOrDefault(DownloadTrackingService.DOWNLOAD_CLIENT_ID)))
.ToList();
}
public void CheckForCompletedItem(IDownloadClient downloadClient, TrackedDownload trackedDownload, List<History.History> grabbedHistory, List<History.History> importedHistory)
{
if (!_configService.EnableCompletedDownloadHandling)
{
return;
}
if (trackedDownload.DownloadItem.Status == DownloadItemStatus.Completed && trackedDownload.State == TrackedDownloadState.Downloading)
{
var grabbedItems = GetHistoryItems(grabbedHistory, trackedDownload.DownloadItem.DownloadClientId);
if (!grabbedItems.Any() && trackedDownload.DownloadItem.Category.IsNullOrWhiteSpace())
{
UpdateStatusMessage(trackedDownload, LogLevel.Debug, "Download wasn't grabbed by drone or not in a category, ignoring download.");
return;
}
var importedItems = GetHistoryItems(importedHistory, trackedDownload.DownloadItem.DownloadClientId);
if (importedItems.Any())
{
trackedDownload.State = TrackedDownloadState.Imported;
UpdateStatusMessage(trackedDownload, LogLevel.Debug, "Already added to history as imported.");
}
else
{
string downloadedEpisodesFolder = _configService.DownloadedEpisodesFolder;
string downloadItemOutputPath = trackedDownload.DownloadItem.OutputPath;
if (downloadItemOutputPath.IsNullOrWhiteSpace())
{
UpdateStatusMessage(trackedDownload, LogLevel.Warn, "Download doesn't contain intermediate path, ignoring download.");
return;
}
if (!downloadedEpisodesFolder.IsNullOrWhiteSpace() && (downloadedEpisodesFolder.PathEquals(downloadItemOutputPath) || downloadedEpisodesFolder.IsParentPath(downloadItemOutputPath)))
{
UpdateStatusMessage(trackedDownload, LogLevel.Warn, "Intermediate Download path inside drone factory, ignoring download.");
return;
}
if (_diskProvider.FolderExists(trackedDownload.DownloadItem.OutputPath))
{
var decisions = _downloadedEpisodesImportService.ProcessFolder(new DirectoryInfo(trackedDownload.DownloadItem.OutputPath), trackedDownload.DownloadItem);
if (!decisions.Any())
{
UpdateStatusMessage(trackedDownload, LogLevel.Error, "No files found eligible for import in {0}", trackedDownload.DownloadItem.OutputPath);
}
else if (decisions.Any(v => v.Approved))
{
UpdateStatusMessage(trackedDownload, LogLevel.Info, "Imported {0} files.", decisions.Count(v => v.Approved));
trackedDownload.State = TrackedDownloadState.Imported;
}
else
{
var rejections = decisions
.Where(v => !v.Approved)
.Select(v => v.Rejections.Aggregate(Path.GetFileName(v.LocalEpisode.Path), (a, r) => a + "\r\n- " + r))
.Aggregate("Failed to import:", (a, r) => a + "\r\n" + r);
UpdateStatusMessage(trackedDownload, LogLevel.Error, rejections);
}
}
else if (_diskProvider.FileExists(trackedDownload.DownloadItem.OutputPath))
{
var decisions = _downloadedEpisodesImportService.ProcessFile(new FileInfo(trackedDownload.DownloadItem.OutputPath), trackedDownload.DownloadItem);
if (!decisions.Any())
{
UpdateStatusMessage(trackedDownload, LogLevel.Error, "No files found eligible for import in {0}", trackedDownload.DownloadItem.OutputPath);
}
else if (decisions.Any(v => v.Approved))
{
UpdateStatusMessage(trackedDownload, LogLevel.Info, "Imported {0} files.", decisions.Count(v => v.Approved));
trackedDownload.State = TrackedDownloadState.Imported;
}
else
{
var rejections = decisions
.Where(v => !v.Approved)
.Select(v => v.Rejections.Aggregate(Path.GetFileName(v.LocalEpisode.Path), (a, r) => a + "\r\n- " + r))
.Aggregate("Failed to import:", (a, r) => a + "\r\n" + r);
UpdateStatusMessage(trackedDownload, LogLevel.Error, rejections);
}
}
else
{
if (grabbedItems.Any())
{
var episodeIds = trackedDownload.DownloadItem.RemoteEpisode.Episodes.Select(v => v.Id).ToList();
// Check if we can associate it with a previous drone factory import.
importedItems = importedHistory.Where(v => v.Data.GetValueOrDefault(DownloadTrackingService.DOWNLOAD_CLIENT_ID) == null &&
episodeIds.Contains(v.EpisodeId) &&
v.Data.GetValueOrDefault("droppedPath") != null &&
new FileInfo(v.Data["droppedPath"]).Directory.Name == grabbedItems.First().SourceTitle
).ToList();
if (importedItems.Count == 1)
{
var importedFile = new FileInfo(importedItems.First().Data["droppedPath"]);
if (importedFile.Directory.Name == grabbedItems.First().SourceTitle)
{
trackedDownload.State = TrackedDownloadState.Imported;
importedItems.First().Data[DownloadTrackingService.DOWNLOAD_CLIENT] = grabbedItems.First().Data[DownloadTrackingService.DOWNLOAD_CLIENT];
importedItems.First().Data[DownloadTrackingService.DOWNLOAD_CLIENT_ID] = grabbedItems.First().Data[DownloadTrackingService.DOWNLOAD_CLIENT_ID];
_historyService.UpdateHistoryData(importedItems.First().Id, importedItems.First().Data);
UpdateStatusMessage(trackedDownload, LogLevel.Debug, "Intermediate Download path does not exist, but found probable drone factory ImportEvent.");
return;
}
}
}
UpdateStatusMessage(trackedDownload, LogLevel.Error, "Intermediate Download path does not exist: {0}", trackedDownload.DownloadItem.OutputPath);
return;
}
}
}
if (_configService.RemoveCompletedDownloads && trackedDownload.State == TrackedDownloadState.Imported && !trackedDownload.DownloadItem.IsReadOnly)
{
try
{
_logger.Debug("[{0}] Removing completed download from history.", trackedDownload.DownloadItem.Title);
downloadClient.RemoveItem(trackedDownload.DownloadItem.DownloadClientId);
if (_diskProvider.FolderExists(trackedDownload.DownloadItem.OutputPath))
{
_logger.Debug("Removing completed download directory: {0}", trackedDownload.DownloadItem.OutputPath);
_diskProvider.DeleteFolder(trackedDownload.DownloadItem.OutputPath, true);
}
else if (_diskProvider.FileExists(trackedDownload.DownloadItem.OutputPath))
{
_logger.Debug("Removing completed download file: {0}", trackedDownload.DownloadItem.OutputPath);
_diskProvider.DeleteFile(trackedDownload.DownloadItem.OutputPath);
}
trackedDownload.State = TrackedDownloadState.Removed;
}
catch (NotSupportedException)
{
UpdateStatusMessage(trackedDownload, LogLevel.Debug, "Removing item not supported by your download client.");
}
}
}
private void UpdateStatusMessage(TrackedDownload trackedDownload, LogLevel logLevel, String message, params object[] args)
{
var statusMessage = String.Format(message, args);
var logMessage = String.Format("[{0}] {1}", trackedDownload.DownloadItem.Title, statusMessage);
if (trackedDownload.StatusMessage != statusMessage)
{
trackedDownload.HasError = logLevel >= LogLevel.Warn;
trackedDownload.StatusMessage = statusMessage;
_logger.Log(logLevel, logMessage);
}
else
{
_logger.Debug(logMessage);
}
}
}
}