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246 lines
10 KiB
246 lines
10 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using NLog;
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using NzbDrone.Common.Cache;
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using NzbDrone.Common.Extensions;
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using NzbDrone.Core.Configuration;
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using NzbDrone.Core.CustomFormats;
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using NzbDrone.Core.Download.History;
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using NzbDrone.Core.History;
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using NzbDrone.Core.Messaging.Events;
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using NzbDrone.Core.Movies.Events;
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using NzbDrone.Core.Parser;
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namespace NzbDrone.Core.Download.TrackedDownloads
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{
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public interface ITrackedDownloadService
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{
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TrackedDownload Find(string downloadId);
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void StopTracking(string downloadId);
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void StopTracking(List<string> downloadIds);
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TrackedDownload TrackDownload(DownloadClientDefinition downloadClient, DownloadClientItem downloadItem);
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List<TrackedDownload> GetTrackedDownloads();
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void UpdateTrackable(List<TrackedDownload> trackedDownloads);
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}
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public class TrackedDownloadService : ITrackedDownloadService,
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IHandle<MoviesDeletedEvent>
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{
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private readonly IParsingService _parsingService;
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private readonly IHistoryService _historyService;
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private readonly IEventAggregator _eventAggregator;
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private readonly IDownloadHistoryService _downloadHistoryService;
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private readonly IConfigService _config;
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private readonly ICustomFormatCalculationService _formatCalculator;
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private readonly Logger _logger;
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private readonly ICached<TrackedDownload> _cache;
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public TrackedDownloadService(IParsingService parsingService,
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ICacheManager cacheManager,
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IHistoryService historyService,
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IConfigService config,
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ICustomFormatCalculationService formatCalculator,
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IEventAggregator eventAggregator,
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IDownloadHistoryService downloadHistoryService,
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Logger logger)
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{
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_parsingService = parsingService;
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_historyService = historyService;
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_cache = cacheManager.GetCache<TrackedDownload>(GetType());
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_config = config;
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_formatCalculator = formatCalculator;
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_eventAggregator = eventAggregator;
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_downloadHistoryService = downloadHistoryService;
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_logger = logger;
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}
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public TrackedDownload Find(string downloadId)
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{
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return _cache.Find(downloadId);
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}
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public void StopTracking(string downloadId)
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{
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var trackedDownload = _cache.Find(downloadId);
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_cache.Remove(downloadId);
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_eventAggregator.PublishEvent(new TrackedDownloadsRemovedEvent(new List<TrackedDownload> { trackedDownload }));
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}
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public void StopTracking(List<string> downloadIds)
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{
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var trackedDownloads = new List<TrackedDownload>();
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foreach (var downloadId in downloadIds)
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{
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var trackedDownload = _cache.Find(downloadId);
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_cache.Remove(downloadId);
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trackedDownloads.Add(trackedDownload);
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}
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_eventAggregator.PublishEvent(new TrackedDownloadsRemovedEvent(trackedDownloads));
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}
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public TrackedDownload TrackDownload(DownloadClientDefinition downloadClient, DownloadClientItem downloadItem)
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{
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var existingItem = Find(downloadItem.DownloadId);
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if (existingItem != null && existingItem.State != TrackedDownloadState.Downloading)
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{
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LogItemChange(existingItem, existingItem.DownloadItem, downloadItem);
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existingItem.DownloadItem = downloadItem;
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existingItem.IsTrackable = true;
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return existingItem;
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}
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var trackedDownload = new TrackedDownload
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{
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DownloadClient = downloadClient.Id,
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DownloadItem = downloadItem,
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Protocol = downloadClient.Protocol,
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IsTrackable = true
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};
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try
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{
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var historyItems = _historyService.FindByDownloadId(downloadItem.DownloadId)
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.OrderByDescending(h => h.Date)
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.ToList();
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var grabbedHistoryItem = historyItems.FirstOrDefault(h => h.EventType == MovieHistoryEventType.Grabbed);
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// TODO: Create release info from history and use that here, so we don't loose indexer flags!
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var parsedMovieInfo = _parsingService.ParseMovieInfo(trackedDownload.DownloadItem.Title, new List<object> { grabbedHistoryItem });
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if (parsedMovieInfo != null)
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{
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trackedDownload.RemoteMovie = _parsingService.Map(parsedMovieInfo, "", null).RemoteMovie;
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}
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var downloadHistory = _downloadHistoryService.GetLatestDownloadHistoryItem(downloadItem.DownloadId);
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if (downloadHistory != null)
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{
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var state = GetStateFromHistory(downloadHistory.EventType);
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trackedDownload.State = state;
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}
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if (historyItems.Any())
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{
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var firstHistoryItem = historyItems.FirstOrDefault();
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var grabbedEvent = historyItems.FirstOrDefault(v => v.EventType == MovieHistoryEventType.Grabbed);
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trackedDownload.Indexer = grabbedEvent?.Data["indexer"];
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if (parsedMovieInfo == null ||
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trackedDownload.RemoteMovie == null ||
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trackedDownload.RemoteMovie.Movie == null)
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{
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parsedMovieInfo = _parsingService.ParseMovieInfo(firstHistoryItem.SourceTitle, new List<object> { grabbedHistoryItem });
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if (parsedMovieInfo != null)
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{
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trackedDownload.RemoteMovie = _parsingService.Map(parsedMovieInfo, "", null).RemoteMovie;
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}
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}
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}
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// Calculate custom formats
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if (trackedDownload.RemoteMovie != null)
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{
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trackedDownload.RemoteMovie.CustomFormats = _formatCalculator.ParseCustomFormat(parsedMovieInfo, trackedDownload.RemoteMovie.Movie);
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}
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// Track it so it can be displayed in the queue even though we can't determine which movie it is for
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if (trackedDownload.RemoteMovie == null)
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{
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_logger.Trace("No Movie found for download '{0}'", trackedDownload.DownloadItem.Title);
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}
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}
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catch (Exception e)
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{
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_logger.Debug(e, "Failed to find movie for " + downloadItem.Title);
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return null;
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}
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LogItemChange(trackedDownload, existingItem?.DownloadItem, trackedDownload.DownloadItem);
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_cache.Set(trackedDownload.DownloadItem.DownloadId, trackedDownload);
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return trackedDownload;
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}
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public List<TrackedDownload> GetTrackedDownloads()
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{
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return _cache.Values.ToList();
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}
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public void UpdateTrackable(List<TrackedDownload> trackedDownloads)
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{
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var untrackable = GetTrackedDownloads().ExceptBy(t => t.DownloadItem.DownloadId, trackedDownloads, t => t.DownloadItem.DownloadId, StringComparer.CurrentCulture).ToList();
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foreach (var trackedDownload in untrackable)
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{
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trackedDownload.IsTrackable = false;
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}
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}
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private void UpdateCachedItem(TrackedDownload trackedDownload)
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{
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var parsedMovieInfo = Parser.Parser.ParseMovieTitle(trackedDownload.DownloadItem.Title);
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trackedDownload.RemoteMovie = parsedMovieInfo == null ? null : _parsingService.Map(parsedMovieInfo, "", null).RemoteMovie;
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}
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private static TrackedDownloadState GetStateFromHistory(DownloadHistoryEventType eventType)
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{
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switch (eventType)
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{
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case DownloadHistoryEventType.DownloadImported:
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return TrackedDownloadState.Imported;
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case DownloadHistoryEventType.DownloadFailed:
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return TrackedDownloadState.Failed;
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case DownloadHistoryEventType.DownloadIgnored:
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return TrackedDownloadState.Ignored;
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default:
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return TrackedDownloadState.Downloading;
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}
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}
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private void LogItemChange(TrackedDownload trackedDownload, DownloadClientItem existingItem, DownloadClientItem downloadItem)
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{
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if (existingItem == null ||
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existingItem.Status != downloadItem.Status ||
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existingItem.CanBeRemoved != downloadItem.CanBeRemoved ||
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existingItem.CanMoveFiles != downloadItem.CanMoveFiles)
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{
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_logger.Debug("Tracking '{0}:{1}': ClientState={2}{3} RadarrStage={4} Movie='{5}' OutputPath={6}.",
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downloadItem.DownloadClientInfo.Name,
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downloadItem.Title,
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downloadItem.Status,
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downloadItem.CanBeRemoved ? "" : downloadItem.CanMoveFiles ? " (busy)" : " (readonly)",
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trackedDownload.State,
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trackedDownload.RemoteMovie?.ParsedMovieInfo,
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downloadItem.OutputPath);
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}
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}
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public void Handle(MoviesDeletedEvent message)
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{
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var cachedItems = _cache.Values.Where(t =>
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t.RemoteMovie?.Movie != null &&
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message.Movies.Any(m => m.Id == t.RemoteMovie.Movie.Id))
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.ToList();
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if (cachedItems.Any())
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{
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cachedItems.ForEach(UpdateCachedItem);
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_eventAggregator.PublishEvent(new TrackedDownloadRefreshedEvent(GetTrackedDownloads()));
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}
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}
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}
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}
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