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191 lines
6.5 KiB
191 lines
6.5 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text.RegularExpressions;
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using FluentValidation.Results;
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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.Notifications.Plex.Models;
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using NzbDrone.Core.Tv;
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namespace NzbDrone.Core.Notifications.Plex
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{
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public interface IPlexServerService
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{
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void UpdateLibrary(Series series, PlexServerSettings settings);
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ValidationFailure Test(PlexServerSettings settings);
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}
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public class PlexServerService : IPlexServerService
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{
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private readonly ICached<Version> _versionCache;
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private readonly ICached<bool> _partialUpdateCache;
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private readonly IPlexServerProxy _plexServerProxy;
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private readonly Logger _logger;
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public PlexServerService(ICacheManager cacheManager, IPlexServerProxy plexServerProxy, Logger logger)
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{
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_versionCache = cacheManager.GetCache<Version>(GetType(), "versionCache");
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_partialUpdateCache = cacheManager.GetCache<bool>(GetType(), "partialUpdateCache");
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_plexServerProxy = plexServerProxy;
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_logger = logger;
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}
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public void UpdateLibrary(Series series, PlexServerSettings settings)
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{
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try
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{
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_logger.Debug("Sending Update Request to Plex Server");
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var version = _versionCache.Get(settings.Host, () => GetVersion(settings), TimeSpan.FromHours(2));
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ValidateVersion(version);
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var sections = GetSections(settings);
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var partialUpdates = _partialUpdateCache.Get(settings.Host, () => PartialUpdatesAllowed(settings, version), TimeSpan.FromHours(2));
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if (partialUpdates)
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{
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UpdatePartialSection(series, sections, settings);
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}
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else
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{
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sections.ForEach(s => UpdateSection(s.Id, settings));
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}
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}
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catch(Exception ex)
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{
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_logger.Warn(ex, "Failed to Update Plex host: " + settings.Host);
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throw;
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}
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}
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private List<PlexSection> GetSections(PlexServerSettings settings)
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{
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_logger.Debug("Getting sections from Plex host: {0}", settings.Host);
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return _plexServerProxy.GetTvSections(settings).ToList();
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}
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private bool PartialUpdatesAllowed(PlexServerSettings settings, Version version)
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{
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try
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{
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if (version >= new Version(0, 9, 12, 0))
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{
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var preferences = GetPreferences(settings);
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var partialScanPreference = preferences.SingleOrDefault(p => p.Id.Equals("FSEventLibraryPartialScanEnabled"));
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if (partialScanPreference == null)
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{
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return false;
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}
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return Convert.ToBoolean(partialScanPreference.Value);
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}
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}
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catch (Exception ex)
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{
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_logger.Warn(ex, "Unable to check if partial updates are allowed");
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}
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return false;
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}
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private void ValidateVersion(Version version)
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{
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if (version >= new Version(1, 3, 0) && version < new Version(1, 3, 1))
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{
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throw new PlexVersionException("Found version {0}, upgrade to PMS 1.3.1 to fix library updating and then restart Radarr", version);
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}
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}
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private Version GetVersion(PlexServerSettings settings)
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{
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_logger.Debug("Getting version from Plex host: {0}", settings.Host);
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var rawVersion = _plexServerProxy.Version(settings);
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var version = new Version(Regex.Match(rawVersion, @"^(\d+[.-]){4}").Value.Trim('.', '-'));
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return version;
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}
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private List<PlexPreference> GetPreferences(PlexServerSettings settings)
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{
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_logger.Debug("Getting preferences from Plex host: {0}", settings.Host);
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return _plexServerProxy.Preferences(settings);
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}
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private void UpdateSection(int sectionId, PlexServerSettings settings)
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{
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_logger.Debug("Updating Plex host: {0}, Section: {1}", settings.Host, sectionId);
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_plexServerProxy.Update(sectionId, settings);
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}
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private void UpdatePartialSection(Series series, List<PlexSection> sections, PlexServerSettings settings)
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{
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var partiallyUpdated = false;
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foreach (var section in sections)
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{
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var metadataId = GetMetadataId(section.Id, series, section.Language, settings);
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if (metadataId.HasValue)
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{
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_logger.Debug("Updating Plex host: {0}, Section: {1}, Series: {2}", settings.Host, section.Id, series);
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_plexServerProxy.UpdateSeries(metadataId.Value, settings);
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partiallyUpdated = true;
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}
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}
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// Only update complete sections if all partial updates failed
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if (!partiallyUpdated)
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{
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_logger.Debug("Unable to update partial section, updating all TV sections");
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sections.ForEach(s => UpdateSection(s.Id, settings));
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}
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}
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private int? GetMetadataId(int sectionId, Series series, string language, PlexServerSettings settings)
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{
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_logger.Debug("Getting metadata from Plex host: {0} for series: {1}", settings.Host, series);
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return _plexServerProxy.GetMetadataId(sectionId, series.TvdbId, language, settings);
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}
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public ValidationFailure Test(PlexServerSettings settings)
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{
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try
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{
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var sections = GetSections(settings);
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if (sections.Empty())
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{
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return new ValidationFailure("Host", "At least one TV library is required");
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}
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}
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catch(PlexAuthenticationException ex)
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{
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_logger.Error(ex, "Unable to connect to Plex Server: " + ex.Message);
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return new ValidationFailure("Username", "Incorrect username or password");
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}
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catch (Exception ex)
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{
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_logger.Error(ex, "Unable to connect to Plex Server: " + ex.Message);
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return new ValidationFailure("Host", "Unable to connect to Plex Server");
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}
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return null;
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}
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}
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}
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