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Sonarr/NzbDrone.Core/Providers/XemProvider.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using NLog;
using NzbDrone.Common.Cache;
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using NzbDrone.Common.Messaging;
using NzbDrone.Core.Lifecycle;
using NzbDrone.Core.Tv;
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using NzbDrone.Core.Tv.Events;
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namespace NzbDrone.Core.Providers
{
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public interface IXemProvider
{
void UpdateMappings();
void UpdateMappings(int seriesId);
void UpdateMappings(Series series);
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void PerformUpdate(Series series);
}
public class XemProvider : IXemProvider, IExecute<UpdateXemMappingsCommand>, IHandle<SeriesUpdatedEvent>, IHandleAsync<ApplicationStartedEvent>
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{
private readonly IEpisodeService _episodeService;
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private readonly IXemCommunicationProvider _xemCommunicationProvider;
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private readonly ISeriesService _seriesService;
private readonly ICached<bool> _cache;
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private static readonly Logger _logger = LogManager.GetCurrentClassLogger();
public XemProvider(IEpisodeService episodeService,
IXemCommunicationProvider xemCommunicationProvider,
ISeriesService seriesService, ICacheManger cacheManger)
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{
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if (seriesService == null) throw new ArgumentNullException("seriesService");
_episodeService = episodeService;
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_xemCommunicationProvider = xemCommunicationProvider;
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_seriesService = seriesService;
_cache = cacheManger.GetCache<bool>(GetType());
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}
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public void UpdateMappings()
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{
_logger.Trace("Starting scene numbering update");
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try
{
var ids = GetXemSeriesIds();
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var series = _seriesService.GetAllSeries();
var wantedSeries = series.Where(s => ids.Contains(s.TvdbId)).ToList();
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foreach (var ser in wantedSeries)
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{
PerformUpdate(ser);
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}
_logger.Trace("Completed scene numbering update");
}
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catch (Exception ex)
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{
_logger.WarnException("Error updating Scene Mappings", ex);
throw;
}
}
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public void UpdateMappings(int seriesId)
{
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var series = _seriesService.GetSeries(seriesId);
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if (series == null)
{
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_logger.Trace("Series could not be found: {0}", seriesId);
return;
}
UpdateMappings(series);
}
public void UpdateMappings(Series series)
{
if (!_cache.Find(series.TvdbId.ToString()))
{
_logger.Trace("Scene numbering is not available for {0} [{1}]", series.Title, series.TvdbId);
return;
}
PerformUpdate(series);
}
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public void PerformUpdate(Series series)
{
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_logger.Trace("Updating scene numbering mapping for: {0}", series);
try
{
var episodesToUpdate = new List<Episode>();
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var mappings = _xemCommunicationProvider.GetSceneTvdbMappings(series.TvdbId);
if (mappings == null)
{
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_logger.Trace("Mappings for: {0} are null, skipping", series);
return;
}
var episodes = _episodeService.GetEpisodeBySeries(series.Id);
foreach (var mapping in mappings)
{
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_logger.Trace("Setting scene numbering mappings for {0} S{1:00}E{2:00}", series, mapping.Tvdb.Season, mapping.Tvdb.Episode);
var episode = episodes.SingleOrDefault(e => e.SeasonNumber == mapping.Tvdb.Season && e.EpisodeNumber == mapping.Tvdb.Episode);
if (episode == null)
{
_logger.Trace("Information hasn't been added to TheTVDB yet, skipping.");
continue;
}
episode.AbsoluteEpisodeNumber = mapping.Scene.Absolute;
episode.SceneSeasonNumber = mapping.Scene.Season;
episode.SceneEpisodeNumber = mapping.Scene.Episode;
episodesToUpdate.Add(episode);
}
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_logger.Trace("Committing scene numbering mappings to database for: {0}", series);
_episodeService.UpdateEpisodes(episodesToUpdate);
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_logger.Trace("Setting UseSceneMapping for {0}", series);
series.UseSceneNumbering = true;
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_seriesService.UpdateSeries(series);
}
catch (Exception ex)
{
_logger.ErrorException("Error updating scene numbering mappings for: " + series, ex);
}
}
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private List<int> GetXemSeriesIds()
{
_cache.Clear();
var ids = _xemCommunicationProvider.GetXemSeriesIds();
foreach (var id in ids)
{
_cache.Set(id.ToString(), true);
}
return ids;
}
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public void Execute(UpdateXemMappingsCommand message)
{
if (message.SeriesId.HasValue)
{
UpdateMappings(message.SeriesId.Value);
}
else
{
UpdateMappings();
}
}
public void Handle(SeriesUpdatedEvent message)
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{
UpdateMappings(message.Series);
}
public void HandleAsync(ApplicationStartedEvent message)
{
GetXemSeriesIds();
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}
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}
}