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Lidarr/NzbDrone.Core/Tv/RefreshEpisodeService.cs

150 lines
5.6 KiB

using System;
using System.Collections.Generic;
using System.Linq;
using NLog;
using NzbDrone.Common.Messaging;
using NzbDrone.Core.Tv.Events;
namespace NzbDrone.Core.Tv
{
public interface IRefreshEpisodeService
{
void RefreshEpisodeInfo(Series series, IEnumerable<Episode> remoteEpisodes);
}
public class RefreshEpisodeService : IRefreshEpisodeService
{
private readonly IEpisodeService _episodeService;
private readonly ISeasonService _seasonService;
private readonly IMessageAggregator _messageAggregator;
private readonly Logger _logger;
public RefreshEpisodeService(IEpisodeService episodeService,
ISeasonService seasonService, IMessageAggregator messageAggregator, Logger logger)
{
_episodeService = episodeService;
_seasonService = seasonService;
_messageAggregator = messageAggregator;
_logger = logger;
}
public void RefreshEpisodeInfo(Series series, IEnumerable<Episode> remoteEpisodes)
{
_logger.Info("Starting series info refresh for: {0}", series);
var successCount = 0;
var failCount = 0;
var existingEpisodes = _episodeService.GetEpisodeBySeries(series.Id);
var seasons = _seasonService.GetSeasonsBySeries(series.Id);
var updateList = new List<Episode>();
var newList = new List<Episode>();
foreach (var episode in remoteEpisodes.OrderBy(e => e.SeasonNumber).ThenBy(e => e.EpisodeNumber))
{
try
{
var episodeToUpdate = existingEpisodes.SingleOrDefault(e => e.SeasonNumber == episode.SeasonNumber && e.EpisodeNumber == episode.EpisodeNumber);
if (episodeToUpdate != null)
{
existingEpisodes.Remove(episodeToUpdate);
updateList.Add(episodeToUpdate);
}
else
{
episodeToUpdate = new Episode();
episodeToUpdate.Monitored = GetMonitoredStatus(episode, seasons);
newList.Add(episodeToUpdate);
}
episodeToUpdate.SeriesId = series.Id;
episodeToUpdate.TvDbEpisodeId = episode.TvDbEpisodeId;
episodeToUpdate.EpisodeNumber = episode.EpisodeNumber;
episodeToUpdate.SeasonNumber = episode.SeasonNumber;
episodeToUpdate.Title = episode.Title;
episodeToUpdate.Overview = episode.Overview;
episodeToUpdate.AirDate = episode.AirDate;
episodeToUpdate.AirDateUtc = episode.AirDateUtc;
successCount++;
}
catch (Exception e)
{
_logger.FatalException(String.Format("An error has occurred while updating episode info for series {0}. {1}", series, episode), e);
failCount++;
}
}
var allEpisodes = new List<Episode>();
allEpisodes.AddRange(newList);
allEpisodes.AddRange(updateList);
AdjustMultiEpisodeAirTime(series, allEpisodes);
_episodeService.DeleteMany(existingEpisodes);
_episodeService.UpdateMany(updateList);
_episodeService.InsertMany(newList);
if (newList.Any())
{
_messageAggregator.PublishEvent(new EpisodeInfoAddedEvent(newList, series));
}
if (updateList.Any())
{
_messageAggregator.PublishEvent(new EpisodeInfoUpdatedEvent(updateList));
}
if (existingEpisodes.Any())
{
_messageAggregator.PublishEvent(new EpisodeInfoDeletedEvent(updateList));
}
if (failCount != 0)
{
_logger.Info("Finished episode refresh for series: {0}. Successful: {1} - Failed: {2} ",
series.Title, successCount, failCount);
}
else
{
_logger.Info("Finished episode refresh for series: {0}.", series);
}
}
private static bool GetMonitoredStatus(Episode episode, IEnumerable<Season> seasons)
{
if (episode.SeasonNumber == 0)
{
return false;
}
if (episode.EpisodeNumber == 0 && episode.SeasonNumber != 1)
{
return false;
}
var season = seasons.SingleOrDefault(c => c.SeasonNumber == episode.SeasonNumber);
return season == null || season.Monitored;
}
private static void AdjustMultiEpisodeAirTime(Series series, IEnumerable<Episode> allEpisodes)
{
var groups =
allEpisodes.Where(c => c.AirDateUtc.HasValue)
.GroupBy(e => new { e.SeriesId, e.AirDate })
.Where(g => g.Count() > 1)
.ToList();
foreach (var group in groups)
{
var episodeCount = 0;
foreach (var episode in @group.OrderBy(e => e.SeasonNumber).ThenBy(e => e.EpisodeNumber))
{
episode.AirDateUtc = episode.AirDateUtc.Value.AddMinutes(series.Runtime * episodeCount);
episodeCount++;
}
}
}
}
}