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Lidarr/NzbDrone.Core/Providers/EpisodeProvider.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using NLog;
using NzbDrone.Core.Model;
using NzbDrone.Core.Repository;
using SubSonic.Repository;
namespace NzbDrone.Core.Providers
{
public class EpisodeProvider
{
private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
private readonly SeasonProvider _seasonsProvider;
private readonly IRepository _repository;
private readonly TvDbProvider _tvDbProvider;
public EpisodeProvider(IRepository repository, SeasonProvider seasonProviderProvider, TvDbProvider tvDbProviderProvider)
{
_repository = repository;
_tvDbProvider = tvDbProviderProvider;
_seasonsProvider = seasonProviderProvider;
}
public EpisodeProvider()
{
}
public virtual Episode GetEpisode(long id)
{
return _repository.Single<Episode>(id);
}
public virtual Episode GetEpisode(int seriesId, int seasonNumber, int episodeNumber)
{
return
_repository.Single<Episode>(
c => c.SeriesId == seriesId && c.SeasonNumber == seasonNumber && c.EpisodeNumber == episodeNumber);
}
public virtual Episode GetEpisode(int seriesId, DateTime date)
{
return
_repository.Single<Episode>(
c => c.SeriesId == seriesId && c.AirDate == date.Date);
}
public virtual IList<Episode> GetEpisodeBySeries(long seriesId)
{
return _repository.Find<Episode>(e => e.SeriesId == seriesId);
}
public virtual IList<Episode> GetEpisodeBySeason(long seasonId)
{
return _repository.Find<Episode>(e => e.SeasonId == seasonId);
}
public virtual IList<Episode> GetEpisodeByParseResult(EpisodeParseResult parseResult)
{
var seasonEpisodes = _repository.All<Episode>().Where(e =>
e.SeriesId == parseResult.SeriesId &&
e.SeasonNumber == parseResult.SeasonNumber).ToList();
//Has to be done separately since subsonic doesn't support contain method
return seasonEpisodes.Where(c => parseResult.Episodes.Contains(c.EpisodeNumber)).ToList();
}
public virtual IList<Episode> EpisodesWithoutFiles(bool includeSpecials)
{
if (includeSpecials)
return _repository.All<Episode>().Where(e => e.EpisodeFileId == 0 && e.AirDate <= DateTime.Today).ToList();
return _repository.All<Episode>().Where(e => e.EpisodeFileId == 0 && e.AirDate <= DateTime.Today && e.SeasonNumber > 0).ToList();
}
/// <summary>
/// Comprehensive check on whether or not this episode is needed.
/// </summary>
/// <param name = "parsedReport">Episode that needs to be checked</param>
/// <returns></returns>
public virtual bool IsNeeded(EpisodeParseResult parsedReport)
{
//Todo: Fix this so it properly handles multi-epsiode releases (Currently as long as the first episode is needed we download it)
//Todo: for small releases this is less of an issue, but for Full Season Releases this could be an issue if we only need the first episode (or first few)
foreach (var episode in parsedReport.Episodes)
{
var episodeInfo = GetEpisode(parsedReport.SeriesId, parsedReport.SeasonNumber, episode);
if (episodeInfo == null)
{
Logger.Debug("Episode S{0:00}E{1:00} doesn't exist in db. adding it now.", parsedReport.SeasonNumber, episode);
//Todo: How do we want to handle this really? Episode could be released before information is on TheTvDB
//(Parks and Rec did this a lot in the first season, from experience)
//Keivan: Should automatically add the episode to db with minimal information. then update the description/title when available.
//Mark: Perhaps we should only add the epsiode if its the latest season, sometimes people name things completely wrong (duh!)
episodeInfo = new Episode
{
SeriesId = parsedReport.SeriesId,
AirDate = DateTime.Now.Date,
EpisodeNumber = episode,
SeasonNumber = parsedReport.SeasonNumber,
Title = String.Empty,
Overview = String.Empty,
Language = "en"
};
_repository.Add(episodeInfo);
}
var file = episodeInfo.EpisodeFile;
if (file != null)
{
Logger.Debug("File is {0} Proper:{1}", file.Quality, file.Proper);
//There will never be a time when the episode quality is less than what we have and we want it... ever.... I think.
if (file.Quality > parsedReport.Quality)
{
Logger.Trace("file has better quality. skipping");
continue;
}
//If not null we need to see if this episode has the quality as the download (or if it is better)
if (file.Quality == parsedReport.Quality && file.Proper == parsedReport.Proper)
{
Logger.Trace("Same quality/proper. existing proper. skipping");
continue;
}
//Now we need to handle upgrades and actually pay attention to the Cut-off Value
if (file.Quality < parsedReport.Quality)
{
if (episodeInfo.Series.QualityProfile.Cutoff <= file.Quality)
{
Logger.Trace("Quality is past cut-off skipping.");
continue;
}
}
}
Logger.Debug("Episode {0} is needed", parsedReport);
return true; //If we get to this point and the file has not yet been rejected then accept it
}
Logger.Debug("Episode {0} is not needed", parsedReport);
return false;
}
public virtual void RefreshEpisodeInfo(int seriesId)
{
Logger.Info("Starting episode info refresh for series:{0}", seriesId);
int successCount = 0;
int failCount = 0;
var targetSeries = _tvDbProvider.GetSeries(seriesId, true);
var updateList = new List<Episode>();
var newList = new List<Episode>();
Logger.Debug("Updating season info for series:{0}", targetSeries.SeriesName);
targetSeries.Episodes.Select(e => new { e.SeasonId, e.SeasonNumber })
.Distinct().ToList()
.ForEach(s => _seasonsProvider.EnsureSeason(seriesId, s.SeasonId, s.SeasonNumber));
foreach (var episode in targetSeries.Episodes)
{
try
{
//DateTime throws an error in SQLServer per message below:
//SqlDateTime overflow. Must be between 1/1/1753 12:00:00 AM and 12/31/9999 11:59:59 PM.
//So lets hack it so it works for SQLServer (as well as SQLite), perhaps we can find a better solution
//Todo: Fix this hack
if (episode.FirstAired < new DateTime(1753, 1, 1))
episode.FirstAired = new DateTime(1753, 1, 1);
Logger.Trace("Updating info for [{0}] - S{1}E{2}", targetSeries.SeriesName, episode.SeasonNumber, episode.EpisodeNumber);
var newEpisode = new Episode
{
AirDate = episode.FirstAired.Date,
TvDbEpisodeId = episode.Id,
EpisodeNumber = episode.EpisodeNumber,
Language = episode.Language.Abbriviation,
Overview = episode.Overview,
SeasonId = episode.SeasonId,
SeasonNumber = episode.SeasonNumber,
SeriesId = seriesId,
Title = episode.EpisodeName,
LastInfoSync = DateTime.Now
};
var existingEpisode = GetEpisode(episode.SeriesId, episode.SeasonNumber, episode.EpisodeNumber);
if (existingEpisode != null)
{
//TODO: Write test for this, possibly make it future proof, we should only copy fields that come from tvdb
newEpisode.EpisodeId = existingEpisode.EpisodeId;
newEpisode.EpisodeFileId = existingEpisode.EpisodeFileId;
newEpisode.LastDiskSync = existingEpisode.LastDiskSync;
newEpisode.Status = existingEpisode.Status;
updateList.Add(newEpisode);
}
else
{
newList.Add(newEpisode);
}
successCount++;
}
catch (Exception e)
{
Logger.FatalException(
String.Format("An error has occurred while updating episode info for series {0}", seriesId), e);
failCount++;
}
}
_repository.AddMany(newList);
_repository.UpdateMany(updateList);
Logger.Debug("Finished episode refresh for series:{0}. Successful:{1} - Failed:{2} ",
targetSeries.SeriesName, successCount, failCount);
}
public virtual void DeleteEpisode(int episodeId)
{
_repository.Delete<Episode>(episodeId);
}
public virtual void UpdateEpisode(Episode episode)
{
_repository.Update(episode);
}
}
}