Lidarr/src/NzbDrone.Core/Music/RefreshArtistService.cs

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C#
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using NLog;
using NzbDrone.Common.Extensions;
using NzbDrone.Common.Instrumentation.Extensions;
using NzbDrone.Core.Exceptions;
using NzbDrone.Core.MediaFiles;
using NzbDrone.Core.Messaging.Commands;
using NzbDrone.Core.Messaging.Events;
using NzbDrone.Core.MetadataSource;
using NzbDrone.Core.Music.Commands;
using NzbDrone.Core.Music.Events;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
namespace NzbDrone.Core.Music
{
public class RefreshArtistService : IExecute<RefreshArtistCommand>
{
private readonly IProvideArtistInfo _artistInfo;
private readonly IArtistService _artistService;
private readonly IRefreshAlbumService _refreshAlbumService;
private readonly IRefreshTrackService _refreshTrackService;
private readonly IEventAggregator _eventAggregator;
private readonly IDiskScanService _diskScanService;
private readonly ICheckIfArtistShouldBeRefreshed _checkIfArtistShouldBeRefreshed;
private readonly Logger _logger;
public RefreshArtistService(IProvideArtistInfo artistInfo,
IArtistService artistService,
IRefreshAlbumService refreshAlbumService,
IRefreshTrackService refreshTrackService,
IEventAggregator eventAggregator,
IDiskScanService diskScanService,
ICheckIfArtistShouldBeRefreshed checkIfArtistShouldBeRefreshed,
Logger logger)
{
_artistInfo = artistInfo;
_artistService = artistService;
_refreshAlbumService = refreshAlbumService;
_refreshTrackService = refreshTrackService;
_eventAggregator = eventAggregator;
_diskScanService = diskScanService;
_checkIfArtistShouldBeRefreshed = checkIfArtistShouldBeRefreshed;
_logger = logger;
}
private void RefreshArtistInfo(Artist artist)
{
_logger.ProgressInfo("Updating Info for {0}", artist.Name);
Tuple<Artist, List<Album>> tuple;
try
{
tuple = _artistInfo.GetArtistInfo(artist.ForeignArtistId);
}
catch (ArtistNotFoundException)
{
_logger.Error("Artist '{0}' (LidarrAPI {1}) was not found, it may have been removed from Metadata sources.", artist.Name, artist.ForeignArtistId);
return;
}
var artistInfo = tuple.Item1;
if (artist.ForeignArtistId != artistInfo.ForeignArtistId)
{
_logger.Warn("Artist '{0}' (Artist {1}) was replaced with '{2}' (LidarrAPI {3}), because the original was a duplicate.", artist.Name, artist.ForeignArtistId, artistInfo.Name, artistInfo.ForeignArtistId);
artist.ForeignArtistId = artistInfo.ForeignArtistId;
}
artist.Name = artistInfo.Name;
artist.NameSlug = artistInfo.NameSlug;
artist.Overview = artistInfo.Overview;
artist.Status = artistInfo.Status;
artist.CleanName = artistInfo.CleanName;
artist.SortName = artistInfo.SortName;
artist.LastInfoSync = DateTime.UtcNow;
artist.Images = artistInfo.Images;
artist.Genres = artistInfo.Genres;
artist.Links = artistInfo.Links;
try
{
artist.Path = new DirectoryInfo(artist.Path).FullName;
artist.Path = artist.Path.GetActualCasing();
}
catch (Exception e)
{
_logger.Warn(e, "Couldn't update artist path for " + artist.Path);
}
//artist.Albums = UpdateAlbums(artist, artistInfo); # We don't need this since we don't store albums in artist table.
_artistService.UpdateArtist(artist);
_refreshAlbumService.RefreshAlbumInfo(artist, tuple.Item2);
foreach (var album in tuple.Item2)
{
_refreshTrackService.RefreshTrackInfo(album, album.Tracks);
}
_logger.Debug("Finished artist refresh for {0}", artist.Name);
_eventAggregator.PublishEvent(new ArtistUpdatedEvent(artist));
}
private List<Album> UpdateAlbums(Artist artist, Artist artistInfo)
{
var albums = artistInfo.Albums.DistinctBy(s => s.ForeignAlbumId).ToList();
foreach (var album in albums)
{
var existingAlbum = artist.Albums.FirstOrDefault(s => s.ForeignAlbumId == album.ForeignAlbumId);
//Todo: Should this should use the previous season's monitored state?
if (existingAlbum == null)
{
//if (album.SeasonNumber == 0)
//{
// album.Monitored = false;
// continue;
//}
_logger.Debug("New album ({0}) for artist: [{1}] {2}, setting monitored to true", album.Title, artist.ForeignArtistId, artist.Name);
album.Monitored = true;
}
else
{
album.Monitored = existingAlbum.Monitored;
}
}
return albums;
}
public void Execute(RefreshArtistCommand message)
{
_eventAggregator.PublishEvent(new ArtistRefreshStartingEvent(message.Trigger == CommandTrigger.Manual));
if (message.ArtistId.HasValue)
{
var artist = _artistService.GetArtist(message.ArtistId.Value);
RefreshArtistInfo(artist);
}
else
{
var allArtists = _artistService.GetAllArtists().OrderBy(c => c.Name).ToList();
foreach (var artist in allArtists)
{
if (message.Trigger == CommandTrigger.Manual || _checkIfArtistShouldBeRefreshed.ShouldRefresh(artist))
{
try
{
RefreshArtistInfo(artist);
}
catch (Exception e)
{
_logger.Error(e, "Couldn't refresh info for {0}", artist);
}
}
else
{
try
{
_logger.Info("Skipping refresh of artist: {0}", artist.Name);
_diskScanService.Scan(artist);
}
catch (Exception e)
{
_logger.Error(e, "Couldn't rescan artist {0}", artist);
}
}
}
}
}
}
}