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jellyfin/MediaBrowser.Controller/Providers/Music/LastfmArtistByNameProvider.cs

118 lines
4.3 KiB

12 years ago
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Serialization;
using System;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
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namespace MediaBrowser.Controller.Providers.Music
{
/// <summary>
/// Class LastfmArtistByNameProvider
/// </summary>
public class LastfmArtistByNameProvider : LastfmArtistProvider
{
/// <summary>
/// Initializes a new instance of the <see cref="LastfmArtistByNameProvider" /> class.
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/// </summary>
/// <param name="jsonSerializer">The json serializer.</param>
/// <param name="httpClient">The HTTP client.</param>
/// <param name="logManager">The log manager.</param>
/// <param name="configurationManager">The configuration manager.</param>
/// <param name="providerManager">The provider manager.</param>
/// <param name="libraryManager">The library manager.</param>
public LastfmArtistByNameProvider(IJsonSerializer jsonSerializer, IHttpClient httpClient, ILogManager logManager, IServerConfigurationManager configurationManager, IProviderManager providerManager, ILibraryManager libraryManager)
: base(jsonSerializer, httpClient, logManager, configurationManager, providerManager, libraryManager)
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{
}
/// <summary>
/// Gets a value indicating whether [save local meta].
/// </summary>
/// <value><c>true</c> if [save local meta]; otherwise, <c>false</c>.</value>
protected override bool SaveLocalMeta
{
get
{
return true;
}
}
/// <summary>
/// Supportses the specified item.
/// </summary>
/// <param name="item">The item.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
public override bool Supports(BaseItem item)
{
return item is Artist;
}
/// <summary>
/// Gets the provider version.
/// </summary>
/// <value>The provider version.</value>
protected override string ProviderVersion
{
get
{
return "7";
}
}
/// <summary>
/// Fetches the lastfm data.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="musicBrainzId">The music brainz id.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
protected override async Task FetchLastfmData(BaseItem item, string musicBrainzId, CancellationToken cancellationToken)
{
var artist = (Artist)item;
// See if we can avoid an http request by finding the matching MusicArtist entity
var musicArtist = FindMusicArtist(artist, LibraryManager);
if (musicArtist != null)
{
LastfmHelper.ProcessArtistData(musicArtist, artist);
}
else
{
await base.FetchLastfmData(item, musicBrainzId, cancellationToken).ConfigureAwait(false);
}
}
/// <summary>
/// Finds the music artist.
/// </summary>
/// <param name="artist">The artist.</param>
/// <param name="libraryManager">The library manager.</param>
/// <returns>MusicArtist.</returns>
private static MusicArtist FindMusicArtist(Artist artist, ILibraryManager libraryManager)
{
var musicBrainzId = artist.GetProviderId(MetadataProviders.Musicbrainz);
return libraryManager.RootFolder.RecursiveChildren
.OfType<MusicArtist>()
.FirstOrDefault(i =>
{
if (!string.IsNullOrWhiteSpace(musicBrainzId) && string.Equals(musicBrainzId, i.GetProviderId(MetadataProviders.Musicbrainz), StringComparison.OrdinalIgnoreCase))
{
return true;
}
return false;
});
}
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}
}