474 lines
17 KiB
C#
474 lines
17 KiB
C#
using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.IO;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Providers;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Xml;
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namespace MediaBrowser.Providers.Music
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{
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public class FanartArtistProvider : IRemoteImageProvider, IHasChangeMonitor, IHasOrder
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{
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internal readonly SemaphoreSlim FanArtResourcePool = new SemaphoreSlim(3, 3);
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internal const string ApiKey = "5c6b04c68e904cfed1e6cbc9a9e683d4";
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private const string FanArtBaseUrl = "http://api.fanart.tv/webservice/artist/{0}/{1}/xml/all/1/1";
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private readonly CultureInfo _usCulture = new CultureInfo("en-US");
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private readonly IServerConfigurationManager _config;
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private readonly IHttpClient _httpClient;
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private readonly IFileSystem _fileSystem;
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internal static FanartArtistProvider Current;
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public FanartArtistProvider(IServerConfigurationManager config, IHttpClient httpClient, IFileSystem fileSystem)
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{
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_config = config;
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_httpClient = httpClient;
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_fileSystem = fileSystem;
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Current = this;
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}
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public string Name
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{
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get { return ProviderName; }
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}
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public static string ProviderName
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{
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get { return "FanArt"; }
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}
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public bool Supports(IHasImages item)
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{
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return item is MusicArtist;
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}
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public IEnumerable<ImageType> GetSupportedImages(IHasImages item)
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{
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return new List<ImageType>
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{
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ImageType.Primary,
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ImageType.Logo,
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ImageType.Art,
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ImageType.Banner,
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ImageType.Backdrop
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};
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}
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public async Task<IEnumerable<RemoteImageInfo>> GetImages(IHasImages item, CancellationToken cancellationToken)
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{
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var artist = (MusicArtist)item;
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var list = new List<RemoteImageInfo>();
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var artistMusicBrainzId = artist.GetProviderId(MetadataProviders.MusicBrainzArtist);
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if (!String.IsNullOrEmpty(artistMusicBrainzId))
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{
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await EnsureArtistXml(artistMusicBrainzId, cancellationToken).ConfigureAwait(false);
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var artistXmlPath = GetArtistXmlPath(_config.CommonApplicationPaths, artistMusicBrainzId);
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try
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{
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AddImages(list, artistXmlPath, cancellationToken);
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}
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catch (FileNotFoundException)
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{
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}
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}
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var language = item.GetPreferredMetadataLanguage();
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var isLanguageEn = String.Equals(language, "en", StringComparison.OrdinalIgnoreCase);
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// Sort first by width to prioritize HD versions
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return list.OrderByDescending(i => i.Width ?? 0)
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.ThenByDescending(i =>
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{
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if (String.Equals(language, i.Language, StringComparison.OrdinalIgnoreCase))
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{
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return 3;
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}
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if (!isLanguageEn)
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{
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if (String.Equals("en", i.Language, StringComparison.OrdinalIgnoreCase))
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{
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return 2;
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}
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}
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if (String.IsNullOrEmpty(i.Language))
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{
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return isLanguageEn ? 3 : 2;
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}
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return 0;
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})
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.ThenByDescending(i => i.CommunityRating ?? 0)
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.ThenByDescending(i => i.VoteCount ?? 0);
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}
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/// <summary>
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/// Adds the images.
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/// </summary>
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/// <param name="list">The list.</param>
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/// <param name="xmlPath">The XML path.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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private void AddImages(List<RemoteImageInfo> list, string xmlPath, CancellationToken cancellationToken)
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{
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using (var streamReader = new StreamReader(xmlPath, Encoding.UTF8))
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{
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// Use XmlReader for best performance
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using (var reader = XmlReader.Create(streamReader, new XmlReaderSettings
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{
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CheckCharacters = false,
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IgnoreProcessingInstructions = true,
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IgnoreComments = true,
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ValidationType = ValidationType.None
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}))
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{
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reader.MoveToContent();
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// Loop through each element
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while (reader.Read())
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{
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cancellationToken.ThrowIfCancellationRequested();
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if (reader.NodeType == XmlNodeType.Element)
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{
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switch (reader.Name)
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{
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case "music":
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{
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using (var subReader = reader.ReadSubtree())
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{
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AddImagesFromMusicNode(list, subReader, cancellationToken);
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}
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break;
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}
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default:
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reader.Skip();
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break;
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}
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}
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}
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}
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}
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}
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/// <summary>
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/// Adds the images from music node.
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/// </summary>
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/// <param name="list">The list.</param>
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/// <param name="reader">The reader.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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private void AddImagesFromMusicNode(List<RemoteImageInfo> list, XmlReader reader, CancellationToken cancellationToken)
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{
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reader.MoveToContent();
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while (reader.Read())
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{
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if (reader.NodeType == XmlNodeType.Element)
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{
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switch (reader.Name)
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{
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case "hdmusiclogos":
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{
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using (var subReader = reader.ReadSubtree())
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{
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AddImagesFromImageTypeNode(list, ImageType.Logo, 800, 310, subReader, cancellationToken);
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}
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break;
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}
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case "musiclogos":
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{
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using (var subReader = reader.ReadSubtree())
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{
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AddImagesFromImageTypeNode(list, ImageType.Logo, 400, 155, subReader, cancellationToken);
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}
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break;
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}
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case "artistbackgrounds":
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{
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using (var subReader = reader.ReadSubtree())
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{
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AddImagesFromImageTypeNode(list, ImageType.Backdrop, 1920, 1080, subReader, cancellationToken);
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}
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break;
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}
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case "hdmusicarts":
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{
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using (var subReader = reader.ReadSubtree())
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{
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AddImagesFromImageTypeNode(list, ImageType.Art, 1000, 562, subReader, cancellationToken);
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}
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break;
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}
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case "musicarts":
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{
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using (var subReader = reader.ReadSubtree())
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{
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AddImagesFromImageTypeNode(list, ImageType.Art, 500, 281, subReader, cancellationToken);
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}
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break;
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}
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case "hdmusicbanners":
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{
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using (var subReader = reader.ReadSubtree())
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{
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AddImagesFromImageTypeNode(list, ImageType.Banner, 1000, 185, subReader, cancellationToken);
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}
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break;
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}
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case "musicbanners":
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{
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using (var subReader = reader.ReadSubtree())
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{
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AddImagesFromImageTypeNode(list, ImageType.Banner, 1000, 185, subReader, cancellationToken);
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}
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break;
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}
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case "artistthumbs":
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{
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using (var subReader = reader.ReadSubtree())
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{
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AddImagesFromImageTypeNode(list, ImageType.Primary, 1000, 1000, subReader, cancellationToken);
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}
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break;
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}
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default:
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{
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using (reader.ReadSubtree())
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{
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}
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break;
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}
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}
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}
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}
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}
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/// <summary>
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/// Adds the images from albums node.
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/// </summary>
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/// <param name="list">The list.</param>
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/// <param name="type">The type.</param>
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/// <param name="width">The width.</param>
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/// <param name="height">The height.</param>
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/// <param name="reader">The reader.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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private void AddImagesFromImageTypeNode(List<RemoteImageInfo> list, ImageType type, int width, int height, XmlReader reader, CancellationToken cancellationToken)
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{
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reader.MoveToContent();
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while (reader.Read())
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{
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if (reader.NodeType == XmlNodeType.Element)
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{
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switch (reader.Name)
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{
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case "hdmusiclogo":
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case "musiclogo":
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case "artistbackground":
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case "hdmusicart":
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case "musicart":
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case "hdmusicbanner":
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case "musicbanner":
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case "artistthumb":
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{
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AddImage(list, reader, type, width, height);
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break;
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}
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default:
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{
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using (reader.ReadSubtree())
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{
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}
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break;
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}
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}
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}
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}
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}
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/// <summary>
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/// Adds the image.
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/// </summary>
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/// <param name="list">The list.</param>
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/// <param name="reader">The reader.</param>
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/// <param name="type">The type.</param>
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/// <param name="width">The width.</param>
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/// <param name="height">The height.</param>
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private void AddImage(List<RemoteImageInfo> list, XmlReader reader, ImageType type, int width, int height)
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{
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var url = reader.GetAttribute("url");
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var size = reader.GetAttribute("size");
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if (!String.IsNullOrEmpty(size))
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{
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int sizeNum;
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if (Int32.TryParse(size, NumberStyles.Any, _usCulture, out sizeNum))
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{
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width = sizeNum;
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height = sizeNum;
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}
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}
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var likesString = reader.GetAttribute("likes");
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int likes;
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var info = new RemoteImageInfo
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{
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RatingType = RatingType.Likes,
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Type = type,
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Width = width,
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Height = height,
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ProviderName = Name,
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Url = url,
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Language = reader.GetAttribute("lang")
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};
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if (!String.IsNullOrEmpty(likesString) && Int32.TryParse(likesString, NumberStyles.Any, _usCulture, out likes))
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{
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info.CommunityRating = likes;
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}
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list.Add(info);
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}
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public int Order
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{
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get { return 0; }
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}
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public Task<HttpResponseInfo> GetImageResponse(string url, CancellationToken cancellationToken)
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{
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return _httpClient.GetResponse(new HttpRequestOptions
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{
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CancellationToken = cancellationToken,
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Url = url,
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ResourcePool = FanArtResourcePool
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});
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}
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public bool HasChanged(IHasMetadata item, IDirectoryService directoryService, DateTime date)
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{
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if (!_config.Configuration.EnableFanArtUpdates)
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{
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return false;
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}
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var id = item.GetProviderId(MetadataProviders.MusicBrainzArtist);
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if (!String.IsNullOrEmpty(id))
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{
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// Process images
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var artistXmlPath = GetArtistXmlPath(_config.CommonApplicationPaths, id);
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var fileInfo = new FileInfo(artistXmlPath);
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return !fileInfo.Exists || _fileSystem.GetLastWriteTimeUtc(fileInfo) > date;
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}
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return false;
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}
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private readonly Task _cachedTask = Task.FromResult(true);
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internal Task EnsureArtistXml(string musicBrainzId, CancellationToken cancellationToken)
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{
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var xmlPath = GetArtistXmlPath(_config.ApplicationPaths, musicBrainzId);
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var fileInfo = _fileSystem.GetFileSystemInfo(xmlPath);
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if (fileInfo.Exists)
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{
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if ((DateTime.UtcNow - _fileSystem.GetLastWriteTimeUtc(fileInfo)).TotalDays <= 7)
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{
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return _cachedTask;
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}
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}
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return DownloadArtistXml(musicBrainzId, cancellationToken);
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}
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/// <summary>
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/// Downloads the artist XML.
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/// </summary>
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/// <param name="musicBrainzId">The music brainz id.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task{System.Boolean}.</returns>
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internal async Task DownloadArtistXml(string musicBrainzId, CancellationToken cancellationToken)
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{
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cancellationToken.ThrowIfCancellationRequested();
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var url = string.Format(FanArtBaseUrl, ApiKey, musicBrainzId);
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var xmlPath = GetArtistXmlPath(_config.ApplicationPaths, musicBrainzId);
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Directory.CreateDirectory(Path.GetDirectoryName(xmlPath));
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using (var response = await _httpClient.Get(new HttpRequestOptions
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{
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Url = url,
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ResourcePool = FanArtResourcePool,
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CancellationToken = cancellationToken
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}).ConfigureAwait(false))
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{
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using (var xmlFileStream = _fileSystem.GetFileStream(xmlPath, FileMode.Create, FileAccess.Write, FileShare.Read, true))
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{
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await response.CopyToAsync(xmlFileStream).ConfigureAwait(false);
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}
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}
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}
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/// <summary>
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/// Gets the artist data path.
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/// </summary>
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/// <param name="appPaths">The application paths.</param>
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/// <param name="musicBrainzArtistId">The music brainz artist identifier.</param>
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/// <returns>System.String.</returns>
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private static string GetArtistDataPath(IApplicationPaths appPaths, string musicBrainzArtistId)
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{
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var dataPath = Path.Combine(GetArtistDataPath(appPaths), musicBrainzArtistId);
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return dataPath;
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}
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/// <summary>
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/// Gets the artist data path.
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/// </summary>
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/// <param name="appPaths">The application paths.</param>
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/// <returns>System.String.</returns>
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internal static string GetArtistDataPath(IApplicationPaths appPaths)
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{
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var dataPath = Path.Combine(appPaths.CachePath, "fanart-music");
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return dataPath;
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}
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internal static string GetArtistXmlPath(IApplicationPaths appPaths, string musicBrainzArtistId)
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{
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var dataPath = GetArtistDataPath(appPaths, musicBrainzArtistId);
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return Path.Combine(dataPath, "fanart.xml");
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}
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}
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}
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