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