mirror of
https://github.com/jellyfin/jellyfin.git
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Add Argument*Exceptions now use proper nameof operators. Added exception messages to quite a few Argument*Exceptions. Fixed rethorwing to be proper syntax. Added a ton of null checkes. (This is only a start, there are about 500 places that need proper null handling) Added some TODOs to log certain exceptions. Fix sln again. Fixed all AssemblyInfo's and added proper copyright (where I could find them) We live in *current year*. Fixed the use of braces. Fixed a ton of properties, and made a fair amount of functions static that should be and can be static. Made more Methods that should be static static. You can now use static to find bad functions! Removed unused variable. And added one more proper XML comment.
298 lines
10 KiB
C#
298 lines
10 KiB
C#
using MediaBrowser.Common.Net;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Controller.Providers;
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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.Net;
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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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using MediaBrowser.Controller.Extensions;
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using MediaBrowser.Model.Xml;
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namespace MediaBrowser.Providers.Music
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{
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public class MusicBrainzArtistProvider : IRemoteMetadataProvider<MusicArtist, ArtistInfo>
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{
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private readonly IXmlReaderSettingsFactory _xmlSettings;
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public MusicBrainzArtistProvider(IXmlReaderSettingsFactory xmlSettings)
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{
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_xmlSettings = xmlSettings;
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}
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public async Task<IEnumerable<RemoteSearchResult>> GetSearchResults(ArtistInfo searchInfo, CancellationToken cancellationToken)
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{
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var musicBrainzId = searchInfo.GetMusicBrainzArtistId();
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if (!string.IsNullOrWhiteSpace(musicBrainzId))
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{
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var url = string.Format("/ws/2/artist/?query=arid:{0}", musicBrainzId);
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using (var response = await MusicBrainzAlbumProvider.Current.GetMusicBrainzResponse(url, false, cancellationToken).ConfigureAwait(false))
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{
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using (var stream = response.Content)
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{
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return GetResultsFromResponse(stream);
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}
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}
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}
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else
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{
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// They seem to throw bad request failures on any term with a slash
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var nameToSearch = searchInfo.Name.Replace('/', ' ');
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var url = string.Format("/ws/2/artist/?query=\"{0}\"&dismax=true", UrlEncode(nameToSearch));
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using (var response = await MusicBrainzAlbumProvider.Current.GetMusicBrainzResponse(url, true, cancellationToken).ConfigureAwait(false))
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{
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using (var stream = response.Content)
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{
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var results = GetResultsFromResponse(stream);
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if (results.Count > 0)
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{
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return results;
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}
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}
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}
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if (HasDiacritics(searchInfo.Name))
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{
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// Try again using the search with accent characters url
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url = string.Format("/ws/2/artist/?query=artistaccent:\"{0}\"", UrlEncode(nameToSearch));
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using (var response = await MusicBrainzAlbumProvider.Current.GetMusicBrainzResponse(url, true, cancellationToken).ConfigureAwait(false))
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{
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using (var stream = response.Content)
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{
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return GetResultsFromResponse(stream);
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}
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}
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}
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}
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return new List<RemoteSearchResult>();
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}
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private List<RemoteSearchResult> GetResultsFromResponse(Stream stream)
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{
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using (var oReader = new StreamReader(stream, Encoding.UTF8))
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{
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var settings = _xmlSettings.Create(false);
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settings.CheckCharacters = false;
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settings.IgnoreProcessingInstructions = true;
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settings.IgnoreComments = true;
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using (var reader = XmlReader.Create(oReader, settings))
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{
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reader.MoveToContent();
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reader.Read();
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// Loop through each element
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while (!reader.EOF && reader.ReadState == ReadState.Interactive)
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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 "artist-list":
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{
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if (reader.IsEmptyElement)
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{
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reader.Read();
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continue;
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}
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using (var subReader = reader.ReadSubtree())
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{
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return ParseArtistList(subReader);
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}
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}
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default:
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{
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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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else
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{
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reader.Read();
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}
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}
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return new List<RemoteSearchResult>();
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}
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}
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}
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private List<RemoteSearchResult> ParseArtistList(XmlReader reader)
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{
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var list = new List<RemoteSearchResult>();
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reader.MoveToContent();
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reader.Read();
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// Loop through each element
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while (!reader.EOF && reader.ReadState == ReadState.Interactive)
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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 "artist":
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{
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if (reader.IsEmptyElement)
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{
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reader.Read();
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continue;
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}
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var mbzId = reader.GetAttribute("id");
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using (var subReader = reader.ReadSubtree())
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{
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var artist = ParseArtist(subReader, mbzId);
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if (artist != null)
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{
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list.Add(artist);
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}
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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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reader.Skip();
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break;
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}
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}
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}
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else
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{
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reader.Read();
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}
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}
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return list;
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}
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private RemoteSearchResult ParseArtist(XmlReader reader, string artistId)
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{
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var result = new RemoteSearchResult();
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reader.MoveToContent();
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reader.Read();
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// http://stackoverflow.com/questions/2299632/why-does-xmlreader-skip-every-other-element-if-there-is-no-whitespace-separator
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// Loop through each element
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while (!reader.EOF && reader.ReadState == ReadState.Interactive)
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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 "name":
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{
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result.Name = reader.ReadElementContentAsString();
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break;
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}
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case "annotation":
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{
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result.Overview = reader.ReadElementContentAsString();
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break;
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}
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default:
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{
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// there is sort-name if ever needed
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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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else
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{
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reader.Read();
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}
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}
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result.SetProviderId(MetadataProviders.MusicBrainzArtist, artistId);
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if (string.IsNullOrWhiteSpace(artistId) || string.IsNullOrWhiteSpace(result.Name))
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{
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return null;
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}
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return result;
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}
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public async Task<MetadataResult<MusicArtist>> GetMetadata(ArtistInfo id, CancellationToken cancellationToken)
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{
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var result = new MetadataResult<MusicArtist>
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{
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Item = new MusicArtist()
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};
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var musicBrainzId = id.GetMusicBrainzArtistId();
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if (string.IsNullOrWhiteSpace(musicBrainzId))
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{
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var searchResults = await GetSearchResults(id, cancellationToken).ConfigureAwait(false);
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var singleResult = searchResults.FirstOrDefault();
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if (singleResult != null)
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{
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musicBrainzId = singleResult.GetProviderId(MetadataProviders.MusicBrainzArtist);
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//result.Item.Name = singleResult.Name;
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result.Item.Overview = singleResult.Overview;
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}
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}
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if (!string.IsNullOrWhiteSpace(musicBrainzId))
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{
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result.HasMetadata = true;
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result.Item.SetProviderId(MetadataProviders.MusicBrainzArtist, musicBrainzId);
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}
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return result;
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}
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/// <summary>
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/// Determines whether the specified text has diacritics.
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/// </summary>
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/// <param name="text">The text.</param>
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/// <returns><c>true</c> if the specified text has diacritics; otherwise, <c>false</c>.</returns>
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private bool HasDiacritics(string text)
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{
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return !string.Equals(text, text.RemoveDiacritics(), StringComparison.Ordinal);
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}
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/// <summary>
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/// Encodes an URL.
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/// </summary>
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/// <param name="name">The name.</param>
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/// <returns>System.String.</returns>
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private string UrlEncode(string name)
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{
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return WebUtility.UrlEncode(name);
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}
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public string Name
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{
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get { return "MusicBrainz"; }
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}
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public Task<HttpResponseInfo> GetImageResponse(string url, CancellationToken cancellationToken)
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{
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throw new NotImplementedException();
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}
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}
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}
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