jellyfin/MediaBrowser.Controller/Providers/Music/LastfmArtistProvider.cs
2013-05-02 11:18:28 -04:00

99 lines
3.9 KiB
C#

using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Net;
using MediaBrowser.Model.Serialization;
using System.IO;
using System.Linq;
using System.Net;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Controller.Providers.Music
{
public class LastfmArtistProvider : LastfmBaseProvider
{
private readonly IProviderManager _providerManager;
public LastfmArtistProvider(IJsonSerializer jsonSerializer, IHttpClient httpClient, ILogManager logManager, IServerConfigurationManager configurationManager, IProviderManager providerManager)
: base(jsonSerializer, httpClient, logManager, configurationManager)
{
_providerManager = providerManager;
LocalMetaFileName = LastfmHelper.LocalArtistMetaFileName;
}
protected override async Task<string> FindId(BaseItem item, CancellationToken cancellationToken)
{
//Execute the Artist search against our name and assume first one is the one we want
var url = RootUrl + string.Format("method=artist.search&artist={0}&api_key={1}&format=json", UrlEncode(item.Name), ApiKey);
LastfmArtistSearchResults searchResult;
try
{
using (var json = await HttpClient.Get(url, LastfmResourcePool, cancellationToken).ConfigureAwait(false))
{
searchResult = JsonSerializer.DeserializeFromStream<LastfmArtistSearchResults>(json);
}
}
catch (HttpException e)
{
if (e.StatusCode == HttpStatusCode.NotFound)
{
return null;
}
throw;
}
if (searchResult != null && searchResult.results != null && searchResult.results.artistmatches != null && searchResult.results.artistmatches.artist.Count > 0)
{
var artist = searchResult.results.artistmatches.artist.FirstOrDefault(i => string.Equals(i.name, item.Name, System.StringComparison.OrdinalIgnoreCase));
return artist != null ? artist.mbid : searchResult.results.artistmatches.artist[0].mbid;
}
return null;
}
protected override async Task FetchLastfmData(BaseItem item, string id, CancellationToken cancellationToken)
{
// Get artist info with provided id
var url = RootUrl + string.Format("method=artist.getInfo&mbid={0}&api_key={1}&format=json", UrlEncode(id), ApiKey);
LastfmGetArtistResult result;
using (var json = await HttpClient.Get(url, LastfmResourcePool, cancellationToken).ConfigureAwait(false))
{
result = JsonSerializer.DeserializeFromStream<LastfmGetArtistResult>(json);
}
if (result != null && result.artist != null)
{
LastfmHelper.ProcessArtistData(item, result.artist);
//And save locally if indicated
if (SaveLocalMeta)
{
var ms = new MemoryStream();
JsonSerializer.SerializeToStream(result.artist, ms);
if (cancellationToken.IsCancellationRequested)
{
ms.Dispose();
cancellationToken.ThrowIfCancellationRequested();
}
await _providerManager.SaveToLibraryFilesystem(item, Path.Combine(item.MetaLocation, LocalMetaFileName), ms, cancellationToken).ConfigureAwait(false);
}
}
}
public override bool Supports(BaseItem item)
{
return item is MusicArtist;
}
}
}