jellyfin/MediaBrowser.Providers/BoxSets/MovieDbBoxSetProvider.cs
2014-02-03 12:44:13 -05:00

274 lines
9.6 KiB
C#

using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.IO;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Providers.Movies;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Providers.BoxSets
{
public class MovieDbBoxSetProvider : IRemoteMetadataProvider<BoxSet>
{
private readonly CultureInfo _enUs = new CultureInfo("en-US");
private const string GetCollectionInfo3 = @"http://api.themoviedb.org/3/collection/{0}?api_key={1}&append_to_response=images";
internal static MovieDbBoxSetProvider Current;
private readonly ILogger _logger;
private readonly IJsonSerializer _json;
private readonly IServerConfigurationManager _config;
private readonly IFileSystem _fileSystem;
public MovieDbBoxSetProvider(ILogger logger, IJsonSerializer json, IServerConfigurationManager config, IFileSystem fileSystem)
{
_logger = logger;
_json = json;
_config = config;
_fileSystem = fileSystem;
Current = this;
}
public async Task<MetadataResult<BoxSet>> GetMetadata(ItemId id, CancellationToken cancellationToken)
{
var tmdbId = id.GetProviderId(MetadataProviders.Tmdb);
// We don't already have an Id, need to fetch it
if (string.IsNullOrEmpty(tmdbId))
{
tmdbId = await GetTmdbId(id, cancellationToken).ConfigureAwait(false);
}
var result = new MetadataResult<BoxSet>();
if (!string.IsNullOrEmpty(tmdbId))
{
var mainResult = await GetMovieDbResult(tmdbId, id.MetadataLanguage, cancellationToken).ConfigureAwait(false);
if (mainResult != null)
{
result.HasMetadata = true;
result.Item = GetItem(mainResult);
}
}
return result;
}
internal async Task<RootObject> GetMovieDbResult(string tmdbId, string language, CancellationToken cancellationToken)
{
if (string.IsNullOrEmpty(tmdbId))
{
throw new ArgumentNullException("tmdbId");
}
await EnsureInfo(tmdbId, language, cancellationToken).ConfigureAwait(false);
var dataFilePath = GetDataFilePath(_config.ApplicationPaths, tmdbId, language);
if (!string.IsNullOrEmpty(dataFilePath))
{
return _json.DeserializeFromFile<RootObject>(dataFilePath);
}
return null;
}
private BoxSet GetItem(RootObject obj)
{
var item = new BoxSet();
item.Name = obj.name;
item.Overview = obj.overview;
item.SetProviderId(MetadataProviders.Tmdb, obj.id.ToString(_enUs));
return item;
}
private async Task DownloadInfo(string tmdbId, string preferredMetadataLanguage, CancellationToken cancellationToken)
{
var mainResult = await FetchMainResult(tmdbId, preferredMetadataLanguage, cancellationToken).ConfigureAwait(false);
if (mainResult == null) return;
var dataFilePath = GetDataFilePath(_config.ApplicationPaths, tmdbId, preferredMetadataLanguage);
Directory.CreateDirectory(Path.GetDirectoryName(dataFilePath));
_json.SerializeToFile(mainResult, dataFilePath);
}
private async Task<RootObject> FetchMainResult(string id, string language, CancellationToken cancellationToken)
{
var url = string.Format(GetCollectionInfo3, id, MovieDbSearch.ApiKey);
// Get images in english and with no language
url += "&include_image_language=en,null";
if (!string.IsNullOrEmpty(language))
{
// If preferred language isn't english, get those images too
if (!string.Equals(language, "en", StringComparison.OrdinalIgnoreCase))
{
url += string.Format(",{0}", language);
}
url += string.Format("&language={0}", language);
}
cancellationToken.ThrowIfCancellationRequested();
RootObject mainResult = null;
using (var json = await MovieDbProvider.Current.GetMovieDbResponse(new HttpRequestOptions
{
Url = url,
CancellationToken = cancellationToken,
AcceptHeader = MovieDbSearch.AcceptHeader
}).ConfigureAwait(false))
{
mainResult = _json.DeserializeFromStream<RootObject>(json);
}
cancellationToken.ThrowIfCancellationRequested();
if (mainResult != null && string.IsNullOrEmpty(mainResult.overview))
{
if (!string.IsNullOrEmpty(language) && !string.Equals(language, "en", StringComparison.OrdinalIgnoreCase))
{
url = string.Format(GetCollectionInfo3, id, MovieDbSearch.ApiKey) + "&include_image_language=en,null&language=en";
using (var json = await MovieDbProvider.Current.GetMovieDbResponse(new HttpRequestOptions
{
Url = url,
CancellationToken = cancellationToken,
AcceptHeader = MovieDbSearch.AcceptHeader
}).ConfigureAwait(false))
{
mainResult = _json.DeserializeFromStream<RootObject>(json);
}
if (String.IsNullOrEmpty(mainResult.overview))
{
_logger.Error("Unable to find information for (id:" + id + ")");
return null;
}
}
}
return mainResult;
}
private readonly Task _cachedTask = Task.FromResult(true);
internal Task EnsureInfo(string tmdbId, string preferredMetadataLanguage, CancellationToken cancellationToken)
{
var path = GetDataFilePath(_config.ApplicationPaths, tmdbId, preferredMetadataLanguage);
var fileInfo = _fileSystem.GetFileSystemInfo(path);
if (fileInfo.Exists)
{
// If it's recent or automatic updates are enabled, don't re-download
if ((DateTime.UtcNow - _fileSystem.GetLastWriteTimeUtc(fileInfo)).TotalDays <= 7)
{
return _cachedTask;
}
}
return DownloadInfo(tmdbId, preferredMetadataLanguage, cancellationToken);
}
private Task<string> GetTmdbId(ItemId id, CancellationToken cancellationToken)
{
return new MovieDbSearch(_logger, _json).FindCollectionId(id, cancellationToken);
}
public string Name
{
get { return "TheMovieDb"; }
}
private static string GetDataFilePath(IApplicationPaths appPaths, string tmdbId, string preferredLanguage)
{
var path = GetDataPath(appPaths, tmdbId);
var filename = string.Format("all-{0}.json",
preferredLanguage ?? string.Empty);
return Path.Combine(path, filename);
}
private static string GetDataPath(IApplicationPaths appPaths, string tmdbId)
{
var dataPath = GetCollectionsDataPath(appPaths);
return Path.Combine(dataPath, tmdbId);
}
private static string GetCollectionsDataPath(IApplicationPaths appPaths)
{
var dataPath = Path.Combine(appPaths.DataPath, "tmdb-collections");
return dataPath;
}
internal class Part
{
public string title { get; set; }
public int id { get; set; }
public string release_date { get; set; }
public string poster_path { get; set; }
public string backdrop_path { get; set; }
}
internal class Backdrop
{
public double aspect_ratio { get; set; }
public string file_path { get; set; }
public int height { get; set; }
public string iso_639_1 { get; set; }
public double vote_average { get; set; }
public int vote_count { get; set; }
public int width { get; set; }
}
internal class Poster
{
public double aspect_ratio { get; set; }
public string file_path { get; set; }
public int height { get; set; }
public string iso_639_1 { get; set; }
public double vote_average { get; set; }
public int vote_count { get; set; }
public int width { get; set; }
}
internal class Images
{
public List<Backdrop> backdrops { get; set; }
public List<Poster> posters { get; set; }
}
internal class RootObject
{
public int id { get; set; }
public string name { get; set; }
public string overview { get; set; }
public string poster_path { get; set; }
public string backdrop_path { get; set; }
public List<Part> parts { get; set; }
public Images images { get; set; }
}
}
}