jellyfin-server/MediaBrowser.Providers/Omdb/OmdbProvider.cs

482 lines
18 KiB
C#

using CommonIO;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Serialization;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Providers.Omdb
{
public class OmdbProvider
{
internal static readonly SemaphoreSlim ResourcePool = new SemaphoreSlim(1, 1);
private readonly IJsonSerializer _jsonSerializer;
private readonly IFileSystem _fileSystem;
private readonly IServerConfigurationManager _configurationManager;
private readonly IHttpClient _httpClient;
private readonly CultureInfo _usCulture = new CultureInfo("en-US");
public OmdbProvider(IJsonSerializer jsonSerializer, IHttpClient httpClient, IFileSystem fileSystem, IServerConfigurationManager configurationManager)
{
_jsonSerializer = jsonSerializer;
_httpClient = httpClient;
_fileSystem = fileSystem;
_configurationManager = configurationManager;
}
public async Task Fetch(BaseItem item, string imdbId, string language, string country, CancellationToken cancellationToken)
{
if (string.IsNullOrWhiteSpace(imdbId))
{
throw new ArgumentNullException("imdbId");
}
var result = await GetRootObject(imdbId, cancellationToken);
// Only take the name and rating if the user's language is set to english, since Omdb has no localization
if (string.Equals(language, "en", StringComparison.OrdinalIgnoreCase))
{
item.Name = result.Title;
if (string.Equals(country, "us", StringComparison.OrdinalIgnoreCase))
{
item.OfficialRating = result.Rated;
}
}
int year;
if (!string.IsNullOrEmpty(result.Year)
&& int.TryParse(result.Year, NumberStyles.Number, _usCulture, out year)
&& year >= 0)
{
item.ProductionYear = year;
}
var hasCriticRating = item as IHasCriticRating;
if (hasCriticRating != null)
{
// Seeing some bogus RT data on omdb for series, so filter it out here
// RT doesn't even have tv series
int tomatoMeter;
if (!string.IsNullOrEmpty(result.tomatoMeter)
&& int.TryParse(result.tomatoMeter, NumberStyles.Integer, _usCulture, out tomatoMeter)
&& tomatoMeter >= 0)
{
hasCriticRating.CriticRating = tomatoMeter;
}
if (!string.IsNullOrEmpty(result.tomatoConsensus)
&& !string.Equals(result.tomatoConsensus, "No consensus yet.", StringComparison.OrdinalIgnoreCase))
{
hasCriticRating.CriticRatingSummary = WebUtility.HtmlDecode(result.tomatoConsensus);
}
}
int voteCount;
if (!string.IsNullOrEmpty(result.imdbVotes)
&& int.TryParse(result.imdbVotes, NumberStyles.Number, _usCulture, out voteCount)
&& voteCount >= 0)
{
item.VoteCount = voteCount;
}
float imdbRating;
if (!string.IsNullOrEmpty(result.imdbRating)
&& float.TryParse(result.imdbRating, NumberStyles.Any, _usCulture, out imdbRating)
&& imdbRating >= 0)
{
item.CommunityRating = imdbRating;
}
if (!string.IsNullOrEmpty(result.Website))
{
item.HomePageUrl = result.Website;
}
if (!string.IsNullOrWhiteSpace(result.imdbID))
{
item.SetProviderId(MetadataProviders.Imdb, result.imdbID);
}
ParseAdditionalMetadata(item, result);
}
public async Task<bool> FetchEpisodeData(BaseItem item, int episodeNumber, int seasonNumber, string imdbId, string language, string country, CancellationToken cancellationToken)
{
if (string.IsNullOrWhiteSpace(imdbId))
{
throw new ArgumentNullException("imdbId");
}
var seasonResult = await GetSeasonRootObject(imdbId, seasonNumber, cancellationToken);
RootObject result = null;
foreach (var episode in seasonResult.Episodes)
{
if (episode.Episode == episodeNumber)
{
result = episode;
break;
}
}
if (result == null)
{
return false;
}
// Only take the name and rating if the user's language is set to english, since Omdb has no localization
if (string.Equals(language, "en", StringComparison.OrdinalIgnoreCase))
{
item.Name = result.Title;
if (string.Equals(country, "us", StringComparison.OrdinalIgnoreCase))
{
item.OfficialRating = result.Rated;
}
}
int year;
if (!string.IsNullOrEmpty(result.Year)
&& int.TryParse(result.Year, NumberStyles.Number, _usCulture, out year)
&& year >= 0)
{
item.ProductionYear = year;
}
var hasCriticRating = item as IHasCriticRating;
if (hasCriticRating != null)
{
// Seeing some bogus RT data on omdb for series, so filter it out here
// RT doesn't even have tv series
int tomatoMeter;
if (!string.IsNullOrEmpty(result.tomatoMeter)
&& int.TryParse(result.tomatoMeter, NumberStyles.Integer, _usCulture, out tomatoMeter)
&& tomatoMeter >= 0)
{
hasCriticRating.CriticRating = tomatoMeter;
}
if (!string.IsNullOrEmpty(result.tomatoConsensus)
&& !string.Equals(result.tomatoConsensus, "No consensus yet.", StringComparison.OrdinalIgnoreCase))
{
hasCriticRating.CriticRatingSummary = WebUtility.HtmlDecode(result.tomatoConsensus);
}
}
int voteCount;
if (!string.IsNullOrEmpty(result.imdbVotes)
&& int.TryParse(result.imdbVotes, NumberStyles.Number, _usCulture, out voteCount)
&& voteCount >= 0)
{
item.VoteCount = voteCount;
}
float imdbRating;
if (!string.IsNullOrEmpty(result.imdbRating)
&& float.TryParse(result.imdbRating, NumberStyles.Any, _usCulture, out imdbRating)
&& imdbRating >= 0)
{
item.CommunityRating = imdbRating;
}
if (!string.IsNullOrEmpty(result.Website))
{
item.HomePageUrl = result.Website;
}
if (!string.IsNullOrWhiteSpace(result.imdbID))
{
item.SetProviderId(MetadataProviders.Imdb, result.imdbID);
}
ParseAdditionalMetadata(item, result);
return true;
}
internal async Task<RootObject> GetRootObject(string imdbId, CancellationToken cancellationToken)
{
var path = await EnsureItemInfo(imdbId, cancellationToken);
string resultString;
using (Stream stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, 131072))
{
using (var reader = new StreamReader(stream, new UTF8Encoding(false)))
{
resultString = reader.ReadToEnd();
resultString = resultString.Replace("\"N/A\"", "\"\"");
}
}
var result = _jsonSerializer.DeserializeFromString<RootObject>(resultString);
return result;
}
internal async Task<SeasonRootObject> GetSeasonRootObject(string imdbId, int seasonId, CancellationToken cancellationToken)
{
var path = await EnsureSeasonInfo(imdbId, seasonId, cancellationToken);
string resultString;
using (Stream stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, 131072))
{
using (var reader = new StreamReader(stream, new UTF8Encoding(false)))
{
resultString = reader.ReadToEnd();
resultString = resultString.Replace("\"N/A\"", "\"\"");
}
}
var result = _jsonSerializer.DeserializeFromString<SeasonRootObject>(resultString);
return result;
}
internal static bool IsValidSeries(Dictionary<string, string> seriesProviderIds)
{
string id;
if (seriesProviderIds.TryGetValue(MetadataProviders.Imdb.ToString(), out id) && !string.IsNullOrEmpty(id))
{
// This check should ideally never be necessary but we're seeing some cases of this and haven't tracked them down yet.
if (!string.IsNullOrWhiteSpace(id))
{
return true;
}
}
return false;
}
private async Task<string> EnsureItemInfo(string imdbId, CancellationToken cancellationToken)
{
if (string.IsNullOrWhiteSpace(imdbId))
{
throw new ArgumentNullException("imdbId");
}
var imdbParam = imdbId.StartsWith("tt", StringComparison.OrdinalIgnoreCase) ? imdbId : "tt" + imdbId;
var path = GetDataFilePath(imdbParam);
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 <= 3)
{
return path;
}
}
var url = string.Format("https://www.omdbapi.com/?i={0}&tomatoes=true", imdbParam);
using (var stream = await _httpClient.Get(new HttpRequestOptions
{
Url = url,
ResourcePool = ResourcePool,
CancellationToken = cancellationToken
}).ConfigureAwait(false))
{
var rootObject = _jsonSerializer.DeserializeFromStream<RootObject>(stream);
_fileSystem.CreateDirectory(Path.GetDirectoryName(path));
_jsonSerializer.SerializeToFile(rootObject, path);
}
return path;
}
private async Task<string> EnsureSeasonInfo(string seriesImdbId, int seasonId, CancellationToken cancellationToken)
{
if (string.IsNullOrWhiteSpace(seriesImdbId))
{
throw new ArgumentNullException("imdbId");
}
var imdbParam = seriesImdbId.StartsWith("tt", StringComparison.OrdinalIgnoreCase) ? seriesImdbId : "tt" + seriesImdbId;
var path = GetSeasonFilePath(imdbParam, seasonId);
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 <= 3)
{
return path;
}
}
var url = string.Format("https://www.omdbapi.com/?i={0}&season={1}&detail=full", imdbParam, seasonId);
using (var stream = await _httpClient.Get(new HttpRequestOptions
{
Url = url,
ResourcePool = ResourcePool,
CancellationToken = cancellationToken
}).ConfigureAwait(false))
{
var rootObject = _jsonSerializer.DeserializeFromStream<SeasonRootObject>(stream);
_fileSystem.CreateDirectory(Path.GetDirectoryName(path));
_jsonSerializer.SerializeToFile(rootObject, path);
}
return path;
}
internal string GetDataFilePath(string imdbId)
{
if (string.IsNullOrEmpty(imdbId))
{
throw new ArgumentNullException("imdbId");
}
var dataPath = Path.Combine(_configurationManager.ApplicationPaths.CachePath, "omdb");
var filename = string.Format("{0}.json", imdbId);
return Path.Combine(dataPath, filename);
}
internal string GetSeasonFilePath(string imdbId, int seasonId)
{
if (string.IsNullOrEmpty(imdbId))
{
throw new ArgumentNullException("imdbId");
}
var dataPath = Path.Combine(_configurationManager.ApplicationPaths.CachePath, "omdb");
var filename = string.Format("{0}_season_{1}.json", imdbId, seasonId);
return Path.Combine(dataPath, filename);
}
private void ParseAdditionalMetadata(BaseItem item, RootObject result)
{
// Grab series genres because imdb data is better than tvdb. Leave movies alone
// But only do it if english is the preferred language because this data will not be localized
if (ShouldFetchGenres(item) &&
!string.IsNullOrWhiteSpace(result.Genre))
{
item.Genres.Clear();
foreach (var genre in result.Genre
.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
.Select(i => i.Trim())
.Where(i => !string.IsNullOrWhiteSpace(i)))
{
item.AddGenre(genre);
}
}
var hasMetascore = item as IHasMetascore;
if (hasMetascore != null)
{
float metascore;
if (!string.IsNullOrEmpty(result.Metascore) && float.TryParse(result.Metascore, NumberStyles.Any, _usCulture, out metascore) && metascore >= 0)
{
hasMetascore.Metascore = metascore;
}
}
var hasAwards = item as IHasAwards;
if (hasAwards != null && !string.IsNullOrEmpty(result.Awards))
{
hasAwards.AwardSummary = WebUtility.HtmlDecode(result.Awards);
}
var hasShortOverview = item as IHasShortOverview;
if (hasShortOverview != null)
{
// Imdb plots are usually pretty short
hasShortOverview.ShortOverview = result.Plot;
}
}
private bool ShouldFetchGenres(BaseItem item)
{
var lang = item.GetPreferredMetadataLanguage();
// The data isn't localized and so can only be used for english users
return string.Equals(lang, "en", StringComparison.OrdinalIgnoreCase);
}
internal class SeasonRootObject
{
public string Title { get; set; }
public string seriesID { get; set; }
public int Season { get; set; }
public int? totalSeasons { get; set; }
public RootObject[] Episodes { get; set; }
public string Response { get; set; }
}
internal class RootObject
{
public string Title { get; set; }
public string Year { get; set; }
public string Rated { get; set; }
public string Released { get; set; }
public int Episode { get; set; }
public string Runtime { get; set; }
public string Genre { get; set; }
public string Director { get; set; }
public string Writer { get; set; }
public string Actors { get; set; }
public string Plot { get; set; }
public string Poster { get; set; }
public string imdbRating { get; set; }
public string imdbVotes { get; set; }
public string imdbID { get; set; }
public string Type { get; set; }
public string tomatoMeter { get; set; }
public string tomatoImage { get; set; }
public string tomatoRating { get; set; }
public string tomatoReviews { get; set; }
public string tomatoFresh { get; set; }
public string tomatoRotten { get; set; }
public string tomatoConsensus { get; set; }
public string tomatoUserMeter { get; set; }
public string tomatoUserRating { get; set; }
public string tomatoUserReviews { get; set; }
public string DVD { get; set; }
public string BoxOffice { get; set; }
public string Production { get; set; }
public string Website { get; set; }
public string Response { get; set; }
public string Language { get; set; }
public string Country { get; set; }
public string Awards { get; set; }
public string Metascore { get; set; }
}
}
}