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jellyfin/MediaBrowser.Providers/Omdb/OmdbProvider.cs

515 lines
18 KiB

using MediaBrowser.Model.IO;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Providers;
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<T>(MetadataResult<T> itemResult, string imdbId, string language, string country, CancellationToken cancellationToken)
where T : BaseItem
{
if (string.IsNullOrWhiteSpace(imdbId))
{
throw new ArgumentNullException("imdbId");
}
T item = itemResult.Item;
var result = await GetRootObject(imdbId, cancellationToken).ConfigureAwait(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) && result.Year.Length >= 4
&& int.TryParse(result.Year.Substring(0, 4), NumberStyles.Number, _usCulture, out year)
&& year >= 0)
{
item.ProductionYear = year;
}
var tomatoScore = result.GetRottenTomatoScore();
if (tomatoScore.HasValue)
{
item.CriticRating = tomatoScore;
}
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(itemResult, result);
}
public async Task<bool> FetchEpisodeData<T>(MetadataResult<T> itemResult, int episodeNumber, int seasonNumber, string imdbId, string language, string country, CancellationToken cancellationToken)
where T : BaseItem
{
if (string.IsNullOrWhiteSpace(imdbId))
{
throw new ArgumentNullException("imdbId");
}
T item = itemResult.Item;
var seasonResult = await GetSeasonRootObject(imdbId, seasonNumber, cancellationToken).ConfigureAwait(false);
if (seasonResult == null)
{
return false;
}
RootObject result = null;
foreach (var episode in (seasonResult.Episodes ?? new RootObject[] { }))
{
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) && result.Year.Length >= 4
&& int.TryParse(result.Year.Substring(0, 4), NumberStyles.Number, _usCulture, out year)
&& year >= 0)
{
item.ProductionYear = year;
}
var tomatoScore = result.GetRottenTomatoScore();
if (tomatoScore.HasValue)
{
item.CriticRating = tomatoScore;
}
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(itemResult, result);
return true;
}
internal async Task<RootObject> GetRootObject(string imdbId, CancellationToken cancellationToken)
{
var path = await EnsureItemInfo(imdbId, cancellationToken).ConfigureAwait(false);
string resultString;
using (Stream stream = _fileSystem.GetFileStream(path, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.Read))
{
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).ConfigureAwait(false);
string resultString;
using (Stream stream = _fileSystem.GetFileStream(path, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.Read))
{
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;
}
public static async Task<string> GetOmdbBaseUrl(CancellationToken cancellationToken)
{
return "https://www.omdbapi.com";
}
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 baseUrl = await GetOmdbBaseUrl(cancellationToken).ConfigureAwait(false);
var url = string.Format(baseUrl + "/?i={0}&plot=full&tomatoes=true&r=json", imdbParam);
using (var stream = await GetOmdbResponse(_httpClient, url, 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 baseUrl = await GetOmdbBaseUrl(cancellationToken).ConfigureAwait(false);
var url = string.Format(baseUrl + "/?i={0}&season={1}&detail=full", imdbParam, seasonId);
using (var stream = await GetOmdbResponse(_httpClient, url, cancellationToken).ConfigureAwait(false))
{
var rootObject = _jsonSerializer.DeserializeFromStream<SeasonRootObject>(stream);
_fileSystem.CreateDirectory(Path.GetDirectoryName(path));
_jsonSerializer.SerializeToFile(rootObject, path);
}
return path;
}
public static Task<Stream> GetOmdbResponse(IHttpClient httpClient, string url, CancellationToken cancellationToken)
{
return httpClient.Get(new HttpRequestOptions
{
Url = url,
ResourcePool = ResourcePool,
CancellationToken = cancellationToken,
BufferContent = true,
EnableDefaultUserAgent = true
});
}
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<T>(MetadataResult<T> itemResult, RootObject result)
where T : BaseItem
{
T item = itemResult.Item;
var isConfiguredForEnglish = IsConfiguredForEnglish(item);
// 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 (isConfiguredForEnglish && !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 hasAwards = item as IHasAwards;
if (hasAwards != null && !string.IsNullOrEmpty(result.Awards))
{
hasAwards.AwardSummary = WebUtility.HtmlDecode(result.Awards);
}
if (isConfiguredForEnglish)
{
// Omdb is currently english only, so for other languages skip this and let secondary providers fill it in
item.Overview = result.Plot;
}
//if (!string.IsNullOrWhiteSpace(result.Director))
//{
// var person = new PersonInfo
// {
// Name = result.Director.Trim(),
// Type = PersonType.Director
// };
// itemResult.AddPerson(person);
//}
//if (!string.IsNullOrWhiteSpace(result.Writer))
//{
// var person = new PersonInfo
// {
// Name = result.Director.Trim(),
// Type = PersonType.Writer
// };
// itemResult.AddPerson(person);
//}
//if (!string.IsNullOrWhiteSpace(result.Actors))
//{
// var actorList = result.Actors.Split(',');
// foreach (var actor in actorList)
// {
// if (!string.IsNullOrWhiteSpace(actor))
// {
// var person = new PersonInfo
// {
// Name = actor.Trim(),
// Type = PersonType.Actor
// };
// itemResult.AddPerson(person);
// }
// }
//}
}
private bool IsConfiguredForEnglish(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 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 Language { get; set; }
public string Country { get; set; }
public string Awards { get; set; }
public string Poster { get; set; }
public List<OmdbRating> Ratings { get; set; }
public string Metascore { get; set; }
public string imdbRating { get; set; }
public string imdbVotes { get; set; }
public string imdbID { get; set; }
public string Type { 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 int Episode { get; set; }
public float? GetRottenTomatoScore()
{
if (Ratings != null)
{
var rating = Ratings.FirstOrDefault(i => string.Equals(i.Source, "Rotten Tomatoes", StringComparison.OrdinalIgnoreCase));
if (rating != null && rating.Value != null)
{
var value = rating.Value.TrimEnd('%');
float score;
if (float.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out score))
{
return score;
}
}
}
return null;
}
}
public class OmdbRating
{
public string Source { get; set; }
public string Value { get; set; }
}
}
}