jellyfin/MediaBrowser.Providers/TV/TvdbEpisodeProvider.cs
2014-02-11 23:29:13 -05:00

679 lines
28 KiB
C#

using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using System.Xml;
namespace MediaBrowser.Providers.TV
{
/// <summary>
/// Class RemoteEpisodeProvider
/// </summary>
class TvdbEpisodeProvider : IRemoteMetadataProvider<Episode, EpisodeInfo>, IHasChangeMonitor
{
internal static TvdbEpisodeProvider Current;
private readonly IFileSystem _fileSystem;
private readonly IServerConfigurationManager _config;
public TvdbEpisodeProvider(IFileSystem fileSystem, IServerConfigurationManager config)
{
_fileSystem = fileSystem;
_config = config;
Current = this;
}
public string Name
{
get { return "TheTVDB"; }
}
public Task<MetadataResult<Episode>> GetMetadata(EpisodeInfo id, CancellationToken cancellationToken)
{
var episodeId = id;
string seriesTvdbId;
episodeId.SeriesProviderIds.TryGetValue(MetadataProviders.Tvdb.ToString(), out seriesTvdbId);
var result = new MetadataResult<Episode>();
if (!string.IsNullOrEmpty(seriesTvdbId))
{
var seriesDataPath = TvdbSeriesProvider.GetSeriesDataPath(_config.ApplicationPaths, seriesTvdbId);
try
{
result.Item = FetchEpisodeData(episodeId, seriesDataPath, cancellationToken);
result.HasMetadata = result.Item != null;
}
catch (FileNotFoundException)
{
// Don't fail the provider because this will just keep on going and going.
}
}
return Task.FromResult(result);
}
public bool HasChanged(IHasMetadata item, IDirectoryService directoryService, DateTime date)
{
// Only enable for virtual items
if (item.LocationType != LocationType.Virtual)
{
return false;
}
var episode = (Episode)item;
var series = episode.Series;
var seriesId = series != null ? series.GetProviderId(MetadataProviders.Tvdb) : null;
if (!string.IsNullOrEmpty(seriesId))
{
// Process images
var seriesDataPath = TvdbSeriesProvider.GetSeriesDataPath(_config.ApplicationPaths, seriesId);
var files = GetEpisodeXmlFiles(episode.ParentIndexNumber, episode.IndexNumber, episode.IndexNumberEnd, seriesDataPath);
return files.Any(i => _fileSystem.GetLastWriteTimeUtc(i) > date);
}
return false;
}
/// <summary>
/// Gets the episode XML files.
/// </summary>
/// <param name="seasonNumber">The season number.</param>
/// <param name="episodeNumber">The episode number.</param>
/// <param name="endingEpisodeNumber">The ending episode number.</param>
/// <param name="seriesDataPath">The series data path.</param>
/// <returns>List{FileInfo}.</returns>
internal List<FileInfo> GetEpisodeXmlFiles(int? seasonNumber, int? episodeNumber, int? endingEpisodeNumber, string seriesDataPath)
{
var files = new List<FileInfo>();
if (episodeNumber == null)
{
return files;
}
if (seasonNumber == null)
{
return files;
}
var file = Path.Combine(seriesDataPath, string.Format("episode-{0}-{1}.xml", seasonNumber.Value, episodeNumber));
var fileInfo = new FileInfo(file);
var usingAbsoluteData = false;
if (fileInfo.Exists)
{
files.Add(fileInfo);
}
else
{
file = Path.Combine(seriesDataPath, string.Format("episode-abs-{0}.xml", episodeNumber));
fileInfo = new FileInfo(file);
if (fileInfo.Exists)
{
files.Add(fileInfo);
usingAbsoluteData = true;
}
}
var end = endingEpisodeNumber ?? episodeNumber;
episodeNumber++;
while (episodeNumber <= end)
{
if (usingAbsoluteData)
{
file = Path.Combine(seriesDataPath, string.Format("episode-abs-{0}.xml", episodeNumber));
}
else
{
file = Path.Combine(seriesDataPath, string.Format("episode-{0}-{1}.xml", seasonNumber.Value, episodeNumber));
}
fileInfo = new FileInfo(file);
if (fileInfo.Exists)
{
files.Add(fileInfo);
}
else
{
break;
}
episodeNumber++;
}
return files;
}
/// <summary>
/// Fetches the episode data.
/// </summary>
/// <param name="id">The identifier.</param>
/// <param name="seriesDataPath">The series data path.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{System.Boolean}.</returns>
private Episode FetchEpisodeData(EpisodeInfo id, string seriesDataPath, CancellationToken cancellationToken)
{
if (id.IndexNumber == null)
{
return null;
}
var episodeNumber = id.IndexNumber.Value;
var seasonNumber = id.ParentIndexNumber;
if (seasonNumber == null)
{
return null;
}
var file = Path.Combine(seriesDataPath, string.Format("episode-{0}-{1}.xml", seasonNumber.Value, episodeNumber));
var success = false;
var usingAbsoluteData = false;
var episode = new Episode
{
IndexNumber = id.IndexNumber,
ParentIndexNumber = id.ParentIndexNumber,
IndexNumberEnd = id.IndexNumberEnd
};
try
{
FetchMainEpisodeInfo(episode, file, cancellationToken);
success = true;
}
catch (FileNotFoundException)
{
// Could be using absolute numbering
if (seasonNumber.Value != 1)
{
throw;
}
}
if (!success)
{
file = Path.Combine(seriesDataPath, string.Format("episode-abs-{0}.xml", episodeNumber));
FetchMainEpisodeInfo(episode, file, cancellationToken);
usingAbsoluteData = true;
}
var end = id.IndexNumberEnd ?? episodeNumber;
episodeNumber++;
while (episodeNumber <= end)
{
if (usingAbsoluteData)
{
file = Path.Combine(seriesDataPath, string.Format("episode-abs-{0}.xml", episodeNumber));
}
else
{
file = Path.Combine(seriesDataPath, string.Format("episode-{0}-{1}.xml", seasonNumber.Value, episodeNumber));
}
try
{
FetchAdditionalPartInfo(episode, file, cancellationToken);
}
catch (FileNotFoundException)
{
break;
}
episodeNumber++;
}
return success ? episode : null;
}
private readonly CultureInfo _usCulture = new CultureInfo("en-US");
private void FetchMainEpisodeInfo(Episode item, string xmlFile, CancellationToken cancellationToken)
{
using (var streamReader = new StreamReader(xmlFile, Encoding.UTF8))
{
if (!item.LockedFields.Contains(MetadataFields.Cast))
{
item.People.Clear();
}
// Use XmlReader for best performance
using (var reader = XmlReader.Create(streamReader, new XmlReaderSettings
{
CheckCharacters = false,
IgnoreProcessingInstructions = true,
IgnoreComments = true,
ValidationType = ValidationType.None
}))
{
reader.MoveToContent();
// Loop through each element
while (reader.Read())
{
cancellationToken.ThrowIfCancellationRequested();
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "id":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.SetProviderId(MetadataProviders.Tvdb, val);
}
break;
}
case "IMDB_ID":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.SetProviderId(MetadataProviders.Imdb, val);
}
break;
}
case "DVD_episodenumber":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
float num;
if (float.TryParse(val, NumberStyles.Any, _usCulture, out num))
{
item.DvdEpisodeNumber = num;
}
}
break;
}
case "DVD_season":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
float num;
if (float.TryParse(val, NumberStyles.Any, _usCulture, out num))
{
item.DvdSeasonNumber = Convert.ToInt32(num);
}
}
break;
}
case "absolute_number":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
int rval;
// int.TryParse is local aware, so it can be probamatic, force us culture
if (int.TryParse(val, NumberStyles.Integer, _usCulture, out rval))
{
item.AbsoluteEpisodeNumber = rval;
}
}
break;
}
case "airsbefore_episode":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
int rval;
// int.TryParse is local aware, so it can be probamatic, force us culture
if (int.TryParse(val, NumberStyles.Integer, _usCulture, out rval))
{
item.AirsBeforeEpisodeNumber = rval;
}
}
break;
}
case "airsafter_season":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
int rval;
// int.TryParse is local aware, so it can be probamatic, force us culture
if (int.TryParse(val, NumberStyles.Integer, _usCulture, out rval))
{
item.AirsAfterSeasonNumber = rval;
}
}
break;
}
case "airsbefore_season":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
int rval;
// int.TryParse is local aware, so it can be probamatic, force us culture
if (int.TryParse(val, NumberStyles.Integer, _usCulture, out rval))
{
item.AirsBeforeSeasonNumber = rval;
}
}
break;
}
case "EpisodeName":
{
if (!item.LockedFields.Contains(MetadataFields.Name))
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.Name = val;
}
}
break;
}
case "Overview":
{
if (!item.LockedFields.Contains(MetadataFields.Overview))
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.Overview = val;
}
}
break;
}
case "Rating":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
float rval;
// float.TryParse is local aware, so it can be probamatic, force us culture
if (float.TryParse(val, NumberStyles.AllowDecimalPoint, _usCulture, out rval))
{
item.CommunityRating = rval;
}
}
break;
}
case "RatingCount":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
int rval;
// int.TryParse is local aware, so it can be probamatic, force us culture
if (int.TryParse(val, NumberStyles.Integer, _usCulture, out rval))
{
item.VoteCount = rval;
}
}
break;
}
case "FirstAired":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
DateTime date;
if (DateTime.TryParse(val, out date))
{
date = date.ToUniversalTime();
item.PremiereDate = date;
item.ProductionYear = date.Year;
}
}
break;
}
case "Director":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (!item.LockedFields.Contains(MetadataFields.Cast))
{
AddPeople(item, val, PersonType.Director);
}
}
break;
}
case "GuestStars":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (!item.LockedFields.Contains(MetadataFields.Cast))
{
AddGuestStars(item, val);
}
}
break;
}
case "Writer":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (!item.LockedFields.Contains(MetadataFields.Cast))
{
AddPeople(item, val, PersonType.Writer);
}
}
break;
}
default:
reader.Skip();
break;
}
}
}
}
}
}
private void AddPeople(BaseItem item, string val, string personType)
{
// Sometimes tvdb actors have leading spaces
foreach (var person in val.Split(new[] { '|', ',' }, StringSplitOptions.RemoveEmptyEntries)
.Where(i => !string.IsNullOrWhiteSpace(i))
.Select(str => new PersonInfo { Type = personType, Name = str.Trim() }))
{
item.AddPerson(person);
}
}
private void AddGuestStars(BaseItem item, string val)
{
// Sometimes tvdb actors have leading spaces
//Regex Info:
//The first block are the posible delimitators (open-parentheses should be there cause if dont the next block will fail)
//The second block Allow the delimitators to be part of the text if they're inside parentheses
var persons = Regex.Matches(val, @"(?<delimitators>([^|,(])|(?<ignoreinParentheses>\([^)]*\)*))+")
.Cast<Match>()
.Select(m => m.Value)
.Where(i => !string.IsNullOrWhiteSpace(i) && !string.IsNullOrEmpty(i));
foreach (var person in persons.Select(str =>
{
var nameGroup = str.Split(new[] { '(' }, 2, StringSplitOptions.RemoveEmptyEntries);
var name = nameGroup[0].Trim();
var roles = nameGroup.Count() > 1 ? nameGroup[1].Trim() : null;
if (roles != null)
roles = roles.EndsWith(")") ? roles.Substring(0, roles.Length - 1) : roles;
return new PersonInfo { Type = PersonType.GuestStar, Name = name, Role = roles };
}))
{
item.AddPerson(person);
}
}
private void FetchAdditionalPartInfo(Episode item, string xmlFile, CancellationToken cancellationToken)
{
using (var streamReader = new StreamReader(xmlFile, Encoding.UTF8))
{
// Use XmlReader for best performance
using (var reader = XmlReader.Create(streamReader, new XmlReaderSettings
{
CheckCharacters = false,
IgnoreProcessingInstructions = true,
IgnoreComments = true,
ValidationType = ValidationType.None
}))
{
reader.MoveToContent();
// Loop through each element
while (reader.Read())
{
cancellationToken.ThrowIfCancellationRequested();
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "EpisodeName":
{
if (!item.LockedFields.Contains(MetadataFields.Name))
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.Name += ", " + val;
}
}
break;
}
case "Overview":
{
if (!item.LockedFields.Contains(MetadataFields.Overview))
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.Overview += Environment.NewLine + Environment.NewLine + val;
}
}
break;
}
case "Director":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (!item.LockedFields.Contains(MetadataFields.Cast))
{
AddPeople(item, val, PersonType.Director);
}
}
break;
}
case "GuestStars":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (!item.LockedFields.Contains(MetadataFields.Cast))
{
AddGuestStars(item, val);
}
}
break;
}
case "Writer":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (!item.LockedFields.Contains(MetadataFields.Cast))
{
AddPeople(item, val, PersonType.Writer);
}
}
break;
}
default:
reader.Skip();
break;
}
}
}
}
}
}
}
}