jellyfin-server/MediaBrowser.Providers/TV/TvdbEpisodeProvider.cs
2013-11-17 10:27:48 -05:00

775 lines
32 KiB
C#

using MediaBrowser.Common.IO;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Net;
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 : BaseMetadataProvider
{
/// <summary>
/// The _provider manager
/// </summary>
private readonly IProviderManager _providerManager;
/// <summary>
/// Gets the HTTP client.
/// </summary>
/// <value>The HTTP client.</value>
protected IHttpClient HttpClient { get; private set; }
private readonly IFileSystem _fileSystem;
internal static TvdbEpisodeProvider Current;
/// <summary>
/// Initializes a new instance of the <see cref="TvdbEpisodeProvider" /> class.
/// </summary>
/// <param name="httpClient">The HTTP client.</param>
/// <param name="logManager">The log manager.</param>
/// <param name="configurationManager">The configuration manager.</param>
/// <param name="providerManager">The provider manager.</param>
public TvdbEpisodeProvider(IHttpClient httpClient, ILogManager logManager, IServerConfigurationManager configurationManager, IProviderManager providerManager, IFileSystem fileSystem)
: base(logManager, configurationManager)
{
HttpClient = httpClient;
_providerManager = providerManager;
_fileSystem = fileSystem;
Current = this;
}
/// <summary>
/// Supportses the specified item.
/// </summary>
/// <param name="item">The item.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
public override bool Supports(BaseItem item)
{
return item is Episode;
}
public override ItemUpdateType ItemUpdateType
{
get
{
return ItemUpdateType.ImageUpdate | ItemUpdateType.MetadataDownload;
}
}
/// <summary>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public override MetadataProviderPriority Priority
{
get { return MetadataProviderPriority.Third; }
}
/// <summary>
/// Gets a value indicating whether [requires internet].
/// </summary>
/// <value><c>true</c> if [requires internet]; otherwise, <c>false</c>.</value>
public override bool RequiresInternet
{
get { return true; }
}
/// <summary>
/// Gets a value indicating whether [refresh on version change].
/// </summary>
/// <value><c>true</c> if [refresh on version change]; otherwise, <c>false</c>.</value>
protected override bool RefreshOnVersionChange
{
get
{
return true;
}
}
/// <summary>
/// Gets the provider version.
/// </summary>
/// <value>The provider version.</value>
protected override string ProviderVersion
{
get
{
return "5";
}
}
/// <summary>
/// Needses the refresh internal.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="providerInfo">The provider info.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
protected override bool NeedsRefreshInternal(BaseItem item, BaseProviderInfo providerInfo)
{
var locationType = item.LocationType;
// Always use tvdb updates for non-file system episodes
if (locationType != LocationType.Remote && locationType != LocationType.Virtual)
{
// Don't proceed if there's local metadata
if (!ConfigurationManager.Configuration.EnableTvDbUpdates && HasLocalMeta(item))
{
return false;
}
}
return base.NeedsRefreshInternal(item, providerInfo);
}
protected override bool NeedsRefreshBasedOnCompareDate(BaseItem item, BaseProviderInfo providerInfo)
{
var episode = (Episode)item;
var seriesId = episode.Series != null ? episode.Series.GetProviderId(MetadataProviders.Tvdb) : null;
if (!string.IsNullOrEmpty(seriesId))
{
// Process images
var seriesDataPath = TvdbSeriesProvider.GetSeriesDataPath(ConfigurationManager.ApplicationPaths, seriesId);
var files = GetEpisodeXmlFiles(episode, seriesDataPath);
if (files.Count > 0)
{
return files.Select(i => _fileSystem.GetLastWriteTimeUtc(i)).Max() > providerInfo.LastRefreshed;
}
}
return false;
}
/// <summary>
/// Gets the episode XML files.
/// </summary>
/// <param name="episode">The episode.</param>
/// <param name="seriesDataPath">The series data path.</param>
/// <returns>List{FileInfo}.</returns>
internal List<FileInfo> GetEpisodeXmlFiles(Episode episode, string seriesDataPath)
{
var files = new List<FileInfo>();
if (episode.IndexNumber == null)
{
return files;
}
var episodeNumber = episode.IndexNumber.Value;
var seasonNumber = episode.ParentIndexNumber;
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 = episode.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));
}
fileInfo = new FileInfo(file);
if (fileInfo.Exists)
{
files.Add(fileInfo);
}
else
{
break;
}
episodeNumber++;
}
return files;
}
/// <summary>
/// Fetches metadata and returns true or false indicating if any work that requires persistence was done
/// </summary>
/// <param name="item">The item.</param>
/// <param name="force">if set to <c>true</c> [force].</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{System.Boolean}.</returns>
public override async Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var status = ProviderRefreshStatus.Success;
var episode = (Episode)item;
var seriesId = episode.Series != null ? episode.Series.GetProviderId(MetadataProviders.Tvdb) : null;
if (!string.IsNullOrEmpty(seriesId))
{
var seriesDataPath = TvdbSeriesProvider.GetSeriesDataPath(ConfigurationManager.ApplicationPaths, seriesId);
try
{
status = await FetchEpisodeData(episode, seriesDataPath, cancellationToken).ConfigureAwait(false);
}
catch (FileNotFoundException)
{
// Don't fail the provider because this will just keep on going and going.
}
}
SetLastRefreshed(item, DateTime.UtcNow, status);
return true;
}
/// <summary>
/// Fetches the episode data.
/// </summary>
/// <param name="episode">The episode.</param>
/// <param name="seriesDataPath">The series data path.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{System.Boolean}.</returns>
private async Task<ProviderRefreshStatus> FetchEpisodeData(Episode episode, string seriesDataPath, CancellationToken cancellationToken)
{
var status = ProviderRefreshStatus.Success;
if (episode.IndexNumber == null)
{
return status;
}
var episodeNumber = episode.IndexNumber.Value;
var seasonNumber = episode.ParentIndexNumber;
if (seasonNumber == null)
{
return status;
}
var file = Path.Combine(seriesDataPath, string.Format("episode-{0}-{1}.xml", seasonNumber.Value, episodeNumber));
var success = false;
var usingAbsoluteData = false;
try
{
status = await FetchMainEpisodeInfo(episode, file, cancellationToken).ConfigureAwait(false);
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));
status = await FetchMainEpisodeInfo(episode, file, cancellationToken).ConfigureAwait(false);
usingAbsoluteData = true;
}
var end = episode.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 status;
}
private readonly CultureInfo _usCulture = new CultureInfo("en-US");
private async Task<ProviderRefreshStatus> FetchMainEpisodeInfo(Episode item, string xmlFile, CancellationToken cancellationToken)
{
var status = ProviderRefreshStatus.Success;
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 "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 "Language":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.Language = val;
}
break;
}
case "filename":
{
if (string.IsNullOrEmpty(item.PrimaryImagePath))
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
try
{
var url = TVUtils.BannerUrl + val;
await _providerManager.SaveImage(item, url, TvdbSeriesProvider.Current.TvDbResourcePool, ImageType.Primary, null, cancellationToken).ConfigureAwait(false);
}
catch (HttpException)
{
status = ProviderRefreshStatus.CompletedWithErrors;
}
}
}
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;
}
}
}
}
}
return status;
}
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;
}
}
}
}
}
}
/// <summary>
/// Determines whether [has local meta] [the specified episode].
/// </summary>
/// <param name="episode">The episode.</param>
/// <returns><c>true</c> if [has local meta] [the specified episode]; otherwise, <c>false</c>.</returns>
private bool HasLocalMeta(BaseItem episode)
{
return (episode.Parent.ResolveArgs.ContainsMetaFileByName(Path.GetFileNameWithoutExtension(episode.Path) + ".xml"));
}
}
}