jellyfin/MediaBrowser.Providers/TV/TheTVDB/TvdbSeriesProvider.cs
2019-01-30 16:57:15 +01:00

1744 lines
70 KiB
C#
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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;
using System.Xml;
using MediaBrowser.Common.Configuration;
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.Globalization;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Net;
using MediaBrowser.Model.Providers;
using MediaBrowser.Model.Xml;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Providers.TV
{
public class TvdbSeriesProvider : IRemoteMetadataProvider<Series, SeriesInfo>, IHasOrder
{
internal static TvdbSeriesProvider Current { get; private set; }
private readonly IZipClient _zipClient;
private readonly IHttpClient _httpClient;
private readonly IFileSystem _fileSystem;
private readonly IXmlReaderSettingsFactory _xmlSettings;
private readonly IServerConfigurationManager _config;
private readonly CultureInfo _usCulture = new CultureInfo("en-US");
private readonly ILogger _logger;
private readonly ILibraryManager _libraryManager;
private readonly ILocalizationManager _localizationManager;
public TvdbSeriesProvider(IZipClient zipClient, IHttpClient httpClient, IFileSystem fileSystem, IServerConfigurationManager config, ILogger logger, ILibraryManager libraryManager, IXmlReaderSettingsFactory xmlSettings, ILocalizationManager localizationManager)
{
_zipClient = zipClient;
_httpClient = httpClient;
_fileSystem = fileSystem;
_config = config;
_logger = logger;
_libraryManager = libraryManager;
_xmlSettings = xmlSettings;
_localizationManager = localizationManager;
Current = this;
}
public const string TvdbBaseUrl = "https://www.thetvdb.com/";
private const string SeriesSearchUrl = TvdbBaseUrl + "api/GetSeries.php?seriesname={0}&language={1}";
private const string SeriesGetZip = TvdbBaseUrl + "api/{0}/series/{1}/all/{2}.zip";
private const string GetSeriesByImdbId = TvdbBaseUrl + "api/GetSeriesByRemoteID.php?imdbid={0}&language={1}";
private const string GetSeriesByZap2ItId = TvdbBaseUrl + "api/GetSeriesByRemoteID.php?zap2it={0}&language={1}";
private string NormalizeLanguage(string language)
{
if (string.IsNullOrWhiteSpace(language))
{
return language;
}
// pt-br is just pt to tvdb
return language.Split('-')[0].ToLowerInvariant();
}
public async Task<IEnumerable<RemoteSearchResult>> GetSearchResults(SeriesInfo searchInfo, CancellationToken cancellationToken)
{
if (IsValidSeries(searchInfo.ProviderIds))
{
var metadata = await GetMetadata(searchInfo, cancellationToken).ConfigureAwait(false);
if (metadata.HasMetadata)
{
return new List<RemoteSearchResult>
{
new RemoteSearchResult
{
Name = metadata.Item.Name,
PremiereDate = metadata.Item.PremiereDate,
ProductionYear = metadata.Item.ProductionYear,
ProviderIds = metadata.Item.ProviderIds,
SearchProviderName = Name
}
};
}
}
return await FindSeries(searchInfo.Name, searchInfo.Year, searchInfo.MetadataLanguage, cancellationToken).ConfigureAwait(false);
}
public async Task<MetadataResult<Series>> GetMetadata(SeriesInfo itemId, CancellationToken cancellationToken)
{
var result = new MetadataResult<Series>();
result.QueriedById = true;
if (!IsValidSeries(itemId.ProviderIds))
{
result.QueriedById = false;
await Identify(itemId).ConfigureAwait(false);
}
cancellationToken.ThrowIfCancellationRequested();
if (IsValidSeries(itemId.ProviderIds))
{
var seriesDataPath = await EnsureSeriesInfo(itemId.ProviderIds, itemId.Name, itemId.Year, itemId.MetadataLanguage, cancellationToken).ConfigureAwait(false);
if (string.IsNullOrEmpty(seriesDataPath))
{
return result;
}
result.Item = new Series();
result.HasMetadata = true;
FetchSeriesData(result, itemId.MetadataLanguage, itemId.ProviderIds, cancellationToken);
}
return result;
}
/// <summary>
/// Fetches the series data.
/// </summary>
/// <param name="result">The result.</param>
/// <param name="metadataLanguage">The metadata language.</param>
/// <param name="seriesProviderIds">The series provider ids.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{System.Boolean}.</returns>
private void FetchSeriesData(MetadataResult<Series> result, string metadataLanguage, Dictionary<string, string> seriesProviderIds, CancellationToken cancellationToken)
{
var series = result.Item;
if (seriesProviderIds.TryGetValue(MetadataProviders.Tvdb.ToString(), out string id) && !string.IsNullOrEmpty(id))
{
series.SetProviderId(MetadataProviders.Tvdb, id);
}
if (seriesProviderIds.TryGetValue(MetadataProviders.Imdb.ToString(), out id) && !string.IsNullOrEmpty(id))
{
series.SetProviderId(MetadataProviders.Imdb, id);
}
if (seriesProviderIds.TryGetValue(MetadataProviders.Zap2It.ToString(), out id) && !string.IsNullOrEmpty(id))
{
series.SetProviderId(MetadataProviders.Zap2It, id);
}
var seriesDataPath = GetSeriesDataPath(_config.ApplicationPaths, seriesProviderIds);
var seriesXmlPath = GetSeriesXmlPath(seriesProviderIds, metadataLanguage);
var actorsXmlPath = Path.Combine(seriesDataPath, "actors.xml");
FetchSeriesInfo(result, seriesXmlPath, cancellationToken);
cancellationToken.ThrowIfCancellationRequested();
result.ResetPeople();
FetchActors(result, actorsXmlPath);
}
/// <summary>
/// Downloads the series zip.
/// </summary>
internal async Task DownloadSeriesZip(string seriesId, string idType, string seriesName, int? seriesYear, string seriesDataPath, long? lastTvDbUpdateTime, string preferredMetadataLanguage, CancellationToken cancellationToken)
{
try
{
await DownloadSeriesZip(seriesId, idType, seriesName, seriesYear, seriesDataPath, lastTvDbUpdateTime, preferredMetadataLanguage, preferredMetadataLanguage, cancellationToken).ConfigureAwait(false);
return;
}
catch (HttpException ex)
{
if (!ex.StatusCode.HasValue || ex.StatusCode.Value != HttpStatusCode.NotFound)
{
throw;
}
}
if (!string.Equals(preferredMetadataLanguage, "en", StringComparison.OrdinalIgnoreCase))
{
await DownloadSeriesZip(seriesId, idType, seriesName, seriesYear, seriesDataPath, lastTvDbUpdateTime, "en", preferredMetadataLanguage, cancellationToken).ConfigureAwait(false);
}
}
private async Task DownloadSeriesZip(string seriesId, string idType, string seriesName, int? seriesYear, string seriesDataPath, long? lastTvDbUpdateTime, string preferredMetadataLanguage, string saveAsMetadataLanguage, CancellationToken cancellationToken)
{
if (string.IsNullOrWhiteSpace(seriesId))
{
throw new ArgumentNullException(nameof(seriesId));
}
if (!string.Equals(idType, "tvdb", StringComparison.OrdinalIgnoreCase))
{
seriesId = await GetSeriesByRemoteId(seriesId, idType, preferredMetadataLanguage, cancellationToken).ConfigureAwait(false);
}
// If searching by remote id came up empty, then do a regular search
if (string.IsNullOrWhiteSpace(seriesId) && !string.IsNullOrWhiteSpace(seriesName))
{
var searchInfo = new SeriesInfo
{
Name = seriesName,
Year = seriesYear,
MetadataLanguage = preferredMetadataLanguage
};
var results = await GetSearchResults(searchInfo, cancellationToken).ConfigureAwait(false);
var result = results.FirstOrDefault();
if (result != null)
{
seriesId = result.GetProviderId(MetadataProviders.Tvdb);
}
}
if (string.IsNullOrWhiteSpace(seriesId))
{
throw new ArgumentNullException(nameof(seriesId));
}
var url = string.Format(SeriesGetZip, TVUtils.TvdbApiKey, seriesId, NormalizeLanguage(preferredMetadataLanguage));
using (var response = await _httpClient.SendAsync(new HttpRequestOptions
{
Url = url,
CancellationToken = cancellationToken,
BufferContent = false
}, "GET").ConfigureAwait(false))
{
using (var zipStream = response.Content)
{
// Delete existing files
DeleteXmlFiles(seriesDataPath);
// Copy to memory stream because we need a seekable stream
using (var ms = new MemoryStream())
{
await zipStream.CopyToAsync(ms).ConfigureAwait(false);
ms.Position = 0;
_zipClient.ExtractAllFromZip(ms, seriesDataPath, true);
}
}
}
// Sanitize all files, except for extracted episode files
foreach (var file in _fileSystem.GetFilePaths(seriesDataPath, true).ToList()
.Where(i => string.Equals(Path.GetExtension(i), ".xml", StringComparison.OrdinalIgnoreCase))
.Where(i => !Path.GetFileName(i).StartsWith("episode-", StringComparison.OrdinalIgnoreCase)))
{
await SanitizeXmlFile(file).ConfigureAwait(false);
}
var downloadLangaugeXmlFile = Path.Combine(seriesDataPath, NormalizeLanguage(preferredMetadataLanguage) + ".xml");
var saveAsLanguageXmlFile = Path.Combine(seriesDataPath, saveAsMetadataLanguage + ".xml");
if (!string.Equals(downloadLangaugeXmlFile, saveAsLanguageXmlFile, StringComparison.OrdinalIgnoreCase))
{
File.Copy(downloadLangaugeXmlFile, saveAsLanguageXmlFile, true);
}
await ExtractEpisodes(seriesDataPath, downloadLangaugeXmlFile, lastTvDbUpdateTime).ConfigureAwait(false);
}
private async Task<string> GetSeriesByRemoteId(string id, string idType, string language, CancellationToken cancellationToken)
{
string url;
if (string.Equals(idType, MetadataProviders.Zap2It.ToString(), StringComparison.OrdinalIgnoreCase))
{
url = string.Format(GetSeriesByZap2ItId, id, NormalizeLanguage(language));
}
else
{
url = string.Format(GetSeriesByImdbId, id, NormalizeLanguage(language));
}
using (var response = await _httpClient.SendAsync(new HttpRequestOptions
{
Url = url,
CancellationToken = cancellationToken,
BufferContent = false
}, "GET").ConfigureAwait(false))
{
using (var result = response.Content)
{
return FindSeriesId(result);
}
}
}
private string FindSeriesId(Stream stream)
{
using (var streamReader = new StreamReader(stream, Encoding.UTF8))
{
var settings = _xmlSettings.Create(false);
settings.CheckCharacters = false;
settings.IgnoreProcessingInstructions = true;
settings.IgnoreComments = true;
// Use XmlReader for best performance
using (var reader = XmlReader.Create(streamReader, settings))
{
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Series":
{
if (reader.IsEmptyElement)
{
reader.Read();
continue;
}
using (var subtree = reader.ReadSubtree())
{
return FindSeriesId(subtree);
}
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
}
}
return null;
}
private string FindSeriesId(XmlReader reader)
{
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "seriesid":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
return val;
}
return null;
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
return null;
}
internal static bool IsValidSeries(Dictionary<string, string> seriesProviderIds)
{
if (seriesProviderIds.TryGetValue(MetadataProviders.Tvdb.ToString(), out string 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;
}
}
if (seriesProviderIds.TryGetValue(MetadataProviders.Imdb.ToString(), out 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;
}
}
if (seriesProviderIds.TryGetValue(MetadataProviders.Zap2It.ToString(), out 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 SemaphoreSlim _ensureSemaphore = new SemaphoreSlim(1, 1);
internal async Task<string> EnsureSeriesInfo(Dictionary<string, string> seriesProviderIds, string seriesName, int? seriesYear, string preferredMetadataLanguage, CancellationToken cancellationToken)
{
await _ensureSemaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
try
{
if (seriesProviderIds.TryGetValue(MetadataProviders.Tvdb.ToString(), out string seriesId) && !string.IsNullOrWhiteSpace(seriesId))
{
var seriesDataPath = GetSeriesDataPath(_config.ApplicationPaths, seriesProviderIds);
// Only download if not already there
// The post-scan task will take care of updates so we don't need to re-download here
if (!IsCacheValid(seriesDataPath, preferredMetadataLanguage))
{
await DownloadSeriesZip(seriesId, MetadataProviders.Tvdb.ToString(), seriesName, seriesYear, seriesDataPath, null, preferredMetadataLanguage, cancellationToken).ConfigureAwait(false);
}
return seriesDataPath;
}
if (seriesProviderIds.TryGetValue(MetadataProviders.Imdb.ToString(), out seriesId) && !string.IsNullOrWhiteSpace(seriesId))
{
var seriesDataPath = GetSeriesDataPath(_config.ApplicationPaths, seriesProviderIds);
// Only download if not already there
// The post-scan task will take care of updates so we don't need to re-download here
if (!IsCacheValid(seriesDataPath, preferredMetadataLanguage))
{
try
{
await DownloadSeriesZip(seriesId, MetadataProviders.Imdb.ToString(), seriesName, seriesYear, seriesDataPath, null, preferredMetadataLanguage, cancellationToken).ConfigureAwait(false);
}
catch (ArgumentNullException)
{
// Unable to determine tvdb id based on imdb id
return null;
}
}
return seriesDataPath;
}
if (seriesProviderIds.TryGetValue(MetadataProviders.Zap2It.ToString(), out seriesId) && !string.IsNullOrWhiteSpace(seriesId))
{
var seriesDataPath = GetSeriesDataPath(_config.ApplicationPaths, seriesProviderIds);
// Only download if not already there
// The post-scan task will take care of updates so we don't need to re-download here
if (!IsCacheValid(seriesDataPath, preferredMetadataLanguage))
{
try
{
await DownloadSeriesZip(seriesId, MetadataProviders.Zap2It.ToString(), seriesName, seriesYear, seriesDataPath, null, preferredMetadataLanguage, cancellationToken).ConfigureAwait(false);
}
catch (ArgumentNullException)
{
// Unable to determine tvdb id based on Zap2It id
return null;
}
}
return seriesDataPath;
}
return null;
}
finally
{
_ensureSemaphore.Release();
}
}
private bool IsCacheValid(string seriesDataPath, string preferredMetadataLanguage)
{
try
{
var files = _fileSystem.GetFiles(seriesDataPath, new[] { ".xml" }, true, false)
.ToList();
var seriesXmlFilename = preferredMetadataLanguage + ".xml";
const int cacheHours = 12;
var seriesFile = files.FirstOrDefault(i => string.Equals(seriesXmlFilename, i.Name, StringComparison.OrdinalIgnoreCase));
// No need to check age if automatic updates are enabled
if (seriesFile == null || !seriesFile.Exists || (DateTime.UtcNow - _fileSystem.GetLastWriteTimeUtc(seriesFile)).TotalHours > cacheHours)
{
return false;
}
var actorsXml = files.FirstOrDefault(i => string.Equals("actors.xml", i.Name, StringComparison.OrdinalIgnoreCase));
// No need to check age if automatic updates are enabled
if (actorsXml == null || !actorsXml.Exists || (DateTime.UtcNow - _fileSystem.GetLastWriteTimeUtc(actorsXml)).TotalHours > cacheHours)
{
return false;
}
var bannersXml = files.FirstOrDefault(i => string.Equals("banners.xml", i.Name, StringComparison.OrdinalIgnoreCase));
// No need to check age if automatic updates are enabled
if (bannersXml == null || !bannersXml.Exists || (DateTime.UtcNow - _fileSystem.GetLastWriteTimeUtc(bannersXml)).TotalHours > cacheHours)
{
return false;
}
return true;
}
catch (FileNotFoundException)
{
return false;
}
catch (IOException)
{
return false;
}
}
/// <summary>
/// Finds the series.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="year">The year.</param>
/// <param name="language">The language.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{System.String}.</returns>
private async Task<IEnumerable<RemoteSearchResult>> FindSeries(string name, int? year, string language, CancellationToken cancellationToken)
{
var results = (await FindSeriesInternal(name, language, cancellationToken).ConfigureAwait(false));
if (results.Count == 0)
{
var parsedName = _libraryManager.ParseName(name);
var nameWithoutYear = parsedName.Name;
if (!string.IsNullOrWhiteSpace(nameWithoutYear) && !string.Equals(nameWithoutYear, name, StringComparison.OrdinalIgnoreCase))
{
results = (await FindSeriesInternal(nameWithoutYear, language, cancellationToken).ConfigureAwait(false));
}
}
return results.Where(i =>
{
if (year.HasValue && i.ProductionYear.HasValue)
{
// Allow one year tolerance
return Math.Abs(year.Value - i.ProductionYear.Value) <= 1;
}
return true;
});
}
private async Task<List<RemoteSearchResult>> FindSeriesInternal(string name, string language, CancellationToken cancellationToken)
{
var url = string.Format(SeriesSearchUrl, WebUtility.UrlEncode(name), NormalizeLanguage(language));
var comparableName = GetComparableName(name);
var list = new List<Tuple<List<string>, RemoteSearchResult>>();
using (var response = await _httpClient.SendAsync(new HttpRequestOptions
{
Url = url,
CancellationToken = cancellationToken,
BufferContent = false
}, "GET").ConfigureAwait(false))
{
using (var stream = response.Content)
{
var settings = _xmlSettings.Create(false);
settings.CheckCharacters = false;
settings.IgnoreProcessingInstructions = true;
settings.IgnoreComments = true;
using (var streamReader = new StreamReader(stream, Encoding.UTF8))
{
// Use XmlReader for best performance
using (var reader = XmlReader.Create(streamReader, settings))
{
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
cancellationToken.ThrowIfCancellationRequested();
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Series":
{
if (reader.IsEmptyElement)
{
reader.Read();
continue;
}
using (var subtree = reader.ReadSubtree())
{
var searchResultInfo = GetSeriesSearchResultFromSubTree(subtree);
if (searchResultInfo != null)
{
searchResultInfo.Item2.SearchProviderName = Name;
list.Add(searchResultInfo);
}
}
break;
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
}
}
}
}
return list
.OrderBy(i => i.Item1.Contains(comparableName, StringComparer.OrdinalIgnoreCase) ? 0 : 1)
.ThenBy(i => list.IndexOf(i))
.Select(i => i.Item2)
.ToList();
}
private Tuple<List<string>, RemoteSearchResult> GetSeriesSearchResultFromSubTree(XmlReader reader)
{
var searchResult = new RemoteSearchResult
{
SearchProviderName = Name
};
var tvdbTitles = new List<string>();
string seriesId = null;
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "SeriesName":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
tvdbTitles.Add(GetComparableName(val));
}
break;
}
case "AliasNames":
{
var val = reader.ReadElementContentAsString();
var alias = (val ?? string.Empty).Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries).Select(GetComparableName);
tvdbTitles.AddRange(alias);
break;
}
case "IMDB_ID":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
searchResult.SetProviderId(MetadataProviders.Imdb, val);
}
break;
}
case "banner":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
searchResult.ImageUrl = TVUtils.BannerUrl + val;
}
break;
}
case "FirstAired":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (DateTime.TryParse(val, out var date))
{
searchResult.ProductionYear = date.Year;
}
}
break;
}
case "id":
case "seriesid":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
seriesId = val;
}
break;
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
if (tvdbTitles.Count == 0)
{
return null;
}
searchResult.Name = tvdbTitles.FirstOrDefault();
searchResult.SetProviderId(MetadataProviders.Tvdb, seriesId);
return new Tuple<List<string>, RemoteSearchResult>(tvdbTitles, searchResult);
}
/// <summary>
/// The remove
/// </summary>
const string remove = "\"'!`?";
/// <summary>
/// The spacers
/// </summary>
const string spacers = "/,.:;\\(){}[]+-_=*"; // (there are not actually two - in the they are different char codes)
/// <summary>
/// Gets the name of the comparable.
/// </summary>
/// <param name="name">The name.</param>
/// <returns>System.String.</returns>
private string GetComparableName(string name)
{
name = name.ToLowerInvariant();
name = _localizationManager.NormalizeFormKD(name);
var sb = new StringBuilder();
foreach (var c in name)
{
if ((int)c >= 0x2B0 && (int)c <= 0x0333)
{
// skip char modifier and diacritics
}
else if (remove.IndexOf(c) > -1)
{
// skip chars we are removing
}
else if (spacers.IndexOf(c) > -1)
{
sb.Append(" ");
}
else if (c == '&')
{
sb.Append(" and ");
}
else
{
sb.Append(c);
}
}
name = sb.ToString();
name = name.Replace(", the", "");
name = name.Replace("the ", " ");
name = name.Replace(" the ", " ");
string prevName;
do
{
prevName = name;
name = name.Replace(" ", " ");
} while (name.Length != prevName.Length);
return name.Trim();
}
private void FetchSeriesInfo(MetadataResult<Series> result, string seriesXmlPath, CancellationToken cancellationToken)
{
var settings = _xmlSettings.Create(false);
settings.CheckCharacters = false;
settings.IgnoreProcessingInstructions = true;
settings.IgnoreComments = true;
var episiodeAirDates = new List<DateTime>();
using (var fileStream = _fileSystem.GetFileStream(seriesXmlPath, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.Read))
{
using (var streamReader = new StreamReader(fileStream, Encoding.UTF8))
{
// Use XmlReader for best performance
using (var reader = XmlReader.Create(streamReader, settings))
{
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
cancellationToken.ThrowIfCancellationRequested();
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Series":
{
if (reader.IsEmptyElement)
{
reader.Read();
continue;
}
using (var subtree = reader.ReadSubtree())
{
FetchDataFromSeriesNode(result, subtree, cancellationToken);
}
break;
}
case "Episode":
{
if (reader.IsEmptyElement)
{
reader.Read();
continue;
}
using (var subtree = reader.ReadSubtree())
{
var date = GetFirstAiredDateFromEpisodeNode(subtree, cancellationToken);
if (date.HasValue)
{
episiodeAirDates.Add(date.Value);
}
}
break;
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
}
}
}
if (result.Item.Status.HasValue && result.Item.Status.Value == SeriesStatus.Ended && episiodeAirDates.Count > 0)
{
result.Item.EndDate = episiodeAirDates.Max();
}
}
private DateTime? GetFirstAiredDateFromEpisodeNode(XmlReader reader, CancellationToken cancellationToken)
{
DateTime? airDate = null;
int? seasonNumber = null;
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
cancellationToken.ThrowIfCancellationRequested();
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "FirstAired":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (DateTime.TryParse(val, out var date))
{
airDate = date.ToUniversalTime();
}
}
break;
}
case "SeasonNumber":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
// int.TryParse is local aware, so it can be probamatic, force us culture
if (int.TryParse(val, NumberStyles.Integer, _usCulture, out var rval))
{
seasonNumber = rval;
}
}
break;
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
if (seasonNumber.HasValue && seasonNumber.Value != 0)
{
return airDate;
}
return null;
}
/// <summary>
/// Fetches the actors.
/// </summary>
/// <param name="result">The result.</param>
/// <param name="actorsXmlPath">The actors XML path.</param>
private void FetchActors(MetadataResult<Series> result, string actorsXmlPath)
{
var settings = _xmlSettings.Create(false);
settings.CheckCharacters = false;
settings.IgnoreProcessingInstructions = true;
settings.IgnoreComments = true;
using (var fileStream = _fileSystem.GetFileStream(actorsXmlPath, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.Read))
{
using (var streamReader = new StreamReader(fileStream, Encoding.UTF8))
{
// Use XmlReader for best performance
using (var reader = XmlReader.Create(streamReader, settings))
{
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Actor":
{
if (reader.IsEmptyElement)
{
reader.Read();
continue;
}
using (var subtree = reader.ReadSubtree())
{
FetchDataFromActorNode(result, subtree);
}
break;
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
}
}
}
}
/// <summary>
/// Fetches the data from actor node.
/// </summary>
/// <param name="result">The result.</param>
/// <param name="reader">The reader.</param>
private void FetchDataFromActorNode(MetadataResult<Series> result, XmlReader reader)
{
reader.MoveToContent();
var personInfo = new PersonInfo();
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Name":
{
personInfo.Name = (reader.ReadElementContentAsString() ?? string.Empty).Trim();
break;
}
case "Role":
{
personInfo.Role = (reader.ReadElementContentAsString() ?? string.Empty).Trim();
break;
}
case "id":
{
reader.Skip();
break;
}
case "Image":
{
var url = (reader.ReadElementContentAsString() ?? string.Empty).Trim();
if (!string.IsNullOrWhiteSpace(url))
{
personInfo.ImageUrl = TVUtils.BannerUrl + url;
}
break;
}
case "SortOrder":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
// int.TryParse is local aware, so it can be probamatic, force us culture
if (int.TryParse(val, NumberStyles.Integer, _usCulture, out var rval))
{
personInfo.SortOrder = rval;
}
}
break;
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
personInfo.Type = PersonType.Actor;
if (!string.IsNullOrWhiteSpace(personInfo.Name))
{
result.AddPerson(personInfo);
}
}
private void FetchDataFromSeriesNode(MetadataResult<Series> result, XmlReader reader, CancellationToken cancellationToken)
{
Series item = result.Item;
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
cancellationToken.ThrowIfCancellationRequested();
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "id":
{
item.SetProviderId(MetadataProviders.Tvdb.ToString(), (reader.ReadElementContentAsString() ?? string.Empty).Trim());
break;
}
case "SeriesName":
{
item.Name = (reader.ReadElementContentAsString() ?? string.Empty).Trim();
break;
}
case "Overview":
{
item.Overview = (reader.ReadElementContentAsString() ?? string.Empty).Trim();
break;
}
case "Language":
{
result.ResultLanguage = (reader.ReadElementContentAsString() ?? string.Empty).Trim();
break;
}
case "Airs_DayOfWeek":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.AirDays = TVUtils.GetAirDays(val);
}
break;
}
case "Airs_Time":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.AirTime = val;
}
break;
}
case "ContentRating":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.OfficialRating = val;
}
break;
}
case "Rating":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
// float.TryParse is local aware, so it can be probamatic, force us culture
if (float.TryParse(val, NumberStyles.AllowDecimalPoint, _usCulture, out var rval))
{
item.CommunityRating = rval;
}
}
break;
}
case "RatingCount":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
// int.TryParse is local aware, so it can be probamatic, force us culture
if (int.TryParse(val, NumberStyles.Integer, _usCulture, out var rval))
{
//item.VoteCount = rval;
}
}
break;
}
case "IMDB_ID":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.SetProviderId(MetadataProviders.Imdb, val);
}
break;
}
case "zap2it_id":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.SetProviderId(MetadataProviders.Zap2It, val);
}
break;
}
case "Status":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (Enum.TryParse(val, true, out SeriesStatus seriesStatus))
item.Status = seriesStatus;
}
break;
}
case "FirstAired":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (DateTime.TryParse(val, out var date))
{
date = date.ToUniversalTime();
item.PremiereDate = date;
item.ProductionYear = date.Year;
}
}
break;
}
case "Runtime":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
// int.TryParse is local aware, so it can be probamatic, force us culture
if (int.TryParse(val, NumberStyles.Integer, _usCulture, out var rval))
{
item.RunTimeTicks = TimeSpan.FromMinutes(rval).Ticks;
}
}
break;
}
case "Genre":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
var vals = val
.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries)
.Select(i => i.Trim())
.Where(i => !string.IsNullOrWhiteSpace(i))
.ToList();
if (vals.Count > 0)
{
item.Genres = Array.Empty<string>();
foreach (var genre in vals)
{
item.AddGenre(genre);
}
}
}
break;
}
case "Network":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
var vals = val
.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries)
.Select(i => i.Trim())
.Where(i => !string.IsNullOrWhiteSpace(i))
.ToList();
if (vals.Count > 0)
{
item.SetStudios(vals);
}
}
break;
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
}
/// <summary>
/// Extracts info for each episode into invididual xml files so that they can be easily accessed without having to step through the entire series xml
/// </summary>
/// <param name="seriesDataPath">The series data path.</param>
/// <param name="xmlFile">The XML file.</param>
/// <param name="lastTvDbUpdateTime">The last tv db update time.</param>
/// <returns>Task.</returns>
private async Task ExtractEpisodes(string seriesDataPath, string xmlFile, long? lastTvDbUpdateTime)
{
var settings = _xmlSettings.Create(false);
settings.CheckCharacters = false;
settings.IgnoreProcessingInstructions = true;
settings.IgnoreComments = true;
using (var fileStream = _fileSystem.GetFileStream(xmlFile, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.Read))
{
using (var streamReader = new StreamReader(fileStream, Encoding.UTF8))
{
// Use XmlReader for best performance
using (var reader = XmlReader.Create(streamReader, settings))
{
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Episode":
{
var outerXml = reader.ReadOuterXml();
await SaveEpsiodeXml(seriesDataPath, outerXml, lastTvDbUpdateTime).ConfigureAwait(false);
break;
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
}
}
}
}
private async Task SaveEpsiodeXml(string seriesDataPath, string xml, long? lastTvDbUpdateTime)
{
var settings = _xmlSettings.Create(false);
settings.CheckCharacters = false;
settings.IgnoreProcessingInstructions = true;
settings.IgnoreComments = true;
var seasonNumber = -1;
var episodeNumber = -1;
var absoluteNumber = -1;
var lastUpdateString = string.Empty;
var dvdSeasonNumber = -1;
var dvdEpisodeNumber = -1.0;
using (var streamReader = new StringReader(xml))
{
// Use XmlReader for best performance
using (var reader = XmlReader.Create(streamReader, settings))
{
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "lastupdated":
{
lastUpdateString = reader.ReadElementContentAsString();
break;
}
case "EpisodeNumber":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (int.TryParse(val, NumberStyles.Integer, _usCulture, out var num))
{
episodeNumber = num;
}
}
break;
}
case "Combined_episodenumber":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (float.TryParse(val, NumberStyles.Any, _usCulture, out var num))
{
dvdEpisodeNumber = num;
}
}
break;
}
case "Combined_season":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (float.TryParse(val, NumberStyles.Any, _usCulture, out var num))
{
dvdSeasonNumber = Convert.ToInt32(num);
}
}
break;
}
case "absolute_number":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (int.TryParse(val, NumberStyles.Integer, _usCulture, out var num))
{
absoluteNumber = num;
}
}
break;
}
case "SeasonNumber":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (int.TryParse(val, NumberStyles.Integer, _usCulture, out var num))
{
seasonNumber = num;
}
}
break;
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
}
}
var hasEpisodeChanged = true;
if (!string.IsNullOrWhiteSpace(lastUpdateString) && lastTvDbUpdateTime.HasValue)
{
if (long.TryParse(lastUpdateString, NumberStyles.Any, _usCulture, out var num))
{
hasEpisodeChanged = num >= lastTvDbUpdateTime.Value;
}
}
var file = Path.Combine(seriesDataPath, string.Format("episode-{0}-{1}.xml", seasonNumber, episodeNumber));
// Only save the file if not already there, or if the episode has changed
if (hasEpisodeChanged || !File.Exists(file))
{
using (var fileStream = _fileSystem.GetFileStream(file, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.None, true))
{
using (var writer = XmlWriter.Create(fileStream, new XmlWriterSettings
{
Encoding = Encoding.UTF8,
Async = true
}))
{
await writer.WriteRawAsync(xml).ConfigureAwait(false);
}
}
}
if (absoluteNumber != -1)
{
file = Path.Combine(seriesDataPath, string.Format("episode-abs-{0}.xml", absoluteNumber));
// Only save the file if not already there, or if the episode has changed
if (hasEpisodeChanged || !File.Exists(file))
{
using (var fileStream = _fileSystem.GetFileStream(file, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.None, true))
{
using (var writer = XmlWriter.Create(fileStream, new XmlWriterSettings
{
Encoding = Encoding.UTF8,
Async = true
}))
{
await writer.WriteRawAsync(xml).ConfigureAwait(false);
}
}
}
}
if (dvdSeasonNumber != -1 && dvdEpisodeNumber != -1 && (dvdSeasonNumber != seasonNumber || dvdEpisodeNumber != episodeNumber))
{
file = Path.Combine(seriesDataPath, string.Format("episode-dvd-{0}-{1}.xml", dvdSeasonNumber, dvdEpisodeNumber));
// Only save the file if not already there, or if the episode has changed
if (hasEpisodeChanged || !File.Exists(file))
{
using (var fileStream = _fileSystem.GetFileStream(file, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.None, true))
{
using (var writer = XmlWriter.Create(fileStream, new XmlWriterSettings
{
Encoding = Encoding.UTF8,
Async = true
}))
{
await writer.WriteRawAsync(xml).ConfigureAwait(false);
}
}
}
}
}
/// <summary>
/// Gets the series data path.
/// </summary>
/// <param name="appPaths">The app paths.</param>
/// <param name="seriesProviderIds">The series provider ids.</param>
/// <returns>System.String.</returns>
internal static string GetSeriesDataPath(IApplicationPaths appPaths, Dictionary<string, string> seriesProviderIds)
{
if (seriesProviderIds.TryGetValue(MetadataProviders.Tvdb.ToString(), out string seriesId) && !string.IsNullOrEmpty(seriesId))
{
var seriesDataPath = Path.Combine(GetSeriesDataPath(appPaths), seriesId);
return seriesDataPath;
}
if (seriesProviderIds.TryGetValue(MetadataProviders.Imdb.ToString(), out seriesId) && !string.IsNullOrEmpty(seriesId))
{
var seriesDataPath = Path.Combine(GetSeriesDataPath(appPaths), seriesId);
return seriesDataPath;
}
if (seriesProviderIds.TryGetValue(MetadataProviders.Zap2It.ToString(), out seriesId) && !string.IsNullOrEmpty(seriesId))
{
var seriesDataPath = Path.Combine(GetSeriesDataPath(appPaths), seriesId);
return seriesDataPath;
}
return null;
}
public string GetSeriesXmlPath(Dictionary<string, string> seriesProviderIds, string language)
{
var seriesDataPath = GetSeriesDataPath(_config.ApplicationPaths, seriesProviderIds);
var seriesXmlFilename = language.ToLowerInvariant() + ".xml";
return Path.Combine(seriesDataPath, seriesXmlFilename);
}
/// <summary>
/// Gets the series data path.
/// </summary>
/// <param name="appPaths">The app paths.</param>
/// <returns>System.String.</returns>
internal static string GetSeriesDataPath(IApplicationPaths appPaths)
{
var dataPath = Path.Combine(appPaths.CachePath, "tvdb");
return dataPath;
}
private void DeleteXmlFiles(string path)
{
try
{
foreach (var file in _fileSystem.GetFilePaths(path, true)
.ToList())
{
_fileSystem.DeleteFile(file);
}
}
catch (IOException)
{
// No biggie
}
}
/// <summary>
/// Sanitizes the XML file.
/// </summary>
/// <param name="file">The file.</param>
/// <returns>Task.</returns>
private async Task SanitizeXmlFile(string file)
{
string validXml;
using (var fileStream = _fileSystem.GetFileStream(file, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.Read, true))
{
using (var reader = new StreamReader(fileStream))
{
var xml = await reader.ReadToEndAsync().ConfigureAwait(false);
validXml = StripInvalidXmlCharacters(xml);
}
}
using (var fileStream = _fileSystem.GetFileStream(file, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, true))
{
using (var writer = new StreamWriter(fileStream))
{
await writer.WriteAsync(validXml).ConfigureAwait(false);
}
}
}
/// <summary>
/// Strips the invalid XML characters.
/// </summary>
/// <param name="inString">The in string.</param>
/// <returns>System.String.</returns>
public static string StripInvalidXmlCharacters(string inString)
{
if (inString == null) return null;
var sbOutput = new StringBuilder();
char ch;
for (int i = 0; i < inString.Length; i++)
{
ch = inString[i];
if ((ch >= 0x0020 && ch <= 0xD7FF) ||
(ch >= 0xE000 && ch <= 0xFFFD) ||
ch == 0x0009 ||
ch == 0x000A ||
ch == 0x000D)
{
sbOutput.Append(ch);
}
}
return sbOutput.ToString();
}
public string Name => "TheTVDB";
public async Task Identify(SeriesInfo info)
{
if (!string.IsNullOrWhiteSpace(info.GetProviderId(MetadataProviders.Tvdb)))
{
return;
}
var srch = await FindSeries(info.Name, info.Year, info.MetadataLanguage, CancellationToken.None).ConfigureAwait(false);
var entry = srch.FirstOrDefault();
if (entry != null)
{
var id = entry.GetProviderId(MetadataProviders.Tvdb);
info.SetProviderId(MetadataProviders.Tvdb, id);
}
}
public int Order => 0;
public Task<HttpResponseInfo> GetImageResponse(string url, CancellationToken cancellationToken)
{
return _httpClient.GetResponse(new HttpRequestOptions
{
CancellationToken = cancellationToken,
Url = url,
BufferContent = false
});
}
}
}