jellyfin/MediaBrowser.XbmcMetadata/Parsers/BaseNfoParser.cs
2019-01-18 16:48:01 +01:00

954 lines
35 KiB
C#

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.Xml;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Extensions;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Xml;
using MediaBrowser.XbmcMetadata.Configuration;
using MediaBrowser.XbmcMetadata.Savers;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.XbmcMetadata.Parsers
{
public class BaseNfoParser<T>
where T : BaseItem
{
/// <summary>
/// The logger
/// </summary>
protected ILogger Logger { get; private set; }
protected IFileSystem FileSystem { get; private set; }
protected IProviderManager ProviderManager { get; private set; }
protected IXmlReaderSettingsFactory XmlReaderSettingsFactory { get; private set; }
private readonly CultureInfo _usCulture = new CultureInfo("en-US");
private readonly IConfigurationManager _config;
private Dictionary<string, string> _validProviderIds;
/// <summary>
/// Initializes a new instance of the <see cref="BaseNfoParser{T}" /> class.
/// </summary>
public BaseNfoParser(ILogger logger, IConfigurationManager config, IProviderManager providerManager, IFileSystem fileSystem, IXmlReaderSettingsFactory xmlReaderSettingsFactory)
{
Logger = logger;
_config = config;
ProviderManager = providerManager;
FileSystem = fileSystem;
XmlReaderSettingsFactory = xmlReaderSettingsFactory;
}
/// <summary>
/// Fetches metadata for an item from one xml file
/// </summary>
/// <param name="item">The item.</param>
/// <param name="metadataFile">The metadata file.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="ArgumentNullException">
/// </exception>
public void Fetch(MetadataResult<T> item, string metadataFile, CancellationToken cancellationToken)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (string.IsNullOrEmpty(metadataFile))
{
throw new ArgumentException("The metadata file was empty or null.", nameof(metadataFile));
}
var settings = XmlReaderSettingsFactory.Create(false);
settings.CheckCharacters = false;
settings.IgnoreProcessingInstructions = true;
settings.IgnoreComments = true;
_validProviderIds = _validProviderIds = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
var idInfos = ProviderManager.GetExternalIdInfos(item.Item);
foreach (var info in idInfos)
{
var id = info.Key + "Id";
if (!_validProviderIds.ContainsKey(id))
{
_validProviderIds.Add(id, info.Key);
}
}
//Additional Mappings
_validProviderIds.Add("collectionnumber", "TmdbCollection");
_validProviderIds.Add("tmdbcolid", "TmdbCollection");
_validProviderIds.Add("imdb_id", "Imdb");
Fetch(item, metadataFile, settings, cancellationToken);
}
protected virtual bool SupportsUrlAfterClosingXmlTag => false;
/// <summary>
/// Fetches the specified item.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="metadataFile">The metadata file.</param>
/// <param name="settings">The settings.</param>
/// <param name="cancellationToken">The cancellation token.</param>
protected virtual void Fetch(MetadataResult<T> item, string metadataFile, XmlReaderSettings settings, CancellationToken cancellationToken)
{
if (!SupportsUrlAfterClosingXmlTag)
{
using (var fileStream = FileSystem.OpenRead(metadataFile))
{
using (var streamReader = new StreamReader(fileStream, Encoding.UTF8))
{
// Use XmlReader for best performance
using (var reader = XmlReader.Create(streamReader, settings))
{
item.ResetPeople();
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
cancellationToken.ThrowIfCancellationRequested();
if (reader.NodeType == XmlNodeType.Element)
{
FetchDataFromXmlNode(reader, item);
}
else
{
reader.Read();
}
}
}
}
}
return;
}
using (var fileStream = FileSystem.OpenRead(metadataFile))
{
using (var streamReader = new StreamReader(fileStream, Encoding.UTF8))
{
item.ResetPeople();
// Need to handle a url after the xml data
// http://kodi.wiki/view/NFO_files/movies
var xml = streamReader.ReadToEnd();
// Find last closing Tag
// Need to do this in two steps to account for random > characters after the closing xml
var index = xml.LastIndexOf(@"</", StringComparison.Ordinal);
// If closing tag exists, move to end of Tag
if (index != -1)
{
index = xml.IndexOf('>', index);
}
if (index != -1)
{
var endingXml = xml.Substring(index);
ParseProviderLinks(item.Item, endingXml);
// If the file is just an imdb url, don't go any further
if (index == 0)
{
return;
}
xml = xml.Substring(0, index + 1);
}
else
{
// If the file is just an Imdb url, handle that
ParseProviderLinks(item.Item, xml);
return;
}
// These are not going to be valid xml so no sense in causing the provider to fail and spamming the log with exceptions
try
{
using (var stringReader = new StringReader(xml))
{
// Use XmlReader for best performance
using (var reader = XmlReader.Create(stringReader, settings))
{
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
cancellationToken.ThrowIfCancellationRequested();
if (reader.NodeType == XmlNodeType.Element)
{
FetchDataFromXmlNode(reader, item);
}
else
{
reader.Read();
}
}
}
}
}
catch (XmlException)
{
}
}
}
}
protected virtual string MovieDbParserSearchString => "themoviedb.org/movie/";
protected void ParseProviderLinks(T item, string xml)
{
//Look for a match for the Regex pattern "tt" followed by 7 digits
var m = Regex.Match(xml, @"tt([0-9]{7})", RegexOptions.IgnoreCase);
if (m.Success)
{
item.SetProviderId(MetadataProviders.Imdb, m.Value);
}
// Support Tmdb
// https://www.themoviedb.org/movie/30287-fallo
var srch = MovieDbParserSearchString;
var index = xml.IndexOf(srch, StringComparison.OrdinalIgnoreCase);
if (index != -1)
{
var tmdbId = xml.Substring(index + srch.Length).TrimEnd('/').Split('-')[0];
if (!string.IsNullOrWhiteSpace(tmdbId) && int.TryParse(tmdbId, NumberStyles.Integer, CultureInfo.InvariantCulture, out var value))
{
item.SetProviderId(MetadataProviders.Tmdb, value.ToString(_usCulture));
}
}
if (item is Series)
{
srch = "thetvdb.com/?tab=series&id=";
index = xml.IndexOf(srch, StringComparison.OrdinalIgnoreCase);
if (index != -1)
{
var tvdbId = xml.Substring(index + srch.Length).TrimEnd('/');
if (!string.IsNullOrWhiteSpace(tvdbId) && int.TryParse(tvdbId, NumberStyles.Integer, CultureInfo.InvariantCulture, out var value))
{
item.SetProviderId(MetadataProviders.Tvdb, value.ToString(_usCulture));
}
}
}
}
protected virtual void FetchDataFromXmlNode(XmlReader reader, MetadataResult<T> itemResult)
{
var item = itemResult.Item;
switch (reader.Name)
{
// DateCreated
case "dateadded":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (DateTime.TryParseExact(val, BaseNfoSaver.DateAddedFormat, CultureInfo.InvariantCulture, DateTimeStyles.AssumeLocal, out var added))
{
item.DateCreated = added.ToUniversalTime();
}
else if (DateTime.TryParse(val, CultureInfo.InvariantCulture, DateTimeStyles.AssumeLocal, out added))
{
item.DateCreated = added.ToUniversalTime();
}
else
{
Logger.LogWarning("Invalid Added value found: " + val);
}
}
break;
}
case "originaltitle":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrEmpty(val))
{
item.OriginalTitle = val;
}
break;
}
case "title":
case "localtitle":
item.Name = reader.ReadElementContentAsString();
break;
case "criticrating":
{
var text = reader.ReadElementContentAsString();
if (!string.IsNullOrEmpty(text))
{
if (float.TryParse(text, NumberStyles.Any, _usCulture, out var value))
{
item.CriticRating = value;
}
}
break;
}
case "sorttitle":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.ForcedSortName = val;
}
break;
}
case "biography":
case "plot":
case "review":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.Overview = val;
}
break;
}
case "language":
{
var val = reader.ReadElementContentAsString();
item.PreferredMetadataLanguage = val;
break;
}
case "countrycode":
{
var val = reader.ReadElementContentAsString();
item.PreferredMetadataCountryCode = val;
break;
}
case "lockedfields":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.LockedFields = val.Split('|').Select(i =>
{
if (Enum.TryParse(i, true, out MetadataFields field))
{
return (MetadataFields?)field;
}
return null;
}).Where(i => i.HasValue).Select(i => i.Value).ToArray();
}
break;
}
case "tagline":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.Tagline = val;
}
break;
}
case "country":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.ProductionLocations = val.Split('/')
.Select(i => i.Trim())
.Where(i => !string.IsNullOrWhiteSpace(i))
.ToArray();
}
break;
}
case "mpaa":
{
var rating = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(rating))
{
item.OfficialRating = rating;
}
break;
}
case "customrating":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.CustomRating = val;
}
break;
}
case "runtime":
{
var text = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(text))
{
if (int.TryParse(text.Split(' ')[0], NumberStyles.Integer, _usCulture, out var runtime))
{
item.RunTimeTicks = TimeSpan.FromMinutes(runtime).Ticks;
}
}
break;
}
case "aspectratio":
{
var val = reader.ReadElementContentAsString();
var hasAspectRatio = item as IHasAspectRatio;
if (!string.IsNullOrWhiteSpace(val) && hasAspectRatio != null)
{
hasAspectRatio.AspectRatio = val;
}
break;
}
case "lockdata":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.IsLocked = string.Equals("true", val, StringComparison.OrdinalIgnoreCase);
}
break;
}
case "studio":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
//var parts = val.Split('/')
// .Select(i => i.Trim())
// .Where(i => !string.IsNullOrWhiteSpace(i));
//foreach (var p in parts)
//{
// item.AddStudio(p);
//}
item.AddStudio(val);
}
break;
}
case "director":
{
var val = reader.ReadElementContentAsString();
foreach (var p in SplitNames(val).Select(v => new PersonInfo { Name = v.Trim(), Type = PersonType.Director }))
{
if (string.IsNullOrWhiteSpace(p.Name))
{
continue;
}
itemResult.AddPerson(p);
}
break;
}
case "credits":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
var parts = val.Split('/').Select(i => i.Trim())
.Where(i => !string.IsNullOrEmpty(i));
foreach (var p in parts.Select(v => new PersonInfo { Name = v.Trim(), Type = PersonType.Writer }))
{
if (string.IsNullOrWhiteSpace(p.Name))
{
continue;
}
itemResult.AddPerson(p);
}
}
break;
}
case "writer":
{
var val = reader.ReadElementContentAsString();
foreach (var p in SplitNames(val).Select(v => new PersonInfo { Name = v.Trim(), Type = PersonType.Writer }))
{
if (string.IsNullOrWhiteSpace(p.Name))
{
continue;
}
itemResult.AddPerson(p);
}
break;
}
case "actor":
{
if (!reader.IsEmptyElement)
{
using (var subtree = reader.ReadSubtree())
{
var person = GetPersonFromXmlNode(subtree);
if (!string.IsNullOrWhiteSpace(person.Name))
{
itemResult.AddPerson(person);
}
}
}
else
{
reader.Read();
}
break;
}
case "trailer":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
val = val.Replace("plugin://plugin.video.youtube/?action=play_video&videoid=", BaseNfoSaver.YouTubeWatchUrl, StringComparison.OrdinalIgnoreCase);
item.AddTrailerUrl(val);
}
break;
}
case "displayorder":
{
var val = reader.ReadElementContentAsString();
var hasDisplayOrder = item as IHasDisplayOrder;
if (hasDisplayOrder != null)
{
if (!string.IsNullOrWhiteSpace(val))
{
hasDisplayOrder.DisplayOrder = val;
}
}
break;
}
case "year":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (int.TryParse(val, out var productionYear) && productionYear > 1850)
{
item.ProductionYear = productionYear;
}
}
break;
}
case "rating":
{
var rating = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(rating))
{
// All external meta is saving this as '.' for decimal I believe...but just to be sure
if (float.TryParse(rating.Replace(',', '.'), NumberStyles.AllowDecimalPoint, CultureInfo.InvariantCulture, out var val))
{
item.CommunityRating = val;
}
}
break;
}
case "aired":
case "formed":
case "premiered":
case "releasedate":
{
var formatString = _config.GetNfoConfiguration().ReleaseDateFormat;
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (DateTime.TryParseExact(val, formatString, CultureInfo.InvariantCulture, DateTimeStyles.AssumeLocal, out var date) && date.Year > 1850)
{
item.PremiereDate = date.ToUniversalTime();
item.ProductionYear = date.Year;
}
}
break;
}
case "enddate":
{
var formatString = _config.GetNfoConfiguration().ReleaseDateFormat;
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (DateTime.TryParseExact(val, formatString, CultureInfo.InvariantCulture, DateTimeStyles.AssumeLocal, out var date) && date.Year > 1850)
{
item.EndDate = date.ToUniversalTime();
}
}
break;
}
case "genre":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
var parts = val.Split('/')
.Select(i => i.Trim())
.Where(i => !string.IsNullOrWhiteSpace(i));
foreach (var p in parts)
{
item.AddGenre(p);
}
}
break;
}
case "style":
case "tag":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.AddTag(val);
}
break;
}
case "fileinfo":
{
if (!reader.IsEmptyElement)
{
using (var subtree = reader.ReadSubtree())
{
FetchFromFileInfoNode(subtree, item);
}
}
else
{
reader.Read();
}
break;
}
default:
string readerName = reader.Name;
if (_validProviderIds.TryGetValue(readerName, out string providerIdValue))
{
var id = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(id))
{
item.SetProviderId(providerIdValue, id);
}
}
else
{
reader.Skip();
}
break;
}
}
private void FetchFromFileInfoNode(XmlReader reader, T item)
{
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "streamdetails":
{
if (reader.IsEmptyElement)
{
reader.Read();
continue;
}
using (var subtree = reader.ReadSubtree())
{
FetchFromStreamDetailsNode(subtree, item);
}
break;
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
}
private void FetchFromStreamDetailsNode(XmlReader reader, T item)
{
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "video":
{
if (reader.IsEmptyElement)
{
reader.Read();
continue;
}
using (var subtree = reader.ReadSubtree())
{
FetchFromVideoNode(subtree, item);
}
break;
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
}
private void FetchFromVideoNode(XmlReader reader, T item)
{
reader.MoveToContent();
reader.Read();
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "format3d":
{
var val = reader.ReadElementContentAsString();
var video = item as Video;
if (video != null)
{
if (string.Equals("HSBS", val, StringComparison.OrdinalIgnoreCase))
{
video.Video3DFormat = Video3DFormat.HalfSideBySide;
}
else if (string.Equals("HTAB", val, StringComparison.OrdinalIgnoreCase))
{
video.Video3DFormat = Video3DFormat.HalfTopAndBottom;
}
else if (string.Equals("FTAB", val, StringComparison.OrdinalIgnoreCase))
{
video.Video3DFormat = Video3DFormat.FullTopAndBottom;
}
else if (string.Equals("FSBS", val, StringComparison.OrdinalIgnoreCase))
{
video.Video3DFormat = Video3DFormat.FullSideBySide;
}
else if (string.Equals("MVC", val, StringComparison.OrdinalIgnoreCase))
{
video.Video3DFormat = Video3DFormat.MVC;
}
}
break;
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
}
/// <summary>
/// Gets the persons from XML node.
/// </summary>
/// <param name="reader">The reader.</param>
/// <returns>IEnumerable{PersonInfo}.</returns>
private PersonInfo GetPersonFromXmlNode(XmlReader reader)
{
var name = string.Empty;
var type = PersonType.Actor; // If type is not specified assume actor
var role = string.Empty;
int? sortOrder = 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 "name":
name = reader.ReadElementContentAsString() ?? string.Empty;
break;
case "role":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
role = val;
}
break;
}
case "sortorder":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
if (int.TryParse(val, NumberStyles.Integer, _usCulture, out var intVal))
{
sortOrder = intVal;
}
}
break;
}
default:
reader.Skip();
break;
}
}
else
{
reader.Read();
}
}
return new PersonInfo
{
Name = name.Trim(),
Role = role,
Type = type,
SortOrder = sortOrder
};
}
/// <summary>
/// Used to split names of comma or pipe delimeted genres and people
/// </summary>
/// <param name="value">The value.</param>
/// <returns>IEnumerable{System.String}.</returns>
private IEnumerable<string> SplitNames(string value)
{
value = value ?? string.Empty;
// Only split by comma if there is no pipe in the string
// We have to be careful to not split names like Matthew, Jr.
var separator = value.IndexOf('|') == -1 && value.IndexOf(';') == -1 ? new[] { ',' } : new[] { '|', ';' };
value = value.Trim().Trim(separator);
return string.IsNullOrWhiteSpace(value) ? Array.Empty<string>() : Split(value, separator, StringSplitOptions.RemoveEmptyEntries);
}
/// <summary>
/// Provides an additional overload for string.split
/// </summary>
/// <param name="val">The val.</param>
/// <param name="separators">The separators.</param>
/// <param name="options">The options.</param>
/// <returns>System.String[][].</returns>
private string[] Split(string val, char[] separators, StringSplitOptions options)
{
return val.Split(separators, options);
}
}
}