jellyfin/MediaBrowser.Controller/Providers/BaseItemXmlParser.cs

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C#
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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Logging;
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using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
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using System.Linq;
using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Xml;
namespace MediaBrowser.Controller.Providers
{
/// <summary>
/// Provides a base class for parsing metadata xml
/// </summary>
/// <typeparam name="T"></typeparam>
public class BaseItemXmlParser<T>
where T : BaseItem, new()
{
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/// <summary>
/// The logger
/// </summary>
protected ILogger Logger { get; private set; }
/// <summary>
/// Initializes a new instance of the <see cref="BaseItemXmlParser{T}" /> class.
/// </summary>
/// <param name="logger">The logger.</param>
public BaseItemXmlParser(ILogger logger)
{
Logger = logger;
}
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/// <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="System.ArgumentNullException"></exception>
public void Fetch(T item, string metadataFile, CancellationToken cancellationToken)
{
if (item == null)
{
throw new ArgumentNullException();
}
if (string.IsNullOrEmpty(metadataFile))
{
throw new ArgumentNullException();
}
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var settings = new XmlReaderSettings
{
CheckCharacters = false,
IgnoreProcessingInstructions = true,
IgnoreComments = true,
ValidationType = ValidationType.None
};
item.Taglines.Clear();
item.Studios.Clear();
item.Genres.Clear();
item.People.Clear();
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item.Tags.Clear();
//Fetch(item, metadataFile, settings, Encoding.GetEncoding("ISO-8859-1"), cancellationToken);
Fetch(item, metadataFile, settings, Encoding.UTF8, cancellationToken);
}
/// <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="encoding">The encoding.</param>
/// <param name="cancellationToken">The cancellation token.</param>
private void Fetch(T item, string metadataFile, XmlReaderSettings settings, Encoding encoding, CancellationToken cancellationToken)
{
using (var streamReader = new StreamReader(metadataFile, encoding))
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{
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// Use XmlReader for best performance
using (var reader = XmlReader.Create(streamReader, settings))
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{
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reader.MoveToContent();
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// Loop through each element
while (reader.Read())
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{
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cancellationToken.ThrowIfCancellationRequested();
if (reader.NodeType == XmlNodeType.Element)
{
FetchDataFromXmlNode(reader, item);
}
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}
}
}
}
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private readonly CultureInfo _usCulture = new CultureInfo("en-US");
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/// <summary>
/// Fetches metadata from one Xml Element
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="item">The item.</param>
protected virtual void FetchDataFromXmlNode(XmlReader reader, T item)
{
switch (reader.Name)
{
// DateCreated
case "Added":
DateTime added;
if (DateTime.TryParse(reader.ReadElementContentAsString() ?? string.Empty, out added))
{
item.DateCreated = added.ToUniversalTime();
}
break;
case "LocalTitle":
item.Name = reader.ReadElementContentAsString();
break;
case "Type":
{
var type = reader.ReadElementContentAsString();
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if (!string.IsNullOrWhiteSpace(type) && !type.Equals("none", StringComparison.OrdinalIgnoreCase))
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{
item.DisplayMediaType = type;
}
break;
}
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case "CriticRating":
{
var text = reader.ReadElementContentAsString();
float value;
if (float.TryParse(text, NumberStyles.Any, _usCulture, out value))
{
item.CriticRating = value;
}
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break;
}
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case "Budget":
{
var text = reader.ReadElementContentAsString();
double value;
if (double.TryParse(text, NumberStyles.Any, _usCulture, out value))
{
item.Budget = value;
}
break;
}
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case "Revenue":
{
var text = reader.ReadElementContentAsString();
double value;
if (double.TryParse(text, NumberStyles.Any, _usCulture, out value))
{
item.Revenue = value;
}
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break;
}
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case "SortTitle":
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{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.ForcedSortName = val;
}
break;
}
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case "Overview":
case "Description":
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{
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var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.Overview = val;
}
break;
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}
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case "CriticRatingSummary":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.CriticRatingSummary = val;
}
break;
}
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case "TagLine":
{
var tagline = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(tagline))
{
item.AddTagline(tagline);
}
break;
}
case "PlaceOfBirth":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.ProductionLocations = new List<string> { val };
}
break;
}
case "Website":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.HomePageUrl = val;
}
break;
}
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case "LockedFields":
{
var fields = new List<MetadataFields>();
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
var list = val.Split('|').Select(i =>
{
MetadataFields field;
if (Enum.TryParse<MetadataFields>(i, true, out field))
{
return (MetadataFields?)field;
}
return null;
}).Where(i => i.HasValue).Select(i => i.Value);
fields.AddRange(list);
}
item.LockedFields = fields;
break;
}
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case "TagLines":
{
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using (var subtree = reader.ReadSubtree())
{
FetchFromTaglinesNode(subtree, item);
}
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break;
}
case "ContentRating":
case "certification":
case "MPAARating":
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case "ESRBRating":
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{
var rating = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(rating))
{
item.OfficialRating = rating;
}
break;
}
case "MPAADescription":
{
var rating = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(rating))
{
item.OfficialRatingDescription = rating;
}
break;
}
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case "CustomRating":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.CustomRating = val;
}
break;
}
case "Runtime":
case "RunningTime":
{
var text = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(text))
{
int runtime;
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if (int.TryParse(text.Split(' ')[0], NumberStyles.Integer, _usCulture, out runtime))
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{
// For audio and video don't replace ffmpeg data
if (item is Video || item is Audio)
{
item.OriginalRunTimeTicks = TimeSpan.FromMinutes(runtime).Ticks;
}
else
{
item.RunTimeTicks = TimeSpan.FromMinutes(runtime).Ticks;
}
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}
}
break;
}
case "Genre":
{
foreach (var name in SplitNames(reader.ReadElementContentAsString()))
{
if (string.IsNullOrWhiteSpace(name))
{
continue;
}
item.AddGenre(name);
}
break;
}
case "AspectRatio":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.AspectRatio = val;
}
break;
}
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case "LockData":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.DontFetchMeta = string.Equals("true", val, StringComparison.OrdinalIgnoreCase);
}
break;
}
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case "Network":
{
foreach (var name in SplitNames(reader.ReadElementContentAsString()))
{
if (string.IsNullOrWhiteSpace(name))
{
continue;
}
item.AddStudio(name);
}
break;
}
case "Director":
{
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foreach (var p in SplitNames(reader.ReadElementContentAsString()).Select(v => new PersonInfo { Name = v.Trim(), Type = PersonType.Director }))
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{
if (string.IsNullOrWhiteSpace(p.Name))
{
continue;
}
item.AddPerson(p);
}
break;
}
case "Writer":
{
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foreach (var p in SplitNames(reader.ReadElementContentAsString()).Select(v => new PersonInfo { Name = v.Trim(), Type = PersonType.Writer }))
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{
if (string.IsNullOrWhiteSpace(p.Name))
{
continue;
}
item.AddPerson(p);
}
break;
}
case "Actors":
{
var actors = reader.ReadInnerXml();
if (actors.Contains("<"))
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{
// This is one of the mis-named "Actors" full nodes created by MB2
// Create a reader and pass it to the persons node processor
FetchDataFromPersonsNode(new XmlTextReader(new StringReader("<Persons>" + actors + "</Persons>")), item);
}
else
{
// Old-style piped string
foreach (var p in SplitNames(actors).Select(v => new PersonInfo { Name = v.Trim(), Type = PersonType.Actor }))
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{
if (string.IsNullOrWhiteSpace(p.Name))
{
continue;
}
item.AddPerson(p);
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}
}
break;
}
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case "GuestStars":
{
foreach (var p in SplitNames(reader.ReadElementContentAsString()).Select(v => new PersonInfo { Name = v.Trim(), Type = PersonType.GuestStar }))
{
if (string.IsNullOrWhiteSpace(p.Name))
{
continue;
}
item.AddPerson(p);
}
break;
}
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case "Trailer":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.AddTrailerUrl(val, false);
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}
break;
}
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case "ReleaseYear":
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case "ProductionYear":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
int productionYear;
if (int.TryParse(val, out productionYear) && productionYear > 1850)
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{
item.ProductionYear = productionYear;
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}
}
break;
}
case "Rating":
case "IMDBrating":
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case "TGDBRating":
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{
var rating = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(rating))
{
float val;
// 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 val))
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{
item.CommunityRating = val;
}
}
break;
}
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case "BirthDate":
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case "PremiereDate":
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case "FirstAired":
{
var firstAired = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(firstAired))
{
DateTime airDate;
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if (DateTime.TryParseExact(firstAired, "yyyy-MM-dd", CultureInfo.InvariantCulture, DateTimeStyles.AssumeLocal, out airDate) && airDate.Year > 1850)
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{
item.PremiereDate = airDate.ToUniversalTime();
item.ProductionYear = airDate.Year;
}
}
break;
}
case "DeathDate":
case "EndDate":
{
var firstAired = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(firstAired))
{
DateTime airDate;
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if (DateTime.TryParseExact(firstAired, "yyyy-MM-dd", CultureInfo.InvariantCulture, DateTimeStyles.AssumeLocal, out airDate) && airDate.Year > 1850)
{
item.EndDate = airDate.ToUniversalTime();
}
}
break;
}
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case "TvDbId":
var tvdbId = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(tvdbId))
{
item.SetProviderId(MetadataProviders.Tvdb, tvdbId);
}
break;
case "GamesDbId":
var gamesdbId = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(gamesdbId))
{
item.SetProviderId(MetadataProviders.Gamesdb, gamesdbId);
}
break;
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case "Players":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
int num;
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if (int.TryParse(val, NumberStyles.Integer, _usCulture, out num))
{
var game = item as Game;
if (game != null)
{
game.PlayersSupported = num;
}
}
}
break;
}
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case "VoteCount":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
int num;
if (int.TryParse(val, NumberStyles.Integer, _usCulture, out num))
{
item.VoteCount = num;
}
}
break;
}
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case "GameSystem":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
var game = item as Game;
if (game != null)
{
game.GameSystem = val;
}
}
break;
}
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case "MusicbrainzId":
{
var mbz = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(mbz))
{
item.SetProviderId(MetadataProviders.Musicbrainz, mbz);
}
break;
}
case "MusicBrainzReleaseGroupId":
{
var mbz = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(mbz))
{
item.SetProviderId(MetadataProviders.MusicBrainzReleaseGroup, mbz);
}
break;
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}
case "RottenTomatoesId":
var rtId = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(rtId))
{
item.SetProviderId(MetadataProviders.RottenTomatoes, rtId);
}
break;
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case "TMDbId":
var tmdb = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(tmdb))
{
item.SetProviderId(MetadataProviders.Tmdb, tmdb);
}
break;
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case "TMDbCollectionId":
var tmdbCollection = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(tmdbCollection))
{
item.SetProviderId(MetadataProviders.TmdbCollection, tmdbCollection);
}
break;
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case "TVcomId":
var TVcomId = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(TVcomId))
{
item.SetProviderId(MetadataProviders.Tvcom, TVcomId);
}
break;
case "Zap2ItId":
var zap2ItId = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(zap2ItId))
{
item.SetProviderId(MetadataProviders.Zap2It, zap2ItId);
}
break;
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case "IMDB_ID":
case "IMDB":
case "IMDbId":
var imDbId = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(imDbId))
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{
item.SetProviderId(MetadataProviders.Imdb, imDbId);
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}
break;
case "Genres":
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{
using (var subtree = reader.ReadSubtree())
{
FetchFromGenresNode(subtree, item);
}
break;
}
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case "Tags":
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{
using (var subtree = reader.ReadSubtree())
{
FetchFromTagsNode(subtree, item);
}
break;
}
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case "Persons":
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{
using (var subtree = reader.ReadSubtree())
{
FetchDataFromPersonsNode(subtree, item);
}
break;
}
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case "ParentalRating":
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{
using (var subtree = reader.ReadSubtree())
{
FetchFromParentalRatingNode(subtree, item);
}
break;
}
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case "Studios":
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{
using (var subtree = reader.ReadSubtree())
{
FetchFromStudiosNode(subtree, item);
}
break;
}
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case "MediaInfo":
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{
using (var subtree = reader.ReadSubtree())
{
FetchFromMediaInfoNode(subtree, item);
}
break;
}
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default:
reader.Skip();
break;
}
}
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/// <summary>
/// Fetches from media info node.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="item">The item.</param>
private void FetchFromMediaInfoNode(XmlReader reader, T item)
{
reader.MoveToContent();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Video":
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{
using (var subtree = reader.ReadSubtree())
{
FetchFromMediaInfoVideoNode(subtree, item);
}
break;
}
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default:
reader.Skip();
break;
}
}
}
}
/// <summary>
/// Fetches from media info video node.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="item">The item.</param>
private void FetchFromMediaInfoVideoNode(XmlReader reader, T item)
{
reader.MoveToContent();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
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case "Format3D":
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{
var video = item as Video;
if (video != null)
{
var val = reader.ReadElementContentAsString();
if (string.Equals("HSBS", val))
{
video.Video3DFormat = Video3DFormat.HalfSideBySide;
}
else if (string.Equals("HTAB", val))
{
video.Video3DFormat = Video3DFormat.HalfTopAndBottom;
}
else if (string.Equals("FTAB", val))
{
video.Video3DFormat = Video3DFormat.FullTopAndBottom;
}
else if (string.Equals("FSBS", val))
{
video.Video3DFormat = Video3DFormat.FullSideBySide;
}
}
break;
}
default:
reader.Skip();
break;
}
}
}
}
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/// <summary>
/// Fetches from taglines node.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="item">The item.</param>
private void FetchFromTaglinesNode(XmlReader reader, T item)
{
reader.MoveToContent();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Tagline":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
item.AddTagline(val);
}
break;
}
default:
reader.Skip();
break;
}
}
}
}
/// <summary>
/// Fetches from genres node.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="item">The item.</param>
private void FetchFromGenresNode(XmlReader reader, T item)
{
reader.MoveToContent();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Genre":
{
var genre = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(genre))
{
item.AddGenre(genre);
}
break;
}
default:
reader.Skip();
break;
}
}
}
}
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private void FetchFromTagsNode(XmlReader reader, T item)
{
reader.MoveToContent();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Tag":
{
var tag = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(tag))
{
item.AddTag(tag);
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}
break;
}
default:
reader.Skip();
break;
}
}
}
}
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/// <summary>
/// Fetches the data from persons node.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="item">The item.</param>
private void FetchDataFromPersonsNode(XmlReader reader, T item)
{
reader.MoveToContent();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Person":
case "Actor":
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{
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using (var subtree = reader.ReadSubtree())
{
foreach (var person in GetPersonsFromXmlNode(subtree))
{
item.AddPerson(person);
}
}
break;
}
default:
reader.Skip();
break;
}
}
}
}
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protected async Task FetchChaptersFromXmlNode(BaseItem item, XmlReader reader, IItemRepository repository, CancellationToken cancellationToken)
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{
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var runtime = item.RunTimeTicks ?? 0;
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using (reader)
{
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var chapters = GetChaptersFromXmlNode(reader)
.Where(i => i.StartPositionTicks >= 0 && i.StartPositionTicks < runtime);
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await repository.SaveChapters(item.Id, chapters, cancellationToken).ConfigureAwait(false);
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}
}
private IEnumerable<ChapterInfo> GetChaptersFromXmlNode(XmlReader reader)
{
var chapters = new List<ChapterInfo>();
reader.MoveToContent();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Chapter":
{
using (var subtree = reader.ReadSubtree())
{
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chapters.Add(GetChapterInfoFromXmlNode(subtree));
}
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break;
}
default:
reader.Skip();
break;
}
}
}
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return chapters;
}
private ChapterInfo GetChapterInfoFromXmlNode(XmlReader reader)
{
var chapter = new ChapterInfo();
reader.MoveToContent();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "StartPositionMs":
{
var val = reader.ReadElementContentAsString();
var ms = long.Parse(val, _usCulture);
chapter.StartPositionTicks = TimeSpan.FromMilliseconds(ms).Ticks;
break;
}
case "Name":
{
chapter.Name = reader.ReadElementContentAsString();
break;
}
default:
reader.Skip();
break;
}
}
}
return chapter;
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}
/// <summary>
/// Fetches from studios node.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="item">The item.</param>
private void FetchFromStudiosNode(XmlReader reader, T item)
{
reader.MoveToContent();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Studio":
{
var studio = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(studio))
{
item.AddStudio(studio);
}
break;
}
default:
reader.Skip();
break;
}
}
}
}
/// <summary>
/// Fetches from parental rating node.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="item">The item.</param>
private void FetchFromParentalRatingNode(XmlReader reader, T item)
{
reader.MoveToContent();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
// Removed support for "Value" tag as it conflicted with MPAA rating but leaving this function for possible
// future support of "Description" -ebr
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default:
reader.Skip();
break;
}
}
}
}
/// <summary>
/// Gets the persons from XML node.
/// </summary>
/// <param name="reader">The reader.</param>
/// <returns>IEnumerable{PersonInfo}.</returns>
private IEnumerable<PersonInfo> GetPersonsFromXmlNode(XmlReader reader)
{
var names = new List<string>();
var type = "Actor"; // If type is not specified assume actor
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var role = string.Empty;
reader.MoveToContent();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Name":
names.AddRange(SplitNames(reader.ReadElementContentAsString()));
break;
case "Type":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
type = val;
}
break;
}
case "Role":
{
var val = reader.ReadElementContentAsString();
if (!string.IsNullOrWhiteSpace(val))
{
role = val;
}
break;
}
default:
reader.Skip();
break;
}
}
}
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return names.Select(n => new PersonInfo { Name = n.Trim(), Role = role, Type = type });
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}
/// <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[] { '|', ';' };
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value = value.Trim().Trim(separator);
return string.IsNullOrWhiteSpace(value) ? new string[] { } : Split(value, separator, StringSplitOptions.RemoveEmptyEntries);
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}
/// <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 static string[] Split(string val, char[] separators, StringSplitOptions options)
{
return val.Split(separators, options);
}
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}
}