jellyfin-server/MediaBrowser.LocalMetadata/Parsers/PlaylistXmlParser.cs

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C#
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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Playlists;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Logging;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Xml;
namespace MediaBrowser.LocalMetadata.Parsers
{
public class PlaylistXmlParser : BaseItemXmlParser<Playlist>
{
public PlaylistXmlParser(ILogger logger, IProviderManager providerManager)
: base(logger, providerManager)
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{
}
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protected override void FetchDataFromXmlNode(XmlReader reader, MetadataResult<Playlist> result)
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{
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var item = result.Item;
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switch (reader.Name)
{
case "OwnerUserId":
{
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var userId = reader.ReadElementContentAsString();
if (!item.Shares.Any(i => string.Equals(userId, i.UserId, StringComparison.OrdinalIgnoreCase)))
{
item.Shares.Add(new Share
{
UserId = userId,
CanEdit = true
});
}
break;
}
case "PlaylistMediaType":
{
item.PlaylistMediaType = reader.ReadElementContentAsString();
break;
}
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case "PlaylistItems":
using (var subReader = reader.ReadSubtree())
{
FetchFromCollectionItemsNode(subReader, item);
}
break;
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case "Shares":
using (var subReader = reader.ReadSubtree())
{
FetchFromSharesNode(subReader, item);
}
break;
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default:
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base.FetchDataFromXmlNode(reader, result);
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break;
}
}
private void FetchFromCollectionItemsNode(XmlReader reader, Playlist item)
{
reader.MoveToContent();
var list = new List<LinkedChild>();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "PlaylistItem":
{
using (var subReader = reader.ReadSubtree())
{
var child = GetLinkedChild(subReader);
if (child != null)
{
list.Add(child);
}
}
break;
}
default:
reader.Skip();
break;
}
}
}
item.LinkedChildren = list;
}
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private void FetchFromSharesNode(XmlReader reader, Playlist item)
{
reader.MoveToContent();
var list = new List<Share>();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Share":
{
using (var subReader = reader.ReadSubtree())
{
var child = GetShare(subReader);
if (child != null)
{
list.Add(child);
}
}
break;
}
default:
reader.Skip();
break;
}
}
}
item.Shares = list;
}
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}
}