jellyfin/MediaBrowser.LocalMetadata/Parsers/PlaylistXmlParser.cs

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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;
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using MediaBrowser.Model.IO;
using MediaBrowser.Model.Xml;
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namespace MediaBrowser.LocalMetadata.Parsers
{
public class PlaylistXmlParser : BaseItemXmlParser<Playlist>
{
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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":
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if (!reader.IsEmptyElement)
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{
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using (var subReader = reader.ReadSubtree())
{
FetchFromCollectionItemsNode(subReader, item);
}
}
else
{
reader.Read();
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}
break;
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case "Shares":
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if (!reader.IsEmptyElement)
{
using (var subReader = reader.ReadSubtree())
{
FetchFromSharesNode(subReader, item);
}
}
else
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{
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reader.Read();
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}
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)
{
var list = new List<LinkedChild>();
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reader.MoveToContent();
reader.Read();
// Loop through each element
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while (!reader.EOF && reader.ReadState == ReadState.Interactive)
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{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "PlaylistItem":
{
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if (reader.IsEmptyElement)
{
reader.Read();
continue;
}
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using (var subReader = reader.ReadSubtree())
{
var child = GetLinkedChild(subReader);
if (child != null)
{
list.Add(child);
}
}
break;
}
default:
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{
reader.Skip();
break;
}
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}
}
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else
{
reader.Read();
}
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}
item.LinkedChildren = list;
}
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private void FetchFromSharesNode(XmlReader reader, Playlist item)
{
var list = new List<Share>();
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reader.MoveToContent();
reader.Read();
// Loop through each element
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while (!reader.EOF && reader.ReadState == ReadState.Interactive)
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{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "Share":
{
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if (reader.IsEmptyElement)
{
reader.Read();
continue;
}
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using (var subReader = reader.ReadSubtree())
{
var child = GetShare(subReader);
if (child != null)
{
list.Add(child);
}
}
break;
}
default:
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{
reader.Skip();
break;
}
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}
}
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else
{
reader.Read();
}
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}
item.Shares = list;
}
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public PlaylistXmlParser(ILogger logger, IProviderManager providerManager, IXmlReaderSettingsFactory xmlReaderSettingsFactory, IFileSystem fileSystem) : base(logger, providerManager, xmlReaderSettingsFactory, fileSystem)
{
}
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}
}