MediaBrowser.LocalMetadata/Parsers/PlaylistXmlParser.cs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144

using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Playlists;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Xml;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Xml;

namespace MediaBrowser.LocalMetadata.Parsers
{
    public class PlaylistXmlParser : BaseItemXmlParser<Playlist>
    {
        protected override void FetchDataFromXmlNode(XmlReader reader, MetadataResult<Playlist> result)
        {
            var item = result.Item;

            switch (reader.Name)
            {
                case "OwnerUserId":
                    {
                        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;
                    }

                case "PlaylistItems":

                    using (var subReader = reader.ReadSubtree())
                    {
                        FetchFromCollectionItemsNode(subReader, item);
                    }
                    break;

                case "Shares":

                    using (var subReader = reader.ReadSubtree())
                    {
                        FetchFromSharesNode(subReader, item);
                    }
                    break;

                default:
                    base.FetchDataFromXmlNode(reader, result);
                    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;
        }

        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;
        }

        public PlaylistXmlParser(ILogger logger, IProviderManager providerManager, IXmlReaderSettingsFactory xmlReaderSettingsFactory, IFileSystem fileSystem) : base(logger, providerManager, xmlReaderSettingsFactory, fileSystem)
        {
        }
    }
}