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428 lines
16 KiB
C#
428 lines
16 KiB
C#
using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Drawing;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Dlna.Didl;
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using MediaBrowser.Dlna.Server;
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using MediaBrowser.Dlna.Service;
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using MediaBrowser.Model.Dlna;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Querying;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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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;
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namespace MediaBrowser.Dlna.ContentDirectory
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{
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public class ControlHandler : BaseControlHandler
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{
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private readonly ILibraryManager _libraryManager;
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private readonly IUserDataManager _userDataManager;
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private readonly User _user;
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private const string NS_DC = "http://purl.org/dc/elements/1.1/";
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private const string NS_DIDL = "urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/";
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private const string NS_DLNA = "urn:schemas-dlna-org:metadata-1-0/";
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private const string NS_UPNP = "urn:schemas-upnp-org:metadata-1-0/upnp/";
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private readonly int _systemUpdateId;
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private readonly CultureInfo _usCulture = new CultureInfo("en-US");
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private readonly DidlBuilder _didlBuilder;
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private readonly DeviceProfile _profile;
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public ControlHandler(ILogger logger, ILibraryManager libraryManager, DeviceProfile profile, string serverAddress, IImageProcessor imageProcessor, IUserDataManager userDataManager, User user, int systemUpdateId, IServerConfigurationManager config)
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: base(config, logger)
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{
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_libraryManager = libraryManager;
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_userDataManager = userDataManager;
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_user = user;
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_systemUpdateId = systemUpdateId;
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_profile = profile;
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_didlBuilder = new DidlBuilder(profile, user, imageProcessor, serverAddress, userDataManager);
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}
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protected override IEnumerable<KeyValuePair<string, string>> GetResult(string methodName, Headers methodParams)
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{
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var deviceId = "test";
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var user = _user;
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if (string.Equals(methodName, "GetSearchCapabilities", StringComparison.OrdinalIgnoreCase))
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return HandleGetSearchCapabilities();
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if (string.Equals(methodName, "GetSortCapabilities", StringComparison.OrdinalIgnoreCase))
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return HandleGetSortCapabilities();
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if (string.Equals(methodName, "GetSystemUpdateID", StringComparison.OrdinalIgnoreCase))
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return HandleGetSystemUpdateID();
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if (string.Equals(methodName, "Browse", StringComparison.OrdinalIgnoreCase))
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return HandleBrowse(methodParams, user, deviceId).Result;
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if (string.Equals(methodName, "X_GetFeatureList", StringComparison.OrdinalIgnoreCase))
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return HandleXGetFeatureList();
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if (string.Equals(methodName, "X_SetBookmark", StringComparison.OrdinalIgnoreCase))
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return HandleXSetBookmark(methodParams, user);
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if (string.Equals(methodName, "Search", StringComparison.OrdinalIgnoreCase))
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return HandleSearch(methodParams, user, deviceId).Result;
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throw new ResourceNotFoundException("Unexpected control request name: " + methodName);
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}
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private IEnumerable<KeyValuePair<string, string>> HandleXSetBookmark(IDictionary<string, string> sparams, User user)
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{
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var id = sparams["ObjectID"];
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var item = GetItemFromObjectId(id, user);
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var newbookmark = int.Parse(sparams["PosSecond"], _usCulture);
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var userdata = _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
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userdata.PlaybackPositionTicks = TimeSpan.FromSeconds(newbookmark).Ticks;
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_userDataManager.SaveUserData(user.Id, item, userdata, UserDataSaveReason.TogglePlayed,
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CancellationToken.None);
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return new Headers();
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}
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private IEnumerable<KeyValuePair<string, string>> HandleGetSearchCapabilities()
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{
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return new Headers(true) { { "SearchCaps", "res@resolution,res@size,res@duration,dc:title,dc:creator,upnp:actor,upnp:artist,upnp:genre,upnp:album,dc:date,upnp:class,@id,@refID,@protocolInfo,upnp:author,dc:description,pv:avKeywords" } };
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}
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private IEnumerable<KeyValuePair<string, string>> HandleGetSortCapabilities()
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{
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return new Headers(true) { { "SortCaps", "res@duration,res@size,res@bitrate,dc:date,dc:title,dc:size,upnp:album,upnp:artist,upnp:albumArtist,upnp:episodeNumber,upnp:genre,upnp:originalTrackNumber,upnp:rating" } };
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}
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private IEnumerable<KeyValuePair<string, string>> HandleGetSystemUpdateID()
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{
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var headers = new Headers(true);
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headers.Add("Id", _systemUpdateId.ToString(_usCulture));
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return headers;
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}
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private IEnumerable<KeyValuePair<string, string>> HandleXGetFeatureList()
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{
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return new Headers(true) { { "FeatureList", GetFeatureListXml() } };
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}
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private string GetFeatureListXml()
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{
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var builder = new StringBuilder();
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builder.Append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
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builder.Append("<Features xmlns=\"urn:schemas-upnp-org:av:avs\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"urn:schemas-upnp-org:av:avs http://www.upnp.org/schemas/av/avs.xsd\">");
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builder.Append("<Feature name=\"samsung.com_BASICVIEW\" version=\"1\">");
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builder.Append("<container id=\"I\" type=\"object.item.imageItem\"/>");
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builder.Append("<container id=\"A\" type=\"object.item.audioItem\"/>");
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builder.Append("<container id=\"V\" type=\"object.item.videoItem\"/>");
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builder.Append("</Feature>");
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builder.Append("</Features>");
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return builder.ToString();
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}
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private async Task<IEnumerable<KeyValuePair<string, string>>> HandleBrowse(Headers sparams, User user, string deviceId)
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{
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var id = sparams["ObjectID"];
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var flag = sparams["BrowseFlag"];
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var filter = new Filter(sparams.GetValueOrDefault("Filter", "*"));
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var sortCriteria = new SortCriteria(sparams.GetValueOrDefault("SortCriteria", ""));
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var provided = 0;
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int? requested = 0;
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int? start = 0;
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int requestedVal;
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if (sparams.ContainsKey("RequestedCount") && int.TryParse(sparams["RequestedCount"], out requestedVal) && requestedVal > 0)
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{
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requested = requestedVal;
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}
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int startVal;
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if (sparams.ContainsKey("StartingIndex") && int.TryParse(sparams["StartingIndex"], out startVal) && startVal > 0)
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{
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start = startVal;
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}
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//var root = GetItem(id) as IMediaFolder;
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var result = new XmlDocument();
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var didl = result.CreateElement(string.Empty, "DIDL-Lite", NS_DIDL);
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didl.SetAttribute("xmlns:dc", NS_DC);
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didl.SetAttribute("xmlns:dlna", NS_DLNA);
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didl.SetAttribute("xmlns:upnp", NS_UPNP);
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//didl.SetAttribute("xmlns:sec", NS_SEC);
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result.AppendChild(didl);
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var item = GetItemFromObjectId(id, user);
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var totalCount = 0;
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if (string.Equals(flag, "BrowseMetadata"))
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{
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var folder = item as Folder;
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if (folder == null)
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{
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result.DocumentElement.AppendChild(_didlBuilder.GetItemElement(result, item, deviceId, filter));
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}
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else
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{
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var childrenResult = (await GetUserItems(folder, user, sortCriteria, start, requested).ConfigureAwait(false));
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totalCount = childrenResult.TotalRecordCount;
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result.DocumentElement.AppendChild(_didlBuilder.GetFolderElement(result, folder, totalCount, filter, id));
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}
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provided++;
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}
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else
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{
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var folder = (Folder)item;
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var childrenResult = (await GetUserItems(folder, user, sortCriteria, start, requested).ConfigureAwait(false));
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totalCount = childrenResult.TotalRecordCount;
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provided = childrenResult.Items.Length;
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foreach (var i in childrenResult.Items)
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{
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if (i.IsFolder)
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{
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var f = (Folder)i;
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var childCount = (await GetUserItems(f, user, sortCriteria, null, 0).ConfigureAwait(false))
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.TotalRecordCount;
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result.DocumentElement.AppendChild(_didlBuilder.GetFolderElement(result, f, childCount, filter));
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}
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else
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{
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result.DocumentElement.AppendChild(_didlBuilder.GetItemElement(result, i, deviceId, filter));
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}
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}
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}
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var resXML = result.OuterXml;
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return new List<KeyValuePair<string, string>>
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{
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new KeyValuePair<string,string>("Result", resXML),
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new KeyValuePair<string,string>("NumberReturned", provided.ToString(_usCulture)),
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new KeyValuePair<string,string>("TotalMatches", totalCount.ToString(_usCulture)),
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new KeyValuePair<string,string>("UpdateID", _systemUpdateId.ToString(_usCulture))
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};
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}
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private async Task<IEnumerable<KeyValuePair<string, string>>> HandleSearch(Headers sparams, User user, string deviceId)
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{
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var searchCriteria = new SearchCriteria(sparams.GetValueOrDefault("SearchCriteria", ""));
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var sortCriteria = new SortCriteria(sparams.GetValueOrDefault("SortCriteria", ""));
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var filter = new Filter(sparams.GetValueOrDefault("Filter", "*"));
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// sort example: dc:title, dc:date
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int? requested = 0;
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int? start = 0;
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int requestedVal;
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if (sparams.ContainsKey("RequestedCount") && int.TryParse(sparams["RequestedCount"], out requestedVal) && requestedVal > 0)
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{
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requested = requestedVal;
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}
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int startVal;
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if (sparams.ContainsKey("StartingIndex") && int.TryParse(sparams["StartingIndex"], out startVal) && startVal > 0)
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{
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start = startVal;
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}
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//var root = GetItem(id) as IMediaFolder;
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var result = new XmlDocument();
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var didl = result.CreateElement(string.Empty, "DIDL-Lite", NS_DIDL);
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didl.SetAttribute("xmlns:dc", NS_DC);
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didl.SetAttribute("xmlns:dlna", NS_DLNA);
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didl.SetAttribute("xmlns:upnp", NS_UPNP);
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foreach (var att in _profile.XmlRootAttributes)
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{
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didl.SetAttribute(att.Name, att.Value);
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}
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result.AppendChild(didl);
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var folder = (Folder)GetItemFromObjectId(sparams["ContainerID"], user);
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var childrenResult = (await GetChildrenSorted(folder, user, searchCriteria, sortCriteria, start, requested).ConfigureAwait(false));
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var totalCount = childrenResult.TotalRecordCount;
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var provided = childrenResult.Items.Length;
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foreach (var i in childrenResult.Items)
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{
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if (i.IsFolder)
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{
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var f = (Folder)i;
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var childCount = (await GetChildrenSorted(f, user, searchCriteria, sortCriteria, null, 0).ConfigureAwait(false))
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.TotalRecordCount;
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result.DocumentElement.AppendChild(_didlBuilder.GetFolderElement(result, f, childCount, filter));
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}
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else
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{
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result.DocumentElement.AppendChild(_didlBuilder.GetItemElement(result, i, deviceId, filter));
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}
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}
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var resXML = result.OuterXml;
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return new List<KeyValuePair<string, string>>
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{
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new KeyValuePair<string,string>("Result", resXML),
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new KeyValuePair<string,string>("NumberReturned", provided.ToString(_usCulture)),
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new KeyValuePair<string,string>("TotalMatches", totalCount.ToString(_usCulture)),
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new KeyValuePair<string,string>("UpdateID", _systemUpdateId.ToString(_usCulture))
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};
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}
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private async Task<QueryResult<BaseItem>> GetChildrenSorted(Folder folder, User user, SearchCriteria search, SortCriteria sort, int? startIndex, int? limit)
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{
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var sortOrders = new List<string>();
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if (!folder.IsPreSorted)
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{
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sortOrders.Add(ItemSortBy.SortName);
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}
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var mediaTypes = new List<string>();
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bool? isFolder = null;
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if (search.SearchType == SearchType.Audio)
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{
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mediaTypes.Add(MediaType.Audio);
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isFolder = false;
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}
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else if (search.SearchType == SearchType.Video)
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{
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mediaTypes.Add(MediaType.Video);
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isFolder = false;
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}
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else if (search.SearchType == SearchType.Image)
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{
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mediaTypes.Add(MediaType.Photo);
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isFolder = false;
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}
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else if (search.SearchType == SearchType.Playlist)
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{
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//items = items.OfType<Playlist>();
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isFolder = true;
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}
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else if (search.SearchType == SearchType.MusicAlbum)
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{
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//items = items.OfType<MusicAlbum>();
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isFolder = true;
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}
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return await folder.GetUserItems(new UserItemsQuery
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{
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Limit = limit,
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StartIndex = startIndex,
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SortBy = sortOrders.ToArray(),
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SortOrder = sort.SortOrder,
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User = user,
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Recursive = true,
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Filter = FilterUnsupportedContent,
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IsFolder = isFolder,
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MediaTypes = mediaTypes.ToArray()
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}).ConfigureAwait(false);
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}
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private async Task<QueryResult<BaseItem>> GetUserItems(Folder folder, User user, SortCriteria sort, int? startIndex, int? limit)
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{
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var sortOrders = new List<string>();
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if (!folder.IsPreSorted)
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{
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sortOrders.Add(ItemSortBy.SortName);
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}
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return await folder.GetUserItems(new UserItemsQuery
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{
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Limit = limit,
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StartIndex = startIndex,
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SortBy = sortOrders.ToArray(),
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SortOrder = sort.SortOrder,
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User = user,
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Filter = FilterUnsupportedContent
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}).ConfigureAwait(false);
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}
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private bool FilterUnsupportedContent(BaseItem i, User user)
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{
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// Unplayable
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if (i.LocationType == LocationType.Virtual && !i.IsFolder)
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{
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return false;
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}
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// Unplayable
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var supportsPlaceHolder = i as ISupportsPlaceHolders;
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if (supportsPlaceHolder != null && supportsPlaceHolder.IsPlaceHolder)
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{
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return false;
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}
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if (i is Game || i is Book)
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{
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//return false;
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}
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return true;
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}
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private BaseItem GetItemFromObjectId(string id, User user)
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{
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return DidlBuilder.IsIdRoot(id)
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? user.RootFolder
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: ParseItemId(id, user);
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}
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private BaseItem ParseItemId(string id, User user)
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{
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Guid itemId;
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if (Guid.TryParse(id, out itemId))
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{
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return _libraryManager.GetItemById(itemId);
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}
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Logger.Error("Error parsing item Id: {0}. Returning user root folder.", id);
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return user.RootFolder;
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}
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}
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}
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