407 lines
15 KiB
C#
407 lines
15 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.Entities.Audio;
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using MediaBrowser.Controller.Entities.Movies;
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using MediaBrowser.Controller.Entities.TV;
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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.Linq;
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using System.Text;
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using System.Threading;
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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);
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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);
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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);
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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", "upnp:class,dc:title,upnp:artist" } };
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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", string.Empty } };
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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 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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var requested = 0;
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var start = 0;
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if (sparams.ContainsKey("RequestedCount") && int.TryParse(sparams["RequestedCount"], out requested) && requested <= 0)
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{
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requested = 0;
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}
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if (sparams.ContainsKey("StartingIndex") && int.TryParse(sparams["StartingIndex"], out start) && start <= 0)
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{
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start = 0;
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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 folder = (Folder)GetItemFromObjectId(id, user);
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var children = GetChildrenSorted(folder, user, sortCriteria).ToList();
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var totalCount = children.Count;
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if (string.Equals(flag, "BrowseMetadata"))
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{
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result.DocumentElement.AppendChild(_didlBuilder.GetFolderElement(result, folder, children.Count, filter));
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provided++;
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}
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else
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{
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if (start > 0)
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{
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children = children.Skip(start).ToList();
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}
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if (requested > 0)
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{
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children = children.Take(requested).ToList();
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}
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provided = children.Count;
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foreach (var i in children)
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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 = GetChildrenSorted(f, user, sortCriteria).Count();
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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 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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var requested = 0;
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var start = 0;
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if (sparams.ContainsKey("RequestedCount") && int.TryParse(sparams["RequestedCount"], out requested) && requested <= 0)
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{
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requested = 0;
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}
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if (sparams.ContainsKey("StartingIndex") && int.TryParse(sparams["StartingIndex"], out start) && start <= 0)
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{
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start = 0;
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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 children = GetChildrenSorted(folder, user, searchCriteria, sortCriteria).ToList();
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var totalCount = children.Count;
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if (start > 0)
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{
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children = children.Skip(start).ToList();
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}
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if (requested > 0)
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{
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children = children.Take(requested).ToList();
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}
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var provided = children.Count;
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foreach (var i in children)
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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 = GetChildrenSorted(f, user, searchCriteria, sortCriteria).Count();
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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 IEnumerable<BaseItem> GetChildrenSorted(Folder folder, User user, SearchCriteria search, SortCriteria sort)
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{
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if (search.SearchType == SearchType.Unknown)
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{
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return GetChildrenSorted(folder, user, sort);
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}
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var items = folder.GetRecursiveChildren(user);
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items = FilterUnsupportedContent(items);
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if (search.SearchType == SearchType.Audio)
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{
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items = items.OfType<Audio>();
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}
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else if (search.SearchType == SearchType.Video)
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{
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items = items.OfType<Video>();
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}
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else if (search.SearchType == SearchType.Image)
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{
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items = items.OfType<Photo>();
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}
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else if (search.SearchType == SearchType.Playlist)
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{
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}
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return SortItems(items, user, sort);
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}
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private IEnumerable<BaseItem> GetChildrenSorted(Folder folder, User user, SortCriteria sort)
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{
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var items = folder.GetChildren(user, true);
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items = FilterUnsupportedContent(items);
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if (folder is Series || folder is Season || folder is BoxSet)
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{
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return items;
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}
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return SortItems(items, user, sort);
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}
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private IEnumerable<BaseItem> SortItems(IEnumerable<BaseItem> items, User user, SortCriteria sort)
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{
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return _libraryManager.Sort(items, user, new[] { ItemSortBy.SortName }, SortOrder.Ascending);
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}
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private IEnumerable<BaseItem> FilterUnsupportedContent(IEnumerable<BaseItem> items)
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{
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return items.Where(i =>
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{
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// Unplayable
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// TODO: Display and prevent playback with restricted flag?
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if (i.LocationType == LocationType.Virtual)
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{
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return false;
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}
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// Unplayable
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// TODO: Display and prevent playback with restricted flag?
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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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// Upnp renderers won't understand these
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// TODO: Display and prevent playback with restricted flag?
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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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}
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private BaseItem GetItemFromObjectId(string id, User user)
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{
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return string.IsNullOrWhiteSpace(id) || string.Equals(id, "0", StringComparison.OrdinalIgnoreCase)
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// Samsung sometimes uses 1 as root
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|| string.Equals(id, "1", StringComparison.OrdinalIgnoreCase)
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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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