1385 lines
48 KiB
C#
1385 lines
48 KiB
C#
using MediaBrowser.Common.Extensions;
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using MediaBrowser.Common.IO;
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using MediaBrowser.Controller.Channels;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Dto;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Localization;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Controller.Resolvers;
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using MediaBrowser.Model.Channels;
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using MediaBrowser.Model.Dto;
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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 MediaBrowser.Model.Serialization;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Server.Implementations.Channels
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{
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public class ChannelManager : IChannelManager, IDisposable
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{
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private IChannel[] _channels;
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private IChannelFactory[] _factories;
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private readonly IUserManager _userManager;
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private readonly IUserDataManager _userDataManager;
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private readonly IDtoService _dtoService;
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private readonly ILibraryManager _libraryManager;
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private readonly ILogger _logger;
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private readonly IServerConfigurationManager _config;
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private readonly IFileSystem _fileSystem;
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private readonly IJsonSerializer _jsonSerializer;
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private readonly ILocalizationManager _localization;
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private readonly ConcurrentDictionary<Guid, bool> _refreshedItems = new ConcurrentDictionary<Guid, bool>();
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private Timer _refreshTimer;
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public ChannelManager(IUserManager userManager, IDtoService dtoService, ILibraryManager libraryManager, ILogger logger, IServerConfigurationManager config, IFileSystem fileSystem, IUserDataManager userDataManager, IJsonSerializer jsonSerializer, ILocalizationManager localization)
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{
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_userManager = userManager;
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_dtoService = dtoService;
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_libraryManager = libraryManager;
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_logger = logger;
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_config = config;
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_fileSystem = fileSystem;
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_userDataManager = userDataManager;
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_jsonSerializer = jsonSerializer;
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_localization = localization;
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_refreshTimer = new Timer(s => _refreshedItems.Clear(), null, TimeSpan.FromHours(3), TimeSpan.FromHours(3));
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}
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private TimeSpan CacheLength
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{
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get
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{
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return TimeSpan.FromHours(12);
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}
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}
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public void AddParts(IEnumerable<IChannel> channels, IEnumerable<IChannelFactory> factories)
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{
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_channels = channels.Where(i => !(i is IFactoryChannel)).ToArray();
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_factories = factories.ToArray();
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}
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public string ChannelDownloadPath
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{
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get
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{
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var options = _config.GetChannelsConfiguration();
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if (!string.IsNullOrWhiteSpace(options.DownloadPath))
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{
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return options.DownloadPath;
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}
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return Path.Combine(_config.ApplicationPaths.ProgramDataPath, "channels");
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}
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}
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private IEnumerable<IChannel> GetAllChannels()
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{
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return _factories
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.SelectMany(i =>
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{
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try
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{
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return i.GetChannels().ToList();
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error getting channel list", ex);
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return new List<IChannel>();
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}
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})
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.Concat(_channels)
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.OrderBy(i => i.Name);
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}
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public Task<QueryResult<Channel>> GetChannelsInternal(ChannelQuery query, CancellationToken cancellationToken)
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{
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var user = string.IsNullOrWhiteSpace(query.UserId)
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? null
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: _userManager.GetUserById(query.UserId);
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var channels = GetAllChannels()
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.Select(GetChannelEntity)
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.OrderBy(i => i.SortName)
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.ToList();
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if (query.SupportsLatestItems.HasValue)
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{
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var val = query.SupportsLatestItems.Value;
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channels = channels.Where(i => (GetChannelProvider(i) is ISupportsLatestMedia) == val)
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.ToList();
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}
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if (query.IsFavorite.HasValue)
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{
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var val = query.IsFavorite.Value;
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channels = channels.Where(i => _userDataManager.GetUserData(user.Id, i.GetUserDataKey()).IsFavorite == val)
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.ToList();
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}
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if (user != null)
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{
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channels = channels.Where(i => GetChannelProvider(i).IsEnabledFor(user.Id.ToString("N")) && i.IsVisible(user))
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.ToList();
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}
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var all = channels;
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var totalCount = all.Count;
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if (query.StartIndex.HasValue)
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{
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all = all.Skip(query.StartIndex.Value).ToList();
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}
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if (query.Limit.HasValue)
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{
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all = all.Take(query.Limit.Value).ToList();
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}
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var returnItems = all.ToArray();
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var result = new QueryResult<Channel>
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{
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Items = returnItems,
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TotalRecordCount = totalCount
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};
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return Task.FromResult(result);
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}
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public async Task<QueryResult<BaseItemDto>> GetChannels(ChannelQuery query, CancellationToken cancellationToken)
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{
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var user = string.IsNullOrWhiteSpace(query.UserId)
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? null
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: _userManager.GetUserById(query.UserId);
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var internalResult = await GetChannelsInternal(query, cancellationToken).ConfigureAwait(false);
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// Get everything
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var fields = Enum.GetNames(typeof(ItemFields))
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.Select(i => (ItemFields)Enum.Parse(typeof(ItemFields), i, true))
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.ToList();
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var returnItems = internalResult.Items.Select(i => _dtoService.GetBaseItemDto(i, fields, user))
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.ToArray();
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var result = new QueryResult<BaseItemDto>
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{
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Items = returnItems,
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TotalRecordCount = internalResult.TotalRecordCount
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};
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return result;
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}
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public async Task RefreshChannels(IProgress<double> progress, CancellationToken cancellationToken)
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{
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var allChannelsList = GetAllChannels().ToList();
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var numComplete = 0;
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foreach (var channelInfo in allChannelsList)
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{
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cancellationToken.ThrowIfCancellationRequested();
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try
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{
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var item = await GetChannel(channelInfo, cancellationToken).ConfigureAwait(false);
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_libraryManager.RegisterItem(item);
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}
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catch (OperationCanceledException)
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{
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throw;
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error getting channel information for {0}", ex, channelInfo.Name);
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}
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numComplete++;
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double percent = numComplete;
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percent /= allChannelsList.Count;
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progress.Report(100 * percent);
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}
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progress.Report(100);
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}
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private Channel GetChannelEntity(IChannel channel)
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{
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var item = GetChannel(GetInternalChannelId(channel.Name).ToString("N"));
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if (item == null)
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{
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item = GetChannel(channel, CancellationToken.None).Result;
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_libraryManager.RegisterItem(item);
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}
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return item;
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}
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public async Task<IEnumerable<MediaSourceInfo>> GetChannelItemMediaSources(string id, CancellationToken cancellationToken)
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{
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var item = (IChannelMediaItem)_libraryManager.GetItemById(id);
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var channel = GetChannel(item.ChannelId);
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var channelPlugin = GetChannelProvider(channel);
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var requiresCallback = channelPlugin as IRequiresMediaInfoCallback;
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IEnumerable<ChannelMediaInfo> results;
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if (requiresCallback != null)
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{
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results = await GetChannelItemMediaSourcesInternal(requiresCallback, item.ExternalId, cancellationToken)
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.ConfigureAwait(false);
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}
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else
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{
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results = item.ChannelMediaSources;
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}
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var sources = SortMediaInfoResults(results).Select(i => GetMediaSource(item, i))
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.ToList();
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var cachedVersions = GetCachedChannelItemMediaSources(item);
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sources.InsertRange(0, cachedVersions);
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return sources;
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}
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private readonly ConcurrentDictionary<string, Tuple<DateTime, List<ChannelMediaInfo>>> _channelItemMediaInfo =
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new ConcurrentDictionary<string, Tuple<DateTime, List<ChannelMediaInfo>>>();
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private async Task<IEnumerable<ChannelMediaInfo>> GetChannelItemMediaSourcesInternal(IRequiresMediaInfoCallback channel, string id, CancellationToken cancellationToken)
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{
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Tuple<DateTime, List<ChannelMediaInfo>> cachedInfo;
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if (_channelItemMediaInfo.TryGetValue(id, out cachedInfo))
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{
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if ((DateTime.UtcNow - cachedInfo.Item1).TotalMinutes < 5)
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{
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return cachedInfo.Item2;
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}
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}
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var mediaInfo = await channel.GetChannelItemMediaInfo(id, cancellationToken)
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.ConfigureAwait(false);
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var list = mediaInfo.ToList();
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var item2 = new Tuple<DateTime, List<ChannelMediaInfo>>(DateTime.UtcNow, list);
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_channelItemMediaInfo.AddOrUpdate(id, item2, (key, oldValue) => item2);
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return list;
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}
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public IEnumerable<MediaSourceInfo> GetCachedChannelItemMediaSources(string id)
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{
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var item = (IChannelMediaItem)_libraryManager.GetItemById(id);
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return GetCachedChannelItemMediaSources(item);
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}
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public IEnumerable<MediaSourceInfo> GetCachedChannelItemMediaSources(IChannelMediaItem item)
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{
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var filenamePrefix = item.Id.ToString("N");
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var parentPath = Path.Combine(ChannelDownloadPath, item.ChannelId);
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try
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{
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var files = new DirectoryInfo(parentPath).EnumerateFiles("*", SearchOption.TopDirectoryOnly);
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if (string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase))
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{
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files = files.Where(i => EntityResolutionHelper.IsVideoFile(i.FullName));
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}
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else
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{
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files = files.Where(i => EntityResolutionHelper.IsAudioFile(i.FullName));
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}
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var file = files
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.FirstOrDefault(i => i.Name.StartsWith(filenamePrefix, StringComparison.OrdinalIgnoreCase));
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if (file != null)
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{
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var cachedItem = _libraryManager.ResolvePath(file);
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if (cachedItem != null)
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{
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var hasMediaSources = _libraryManager.GetItemById(cachedItem.Id) as IHasMediaSources;
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if (hasMediaSources != null)
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{
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var source = hasMediaSources.GetMediaSources(true).FirstOrDefault();
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if (source != null)
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{
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source.Type = MediaSourceType.Cache;
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return new[] { source };
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}
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}
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}
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}
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}
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catch (DirectoryNotFoundException)
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{
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}
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return new List<MediaSourceInfo>();
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}
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private MediaSourceInfo GetMediaSource(IChannelMediaItem item, ChannelMediaInfo info)
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{
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var id = info.Path.GetMD5().ToString("N");
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var source = new MediaSourceInfo
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{
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MediaStreams = GetMediaStreams(info).ToList(),
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Container = info.Container,
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Protocol = info.Protocol,
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Path = info.Path,
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RequiredHttpHeaders = info.RequiredHttpHeaders,
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RunTimeTicks = item.RunTimeTicks,
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Name = id,
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Id = id
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};
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return source;
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}
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private IEnumerable<MediaStream> GetMediaStreams(ChannelMediaInfo info)
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{
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var list = new List<MediaStream>();
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if (!string.IsNullOrWhiteSpace(info.VideoCodec) &&
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!string.IsNullOrWhiteSpace(info.AudioCodec))
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{
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list.Add(new MediaStream
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{
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Type = MediaStreamType.Video,
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Width = info.Width,
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RealFrameRate = info.Framerate,
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Profile = info.VideoProfile,
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Level = info.VideoLevel,
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Index = -1,
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Height = info.Height,
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Codec = info.VideoCodec,
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BitRate = info.VideoBitrate,
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AverageFrameRate = info.Framerate
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});
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list.Add(new MediaStream
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{
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Type = MediaStreamType.Audio,
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Index = -1,
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Codec = info.AudioCodec,
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BitRate = info.AudioBitrate,
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Channels = info.AudioChannels,
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SampleRate = info.AudioSampleRate
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});
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}
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return list;
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}
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private IEnumerable<ChannelMediaInfo> SortMediaInfoResults(IEnumerable<ChannelMediaInfo> channelMediaSources)
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{
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var list = channelMediaSources.ToList();
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var options = _config.GetChannelsConfiguration();
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var width = options.PreferredStreamingWidth;
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if (width.HasValue)
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{
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var val = width.Value;
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var res = list
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.OrderBy(i => (i.Width.HasValue && i.Width.Value <= val ? 0 : 1))
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.ThenBy(i => Math.Abs((i.Width ?? 0) - val))
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.ThenByDescending(i => i.Width ?? 0)
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.ThenBy(list.IndexOf)
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.ToList();
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return res;
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}
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return list
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.OrderByDescending(i => i.Width ?? 0)
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.ThenBy(list.IndexOf);
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}
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private async Task<Channel> GetChannel(IChannel channelInfo, CancellationToken cancellationToken)
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{
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var path = Path.Combine(_config.ApplicationPaths.ItemsByNamePath, "channels", _fileSystem.GetValidFilename(channelInfo.Name));
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var fileInfo = new DirectoryInfo(path);
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var isNew = false;
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if (!fileInfo.Exists)
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{
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_logger.Debug("Creating directory {0}", path);
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Directory.CreateDirectory(path);
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fileInfo = new DirectoryInfo(path);
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if (!fileInfo.Exists)
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{
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throw new IOException("Path not created: " + path);
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}
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isNew = true;
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}
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var id = GetInternalChannelId(channelInfo.Name);
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var item = _libraryManager.GetItemById(id) as Channel;
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if (item == null)
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{
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item = new Channel
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{
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Name = channelInfo.Name,
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Id = id,
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DateCreated = _fileSystem.GetCreationTimeUtc(fileInfo),
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DateModified = _fileSystem.GetLastWriteTimeUtc(fileInfo),
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Path = path
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};
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isNew = true;
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}
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item.OfficialRating = GetOfficialRating(channelInfo.ParentalRating);
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item.Overview = channelInfo.Description;
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item.HomePageUrl = channelInfo.HomePageUrl;
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item.OriginalChannelName = channelInfo.Name;
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if (string.IsNullOrEmpty(item.Name))
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{
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item.Name = channelInfo.Name;
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}
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await item.RefreshMetadata(new MetadataRefreshOptions
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{
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ForceSave = isNew
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}, cancellationToken);
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return item;
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}
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private string GetOfficialRating(ChannelParentalRating rating)
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{
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switch (rating)
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{
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case ChannelParentalRating.Adult:
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return "XXX";
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case ChannelParentalRating.UsR:
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return "R";
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case ChannelParentalRating.UsPG13:
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return "PG-13";
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case ChannelParentalRating.UsPG:
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return "PG";
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default:
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return null;
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}
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}
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public Channel GetChannel(string id)
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{
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return (Channel)_libraryManager.GetItemById(new Guid(id));
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}
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public IEnumerable<ChannelFeatures> GetAllChannelFeatures()
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{
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return GetAllChannels()
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.Select(GetChannelEntity)
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.OrderBy(i => i.SortName)
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.Select(i => GetChannelFeatures(i.Id.ToString("N")));
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}
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public ChannelFeatures GetChannelFeatures(string id)
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{
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var channel = GetChannel(id);
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var channelProvider = GetChannelProvider(channel);
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return GetChannelFeaturesDto(channel, channelProvider, channelProvider.GetChannelFeatures());
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}
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public ChannelFeatures GetChannelFeaturesDto(Channel channel,
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IChannel provider,
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InternalChannelFeatures features)
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{
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var isIndexable = provider is IIndexableChannel;
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var supportsLatest = provider is ISupportsLatestMedia;
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return new ChannelFeatures
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{
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CanFilter = !features.MaxPageSize.HasValue,
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CanSearch = provider is ISearchableChannel,
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ContentTypes = features.ContentTypes,
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DefaultSortFields = features.DefaultSortFields,
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MaxPageSize = features.MaxPageSize,
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MediaTypes = features.MediaTypes,
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SupportsSortOrderToggle = features.SupportsSortOrderToggle,
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SupportsLatestMedia = supportsLatest,
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Name = channel.Name,
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Id = channel.Id.ToString("N"),
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SupportsContentDownloading = isIndexable || supportsLatest
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};
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}
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private Guid GetInternalChannelId(string name)
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{
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if (string.IsNullOrWhiteSpace(name))
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{
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throw new ArgumentNullException("name");
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}
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return ("Channel " + name).GetMBId(typeof(Channel));
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}
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public async Task<QueryResult<BaseItemDto>> GetLatestChannelItems(AllChannelMediaQuery query, CancellationToken cancellationToken)
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{
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var user = string.IsNullOrWhiteSpace(query.UserId)
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? null
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: _userManager.GetUserById(query.UserId);
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|
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if (!string.IsNullOrWhiteSpace(query.UserId) && user == null)
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{
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throw new ArgumentException("User not found.");
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}
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|
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var channels = GetAllChannels();
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if (query.ChannelIds.Length > 0)
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{
|
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// Avoid implicitly captured closure
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var ids = query.ChannelIds;
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channels = channels
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.Where(i => ids.Contains(GetInternalChannelId(i.Name).ToString("N")))
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.ToArray();
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}
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|
|
// Avoid implicitly captured closure
|
|
var userId = query.UserId;
|
|
|
|
var tasks = channels
|
|
.Select(async i =>
|
|
{
|
|
var indexable = i as ISupportsLatestMedia;
|
|
|
|
if (indexable != null)
|
|
{
|
|
try
|
|
{
|
|
var result = await GetLatestItems(indexable, i, userId, cancellationToken).ConfigureAwait(false);
|
|
|
|
var resultItems = result.ToList();
|
|
|
|
return new Tuple<IChannel, ChannelItemResult>(i, new ChannelItemResult
|
|
{
|
|
Items = resultItems,
|
|
TotalRecordCount = resultItems.Count
|
|
});
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error getting all media from {0}", ex, i.Name);
|
|
}
|
|
}
|
|
return new Tuple<IChannel, ChannelItemResult>(i, new ChannelItemResult { });
|
|
});
|
|
|
|
var results = await Task.WhenAll(tasks).ConfigureAwait(false);
|
|
|
|
var totalCount = results.Length;
|
|
|
|
IEnumerable<Tuple<IChannel, ChannelItemInfo>> items = results
|
|
.SelectMany(i => i.Item2.Items.Select(m => new Tuple<IChannel, ChannelItemInfo>(i.Item1, m)));
|
|
|
|
if (query.ContentTypes.Length > 0)
|
|
{
|
|
// Avoid implicitly captured closure
|
|
var contentTypes = query.ContentTypes;
|
|
|
|
items = items.Where(i => contentTypes.Contains(i.Item2.ContentType));
|
|
}
|
|
|
|
// Avoid implicitly captured closure
|
|
var token = cancellationToken;
|
|
var itemTasks = items.Select(i =>
|
|
{
|
|
var channelProvider = i.Item1;
|
|
var internalChannelId = GetInternalChannelId(channelProvider.Name);
|
|
return GetChannelItemEntity(i.Item2, channelProvider, internalChannelId, token);
|
|
});
|
|
|
|
var internalItems = await Task.WhenAll(itemTasks).ConfigureAwait(false);
|
|
|
|
internalItems = ApplyFilters(internalItems, query.Filters, user).ToArray();
|
|
await RefreshIfNeeded(internalItems, cancellationToken).ConfigureAwait(false);
|
|
|
|
if (query.StartIndex.HasValue)
|
|
{
|
|
internalItems = internalItems.Skip(query.StartIndex.Value).ToArray();
|
|
}
|
|
if (query.Limit.HasValue)
|
|
{
|
|
internalItems = internalItems.Take(query.Limit.Value).ToArray();
|
|
}
|
|
|
|
var returnItemArray = internalItems.Select(i => _dtoService.GetBaseItemDto(i, query.Fields, user))
|
|
.ToArray();
|
|
|
|
return new QueryResult<BaseItemDto>
|
|
{
|
|
TotalRecordCount = totalCount,
|
|
Items = returnItemArray
|
|
};
|
|
}
|
|
|
|
private async Task<IEnumerable<ChannelItemInfo>> GetLatestItems(ISupportsLatestMedia indexable, IChannel channel, string userId, CancellationToken cancellationToken)
|
|
{
|
|
var cacheLength = TimeSpan.FromHours(12);
|
|
var cachePath = GetChannelDataCachePath(channel, userId, "channelmanager-latest", null, false);
|
|
|
|
try
|
|
{
|
|
if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow)
|
|
{
|
|
return _jsonSerializer.DeserializeFromFile<List<ChannelItemInfo>>(cachePath);
|
|
}
|
|
}
|
|
catch (FileNotFoundException)
|
|
{
|
|
|
|
}
|
|
catch (DirectoryNotFoundException)
|
|
{
|
|
|
|
}
|
|
|
|
await _resourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
|
|
|
|
try
|
|
{
|
|
try
|
|
{
|
|
if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow)
|
|
{
|
|
return _jsonSerializer.DeserializeFromFile<List<ChannelItemInfo>>(cachePath);
|
|
}
|
|
}
|
|
catch (FileNotFoundException)
|
|
{
|
|
|
|
}
|
|
catch (DirectoryNotFoundException)
|
|
{
|
|
|
|
}
|
|
|
|
var result = await indexable.GetLatestMedia(new ChannelLatestMediaSearch
|
|
{
|
|
UserId = userId
|
|
|
|
}, cancellationToken).ConfigureAwait(false);
|
|
|
|
var resultItems = result.ToList();
|
|
|
|
CacheResponse(resultItems, cachePath);
|
|
|
|
return resultItems;
|
|
}
|
|
finally
|
|
{
|
|
_resourcePool.Release();
|
|
}
|
|
}
|
|
|
|
public async Task<QueryResult<BaseItemDto>> GetAllMedia(AllChannelMediaQuery query, CancellationToken cancellationToken)
|
|
{
|
|
var user = string.IsNullOrWhiteSpace(query.UserId)
|
|
? null
|
|
: _userManager.GetUserById(query.UserId);
|
|
|
|
var channels = GetAllChannels();
|
|
|
|
if (query.ChannelIds.Length > 0)
|
|
{
|
|
// Avoid implicitly captured closure
|
|
var ids = query.ChannelIds;
|
|
channels = channels
|
|
.Where(i => ids.Contains(GetInternalChannelId(i.Name).ToString("N")))
|
|
.ToArray();
|
|
}
|
|
|
|
// Avoid implicitly captured closure
|
|
var userId = query.UserId;
|
|
|
|
var tasks = channels
|
|
.Select(async i =>
|
|
{
|
|
var indexable = i as IIndexableChannel;
|
|
|
|
if (indexable != null)
|
|
{
|
|
try
|
|
{
|
|
var result = await GetAllItems(indexable, i, userId, cancellationToken).ConfigureAwait(false);
|
|
|
|
return new Tuple<IChannel, ChannelItemResult>(i, result);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error getting all media from {0}", ex, i.Name);
|
|
}
|
|
}
|
|
return new Tuple<IChannel, ChannelItemResult>(i, new ChannelItemResult { });
|
|
});
|
|
|
|
var results = await Task.WhenAll(tasks).ConfigureAwait(false);
|
|
|
|
var totalCount = results.Length;
|
|
|
|
IEnumerable<Tuple<IChannel, ChannelItemInfo>> items = results
|
|
.SelectMany(i => i.Item2.Items.Select(m => new Tuple<IChannel, ChannelItemInfo>(i.Item1, m)))
|
|
.OrderBy(i => i.Item2.Name);
|
|
|
|
if (query.ContentTypes.Length > 0)
|
|
{
|
|
// Avoid implicitly captured closure
|
|
var contentTypes = query.ContentTypes;
|
|
|
|
items = items.Where(i => contentTypes.Contains(i.Item2.ContentType));
|
|
}
|
|
|
|
if (query.StartIndex.HasValue)
|
|
{
|
|
items = items.Skip(query.StartIndex.Value);
|
|
}
|
|
if (query.Limit.HasValue)
|
|
{
|
|
items = items.Take(query.Limit.Value);
|
|
}
|
|
|
|
// Avoid implicitly captured closure
|
|
var token = cancellationToken;
|
|
var itemTasks = items.Select(i =>
|
|
{
|
|
var channelProvider = i.Item1;
|
|
var internalChannelId = GetInternalChannelId(channelProvider.Name);
|
|
return GetChannelItemEntity(i.Item2, channelProvider, internalChannelId, token);
|
|
});
|
|
|
|
var internalItems = await Task.WhenAll(itemTasks).ConfigureAwait(false);
|
|
await RefreshIfNeeded(internalItems, cancellationToken).ConfigureAwait(false);
|
|
|
|
var returnItemArray = internalItems.Select(i => _dtoService.GetBaseItemDto(i, query.Fields, user))
|
|
.ToArray();
|
|
|
|
return new QueryResult<BaseItemDto>
|
|
{
|
|
TotalRecordCount = totalCount,
|
|
Items = returnItemArray
|
|
};
|
|
}
|
|
|
|
private async Task<ChannelItemResult> GetAllItems(IIndexableChannel indexable, IChannel channel, string userId, CancellationToken cancellationToken)
|
|
{
|
|
var cacheLength = TimeSpan.FromHours(12);
|
|
var cachePath = GetChannelDataCachePath(channel, userId, "channelmanager-allitems", null, false);
|
|
|
|
try
|
|
{
|
|
if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow)
|
|
{
|
|
return _jsonSerializer.DeserializeFromFile<ChannelItemResult>(cachePath);
|
|
}
|
|
}
|
|
catch (FileNotFoundException)
|
|
{
|
|
|
|
}
|
|
catch (DirectoryNotFoundException)
|
|
{
|
|
|
|
}
|
|
|
|
await _resourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
|
|
|
|
try
|
|
{
|
|
try
|
|
{
|
|
if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow)
|
|
{
|
|
return _jsonSerializer.DeserializeFromFile<ChannelItemResult>(cachePath);
|
|
}
|
|
}
|
|
catch (FileNotFoundException)
|
|
{
|
|
|
|
}
|
|
catch (DirectoryNotFoundException)
|
|
{
|
|
|
|
}
|
|
|
|
var result = await indexable.GetAllMedia(new InternalAllChannelMediaQuery
|
|
{
|
|
UserId = userId
|
|
|
|
}, cancellationToken).ConfigureAwait(false);
|
|
|
|
CacheResponse(result, cachePath);
|
|
|
|
return result;
|
|
}
|
|
finally
|
|
{
|
|
_resourcePool.Release();
|
|
}
|
|
}
|
|
|
|
public async Task<QueryResult<BaseItem>> GetChannelItemsInternal(ChannelItemQuery query, CancellationToken cancellationToken)
|
|
{
|
|
// Get the internal channel entity
|
|
var channel = GetChannel(query.ChannelId);
|
|
|
|
// Find the corresponding channel provider plugin
|
|
var channelProvider = GetChannelProvider(channel);
|
|
|
|
var channelInfo = channelProvider.GetChannelFeatures();
|
|
|
|
int? providerStartIndex = null;
|
|
int? providerLimit = null;
|
|
|
|
if (channelInfo.MaxPageSize.HasValue)
|
|
{
|
|
providerStartIndex = query.StartIndex;
|
|
|
|
if (query.Limit.HasValue && query.Limit.Value > channelInfo.MaxPageSize.Value)
|
|
{
|
|
throw new ArgumentException(string.Format("{0} channel only supports a maximum of {1} records at a time.", channel.Name, channelInfo.MaxPageSize.Value));
|
|
}
|
|
providerLimit = query.Limit;
|
|
|
|
// This will cause some providers to fail
|
|
if (providerLimit == 0)
|
|
{
|
|
providerLimit = 1;
|
|
}
|
|
}
|
|
|
|
var user = string.IsNullOrWhiteSpace(query.UserId)
|
|
? null
|
|
: _userManager.GetUserById(query.UserId);
|
|
|
|
ChannelItemSortField? sortField = null;
|
|
ChannelItemSortField parsedField;
|
|
if (query.SortBy.Length == 1 &&
|
|
Enum.TryParse(query.SortBy[0], true, out parsedField))
|
|
{
|
|
sortField = parsedField;
|
|
}
|
|
|
|
var sortDescending = query.SortOrder.HasValue && query.SortOrder.Value == SortOrder.Descending;
|
|
|
|
var itemsResult = await GetChannelItems(channelProvider,
|
|
user,
|
|
query.FolderId,
|
|
providerStartIndex,
|
|
providerLimit,
|
|
sortField,
|
|
sortDescending,
|
|
cancellationToken)
|
|
.ConfigureAwait(false);
|
|
|
|
var providerTotalRecordCount = providerLimit.HasValue ? itemsResult.TotalRecordCount : null;
|
|
|
|
var tasks = itemsResult.Items.Select(i => GetChannelItemEntity(i, channelProvider, channel.Id, cancellationToken));
|
|
|
|
var internalItems = await Task.WhenAll(tasks).ConfigureAwait(false);
|
|
|
|
if (user != null)
|
|
{
|
|
internalItems = internalItems.Where(i => i.IsVisible(user)).ToArray();
|
|
|
|
if (providerTotalRecordCount.HasValue)
|
|
{
|
|
providerTotalRecordCount = providerTotalRecordCount.Value;
|
|
}
|
|
}
|
|
|
|
return await GetReturnItems(internalItems, providerTotalRecordCount, user, query, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
|
|
public async Task<QueryResult<BaseItemDto>> GetChannelItems(ChannelItemQuery query, CancellationToken cancellationToken)
|
|
{
|
|
var user = string.IsNullOrWhiteSpace(query.UserId)
|
|
? null
|
|
: _userManager.GetUserById(query.UserId);
|
|
|
|
var internalResult = await GetChannelItemsInternal(query, cancellationToken).ConfigureAwait(false);
|
|
|
|
// Get everything
|
|
var fields = Enum.GetNames(typeof(ItemFields))
|
|
.Select(i => (ItemFields)Enum.Parse(typeof(ItemFields), i, true))
|
|
.ToList();
|
|
|
|
var returnItems = internalResult.Items.Select(i => _dtoService.GetBaseItemDto(i, fields, user))
|
|
.ToArray();
|
|
|
|
var result = new QueryResult<BaseItemDto>
|
|
{
|
|
Items = returnItems,
|
|
TotalRecordCount = internalResult.TotalRecordCount
|
|
};
|
|
|
|
return result;
|
|
}
|
|
|
|
private readonly SemaphoreSlim _resourcePool = new SemaphoreSlim(1, 1);
|
|
private async Task<ChannelItemResult> GetChannelItems(IChannel channel,
|
|
User user,
|
|
string folderId,
|
|
int? startIndex,
|
|
int? limit,
|
|
ChannelItemSortField? sortField,
|
|
bool sortDescending,
|
|
CancellationToken cancellationToken)
|
|
{
|
|
var userId = user.Id.ToString("N");
|
|
|
|
var cacheLength = CacheLength;
|
|
var cachePath = GetChannelDataCachePath(channel, userId, folderId, sortField, sortDescending);
|
|
|
|
try
|
|
{
|
|
if (!startIndex.HasValue && !limit.HasValue)
|
|
{
|
|
if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow)
|
|
{
|
|
return _jsonSerializer.DeserializeFromFile<ChannelItemResult>(cachePath);
|
|
}
|
|
}
|
|
}
|
|
catch (FileNotFoundException)
|
|
{
|
|
|
|
}
|
|
catch (DirectoryNotFoundException)
|
|
{
|
|
|
|
}
|
|
|
|
await _resourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
|
|
|
|
try
|
|
{
|
|
try
|
|
{
|
|
if (!startIndex.HasValue && !limit.HasValue)
|
|
{
|
|
if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow)
|
|
{
|
|
return _jsonSerializer.DeserializeFromFile<ChannelItemResult>(cachePath);
|
|
}
|
|
}
|
|
}
|
|
catch (FileNotFoundException)
|
|
{
|
|
|
|
}
|
|
catch (DirectoryNotFoundException)
|
|
{
|
|
|
|
}
|
|
|
|
var query = new InternalChannelItemQuery
|
|
{
|
|
UserId = userId,
|
|
StartIndex = startIndex,
|
|
Limit = limit,
|
|
SortBy = sortField,
|
|
SortDescending = sortDescending
|
|
};
|
|
|
|
if (!string.IsNullOrWhiteSpace(folderId))
|
|
{
|
|
var categoryItem = (IChannelItem)_libraryManager.GetItemById(new Guid(folderId));
|
|
|
|
query.FolderId = categoryItem.ExternalId;
|
|
}
|
|
|
|
var result = await channel.GetChannelItems(query, cancellationToken).ConfigureAwait(false);
|
|
|
|
if (!startIndex.HasValue && !limit.HasValue)
|
|
{
|
|
CacheResponse(result, cachePath);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
finally
|
|
{
|
|
_resourcePool.Release();
|
|
}
|
|
}
|
|
|
|
private void CacheResponse(object result, string path)
|
|
{
|
|
try
|
|
{
|
|
Directory.CreateDirectory(Path.GetDirectoryName(path));
|
|
|
|
_jsonSerializer.SerializeToFile(result, path);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_logger.ErrorException("Error writing to channel cache file: {0}", ex, path);
|
|
}
|
|
}
|
|
|
|
private string GetChannelDataCachePath(IChannel channel,
|
|
string userId,
|
|
string folderId,
|
|
ChannelItemSortField? sortField,
|
|
bool sortDescending)
|
|
{
|
|
var channelId = GetInternalChannelId(channel.Name).ToString("N");
|
|
|
|
var userCacheKey = string.Empty;
|
|
|
|
var hasCacheKey = channel as IHasCacheKey;
|
|
if (hasCacheKey != null)
|
|
{
|
|
userCacheKey = hasCacheKey.GetCacheKey(userId) ?? string.Empty;
|
|
}
|
|
|
|
var filename = string.IsNullOrWhiteSpace(folderId) ? "root" : folderId;
|
|
filename += userCacheKey;
|
|
|
|
var version = (channel.DataVersion ?? string.Empty).GetMD5().ToString("N");
|
|
|
|
if (sortField.HasValue)
|
|
{
|
|
filename += "-sortField-" + sortField.Value;
|
|
}
|
|
if (sortDescending)
|
|
{
|
|
filename += "-sortDescending";
|
|
}
|
|
|
|
filename = filename.GetMD5().ToString("N");
|
|
|
|
return Path.Combine(_config.ApplicationPaths.CachePath,
|
|
"channels",
|
|
channelId,
|
|
version,
|
|
filename + ".json");
|
|
}
|
|
|
|
private async Task<QueryResult<BaseItem>> GetReturnItems(IEnumerable<BaseItem> items, int? totalCountFromProvider, User user, ChannelItemQuery query, CancellationToken cancellationToken)
|
|
{
|
|
items = ApplyFilters(items, query.Filters, user);
|
|
|
|
var sortBy = query.SortBy.Length == 0 ? new[] { ItemSortBy.SortName } : query.SortBy;
|
|
items = _libraryManager.Sort(items, user, sortBy, query.SortOrder ?? SortOrder.Ascending);
|
|
|
|
var all = items.ToList();
|
|
var totalCount = totalCountFromProvider ?? all.Count;
|
|
|
|
if (!totalCountFromProvider.HasValue)
|
|
{
|
|
if (query.StartIndex.HasValue)
|
|
{
|
|
all = all.Skip(query.StartIndex.Value).ToList();
|
|
}
|
|
if (query.Limit.HasValue)
|
|
{
|
|
all = all.Take(query.Limit.Value).ToList();
|
|
}
|
|
}
|
|
|
|
await RefreshIfNeeded(all, cancellationToken).ConfigureAwait(false);
|
|
|
|
var returnItemArray = all.ToArray();
|
|
|
|
return new QueryResult<BaseItem>
|
|
{
|
|
Items = returnItemArray,
|
|
TotalRecordCount = totalCount
|
|
};
|
|
}
|
|
|
|
private string GetIdToHash(string externalId, IChannel channelProvider)
|
|
{
|
|
// Increment this as needed to force new downloads
|
|
// Incorporate Name because it's being used to convert channel entity to provider
|
|
return externalId + (channelProvider.DataVersion ?? string.Empty) +
|
|
(channelProvider.Name ?? string.Empty) + "16";
|
|
}
|
|
|
|
private async Task<BaseItem> GetChannelItemEntity(ChannelItemInfo info, IChannel channelProvider, Guid internalChannelId, CancellationToken cancellationToken)
|
|
{
|
|
BaseItem item;
|
|
Guid id;
|
|
var isNew = false;
|
|
|
|
var idToHash = GetIdToHash(info.Id, channelProvider);
|
|
|
|
if (info.Type == ChannelItemType.Folder)
|
|
{
|
|
id = idToHash.GetMBId(typeof(ChannelFolderItem));
|
|
|
|
item = _libraryManager.GetItemById(id) as ChannelFolderItem;
|
|
|
|
if (item == null)
|
|
{
|
|
isNew = true;
|
|
item = new ChannelFolderItem();
|
|
}
|
|
}
|
|
else if (info.MediaType == ChannelMediaType.Audio)
|
|
{
|
|
id = idToHash.GetMBId(typeof(ChannelAudioItem));
|
|
|
|
item = _libraryManager.GetItemById(id) as ChannelAudioItem;
|
|
|
|
if (item == null)
|
|
{
|
|
isNew = true;
|
|
item = new ChannelAudioItem();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
id = idToHash.GetMBId(typeof(ChannelVideoItem));
|
|
|
|
item = _libraryManager.GetItemById(id) as ChannelVideoItem;
|
|
|
|
if (item == null)
|
|
{
|
|
isNew = true;
|
|
item = new ChannelVideoItem();
|
|
}
|
|
}
|
|
|
|
item.Id = id;
|
|
item.RunTimeTicks = info.RunTimeTicks;
|
|
|
|
if (isNew)
|
|
{
|
|
item.Name = info.Name;
|
|
item.Genres = info.Genres;
|
|
item.Studios = info.Studios;
|
|
item.CommunityRating = info.CommunityRating;
|
|
item.OfficialRating = info.OfficialRating;
|
|
item.Overview = info.Overview;
|
|
item.IndexNumber = info.IndexNumber;
|
|
item.ParentIndexNumber = info.ParentIndexNumber;
|
|
item.People = info.People;
|
|
item.PremiereDate = info.PremiereDate;
|
|
item.ProductionYear = info.ProductionYear;
|
|
item.ProviderIds = info.ProviderIds;
|
|
|
|
item.DateCreated = info.DateCreated.HasValue ?
|
|
info.DateCreated.Value :
|
|
DateTime.UtcNow;
|
|
}
|
|
|
|
var channelItem = (IChannelItem)item;
|
|
|
|
channelItem.OriginalImageUrl = info.ImageUrl;
|
|
channelItem.ExternalId = info.Id;
|
|
channelItem.ChannelId = internalChannelId.ToString("N");
|
|
channelItem.ChannelItemType = info.Type;
|
|
|
|
if (isNew)
|
|
{
|
|
channelItem.Tags = info.Tags;
|
|
}
|
|
|
|
var channelMediaItem = item as IChannelMediaItem;
|
|
|
|
if (channelMediaItem != null)
|
|
{
|
|
channelMediaItem.ContentType = info.ContentType;
|
|
channelMediaItem.ChannelMediaSources = info.MediaSources;
|
|
|
|
var mediaSource = info.MediaSources.FirstOrDefault();
|
|
|
|
item.Path = mediaSource == null ? null : mediaSource.Path;
|
|
|
|
item.DisplayMediaType = channelMediaItem.ContentType.ToString();
|
|
}
|
|
|
|
if (isNew)
|
|
{
|
|
await _libraryManager.CreateItem(item, cancellationToken).ConfigureAwait(false);
|
|
_libraryManager.RegisterItem(item);
|
|
}
|
|
|
|
return item;
|
|
}
|
|
|
|
private async Task RefreshIfNeeded(IEnumerable<BaseItem> programs, CancellationToken cancellationToken)
|
|
{
|
|
foreach (var program in programs)
|
|
{
|
|
await RefreshIfNeeded(program, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
}
|
|
|
|
private async Task RefreshIfNeeded(BaseItem program, CancellationToken cancellationToken)
|
|
{
|
|
if (_refreshedItems.ContainsKey(program.Id))
|
|
{
|
|
return;
|
|
}
|
|
|
|
await program.RefreshMetadata(cancellationToken).ConfigureAwait(false);
|
|
|
|
_refreshedItems.TryAdd(program.Id, true);
|
|
}
|
|
|
|
internal IChannel GetChannelProvider(Channel channel)
|
|
{
|
|
return GetAllChannels().First(i => string.Equals(i.Name, channel.OriginalChannelName, StringComparison.OrdinalIgnoreCase));
|
|
}
|
|
|
|
private IEnumerable<BaseItem> ApplyFilters(IEnumerable<BaseItem> items, IEnumerable<ItemFilter> filters, User user)
|
|
{
|
|
foreach (var filter in filters.OrderByDescending(f => (int)f))
|
|
{
|
|
items = ApplyFilter(items, filter, user);
|
|
}
|
|
|
|
return items;
|
|
}
|
|
|
|
private IEnumerable<BaseItem> ApplyFilter(IEnumerable<BaseItem> items, ItemFilter filter, User user)
|
|
{
|
|
// Avoid implicitly captured closure
|
|
var currentUser = user;
|
|
|
|
switch (filter)
|
|
{
|
|
case ItemFilter.IsFavoriteOrLikes:
|
|
return items.Where(item =>
|
|
{
|
|
var userdata = _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
|
|
|
|
if (userdata == null)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
var likes = userdata.Likes ?? false;
|
|
var favorite = userdata.IsFavorite;
|
|
|
|
return likes || favorite;
|
|
});
|
|
|
|
case ItemFilter.Likes:
|
|
return items.Where(item =>
|
|
{
|
|
var userdata = _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
|
|
|
|
return userdata != null && userdata.Likes.HasValue && userdata.Likes.Value;
|
|
});
|
|
|
|
case ItemFilter.Dislikes:
|
|
return items.Where(item =>
|
|
{
|
|
var userdata = _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
|
|
|
|
return userdata != null && userdata.Likes.HasValue && !userdata.Likes.Value;
|
|
});
|
|
|
|
case ItemFilter.IsFavorite:
|
|
return items.Where(item =>
|
|
{
|
|
var userdata = _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
|
|
|
|
return userdata != null && userdata.IsFavorite;
|
|
});
|
|
|
|
case ItemFilter.IsResumable:
|
|
return items.Where(item =>
|
|
{
|
|
var userdata = _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
|
|
|
|
return userdata != null && userdata.PlaybackPositionTicks > 0;
|
|
});
|
|
|
|
case ItemFilter.IsPlayed:
|
|
return items.Where(item => item.IsPlayed(currentUser));
|
|
|
|
case ItemFilter.IsUnplayed:
|
|
return items.Where(item => item.IsUnplayed(currentUser));
|
|
|
|
case ItemFilter.IsFolder:
|
|
return items.Where(item => item.IsFolder);
|
|
|
|
case ItemFilter.IsNotFolder:
|
|
return items.Where(item => !item.IsFolder);
|
|
}
|
|
|
|
return items;
|
|
}
|
|
|
|
public async Task<BaseItemDto> GetChannelFolder(string userId, CancellationToken cancellationToken)
|
|
{
|
|
var user = string.IsNullOrEmpty(userId) ? null : _userManager.GetUserById(userId);
|
|
|
|
// Get everything
|
|
var fields = Enum.GetNames(typeof(ItemFields)).Select(i => (ItemFields)Enum.Parse(typeof(ItemFields), i, true)).ToList();
|
|
|
|
var folder = await GetInternalChannelFolder(userId, cancellationToken).ConfigureAwait(false);
|
|
|
|
return _dtoService.GetBaseItemDto(folder, fields, user);
|
|
}
|
|
|
|
public async Task<Folder> GetInternalChannelFolder(string userId, CancellationToken cancellationToken)
|
|
{
|
|
var name = _localization.GetLocalizedString("ViewTypeChannels");
|
|
return await _libraryManager.GetNamedView(name, "channels", "zz_" + name, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
if (_refreshTimer != null)
|
|
{
|
|
_refreshTimer.Dispose();
|
|
_refreshTimer = null;
|
|
}
|
|
}
|
|
}
|
|
}
|