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			1636 lines
		
	
	
		
			56 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			1636 lines
		
	
	
		
			56 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
using MediaBrowser.Common.Extensions;
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using MediaBrowser.Common.Net;
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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.Providers;
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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.Extensions;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.MediaInfo;
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using MediaBrowser.Model.Net;
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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.Net;
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using System.Threading;
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using System.Threading.Tasks;
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using MediaBrowser.Common.Progress;
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using MediaBrowser.Model.IO;
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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.IO;
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using MediaBrowser.Controller.Plugins;
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using MediaBrowser.Model.Globalization;
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using MediaBrowser.Model.Tasks;
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namespace Emby.Server.Implementations.Channels
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{
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    public class ChannelManager : IChannelManager
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    {
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        internal IChannel[] Channels { get; private set; }
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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 IHttpClient _httpClient;
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        private readonly IProviderManager _providerManager;
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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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        public ChannelManager(IUserManager userManager, IDtoService dtoService, ILibraryManager libraryManager, ILogger logger, IServerConfigurationManager config, IFileSystem fileSystem, IUserDataManager userDataManager, IJsonSerializer jsonSerializer, ILocalizationManager localization, IHttpClient httpClient, IProviderManager providerManager)
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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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            _httpClient = httpClient;
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            _providerManager = providerManager;
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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(6);
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            }
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        }
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        public void AddParts(IEnumerable<IChannel> channels)
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        {
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            Channels = channels.ToArray();
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        }
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        private IEnumerable<IChannel> GetAllChannels()
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        {
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            return Channels
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                .OrderBy(i => i.Name);
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        }
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        public IEnumerable<Guid> GetInstalledChannelIds()
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        {
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            return GetAllChannels().Select(i => GetInternalChannelId(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 =>
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                {
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                    try
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                    {
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                        return GetChannelProvider(i) is ISupportsLatestMedia == val;
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                    }
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                    catch
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                    {
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                        return false;
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                    }
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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, i).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 =>
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                {
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                    if (!i.IsVisible(user))
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                    {
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                        return false;
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                    }
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                    try
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                    {
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                        return GetChannelProvider(i).IsEnabledFor(user.Id.ToString("N"));
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                    }
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                    catch
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                    {
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                        return false;
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                    }
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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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            var dtoOptions = new DtoOptions()
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            {
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            };
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            var returnItems = (await _dtoService.GetBaseItemDtos(internalResult.Items, dtoOptions, user).ConfigureAwait(false))
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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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            _refreshedItems.Clear();
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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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                    await GetChannel(channelInfo, cancellationToken).ConfigureAwait(false);
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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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            }
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            return item;
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        }
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        private List<ChannelMediaInfo> GetSavedMediaSources(BaseItem item)
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        {
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            var path = Path.Combine(item.GetInternalMetadataPath(), "channelmediasources.json");
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            try
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            {
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                return _jsonSerializer.DeserializeFromFile<List<ChannelMediaInfo>>(path) ?? new List<ChannelMediaInfo>();
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            }
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            catch
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            {
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                return new List<ChannelMediaInfo>();
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            }
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        }
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        private void SaveMediaSources(BaseItem item, List<ChannelMediaInfo> mediaSources)
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        {
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            var path = Path.Combine(item.GetInternalMetadataPath(), "channelmediasources.json");
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            if (mediaSources == null || mediaSources.Count == 0)
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            {
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                try
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                {
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                    _fileSystem.DeleteFile(path);
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                }
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                catch
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                {
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                }
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                return;
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            }
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            _fileSystem.CreateDirectory(_fileSystem.GetDirectoryName(path));
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            _jsonSerializer.SerializeToFile(mediaSources, path);
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        }
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        public IEnumerable<MediaSourceInfo> GetStaticMediaSources(BaseItem item, CancellationToken cancellationToken)
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        {
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            IEnumerable<ChannelMediaInfo> results = GetSavedMediaSources(item);
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            return SortMediaInfoResults(results)
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                .Select(i => GetMediaSource(item, i))
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                .ToList();
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        }
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        public async Task<IEnumerable<MediaSourceInfo>> GetDynamicMediaSources(BaseItem item, CancellationToken cancellationToken)
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        {
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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, GetItemExternalId(item), 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 = new List<ChannelMediaInfo>();
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            }
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            return SortMediaInfoResults(results)
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                .Select(i => GetMediaSource(item, i))
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                .ToList();
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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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        private MediaSourceInfo GetMediaSource(BaseItem item, ChannelMediaInfo info)
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        {
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            var source = info.ToMediaSource(item.Id);
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            source.RunTimeTicks = source.RunTimeTicks ?? item.RunTimeTicks;
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            return source;
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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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                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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						|
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						|
                return res;
 | 
						|
            }
 | 
						|
 | 
						|
            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)
 | 
						|
        {
 | 
						|
            var parentFolder = await GetInternalChannelFolder(cancellationToken).ConfigureAwait(false);
 | 
						|
            var parentFolderId = parentFolder.Id;
 | 
						|
 | 
						|
            var id = GetInternalChannelId(channelInfo.Name);
 | 
						|
            var idString = id.ToString("N");
 | 
						|
 | 
						|
            var path = Channel.GetInternalMetadataPath(_config.ApplicationPaths.InternalMetadataPath, id);
 | 
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            var isNew = false;
 | 
						|
            var forceUpdate = false;
 | 
						|
 | 
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            var item = _libraryManager.GetItemById(id) as Channel;
 | 
						|
 | 
						|
            if (item == null)
 | 
						|
            {
 | 
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                item = new Channel
 | 
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                {
 | 
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                    Name = channelInfo.Name,
 | 
						|
                    Id = id,
 | 
						|
                    DateCreated = _fileSystem.GetCreationTimeUtc(path),
 | 
						|
                    DateModified = _fileSystem.GetLastWriteTimeUtc(path)
 | 
						|
                };
 | 
						|
 | 
						|
                isNew = true;
 | 
						|
            }
 | 
						|
 | 
						|
            if (!string.Equals(item.Path, path, StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                isNew = true;
 | 
						|
            }
 | 
						|
            item.Path = path;
 | 
						|
 | 
						|
            if (!string.Equals(item.ChannelId, idString, StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                forceUpdate = true;
 | 
						|
            }
 | 
						|
            item.ChannelId = idString;
 | 
						|
 | 
						|
            if (item.ParentId != parentFolderId)
 | 
						|
            {
 | 
						|
                forceUpdate = true;
 | 
						|
            }
 | 
						|
            item.ParentId = parentFolderId;
 | 
						|
 | 
						|
            item.OfficialRating = GetOfficialRating(channelInfo.ParentalRating);
 | 
						|
            item.Overview = channelInfo.Description;
 | 
						|
            item.HomePageUrl = channelInfo.HomePageUrl;
 | 
						|
 | 
						|
            if (string.IsNullOrWhiteSpace(item.Name))
 | 
						|
            {
 | 
						|
                item.Name = channelInfo.Name;
 | 
						|
            }
 | 
						|
 | 
						|
            if (isNew)
 | 
						|
            {
 | 
						|
                await _libraryManager.CreateItem(item, cancellationToken).ConfigureAwait(false);
 | 
						|
            }
 | 
						|
            else if (forceUpdate)
 | 
						|
            {
 | 
						|
                await item.UpdateToRepository(ItemUpdateType.None, cancellationToken).ConfigureAwait(false);
 | 
						|
            }
 | 
						|
 | 
						|
            await item.RefreshMetadata(new MetadataRefreshOptions(_fileSystem), cancellationToken);
 | 
						|
            return item;
 | 
						|
        }
 | 
						|
 | 
						|
        private string GetOfficialRating(ChannelParentalRating rating)
 | 
						|
        {
 | 
						|
            switch (rating)
 | 
						|
            {
 | 
						|
                case ChannelParentalRating.Adult:
 | 
						|
                    return "XXX";
 | 
						|
                case ChannelParentalRating.UsR:
 | 
						|
                    return "R";
 | 
						|
                case ChannelParentalRating.UsPG13:
 | 
						|
                    return "PG-13";
 | 
						|
                case ChannelParentalRating.UsPG:
 | 
						|
                    return "PG";
 | 
						|
                default:
 | 
						|
                    return null;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        public Channel GetChannel(string id)
 | 
						|
        {
 | 
						|
            return _libraryManager.GetItemById(id) as Channel;
 | 
						|
        }
 | 
						|
 | 
						|
        public IEnumerable<ChannelFeatures> GetAllChannelFeatures()
 | 
						|
        {
 | 
						|
            return _libraryManager.GetItemIds(new InternalItemsQuery
 | 
						|
            {
 | 
						|
                IncludeItemTypes = new[] { typeof(Channel).Name },
 | 
						|
                SortBy = new[] { ItemSortBy.SortName }
 | 
						|
 | 
						|
            }).Select(i => GetChannelFeatures(i.ToString("N")));
 | 
						|
        }
 | 
						|
 | 
						|
        public ChannelFeatures GetChannelFeatures(string id)
 | 
						|
        {
 | 
						|
            if (string.IsNullOrWhiteSpace(id))
 | 
						|
            {
 | 
						|
                throw new ArgumentNullException("id");
 | 
						|
            }
 | 
						|
 | 
						|
            var channel = GetChannel(id);
 | 
						|
            var channelProvider = GetChannelProvider(channel);
 | 
						|
 | 
						|
            return GetChannelFeaturesDto(channel, channelProvider, channelProvider.GetChannelFeatures());
 | 
						|
        }
 | 
						|
 | 
						|
        public bool SupportsSync(string channelId)
 | 
						|
        {
 | 
						|
            if (string.IsNullOrWhiteSpace(channelId))
 | 
						|
            {
 | 
						|
                throw new ArgumentNullException("channelId");
 | 
						|
            }
 | 
						|
 | 
						|
            //var channel = GetChannel(channelId);
 | 
						|
            var channelProvider = GetChannelProvider(channelId);
 | 
						|
 | 
						|
            return channelProvider.GetChannelFeatures().SupportsContentDownloading;
 | 
						|
        }
 | 
						|
 | 
						|
        public ChannelFeatures GetChannelFeaturesDto(Channel channel,
 | 
						|
            IChannel provider,
 | 
						|
            InternalChannelFeatures features)
 | 
						|
        {
 | 
						|
            var isIndexable = provider is IIndexableChannel;
 | 
						|
            var supportsLatest = provider is ISupportsLatestMedia;
 | 
						|
 | 
						|
            return new ChannelFeatures
 | 
						|
            {
 | 
						|
                CanFilter = !features.MaxPageSize.HasValue,
 | 
						|
                CanSearch = provider is ISearchableChannel,
 | 
						|
                ContentTypes = features.ContentTypes,
 | 
						|
                DefaultSortFields = features.DefaultSortFields,
 | 
						|
                MaxPageSize = features.MaxPageSize,
 | 
						|
                MediaTypes = features.MediaTypes,
 | 
						|
                SupportsSortOrderToggle = features.SupportsSortOrderToggle,
 | 
						|
                SupportsLatestMedia = supportsLatest,
 | 
						|
                Name = channel.Name,
 | 
						|
                Id = channel.Id.ToString("N"),
 | 
						|
                SupportsContentDownloading = features.SupportsContentDownloading && (isIndexable || supportsLatest),
 | 
						|
                AutoRefreshLevels = features.AutoRefreshLevels
 | 
						|
            };
 | 
						|
        }
 | 
						|
 | 
						|
        private Guid GetInternalChannelId(string name)
 | 
						|
        {
 | 
						|
            if (string.IsNullOrWhiteSpace(name))
 | 
						|
            {
 | 
						|
                throw new ArgumentNullException("name");
 | 
						|
            }
 | 
						|
            return _libraryManager.GetNewItemId("Channel " + name, typeof(Channel));
 | 
						|
        }
 | 
						|
 | 
						|
        public async Task<QueryResult<BaseItemDto>> GetLatestChannelItems(AllChannelMediaQuery query, CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            var user = string.IsNullOrWhiteSpace(query.UserId)
 | 
						|
                ? null
 | 
						|
                : _userManager.GetUserById(query.UserId);
 | 
						|
 | 
						|
            var limit = query.Limit;
 | 
						|
 | 
						|
            // See below about parental control
 | 
						|
            if (user != null)
 | 
						|
            {
 | 
						|
                query.StartIndex = null;
 | 
						|
                query.Limit = null;
 | 
						|
            }
 | 
						|
 | 
						|
            var internalResult = await GetLatestChannelItemsInternal(query, cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
            var items = internalResult.Items;
 | 
						|
            var totalRecordCount = internalResult.TotalRecordCount;
 | 
						|
 | 
						|
            // Supporting parental control is a hack because it has to be done after querying the remote data source
 | 
						|
            // This will get screwy if apps try to page, so limit to 10 results in an attempt to always keep them on the first page
 | 
						|
            if (user != null)
 | 
						|
            {
 | 
						|
                items = items.Where(i => i.IsVisible(user))
 | 
						|
                    .Take(limit ?? 10)
 | 
						|
                    .ToArray();
 | 
						|
 | 
						|
                totalRecordCount = items.Length;
 | 
						|
            }
 | 
						|
 | 
						|
            var dtoOptions = new DtoOptions()
 | 
						|
            {
 | 
						|
                Fields = query.Fields.ToList()
 | 
						|
            };
 | 
						|
 | 
						|
            var returnItems = (await _dtoService.GetBaseItemDtos(items, dtoOptions, user).ConfigureAwait(false))
 | 
						|
                .ToArray();
 | 
						|
 | 
						|
            var result = new QueryResult<BaseItemDto>
 | 
						|
            {
 | 
						|
                Items = returnItems,
 | 
						|
                TotalRecordCount = totalRecordCount
 | 
						|
            };
 | 
						|
 | 
						|
            return result;
 | 
						|
        }
 | 
						|
 | 
						|
        public async Task<QueryResult<BaseItem>> GetLatestChannelItemsInternal(AllChannelMediaQuery query, CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            var user = string.IsNullOrWhiteSpace(query.UserId)
 | 
						|
                ? null
 | 
						|
                : _userManager.GetUserById(query.UserId);
 | 
						|
 | 
						|
            if (!string.IsNullOrWhiteSpace(query.UserId) && user == null)
 | 
						|
            {
 | 
						|
                throw new ArgumentException("User not found.");
 | 
						|
            }
 | 
						|
 | 
						|
            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 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));
 | 
						|
            }
 | 
						|
            if (query.ExtraTypes.Length > 0)
 | 
						|
            {
 | 
						|
                // Avoid implicitly captured closure
 | 
						|
                var contentTypes = query.ExtraTypes;
 | 
						|
 | 
						|
                items = items.Where(i => contentTypes.Contains(i.Item2.ExtraType));
 | 
						|
            }
 | 
						|
 | 
						|
            // 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();
 | 
						|
            RefreshIfNeeded(internalItems);
 | 
						|
 | 
						|
            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.ToArray();
 | 
						|
 | 
						|
            return new QueryResult<BaseItem>
 | 
						|
            {
 | 
						|
                TotalRecordCount = totalCount,
 | 
						|
                Items = returnItemArray
 | 
						|
            };
 | 
						|
        }
 | 
						|
 | 
						|
        private async Task<IEnumerable<ChannelItemInfo>> GetLatestItems(ISupportsLatestMedia indexable, IChannel channel, string userId, CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            var cacheLength = CacheLength;
 | 
						|
            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 (IOException)
 | 
						|
            {
 | 
						|
 | 
						|
            }
 | 
						|
 | 
						|
            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 (IOException)
 | 
						|
                {
 | 
						|
 | 
						|
                }
 | 
						|
 | 
						|
                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<BaseItem>> GetAllMediaInternal(AllChannelMediaQuery query, CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            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();
 | 
						|
            }
 | 
						|
 | 
						|
            var tasks = channels
 | 
						|
                .Select(async i =>
 | 
						|
                {
 | 
						|
                    var indexable = i as IIndexableChannel;
 | 
						|
 | 
						|
                    if (indexable != null)
 | 
						|
                    {
 | 
						|
                        try
 | 
						|
                        {
 | 
						|
                            var result = await GetAllItems(indexable, i, new InternalAllChannelMediaQuery
 | 
						|
                            {
 | 
						|
                                UserId = query.UserId,
 | 
						|
                                ContentTypes = query.ContentTypes,
 | 
						|
                                ExtraTypes = query.ExtraTypes,
 | 
						|
                                TrailerTypes = query.TrailerTypes
 | 
						|
 | 
						|
                            }, 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.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);
 | 
						|
 | 
						|
            var returnItemArray = internalItems.ToArray();
 | 
						|
 | 
						|
            return new QueryResult<BaseItem>
 | 
						|
            {
 | 
						|
                TotalRecordCount = totalCount,
 | 
						|
                Items = returnItemArray
 | 
						|
            };
 | 
						|
        }
 | 
						|
 | 
						|
        public async Task<QueryResult<BaseItemDto>> GetAllMedia(AllChannelMediaQuery query, CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            var user = string.IsNullOrWhiteSpace(query.UserId)
 | 
						|
                ? null
 | 
						|
                : _userManager.GetUserById(query.UserId);
 | 
						|
 | 
						|
            var internalResult = await GetAllMediaInternal(query, cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
            RefreshIfNeeded(internalResult.Items);
 | 
						|
 | 
						|
            var dtoOptions = new DtoOptions()
 | 
						|
            {
 | 
						|
                Fields = query.Fields.ToList()
 | 
						|
            };
 | 
						|
 | 
						|
            var returnItems = (await _dtoService.GetBaseItemDtos(internalResult.Items, dtoOptions, user).ConfigureAwait(false))
 | 
						|
                .ToArray();
 | 
						|
 | 
						|
            var result = new QueryResult<BaseItemDto>
 | 
						|
            {
 | 
						|
                Items = returnItems,
 | 
						|
                TotalRecordCount = internalResult.TotalRecordCount
 | 
						|
            };
 | 
						|
 | 
						|
            return result;
 | 
						|
        }
 | 
						|
 | 
						|
        private async Task<ChannelItemResult> GetAllItems(IIndexableChannel indexable, IChannel channel, InternalAllChannelMediaQuery query, CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            var cacheLength = CacheLength;
 | 
						|
            var folderId = _jsonSerializer.SerializeToString(query).GetMD5().ToString("N");
 | 
						|
            var cachePath = GetChannelDataCachePath(channel, query.UserId, folderId, null, false);
 | 
						|
 | 
						|
            try
 | 
						|
            {
 | 
						|
                if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow)
 | 
						|
                {
 | 
						|
                    return _jsonSerializer.DeserializeFromFile<ChannelItemResult>(cachePath);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            catch (FileNotFoundException)
 | 
						|
            {
 | 
						|
 | 
						|
            }
 | 
						|
            catch (IOException)
 | 
						|
            {
 | 
						|
 | 
						|
            }
 | 
						|
 | 
						|
            await _resourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
            try
 | 
						|
            {
 | 
						|
                try
 | 
						|
                {
 | 
						|
                    if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow)
 | 
						|
                    {
 | 
						|
                        return _jsonSerializer.DeserializeFromFile<ChannelItemResult>(cachePath);
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                catch (FileNotFoundException)
 | 
						|
                {
 | 
						|
 | 
						|
                }
 | 
						|
                catch (IOException)
 | 
						|
                {
 | 
						|
 | 
						|
                }
 | 
						|
 | 
						|
                var result = await indexable.GetAllMedia(query, cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
                CacheResponse(result, cachePath);
 | 
						|
 | 
						|
                return result;
 | 
						|
            }
 | 
						|
            finally
 | 
						|
            {
 | 
						|
                _resourcePool.Release();
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        public async Task<QueryResult<BaseItem>> GetChannelItemsInternal(ChannelItemQuery query, IProgress<double> progress, 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)
 | 
						|
                {
 | 
						|
                    query.Limit = Math.Min(query.Limit.Value, 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 GetReturnItems(internalItems, providerTotalRecordCount, user, query);
 | 
						|
        }
 | 
						|
 | 
						|
        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, new SimpleProgress<double>(), cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
            var dtoOptions = new DtoOptions()
 | 
						|
            {
 | 
						|
                Fields = query.Fields.ToList()
 | 
						|
            };
 | 
						|
 | 
						|
            var returnItems = (await _dtoService.GetBaseItemDtos(internalResult.Items, dtoOptions, user).ConfigureAwait(false))
 | 
						|
                .ToArray();
 | 
						|
 | 
						|
            var result = new QueryResult<BaseItemDto>
 | 
						|
            {
 | 
						|
                Items = returnItems,
 | 
						|
                TotalRecordCount = internalResult.TotalRecordCount
 | 
						|
            };
 | 
						|
 | 
						|
            return result;
 | 
						|
        }
 | 
						|
 | 
						|
        private string GetItemExternalId(BaseItem item)
 | 
						|
        {
 | 
						|
            var externalId = item.ExternalId;
 | 
						|
 | 
						|
            if (string.IsNullOrWhiteSpace(externalId))
 | 
						|
            {
 | 
						|
                externalId = item.GetProviderId("ProviderExternalId");
 | 
						|
            }
 | 
						|
 | 
						|
            return externalId;
 | 
						|
        }
 | 
						|
 | 
						|
        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)
 | 
						|
                    {
 | 
						|
                        var cachedResult = _jsonSerializer.DeserializeFromFile<ChannelItemResult>(cachePath);
 | 
						|
                        if (cachedResult != null)
 | 
						|
                        {
 | 
						|
                            return cachedResult;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            catch (FileNotFoundException)
 | 
						|
            {
 | 
						|
 | 
						|
            }
 | 
						|
            catch (IOException)
 | 
						|
            {
 | 
						|
 | 
						|
            }
 | 
						|
 | 
						|
            await _resourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
            try
 | 
						|
            {
 | 
						|
                try
 | 
						|
                {
 | 
						|
                    if (!startIndex.HasValue && !limit.HasValue)
 | 
						|
                    {
 | 
						|
                        if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow)
 | 
						|
                        {
 | 
						|
                            var cachedResult = _jsonSerializer.DeserializeFromFile<ChannelItemResult>(cachePath);
 | 
						|
                            if (cachedResult != null)
 | 
						|
                            {
 | 
						|
                                return cachedResult;
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                catch (FileNotFoundException)
 | 
						|
                {
 | 
						|
 | 
						|
                }
 | 
						|
                catch (IOException)
 | 
						|
                {
 | 
						|
 | 
						|
                }
 | 
						|
 | 
						|
                var query = new InternalChannelItemQuery
 | 
						|
                {
 | 
						|
                    UserId = userId,
 | 
						|
                    StartIndex = startIndex,
 | 
						|
                    Limit = limit,
 | 
						|
                    SortBy = sortField,
 | 
						|
                    SortDescending = sortDescending
 | 
						|
                };
 | 
						|
 | 
						|
                if (!string.IsNullOrWhiteSpace(folderId))
 | 
						|
                {
 | 
						|
                    var categoryItem = _libraryManager.GetItemById(new Guid(folderId));
 | 
						|
 | 
						|
                    query.FolderId = GetItemExternalId(categoryItem);
 | 
						|
                }
 | 
						|
 | 
						|
                var result = await channel.GetChannelItems(query, cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
                if (result == null)
 | 
						|
                {
 | 
						|
                    throw new InvalidOperationException("Channel returned a null result from GetChannelItems");
 | 
						|
                }
 | 
						|
 | 
						|
                if (!startIndex.HasValue && !limit.HasValue)
 | 
						|
                {
 | 
						|
                    CacheResponse(result, cachePath);
 | 
						|
                }
 | 
						|
 | 
						|
                return result;
 | 
						|
            }
 | 
						|
            finally
 | 
						|
            {
 | 
						|
                _resourcePool.Release();
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        private void CacheResponse(object result, string path)
 | 
						|
        {
 | 
						|
            try
 | 
						|
            {
 | 
						|
                _fileSystem.CreateDirectory(_fileSystem.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 QueryResult<BaseItem> GetReturnItems(IEnumerable<BaseItem> items,
 | 
						|
            int? totalCountFromProvider,
 | 
						|
            User user,
 | 
						|
            ChannelItemQuery query)
 | 
						|
        {
 | 
						|
            items = ApplyFilters(items, query.Filters, user);
 | 
						|
 | 
						|
            items = _libraryManager.Sort(items, user, query.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();
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            var returnItemArray = all.ToArray();
 | 
						|
            RefreshIfNeeded(returnItemArray);
 | 
						|
 | 
						|
            return new QueryResult<BaseItem>
 | 
						|
            {
 | 
						|
                Items = returnItemArray,
 | 
						|
                TotalRecordCount = totalCount
 | 
						|
            };
 | 
						|
        }
 | 
						|
 | 
						|
        private string GetIdToHash(string externalId, string channelName)
 | 
						|
        {
 | 
						|
            // Increment this as needed to force new downloads
 | 
						|
            // Incorporate Name because it's being used to convert channel entity to provider
 | 
						|
            return externalId + (channelName ?? string.Empty) + "16";
 | 
						|
        }
 | 
						|
 | 
						|
        private T GetItemById<T>(string idString, string channelName, string channnelDataVersion, out bool isNew)
 | 
						|
            where T : BaseItem, new()
 | 
						|
        {
 | 
						|
            var id = GetIdToHash(idString, channelName).GetMBId(typeof(T));
 | 
						|
 | 
						|
            T item = null;
 | 
						|
 | 
						|
            try
 | 
						|
            {
 | 
						|
                item = _libraryManager.GetItemById(id) as T;
 | 
						|
            }
 | 
						|
            catch (Exception ex)
 | 
						|
            {
 | 
						|
                _logger.ErrorException("Error retrieving channel item from database", ex);
 | 
						|
            }
 | 
						|
 | 
						|
            if (item == null || !string.Equals(item.ExternalEtag, channnelDataVersion, StringComparison.Ordinal))
 | 
						|
            {
 | 
						|
                item = new T();
 | 
						|
                isNew = true;
 | 
						|
            }
 | 
						|
            else
 | 
						|
            {
 | 
						|
                isNew = false;
 | 
						|
            }
 | 
						|
 | 
						|
            item.ExternalEtag = channnelDataVersion;
 | 
						|
            item.Id = id;
 | 
						|
            return item;
 | 
						|
        }
 | 
						|
 | 
						|
        private async Task<BaseItem> GetChannelItemEntity(ChannelItemInfo info, IChannel channelProvider, Guid internalChannelId, CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            BaseItem item;
 | 
						|
            bool isNew;
 | 
						|
            bool forceUpdate = false;
 | 
						|
 | 
						|
            if (info.Type == ChannelItemType.Folder)
 | 
						|
            {
 | 
						|
                if (info.FolderType == ChannelFolderType.MusicAlbum)
 | 
						|
                {
 | 
						|
                    item = GetItemById<MusicAlbum>(info.Id, channelProvider.Name, channelProvider.DataVersion, out isNew);
 | 
						|
                }
 | 
						|
                else if (info.FolderType == ChannelFolderType.MusicArtist)
 | 
						|
                {
 | 
						|
                    item = GetItemById<MusicArtist>(info.Id, channelProvider.Name, channelProvider.DataVersion, out isNew);
 | 
						|
                }
 | 
						|
                else if (info.FolderType == ChannelFolderType.PhotoAlbum)
 | 
						|
                {
 | 
						|
                    item = GetItemById<PhotoAlbum>(info.Id, channelProvider.Name, channelProvider.DataVersion, out isNew);
 | 
						|
                }
 | 
						|
                else if (info.FolderType == ChannelFolderType.Series)
 | 
						|
                {
 | 
						|
                    item = GetItemById<Series>(info.Id, channelProvider.Name, channelProvider.DataVersion, out isNew);
 | 
						|
                }
 | 
						|
                else if (info.FolderType == ChannelFolderType.Season)
 | 
						|
                {
 | 
						|
                    item = GetItemById<Season>(info.Id, channelProvider.Name, channelProvider.DataVersion, out isNew);
 | 
						|
                }
 | 
						|
                else
 | 
						|
                {
 | 
						|
                    item = GetItemById<Folder>(info.Id, channelProvider.Name, channelProvider.DataVersion, out isNew);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            else if (info.MediaType == ChannelMediaType.Audio)
 | 
						|
            {
 | 
						|
                if (info.ContentType == ChannelMediaContentType.Podcast)
 | 
						|
                {
 | 
						|
                    item = GetItemById<AudioPodcast>(info.Id, channelProvider.Name, channelProvider.DataVersion, out isNew);
 | 
						|
                }
 | 
						|
                else
 | 
						|
                {
 | 
						|
                    item = GetItemById<Audio>(info.Id, channelProvider.Name, channelProvider.DataVersion, out isNew);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            else
 | 
						|
            {
 | 
						|
                if (info.ContentType == ChannelMediaContentType.Episode)
 | 
						|
                {
 | 
						|
                    item = GetItemById<Episode>(info.Id, channelProvider.Name, channelProvider.DataVersion, out isNew);
 | 
						|
                }
 | 
						|
                else if (info.ContentType == ChannelMediaContentType.Movie)
 | 
						|
                {
 | 
						|
                    item = GetItemById<Movie>(info.Id, channelProvider.Name, channelProvider.DataVersion, out isNew);
 | 
						|
                }
 | 
						|
                else if (info.ContentType == ChannelMediaContentType.Trailer || info.ExtraType == ExtraType.Trailer)
 | 
						|
                {
 | 
						|
                    item = GetItemById<Trailer>(info.Id, channelProvider.Name, channelProvider.DataVersion, out isNew);
 | 
						|
                }
 | 
						|
                else
 | 
						|
                {
 | 
						|
                    item = GetItemById<Video>(info.Id, channelProvider.Name, channelProvider.DataVersion, out isNew);
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            item.RunTimeTicks = info.RunTimeTicks;
 | 
						|
 | 
						|
            if (isNew)
 | 
						|
            {
 | 
						|
                item.Name = info.Name;
 | 
						|
                item.Genres = info.Genres;
 | 
						|
                item.Studios = info.Studios;
 | 
						|
                item.CommunityRating = info.CommunityRating;
 | 
						|
                item.Overview = info.Overview;
 | 
						|
                item.IndexNumber = info.IndexNumber;
 | 
						|
                item.ParentIndexNumber = info.ParentIndexNumber;
 | 
						|
                item.PremiereDate = info.PremiereDate;
 | 
						|
                item.ProductionYear = info.ProductionYear;
 | 
						|
                item.ProviderIds = info.ProviderIds;
 | 
						|
                item.OfficialRating = info.OfficialRating;
 | 
						|
                item.DateCreated = info.DateCreated ?? DateTime.UtcNow;
 | 
						|
                item.Tags = info.Tags;
 | 
						|
                item.HomePageUrl = info.HomePageUrl;
 | 
						|
            }
 | 
						|
            else if (info.Type == ChannelItemType.Folder && info.FolderType == ChannelFolderType.Container)
 | 
						|
            {
 | 
						|
                // At least update names of container folders
 | 
						|
                if (item.Name != info.Name)
 | 
						|
                {
 | 
						|
                    item.Name = info.Name;
 | 
						|
                    forceUpdate = true;
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            var hasArtists = item as IHasArtist;
 | 
						|
            if (hasArtists != null)
 | 
						|
            {
 | 
						|
                hasArtists.Artists = info.Artists;
 | 
						|
            }
 | 
						|
 | 
						|
            var hasAlbumArtists = item as IHasAlbumArtist;
 | 
						|
            if (hasAlbumArtists != null)
 | 
						|
            {
 | 
						|
                hasAlbumArtists.AlbumArtists = info.AlbumArtists;
 | 
						|
            }
 | 
						|
 | 
						|
            var trailer = item as Trailer;
 | 
						|
            if (trailer != null)
 | 
						|
            {
 | 
						|
                if (!info.TrailerTypes.SequenceEqual(trailer.TrailerTypes))
 | 
						|
                {
 | 
						|
                    forceUpdate = true;
 | 
						|
                }
 | 
						|
                trailer.TrailerTypes = info.TrailerTypes;
 | 
						|
            }
 | 
						|
 | 
						|
            item.ChannelId = internalChannelId.ToString("N");
 | 
						|
 | 
						|
            if (item.ParentId != internalChannelId)
 | 
						|
            {
 | 
						|
                forceUpdate = true;
 | 
						|
            }
 | 
						|
            item.ParentId = internalChannelId;
 | 
						|
 | 
						|
            if (!string.Equals(item.ExternalId, info.Id, StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                forceUpdate = true;
 | 
						|
            }
 | 
						|
            item.ExternalId = info.Id;
 | 
						|
 | 
						|
            var channelAudioItem = item as Audio;
 | 
						|
            if (channelAudioItem != null)
 | 
						|
            {
 | 
						|
                channelAudioItem.ExtraType = info.ExtraType;
 | 
						|
 | 
						|
                var mediaSource = info.MediaSources.FirstOrDefault();
 | 
						|
                item.Path = mediaSource == null ? null : mediaSource.Path;
 | 
						|
            }
 | 
						|
 | 
						|
            var channelVideoItem = item as Video;
 | 
						|
            if (channelVideoItem != null)
 | 
						|
            {
 | 
						|
                channelVideoItem.ExtraType = info.ExtraType;
 | 
						|
 | 
						|
                var mediaSource = info.MediaSources.FirstOrDefault();
 | 
						|
                item.Path = mediaSource == null ? null : mediaSource.Path;
 | 
						|
            }
 | 
						|
 | 
						|
            if (!string.IsNullOrWhiteSpace(info.ImageUrl) && !item.HasImage(ImageType.Primary))
 | 
						|
            {
 | 
						|
                item.SetImagePath(ImageType.Primary, info.ImageUrl);
 | 
						|
            }
 | 
						|
 | 
						|
            if (isNew)
 | 
						|
            {
 | 
						|
                await _libraryManager.CreateItem(item, cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
                if (info.People != null && info.People.Count > 0)
 | 
						|
                {
 | 
						|
                    await _libraryManager.UpdatePeople(item, info.People ?? new List<PersonInfo>()).ConfigureAwait(false);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            else if (forceUpdate)
 | 
						|
            {
 | 
						|
                await item.UpdateToRepository(ItemUpdateType.None, cancellationToken).ConfigureAwait(false);
 | 
						|
            }
 | 
						|
 | 
						|
            SaveMediaSources(item, info.MediaSources);
 | 
						|
 | 
						|
            return item;
 | 
						|
        }
 | 
						|
 | 
						|
        private void RefreshIfNeeded(BaseItem[] programs)
 | 
						|
        {
 | 
						|
            foreach (var program in programs)
 | 
						|
            {
 | 
						|
                RefreshIfNeeded(program);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        private void RefreshIfNeeded(BaseItem program)
 | 
						|
        {
 | 
						|
            if (!_refreshedItems.ContainsKey(program.Id))
 | 
						|
            {
 | 
						|
                _refreshedItems.TryAdd(program.Id, true);
 | 
						|
                _providerManager.QueueRefresh(program.Id, new MetadataRefreshOptions(_fileSystem), RefreshPriority.Low);
 | 
						|
            }
 | 
						|
 | 
						|
        }
 | 
						|
 | 
						|
        internal IChannel GetChannelProvider(Channel channel)
 | 
						|
        {
 | 
						|
            if (channel == null)
 | 
						|
            {
 | 
						|
                throw new ArgumentNullException("channel");
 | 
						|
            }
 | 
						|
 | 
						|
            var result = GetAllChannels()
 | 
						|
                .FirstOrDefault(i => string.Equals(GetInternalChannelId(i.Name).ToString("N"), channel.ChannelId, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Name, channel.Name, StringComparison.OrdinalIgnoreCase));
 | 
						|
 | 
						|
            if (result == null)
 | 
						|
            {
 | 
						|
                throw new ResourceNotFoundException("No channel provider found for channel " + channel.Name);
 | 
						|
            }
 | 
						|
 | 
						|
            return result;
 | 
						|
        }
 | 
						|
 | 
						|
        internal IChannel GetChannelProvider(string internalChannelId)
 | 
						|
        {
 | 
						|
            if (internalChannelId == null)
 | 
						|
            {
 | 
						|
                throw new ArgumentNullException("internalChannelId");
 | 
						|
            }
 | 
						|
 | 
						|
            var result = GetAllChannels()
 | 
						|
                .FirstOrDefault(i => string.Equals(GetInternalChannelId(i.Name).ToString("N"), internalChannelId, StringComparison.OrdinalIgnoreCase));
 | 
						|
 | 
						|
            if (result == null)
 | 
						|
            {
 | 
						|
                throw new ResourceNotFoundException("No channel provider found for channel id " + internalChannelId);
 | 
						|
            }
 | 
						|
 | 
						|
            return result;
 | 
						|
        }
 | 
						|
 | 
						|
        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, item);
 | 
						|
 | 
						|
                        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, item);
 | 
						|
 | 
						|
                        return userdata != null && userdata.Likes.HasValue && userdata.Likes.Value;
 | 
						|
                    });
 | 
						|
 | 
						|
                case ItemFilter.Dislikes:
 | 
						|
                    return items.Where(item =>
 | 
						|
                    {
 | 
						|
                        var userdata = _userDataManager.GetUserData(user, item);
 | 
						|
 | 
						|
                        return userdata != null && userdata.Likes.HasValue && !userdata.Likes.Value;
 | 
						|
                    });
 | 
						|
 | 
						|
                case ItemFilter.IsFavorite:
 | 
						|
                    return items.Where(item =>
 | 
						|
                    {
 | 
						|
                        var userdata = _userDataManager.GetUserData(user, item);
 | 
						|
 | 
						|
                        return userdata != null && userdata.IsFavorite;
 | 
						|
                    });
 | 
						|
 | 
						|
                case ItemFilter.IsResumable:
 | 
						|
                    return items.Where(item =>
 | 
						|
                    {
 | 
						|
                        var userdata = _userDataManager.GetUserData(user, item);
 | 
						|
 | 
						|
                        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);
 | 
						|
 | 
						|
            var folder = await GetInternalChannelFolder(cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
            return _dtoService.GetBaseItemDto(folder, new DtoOptions(), user);
 | 
						|
        }
 | 
						|
 | 
						|
        public async Task<Folder> GetInternalChannelFolder(CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            var name = _localization.GetLocalizedString("ViewTypeChannels");
 | 
						|
 | 
						|
            return await _libraryManager.GetNamedView(name, "channels", "zz_" + name, cancellationToken).ConfigureAwait(false);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    public class ChannelsEntryPoint : IServerEntryPoint
 | 
						|
    {
 | 
						|
        private readonly IServerConfigurationManager _config;
 | 
						|
        private readonly IChannelManager _channelManager;
 | 
						|
        private readonly ITaskManager _taskManager;
 | 
						|
        private readonly IFileSystem _fileSystem;
 | 
						|
 | 
						|
        public ChannelsEntryPoint(IChannelManager channelManager, ITaskManager taskManager, IServerConfigurationManager config, IFileSystem fileSystem)
 | 
						|
        {
 | 
						|
            _channelManager = channelManager;
 | 
						|
            _taskManager = taskManager;
 | 
						|
            _config = config;
 | 
						|
            _fileSystem = fileSystem;
 | 
						|
        }
 | 
						|
 | 
						|
        public void Run()
 | 
						|
        {
 | 
						|
            var channels = ((ChannelManager)_channelManager).Channels
 | 
						|
                .Select(i => i.GetType().FullName.GetMD5().ToString("N"))
 | 
						|
                .ToArray();
 | 
						|
 | 
						|
            var channelsString = string.Join(",", channels);
 | 
						|
 | 
						|
            if (!string.Equals(channelsString, GetSavedLastChannels(), StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                _taskManager.QueueIfNotRunning<RefreshChannelsScheduledTask>();
 | 
						|
 | 
						|
                SetSavedLastChannels(channelsString);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        private string DataPath
 | 
						|
        {
 | 
						|
            get { return Path.Combine(_config.ApplicationPaths.DataPath, "channels.txt"); }
 | 
						|
        }
 | 
						|
 | 
						|
        private string GetSavedLastChannels()
 | 
						|
        {
 | 
						|
            try
 | 
						|
            {
 | 
						|
                return _fileSystem.ReadAllText(DataPath);
 | 
						|
            }
 | 
						|
            catch
 | 
						|
            {
 | 
						|
                return string.Empty;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        private void SetSavedLastChannels(string value)
 | 
						|
        {
 | 
						|
            try
 | 
						|
            {
 | 
						|
                if (string.IsNullOrWhiteSpace(value))
 | 
						|
                {
 | 
						|
                    _fileSystem.DeleteFile(DataPath);
 | 
						|
 | 
						|
                }
 | 
						|
                else
 | 
						|
                {
 | 
						|
                    _fileSystem.WriteAllText(DataPath, value);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            catch
 | 
						|
            {
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        public void Dispose()
 | 
						|
        {
 | 
						|
        }
 | 
						|
    }
 | 
						|
} |