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			1200 lines
		
	
	
		
			41 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			1200 lines
		
	
	
		
			41 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
#pragma warning disable CS1591
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#pragma warning disable SA1600
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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.Globalization;
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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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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Common.Progress;
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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.Entities.Audio;
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using MediaBrowser.Controller.Entities.Movies;
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using MediaBrowser.Controller.Entities.TV;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.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.IO;
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using MediaBrowser.Model.Querying;
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using MediaBrowser.Model.Serialization;
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using Microsoft.Extensions.Logging;
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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 IProviderManager _providerManager;
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        public ChannelManager(
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            IUserManager userManager,
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            IDtoService dtoService,
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            ILibraryManager libraryManager,
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            ILoggerFactory loggerFactory,
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            IServerConfigurationManager config,
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            IFileSystem fileSystem,
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            IUserDataManager userDataManager,
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            IJsonSerializer jsonSerializer,
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            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 = loggerFactory.CreateLogger(nameof(ChannelManager));
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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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            _providerManager = providerManager;
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        }
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        private static TimeSpan CacheLength => TimeSpan.FromHours(3);
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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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        public bool EnableMediaSourceDisplay(BaseItem item)
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        {
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            var internalChannel = _libraryManager.GetItemById(item.ChannelId);
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            var channel = Channels.FirstOrDefault(i => GetInternalChannelId(i.Name).Equals(internalChannel.Id));
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            return !(channel is IDisableMediaSourceDisplay);
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        }
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        public bool CanDelete(BaseItem item)
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        {
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            var internalChannel = _libraryManager.GetItemById(item.ChannelId);
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            var channel = Channels.FirstOrDefault(i => GetInternalChannelId(i.Name).Equals(internalChannel.Id));
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            var supportsDelete = channel as ISupportsDelete;
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            return supportsDelete != null && supportsDelete.CanDelete(item);
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        }
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        public bool EnableMediaProbe(BaseItem item)
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        {
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            var internalChannel = _libraryManager.GetItemById(item.ChannelId);
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            var channel = Channels.FirstOrDefault(i => GetInternalChannelId(i.Name).Equals(internalChannel.Id));
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            return channel is ISupportsMediaProbe;
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        }
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        public Task DeleteItem(BaseItem item)
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        {
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            var internalChannel = _libraryManager.GetItemById(item.ChannelId);
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            if (internalChannel == null)
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            {
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                throw new ArgumentException();
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            }
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            var channel = Channels.FirstOrDefault(i => GetInternalChannelId(i.Name).Equals(internalChannel.Id));
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            var supportsDelete = channel as ISupportsDelete;
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            if (supportsDelete == null)
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            {
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                throw new ArgumentException();
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            }
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            return supportsDelete.DeleteItem(item.ExternalId, CancellationToken.None);
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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 QueryResult<Channel> GetChannelsInternal(ChannelQuery query)
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        {
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            var user = query.UserId.Equals(Guid.Empty)
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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.IsRecordingsFolder.HasValue)
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            {
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                var val = query.IsRecordingsFolder.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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                        var hasAttributes = GetChannelProvider(i) as IHasFolderAttributes;
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                        return (hasAttributes != null && hasAttributes.Attributes.Contains("Recordings", StringComparer.OrdinalIgnoreCase)) == 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.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.SupportsMediaDeletion.HasValue)
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            {
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                var val = query.SupportsMediaDeletion.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 ISupportsDelete == 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", CultureInfo.InvariantCulture));
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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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            if (query.RefreshLatestChannelItems)
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            {
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                foreach (var item in returnItems)
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                {
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                    RefreshLatestChannelItems(GetChannelProvider(item), CancellationToken.None).GetAwaiter().GetResult();
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                }
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            }
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            return 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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        }
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        public QueryResult<BaseItemDto> GetChannels(ChannelQuery query)
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        {
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            var user = query.UserId.Equals(Guid.Empty)
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                ? null
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                : _userManager.GetUserById(query.UserId);
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            var internalResult = GetChannelsInternal(query);
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            var dtoOptions = new DtoOptions()
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            {
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            };
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            //TODO Fix The co-variant conversion (internalResult.Items) between Folder[] and BaseItem[], this can generate runtime issues.
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            var returnItems = _dtoService.GetBaseItemDtos(internalResult.Items, dtoOptions, user);
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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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                    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.LogError(ex, "Error getting channel information for {0}", channelInfo.Name);
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                }
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                numComplete++;
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                double percent = (double)numComplete / 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));
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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<MediaSourceInfo> GetSavedMediaSources(BaseItem item)
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        {
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            var path = Path.Combine(item.GetInternalMetadataPath(), "channelmediasourceinfos.json");
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            try
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            {
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                return _jsonSerializer.DeserializeFromFile<List<MediaSourceInfo>>(path) ?? new List<MediaSourceInfo>();
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            }
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            catch
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            {
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                return new List<MediaSourceInfo>();
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            }
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        }
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        private void SaveMediaSources(BaseItem item, List<MediaSourceInfo> mediaSources)
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        {
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            var path = Path.Combine(item.GetInternalMetadataPath(), "channelmediasourceinfos.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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            Directory.CreateDirectory(Path.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<MediaSourceInfo> results = GetSavedMediaSources(item);
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            return results
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                .Select(i => NormalizeMediaSource(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<MediaSourceInfo> 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 = new List<MediaSourceInfo>();
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            }
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            return results
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                .Select(i => NormalizeMediaSource(item, i))
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                .ToList();
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        }
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        private readonly ConcurrentDictionary<string, Tuple<DateTime, List<MediaSourceInfo>>> _channelItemMediaInfo =
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            new ConcurrentDictionary<string, Tuple<DateTime, List<MediaSourceInfo>>>();
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        private async Task<IEnumerable<MediaSourceInfo>> GetChannelItemMediaSourcesInternal(IRequiresMediaInfoCallback channel, string id, CancellationToken cancellationToken)
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        {
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            if (_channelItemMediaInfo.TryGetValue(id, out Tuple<DateTime, List<MediaSourceInfo>> 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<MediaSourceInfo>>(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 static MediaSourceInfo NormalizeMediaSource(BaseItem item, MediaSourceInfo info)
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        {
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            info.RunTimeTicks = info.RunTimeTicks ?? item.RunTimeTicks;
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            return info;
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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 parentFolderId = Guid.Empty;
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            var id = GetInternalChannelId(channelInfo.Name);
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            var path = Channel.GetInternalMetadataPath(_config.ApplicationPaths.InternalMetadataPath, id);
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            var isNew = false;
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            var forceUpdate = false;
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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(path),
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                    DateModified = _fileSystem.GetLastWriteTimeUtc(path)
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						|
                };
 | 
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						|
                isNew = true;
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						|
            }
 | 
						|
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            if (!string.Equals(item.Path, path, StringComparison.OrdinalIgnoreCase))
 | 
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            {
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                isNew = true;
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						|
            }
 | 
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            item.Path = path;
 | 
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 | 
						|
            if (!item.ChannelId.Equals(id))
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						|
            {
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                forceUpdate = true;
 | 
						|
            }
 | 
						|
            item.ChannelId = id;
 | 
						|
 | 
						|
            if (item.ParentId != parentFolderId)
 | 
						|
            {
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                forceUpdate = true;
 | 
						|
            }
 | 
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            item.ParentId = parentFolderId;
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						|
            item.OfficialRating = GetOfficialRating(channelInfo.ParentalRating);
 | 
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            item.Overview = channelInfo.Description;
 | 
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						|
            if (string.IsNullOrWhiteSpace(item.Name))
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            {
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                item.Name = channelInfo.Name;
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            }
 | 
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            if (isNew)
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            {
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                item.OnMetadataChanged();
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						|
                _libraryManager.CreateItem(item, null);
 | 
						|
            }
 | 
						|
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            await item.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_fileSystem))
 | 
						|
            {
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                ForceSave = !isNew && forceUpdate
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						|
            }, cancellationToken).ConfigureAwait(false);
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            return item;
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        }
 | 
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        private static 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:
 | 
						|
                    return "PG-13";
 | 
						|
                case ChannelParentalRating.UsPG:
 | 
						|
                    return "PG";
 | 
						|
                default:
 | 
						|
                    return null;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        public Channel GetChannel(Guid id)
 | 
						|
        {
 | 
						|
            return _libraryManager.GetItemById(id) as Channel;
 | 
						|
        }
 | 
						|
 | 
						|
        public Channel GetChannel(string id)
 | 
						|
        {
 | 
						|
            return _libraryManager.GetItemById(id) as Channel;
 | 
						|
        }
 | 
						|
 | 
						|
        public ChannelFeatures[] GetAllChannelFeatures()
 | 
						|
        {
 | 
						|
            return _libraryManager.GetItemIds(new InternalItemsQuery
 | 
						|
            {
 | 
						|
                IncludeItemTypes = new[] { typeof(Channel).Name },
 | 
						|
                OrderBy = new[] { (ItemSortBy.SortName, SortOrder.Ascending) }
 | 
						|
 | 
						|
            }).Select(i => GetChannelFeatures(i.ToString("N", CultureInfo.InvariantCulture))).ToArray();
 | 
						|
        }
 | 
						|
 | 
						|
        public ChannelFeatures GetChannelFeatures(string id)
 | 
						|
        {
 | 
						|
            if (string.IsNullOrEmpty(id))
 | 
						|
            {
 | 
						|
                throw new ArgumentNullException(nameof(id));
 | 
						|
            }
 | 
						|
 | 
						|
            var channel = GetChannel(id);
 | 
						|
            var channelProvider = GetChannelProvider(channel);
 | 
						|
 | 
						|
            return GetChannelFeaturesDto(channel, channelProvider, channelProvider.GetChannelFeatures());
 | 
						|
        }
 | 
						|
 | 
						|
        public bool SupportsExternalTransfer(Guid channelId)
 | 
						|
        {
 | 
						|
            //var channel = GetChannel(channelId);
 | 
						|
            var channelProvider = GetChannelProvider(channelId);
 | 
						|
 | 
						|
            return channelProvider.GetChannelFeatures().SupportsContentDownloading;
 | 
						|
        }
 | 
						|
 | 
						|
        public ChannelFeatures GetChannelFeaturesDto(Channel channel,
 | 
						|
            IChannel provider,
 | 
						|
            InternalChannelFeatures features)
 | 
						|
        {
 | 
						|
            var supportsLatest = provider is ISupportsLatestMedia;
 | 
						|
 | 
						|
            return new ChannelFeatures
 | 
						|
            {
 | 
						|
                CanFilter = !features.MaxPageSize.HasValue,
 | 
						|
                CanSearch = provider is ISearchableChannel,
 | 
						|
                ContentTypes = features.ContentTypes.ToArray(),
 | 
						|
                DefaultSortFields = features.DefaultSortFields.ToArray(),
 | 
						|
                MaxPageSize = features.MaxPageSize,
 | 
						|
                MediaTypes = features.MediaTypes.ToArray(),
 | 
						|
                SupportsSortOrderToggle = features.SupportsSortOrderToggle,
 | 
						|
                SupportsLatestMedia = supportsLatest,
 | 
						|
                Name = channel.Name,
 | 
						|
                Id = channel.Id.ToString("N", CultureInfo.InvariantCulture),
 | 
						|
                SupportsContentDownloading = features.SupportsContentDownloading,
 | 
						|
                AutoRefreshLevels = features.AutoRefreshLevels
 | 
						|
            };
 | 
						|
        }
 | 
						|
 | 
						|
        private Guid GetInternalChannelId(string name)
 | 
						|
        {
 | 
						|
            if (string.IsNullOrEmpty(name))
 | 
						|
            {
 | 
						|
                throw new ArgumentNullException(nameof(name));
 | 
						|
            }
 | 
						|
            return _libraryManager.GetNewItemId("Channel " + name, typeof(Channel));
 | 
						|
        }
 | 
						|
 | 
						|
        public async Task<QueryResult<BaseItemDto>> GetLatestChannelItems(InternalItemsQuery query, CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            var internalResult = await GetLatestChannelItemsInternal(query, cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
            var items = internalResult.Items;
 | 
						|
            var totalRecordCount = internalResult.TotalRecordCount;
 | 
						|
 | 
						|
            var returnItems = _dtoService.GetBaseItemDtos(items, query.DtoOptions, query.User);
 | 
						|
 | 
						|
            var result = new QueryResult<BaseItemDto>
 | 
						|
            {
 | 
						|
                Items = returnItems,
 | 
						|
                TotalRecordCount = totalRecordCount
 | 
						|
            };
 | 
						|
 | 
						|
            return result;
 | 
						|
        }
 | 
						|
 | 
						|
        public async Task<QueryResult<BaseItem>> GetLatestChannelItemsInternal(InternalItemsQuery query, CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            var channels = GetAllChannels().Where(i => i is ISupportsLatestMedia).ToArray();
 | 
						|
 | 
						|
            if (query.ChannelIds.Length > 0)
 | 
						|
            {
 | 
						|
                // Avoid implicitly captured closure
 | 
						|
                var ids = query.ChannelIds;
 | 
						|
                channels = channels
 | 
						|
                    .Where(i => ids.Contains(GetInternalChannelId(i.Name)))
 | 
						|
                    .ToArray();
 | 
						|
            }
 | 
						|
 | 
						|
            if (channels.Length == 0)
 | 
						|
            {
 | 
						|
                return new QueryResult<BaseItem>();
 | 
						|
            }
 | 
						|
 | 
						|
            foreach (var channel in channels)
 | 
						|
            {
 | 
						|
                await RefreshLatestChannelItems(channel, cancellationToken).ConfigureAwait(false);
 | 
						|
            }
 | 
						|
 | 
						|
            query.IsFolder = false;
 | 
						|
 | 
						|
            // hack for trailers, figure out a better way later
 | 
						|
            var sortByPremiereDate = channels.Length == 1 && channels[0].GetType().Name.IndexOf("Trailer") != -1;
 | 
						|
 | 
						|
            if (sortByPremiereDate)
 | 
						|
            {
 | 
						|
                query.OrderBy = new[]
 | 
						|
                {
 | 
						|
                    (ItemSortBy.PremiereDate, SortOrder.Descending),
 | 
						|
                    (ItemSortBy.ProductionYear, SortOrder.Descending),
 | 
						|
                    (ItemSortBy.DateCreated, SortOrder.Descending)
 | 
						|
                };
 | 
						|
            }
 | 
						|
            else
 | 
						|
            {
 | 
						|
                query.OrderBy = new[]
 | 
						|
                {
 | 
						|
                    (ItemSortBy.DateCreated, SortOrder.Descending)
 | 
						|
                };
 | 
						|
            }
 | 
						|
 | 
						|
            return _libraryManager.GetItemsResult(query);
 | 
						|
        }
 | 
						|
 | 
						|
        private async Task RefreshLatestChannelItems(IChannel channel, CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            var internalChannel = await GetChannel(channel, cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
            var query = new InternalItemsQuery();
 | 
						|
            query.Parent = internalChannel;
 | 
						|
            query.EnableTotalRecordCount = false;
 | 
						|
            query.ChannelIds = new Guid[] { internalChannel.Id };
 | 
						|
 | 
						|
            var result = await GetChannelItemsInternal(query, new SimpleProgress<double>(), cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
            foreach (var item in result.Items)
 | 
						|
            {
 | 
						|
                if (item is Folder folder)
 | 
						|
                {
 | 
						|
                    await GetChannelItemsInternal(new InternalItemsQuery
 | 
						|
                    {
 | 
						|
                        Parent = folder,
 | 
						|
                        EnableTotalRecordCount = false,
 | 
						|
                        ChannelIds = new Guid[] { internalChannel.Id }
 | 
						|
 | 
						|
                    }, new SimpleProgress<double>(), cancellationToken).ConfigureAwait(false);
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        public async Task<QueryResult<BaseItem>> GetChannelItemsInternal(InternalItemsQuery query, IProgress<double> progress, CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            // Get the internal channel entity
 | 
						|
            var channel = GetChannel(query.ChannelIds[0]);
 | 
						|
 | 
						|
            // Find the corresponding channel provider plugin
 | 
						|
            var channelProvider = GetChannelProvider(channel);
 | 
						|
 | 
						|
            var parentItem = query.ParentId == Guid.Empty ? channel : _libraryManager.GetItemById(query.ParentId);
 | 
						|
 | 
						|
            var itemsResult = await GetChannelItems(channelProvider,
 | 
						|
                query.User,
 | 
						|
                parentItem is Channel ? null : parentItem.ExternalId,
 | 
						|
                null,
 | 
						|
                false,
 | 
						|
                cancellationToken)
 | 
						|
                .ConfigureAwait(false);
 | 
						|
 | 
						|
            if (query.ParentId == Guid.Empty)
 | 
						|
            {
 | 
						|
                query.Parent = channel;
 | 
						|
            }
 | 
						|
            query.ChannelIds = Array.Empty<Guid>();
 | 
						|
 | 
						|
            // Not yet sure why this is causing a problem
 | 
						|
            query.GroupByPresentationUniqueKey = false;
 | 
						|
 | 
						|
            //_logger.LogDebug("GetChannelItemsInternal");
 | 
						|
 | 
						|
            // null if came from cache
 | 
						|
            if (itemsResult != null)
 | 
						|
            {
 | 
						|
                var internalItems = itemsResult.Items
 | 
						|
                    .Select(i => GetChannelItemEntity(i, channelProvider, channel.Id, parentItem, cancellationToken))
 | 
						|
                    .ToArray();
 | 
						|
 | 
						|
                var existingIds = _libraryManager.GetItemIds(query);
 | 
						|
                var deadIds = existingIds.Except(internalItems.Select(i => i.Id))
 | 
						|
                    .ToArray();
 | 
						|
 | 
						|
                foreach (var deadId in deadIds)
 | 
						|
                {
 | 
						|
                    var deadItem = _libraryManager.GetItemById(deadId);
 | 
						|
                    if (deadItem != null)
 | 
						|
                    {
 | 
						|
                        _libraryManager.DeleteItem(deadItem, new DeleteOptions
 | 
						|
                        {
 | 
						|
                            DeleteFileLocation = false,
 | 
						|
                            DeleteFromExternalProvider = false
 | 
						|
 | 
						|
                        }, parentItem, false);
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            return _libraryManager.GetItemsResult(query);
 | 
						|
        }
 | 
						|
 | 
						|
        public async Task<QueryResult<BaseItemDto>> GetChannelItems(InternalItemsQuery query, CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            var internalResult = await GetChannelItemsInternal(query, new SimpleProgress<double>(), cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
            var returnItems = _dtoService.GetBaseItemDtos(internalResult.Items, query.DtoOptions, query.User);
 | 
						|
 | 
						|
            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 externalFolderId,
 | 
						|
            ChannelItemSortField? sortField,
 | 
						|
            bool sortDescending,
 | 
						|
            CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            var userId = user == null ? null : user.Id.ToString("N", CultureInfo.InvariantCulture);
 | 
						|
 | 
						|
            var cacheLength = CacheLength;
 | 
						|
            var cachePath = GetChannelDataCachePath(channel, userId, externalFolderId, sortField, sortDescending);
 | 
						|
 | 
						|
            try
 | 
						|
            {
 | 
						|
                if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow)
 | 
						|
                {
 | 
						|
                    var cachedResult = _jsonSerializer.DeserializeFromFile<ChannelItemResult>(cachePath);
 | 
						|
                    if (cachedResult != null)
 | 
						|
                    {
 | 
						|
                        return null;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            catch (FileNotFoundException)
 | 
						|
            {
 | 
						|
 | 
						|
            }
 | 
						|
            catch (IOException)
 | 
						|
            {
 | 
						|
 | 
						|
            }
 | 
						|
 | 
						|
            await _resourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
            try
 | 
						|
            {
 | 
						|
                try
 | 
						|
                {
 | 
						|
                    if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow)
 | 
						|
                    {
 | 
						|
                        var cachedResult = _jsonSerializer.DeserializeFromFile<ChannelItemResult>(cachePath);
 | 
						|
                        if (cachedResult != null)
 | 
						|
                        {
 | 
						|
                            return null;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                catch (FileNotFoundException)
 | 
						|
                {
 | 
						|
 | 
						|
                }
 | 
						|
                catch (IOException)
 | 
						|
                {
 | 
						|
 | 
						|
                }
 | 
						|
 | 
						|
                var query = new InternalChannelItemQuery
 | 
						|
                {
 | 
						|
                    UserId = user == null ? Guid.Empty : user.Id,
 | 
						|
                    SortBy = sortField,
 | 
						|
                    SortDescending = sortDescending,
 | 
						|
                    FolderId = externalFolderId
 | 
						|
                };
 | 
						|
 | 
						|
                query.FolderId = externalFolderId;
 | 
						|
 | 
						|
                var result = await channel.GetChannelItems(query, cancellationToken).ConfigureAwait(false);
 | 
						|
 | 
						|
                if (result == null)
 | 
						|
                {
 | 
						|
                    throw new InvalidOperationException("Channel returned a null result from GetChannelItems");
 | 
						|
                }
 | 
						|
 | 
						|
                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.LogError(ex, "Error writing to channel cache file: {path}", path);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        private string GetChannelDataCachePath(IChannel channel,
 | 
						|
            string userId,
 | 
						|
            string externalFolderId,
 | 
						|
            ChannelItemSortField? sortField,
 | 
						|
            bool sortDescending)
 | 
						|
        {
 | 
						|
            var channelId = GetInternalChannelId(channel.Name).ToString("N", CultureInfo.InvariantCulture);
 | 
						|
 | 
						|
            var userCacheKey = string.Empty;
 | 
						|
 | 
						|
            var hasCacheKey = channel as IHasCacheKey;
 | 
						|
            if (hasCacheKey != null)
 | 
						|
            {
 | 
						|
                userCacheKey = hasCacheKey.GetCacheKey(userId) ?? string.Empty;
 | 
						|
            }
 | 
						|
 | 
						|
            var filename = string.IsNullOrEmpty(externalFolderId) ? "root" : externalFolderId.GetMD5().ToString("N", CultureInfo.InvariantCulture);
 | 
						|
            filename += userCacheKey;
 | 
						|
 | 
						|
            var version = ((channel.DataVersion ?? string.Empty) + "2").GetMD5().ToString("N", CultureInfo.InvariantCulture);
 | 
						|
 | 
						|
            if (sortField.HasValue)
 | 
						|
            {
 | 
						|
                filename += "-sortField-" + sortField.Value;
 | 
						|
            }
 | 
						|
            if (sortDescending)
 | 
						|
            {
 | 
						|
                filename += "-sortDescending";
 | 
						|
            }
 | 
						|
 | 
						|
            filename = filename.GetMD5().ToString("N", CultureInfo.InvariantCulture);
 | 
						|
 | 
						|
            return Path.Combine(_config.ApplicationPaths.CachePath,
 | 
						|
                "channels",
 | 
						|
                channelId,
 | 
						|
                version,
 | 
						|
                filename + ".json");
 | 
						|
        }
 | 
						|
 | 
						|
        private static 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, out bool isNew)
 | 
						|
            where T : BaseItem, new()
 | 
						|
        {
 | 
						|
            var id = _libraryManager.GetNewItemId(GetIdToHash(idString, channelName), typeof(T));
 | 
						|
 | 
						|
            T item = null;
 | 
						|
 | 
						|
            try
 | 
						|
            {
 | 
						|
                item = _libraryManager.GetItemById(id) as T;
 | 
						|
            }
 | 
						|
            catch (Exception ex)
 | 
						|
            {
 | 
						|
                _logger.LogError(ex, "Error retrieving channel item from database");
 | 
						|
            }
 | 
						|
 | 
						|
            if (item == null)
 | 
						|
            {
 | 
						|
                item = new T();
 | 
						|
                isNew = true;
 | 
						|
            }
 | 
						|
            else
 | 
						|
            {
 | 
						|
                isNew = false;
 | 
						|
            }
 | 
						|
 | 
						|
            item.Id = id;
 | 
						|
            return item;
 | 
						|
        }
 | 
						|
 | 
						|
        private BaseItem GetChannelItemEntity(ChannelItemInfo info, IChannel channelProvider, Guid internalChannelId, BaseItem parentFolder, CancellationToken cancellationToken)
 | 
						|
        {
 | 
						|
            var parentFolderId = parentFolder.Id;
 | 
						|
 | 
						|
            BaseItem item;
 | 
						|
            bool isNew;
 | 
						|
            bool forceUpdate = false;
 | 
						|
 | 
						|
            if (info.Type == ChannelItemType.Folder)
 | 
						|
            {
 | 
						|
                if (info.FolderType == ChannelFolderType.MusicAlbum)
 | 
						|
                {
 | 
						|
                    item = GetItemById<MusicAlbum>(info.Id, channelProvider.Name, out isNew);
 | 
						|
                }
 | 
						|
                else if (info.FolderType == ChannelFolderType.MusicArtist)
 | 
						|
                {
 | 
						|
                    item = GetItemById<MusicArtist>(info.Id, channelProvider.Name, out isNew);
 | 
						|
                }
 | 
						|
                else if (info.FolderType == ChannelFolderType.PhotoAlbum)
 | 
						|
                {
 | 
						|
                    item = GetItemById<PhotoAlbum>(info.Id, channelProvider.Name, out isNew);
 | 
						|
                }
 | 
						|
                else if (info.FolderType == ChannelFolderType.Series)
 | 
						|
                {
 | 
						|
                    item = GetItemById<Series>(info.Id, channelProvider.Name, out isNew);
 | 
						|
                }
 | 
						|
                else if (info.FolderType == ChannelFolderType.Season)
 | 
						|
                {
 | 
						|
                    item = GetItemById<Season>(info.Id, channelProvider.Name, out isNew);
 | 
						|
                }
 | 
						|
                else
 | 
						|
                {
 | 
						|
                    item = GetItemById<Folder>(info.Id, channelProvider.Name, out isNew);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            else if (info.MediaType == ChannelMediaType.Audio)
 | 
						|
            {
 | 
						|
                if (info.ContentType == ChannelMediaContentType.Podcast)
 | 
						|
                {
 | 
						|
                    item = GetItemById<AudioBook>(info.Id, channelProvider.Name, out isNew);
 | 
						|
                }
 | 
						|
                else
 | 
						|
                {
 | 
						|
                    item = GetItemById<Audio>(info.Id, channelProvider.Name, out isNew);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            else
 | 
						|
            {
 | 
						|
                if (info.ContentType == ChannelMediaContentType.Episode)
 | 
						|
                {
 | 
						|
                    item = GetItemById<Episode>(info.Id, channelProvider.Name, out isNew);
 | 
						|
                }
 | 
						|
                else if (info.ContentType == ChannelMediaContentType.Movie)
 | 
						|
                {
 | 
						|
                    item = GetItemById<Movie>(info.Id, channelProvider.Name, out isNew);
 | 
						|
                }
 | 
						|
                else if (info.ContentType == ChannelMediaContentType.Trailer || info.ExtraType == ExtraType.Trailer)
 | 
						|
                {
 | 
						|
                    item = GetItemById<Trailer>(info.Id, channelProvider.Name, out isNew);
 | 
						|
                }
 | 
						|
                else
 | 
						|
                {
 | 
						|
                    item = GetItemById<Video>(info.Id, channelProvider.Name, out isNew);
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            var enableMediaProbe = channelProvider is ISupportsMediaProbe;
 | 
						|
 | 
						|
            if (info.IsLiveStream)
 | 
						|
            {
 | 
						|
                item.RunTimeTicks = null;
 | 
						|
            }
 | 
						|
 | 
						|
            else if (isNew || !enableMediaProbe)
 | 
						|
            {
 | 
						|
                item.RunTimeTicks = info.RunTimeTicks;
 | 
						|
            }
 | 
						|
 | 
						|
            if (isNew)
 | 
						|
            {
 | 
						|
                item.Name = info.Name;
 | 
						|
                item.Genres = info.Genres.ToArray();
 | 
						|
                item.Studios = info.Studios.ToArray();
 | 
						|
                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.ToArray();
 | 
						|
                item.OriginalTitle = info.OriginalTitle;
 | 
						|
            }
 | 
						|
            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.ToArray();
 | 
						|
            }
 | 
						|
 | 
						|
            var hasAlbumArtists = item as IHasAlbumArtist;
 | 
						|
            if (hasAlbumArtists != null)
 | 
						|
            {
 | 
						|
                hasAlbumArtists.AlbumArtists = info.AlbumArtists.ToArray();
 | 
						|
            }
 | 
						|
 | 
						|
            var trailer = item as Trailer;
 | 
						|
            if (trailer != null)
 | 
						|
            {
 | 
						|
                if (!info.TrailerTypes.SequenceEqual(trailer.TrailerTypes))
 | 
						|
                {
 | 
						|
                    _logger.LogDebug("Forcing update due to TrailerTypes {0}", item.Name);
 | 
						|
                    forceUpdate = true;
 | 
						|
                }
 | 
						|
                trailer.TrailerTypes = info.TrailerTypes.ToArray();
 | 
						|
            }
 | 
						|
 | 
						|
            if (info.DateModified > item.DateModified)
 | 
						|
            {
 | 
						|
                item.DateModified = info.DateModified;
 | 
						|
                _logger.LogDebug("Forcing update due to DateModified {0}", item.Name);
 | 
						|
                forceUpdate = true;
 | 
						|
            }
 | 
						|
 | 
						|
            // was used for status
 | 
						|
            //if (!string.Equals(item.ExternalEtag ?? string.Empty, info.Etag ?? string.Empty, StringComparison.Ordinal))
 | 
						|
            //{
 | 
						|
            //    item.ExternalEtag = info.Etag;
 | 
						|
            //    forceUpdate = true;
 | 
						|
            //    _logger.LogDebug("Forcing update due to ExternalEtag {0}", item.Name);
 | 
						|
            //}
 | 
						|
 | 
						|
            if (!internalChannelId.Equals(item.ChannelId))
 | 
						|
            {
 | 
						|
                forceUpdate = true;
 | 
						|
                _logger.LogDebug("Forcing update due to ChannelId {0}", item.Name);
 | 
						|
            }
 | 
						|
            item.ChannelId = internalChannelId;
 | 
						|
 | 
						|
            if (!item.ParentId.Equals(parentFolderId))
 | 
						|
            {
 | 
						|
                forceUpdate = true;
 | 
						|
                _logger.LogDebug("Forcing update due to parent folder Id {0}", item.Name);
 | 
						|
            }
 | 
						|
            item.ParentId = parentFolderId;
 | 
						|
 | 
						|
            var hasSeries = item as IHasSeries;
 | 
						|
            if (hasSeries != null)
 | 
						|
            {
 | 
						|
                if (!string.Equals(hasSeries.SeriesName, info.SeriesName, StringComparison.OrdinalIgnoreCase))
 | 
						|
                {
 | 
						|
                    forceUpdate = true;
 | 
						|
                    _logger.LogDebug("Forcing update due to SeriesName {0}", item.Name);
 | 
						|
                }
 | 
						|
                hasSeries.SeriesName = info.SeriesName;
 | 
						|
            }
 | 
						|
 | 
						|
            if (!string.Equals(item.ExternalId, info.Id, StringComparison.OrdinalIgnoreCase))
 | 
						|
            {
 | 
						|
                forceUpdate = true;
 | 
						|
                _logger.LogDebug("Forcing update due to ExternalId {0}", item.Name);
 | 
						|
            }
 | 
						|
            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.IsNullOrEmpty(info.ImageUrl) && !item.HasImage(ImageType.Primary))
 | 
						|
            {
 | 
						|
                item.SetImagePath(ImageType.Primary, info.ImageUrl);
 | 
						|
                _logger.LogDebug("Forcing update due to ImageUrl {0}", item.Name);
 | 
						|
                forceUpdate = true;
 | 
						|
            }
 | 
						|
 | 
						|
            if (!info.IsLiveStream)
 | 
						|
            {
 | 
						|
                if (item.Tags.Contains("livestream", StringComparer.OrdinalIgnoreCase))
 | 
						|
                {
 | 
						|
                    item.Tags = item.Tags.Except(new[] { "livestream" }, StringComparer.OrdinalIgnoreCase).ToArray();
 | 
						|
                    _logger.LogDebug("Forcing update due to Tags {0}", item.Name);
 | 
						|
                    forceUpdate = true;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            else
 | 
						|
            {
 | 
						|
                if (!item.Tags.Contains("livestream", StringComparer.OrdinalIgnoreCase))
 | 
						|
                {
 | 
						|
                    item.Tags = item.Tags.Concat(new[] { "livestream" }).ToArray();
 | 
						|
                    _logger.LogDebug("Forcing update due to Tags {0}", item.Name);
 | 
						|
                    forceUpdate = true;
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            item.OnMetadataChanged();
 | 
						|
 | 
						|
            if (isNew)
 | 
						|
            {
 | 
						|
                _libraryManager.CreateItem(item, parentFolder);
 | 
						|
 | 
						|
                if (info.People != null && info.People.Count > 0)
 | 
						|
                {
 | 
						|
                    _libraryManager.UpdatePeople(item, info.People);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            else if (forceUpdate)
 | 
						|
            {
 | 
						|
                item.UpdateToRepository(ItemUpdateType.None, cancellationToken);
 | 
						|
            }
 | 
						|
 | 
						|
            if ((isNew || forceUpdate) && info.Type == ChannelItemType.Media)
 | 
						|
            {
 | 
						|
                if (enableMediaProbe && !info.IsLiveStream && item.HasPathProtocol)
 | 
						|
                {
 | 
						|
                    SaveMediaSources(item, new List<MediaSourceInfo>());
 | 
						|
                }
 | 
						|
                else
 | 
						|
                {
 | 
						|
                    SaveMediaSources(item, info.MediaSources);
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if (isNew || forceUpdate || item.DateLastRefreshed == default(DateTime))
 | 
						|
            {
 | 
						|
                _providerManager.QueueRefresh(item.Id, new MetadataRefreshOptions(new DirectoryService(_fileSystem)), RefreshPriority.Normal);
 | 
						|
            }
 | 
						|
 | 
						|
            return item;
 | 
						|
        }
 | 
						|
 | 
						|
        internal IChannel GetChannelProvider(Channel channel)
 | 
						|
        {
 | 
						|
            if (channel == null)
 | 
						|
            {
 | 
						|
                throw new ArgumentNullException(nameof(channel));
 | 
						|
            }
 | 
						|
 | 
						|
            var result = GetAllChannels()
 | 
						|
                .FirstOrDefault(i => GetInternalChannelId(i.Name).Equals(channel.ChannelId) || 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(Guid internalChannelId)
 | 
						|
        {
 | 
						|
            var result = GetAllChannels()
 | 
						|
                .FirstOrDefault(i => internalChannelId.Equals(GetInternalChannelId(i.Name)));
 | 
						|
 | 
						|
            if (result == null)
 | 
						|
            {
 | 
						|
                throw new ResourceNotFoundException("No channel provider found for channel id " + internalChannelId);
 | 
						|
            }
 | 
						|
 | 
						|
            return result;
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 |