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			1200 lines
		
	
	
		
			41 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			1200 lines
		
	
	
		
			41 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
| #pragma warning disable CS1591
 | |
| #pragma warning disable SA1600
 | |
| 
 | |
| using System;
 | |
| using System.Collections.Concurrent;
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| using System.Collections.Generic;
 | |
| using System.Globalization;
 | |
| using System.IO;
 | |
| using System.Linq;
 | |
| using System.Threading;
 | |
| using System.Threading.Tasks;
 | |
| 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;
 | |
| using MediaBrowser.Model.Channels;
 | |
| using MediaBrowser.Model.Dto;
 | |
| using MediaBrowser.Model.Entities;
 | |
| using MediaBrowser.Model.IO;
 | |
| using MediaBrowser.Model.Querying;
 | |
| using MediaBrowser.Model.Serialization;
 | |
| using Microsoft.Extensions.Logging;
 | |
| 
 | |
| namespace Emby.Server.Implementations.Channels
 | |
| {
 | |
|     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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| 
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|             return !(channel is IDisableMediaSourceDisplay);
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|         }
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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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| 
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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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| 
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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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| 
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|             return channel is ISupportsMediaProbe;
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|         }
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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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| 
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|             var channel = Channels.FirstOrDefault(i => GetInternalChannelId(i.Name).Equals(internalChannel.Id));
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| 
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|             var supportsDelete = channel as ISupportsDelete;
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| 
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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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| 
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|             return supportsDelete.DeleteItem(item.ExternalId, CancellationToken.None);
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|         }
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| 
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|         private IEnumerable<IChannel> GetAllChannels()
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|         {
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|             return 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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| 
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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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| 
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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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| 
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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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| 
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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
 | |
|                     {
 | |
|                         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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|                 {
 | |
|                     try
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|                     {
 | |
|                         return GetChannelProvider(i) is ISupportsDelete == val;
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|                     }
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|                     catch
 | |
|                     {
 | |
|                         return false;
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|                     }
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| 
 | |
|                 }).ToList();
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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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| 
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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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| 
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|             var returnItems = all.ToArray();
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| 
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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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|         {
 | |
|             var user = query.UserId.Equals(Guid.Empty)
 | |
|                 ? null
 | |
|                 : _userManager.GetUserById(query.UserId);
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| 
 | |
|             var internalResult = GetChannelsInternal(query);
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| 
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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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| 
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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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| 
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|             return result;
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|         }
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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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| 
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|             var numComplete = 0;
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| 
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|             foreach (var channelInfo in allChannelsList)
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|             {
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|                 cancellationToken.ThrowIfCancellationRequested();
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| 
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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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| 
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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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| 
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|             progress.Report(100);
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|         }
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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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| 
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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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|             }
 | |
|             catch
 | |
|             {
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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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| 
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|             _jsonSerializer.SerializeToFile(mediaSources, path);
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|         }
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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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| 
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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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| 
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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;
 | |
| 
 | |
|             IEnumerable<MediaSourceInfo> results;
 | |
| 
 | |
|             if (requiresCallback != null)
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|             {
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|                 results = await GetChannelItemMediaSourcesInternal(requiresCallback, item.ExternalId, cancellationToken)
 | |
|                     .ConfigureAwait(false);
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|             }
 | |
|             else
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|             {
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|                 results = new List<MediaSourceInfo>();
 | |
|             }
 | |
| 
 | |
|             return results
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|                 .Select(i => NormalizeMediaSource(item, i))
 | |
|                 .ToList();
 | |
|         }
 | |
| 
 | |
|         private readonly ConcurrentDictionary<string, Tuple<DateTime, List<MediaSourceInfo>>> _channelItemMediaInfo =
 | |
|             new ConcurrentDictionary<string, Tuple<DateTime, List<MediaSourceInfo>>>();
 | |
| 
 | |
|         private async Task<IEnumerable<MediaSourceInfo>> GetChannelItemMediaSourcesInternal(IRequiresMediaInfoCallback channel, string id, CancellationToken cancellationToken)
 | |
|         {
 | |
|             if (_channelItemMediaInfo.TryGetValue(id, out Tuple<DateTime, List<MediaSourceInfo>> cachedInfo))
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|             {
 | |
|                 if ((DateTime.UtcNow - cachedInfo.Item1).TotalMinutes < 5)
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|                 {
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|                     return cachedInfo.Item2;
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             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;
 | |
|         }
 | |
| 
 | |
|         private static MediaSourceInfo NormalizeMediaSource(BaseItem item, MediaSourceInfo info)
 | |
|         {
 | |
|             info.RunTimeTicks = info.RunTimeTicks ?? item.RunTimeTicks;
 | |
| 
 | |
|             return info;
 | |
|         }
 | |
| 
 | |
|         private async Task<Channel> GetChannel(IChannel channelInfo, CancellationToken cancellationToken)
 | |
|         {
 | |
|             var parentFolderId = Guid.Empty;
 | |
| 
 | |
|             var id = GetInternalChannelId(channelInfo.Name);
 | |
| 
 | |
|             var path = Channel.GetInternalMetadataPath(_config.ApplicationPaths.InternalMetadataPath, id);
 | |
| 
 | |
|             var isNew = false;
 | |
|             var forceUpdate = false;
 | |
| 
 | |
|             var item = _libraryManager.GetItemById(id) as Channel;
 | |
| 
 | |
|             if (item == null)
 | |
|             {
 | |
|                 item = new Channel
 | |
|                 {
 | |
|                     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 (!item.ChannelId.Equals(id))
 | |
|             {
 | |
|                 forceUpdate = true;
 | |
|             }
 | |
|             item.ChannelId = id;
 | |
| 
 | |
|             if (item.ParentId != parentFolderId)
 | |
|             {
 | |
|                 forceUpdate = true;
 | |
|             }
 | |
|             item.ParentId = parentFolderId;
 | |
| 
 | |
|             item.OfficialRating = GetOfficialRating(channelInfo.ParentalRating);
 | |
|             item.Overview = channelInfo.Description;
 | |
| 
 | |
|             if (string.IsNullOrWhiteSpace(item.Name))
 | |
|             {
 | |
|                 item.Name = channelInfo.Name;
 | |
|             }
 | |
| 
 | |
|             if (isNew)
 | |
|             {
 | |
|                 item.OnMetadataChanged();
 | |
|                 _libraryManager.CreateItem(item, null);
 | |
|             }
 | |
| 
 | |
|             await item.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_fileSystem))
 | |
|             {
 | |
|                 ForceSave = !isNew && forceUpdate
 | |
|             }, cancellationToken).ConfigureAwait(false);
 | |
| 
 | |
|             return item;
 | |
|         }
 | |
| 
 | |
|         private static 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(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;
 | |
|         }
 | |
|     }
 | |
| }
 |