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path: root/MediaBrowser.Controller/Channels/ChannelVideoItem.cs
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using MediaBrowser.Controller.Entities;
using MediaBrowser.Model.Channels;
using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Runtime.Serialization;
using System.Threading;

namespace MediaBrowser.Controller.Channels
{
    public class ChannelVideoItem : Video
    {
        public ChannelMediaContentType ContentType { get; set; }

        public List<ChannelMediaInfo> ChannelMediaSources { get; set; }

        protected override string CreateUserDataKey()
        {
            if (ContentType == ChannelMediaContentType.MovieExtra)
            {
                var key = this.GetProviderId(MetadataProviders.Imdb) ?? this.GetProviderId(MetadataProviders.Tmdb);

                if (!string.IsNullOrWhiteSpace(key))
                {
                    key = key + "-" + ExtraType.ToString().ToLower();

                    // Make sure different trailers have their own data.
                    if (RunTimeTicks.HasValue)
                    {
                        key += "-" + RunTimeTicks.Value.ToString(CultureInfo.InvariantCulture);
                    }

                    return key;
                }
            }

            return ExternalId;
        }

        public override UnratedItem GetBlockUnratedType()
        {
            return UnratedItem.ChannelContent;
        }

        [IgnoreDataMember]
        public override bool SupportsLocalMetadata
        {
            get
            {
                return false;
            }
        }

        public override bool IsSaveLocalMetadataEnabled()
        {
            return false;
        }

        public ChannelVideoItem()
        {
            ChannelMediaSources = new List<ChannelMediaInfo>();
        }

        [IgnoreDataMember]
        public override LocationType LocationType
        {
            get
            {
                if (string.IsNullOrEmpty(Path))
                {
                    return LocationType.Remote;
                }

                return base.LocationType;
            }
        }

        public override IEnumerable<MediaSourceInfo> GetMediaSources(bool enablePathSubstitution)
        {
            var sources = ChannelManager.GetStaticMediaSources(this, false, CancellationToken.None)
                       .Result.ToList();

            if (sources.Count > 0)
            {
                return sources;
            }

            var list = base.GetMediaSources(enablePathSubstitution).ToList();

            foreach (var mediaSource in list)
            {
                if (string.IsNullOrWhiteSpace(mediaSource.Path))
                {
                    mediaSource.Type = MediaSourceType.Placeholder;
                }
            }

            return list;
        }

        protected override string GetInternalMetadataPath(string basePath)
        {
            return System.IO.Path.Combine(basePath, "channels", ChannelId, Id.ToString("N"));
        }

        public override bool CanDelete()
        {
            return false;
        }

        public override bool IsVisibleStandalone(User user)
        {
            return IsVisibleStandaloneInternal(user, false) && IsChannelVisible(this, user);
        }

        internal static bool IsChannelVisible(BaseItem item, User user)
        {
            var channel = ChannelManager.GetChannel(item.ChannelId);

            return channel.IsVisible(user);
        }
    }
}