jellyfin/MediaBrowser.Controller/Entities/MusicVideo.cs

using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Configuration;
using System.Collections.Generic;
using MediaBrowser.Model.Serialization;

namespace MediaBrowser.Controller.Entities
{
    public class MusicVideo : Video, IHasArtist, IHasMusicGenres, IHasLookupInfo<MusicVideoInfo>
    {
        public List<string> Artists { get; set; }

        public MusicVideo()
        {
            Artists = new List<string>();
        }

        [IgnoreDataMember]
        public List<string> AllArtists
        {
            get
            {
                return Artists;
            }
        }

        [IgnoreDataMember]
        protected override bool SupportsIsInMixedFolderDetection
        {
            get
            {
                return true;
            }
        }

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

        public MusicVideoInfo GetLookupInfo()
        {
            return GetItemLookupInfo<MusicVideoInfo>();
        }

        public override bool BeforeMetadataRefresh()
        {
            var hasChanges = base.BeforeMetadataRefresh();

            if (!ProductionYear.HasValue)
            {
                var info = LibraryManager.ParseName(Name);

                var yearInName = info.Year;

                if (yearInName.HasValue)
                {
                    ProductionYear = yearInName;
                    hasChanges = true;
                }
                else
                {
                    // Try to get the year from the folder name
                    if (!DetectIsInMixedFolder())
                    {
                        info = LibraryManager.ParseName(System.IO.Path.GetFileName(ContainingFolderPath));

                        yearInName = info.Year;

                        if (yearInName.HasValue)
                        {
                            ProductionYear = yearInName;
                            hasChanges = true;
                        }
                    }
                }
            }

            return hasChanges;
        }
    }
}