1 files changed, 275 insertions, 0 deletions
diff --git a/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs b/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs
new file mode 100644
index 000000000..82dece84b
--- /dev/null
+++ b/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs
@@ -0,0 +1,275 @@
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Configuration;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Users;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using MediaBrowser.Model.Serialization;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Common.Extensions;
+using MediaBrowser.Controller.Extensions;
+using MediaBrowser.Model.Extensions;
+
+namespace MediaBrowser.Controller.Entities.Audio
+{
+    /// <summary>
+    /// Class MusicArtist
+    /// </summary>
+    public class MusicArtist : Folder, IItemByName, IHasMusicGenres, IHasDualAccess, IHasLookupInfo<ArtistInfo>
+    {
+        [IgnoreDataMember]
+        public bool IsAccessedByName
+        {
+            get { return ParentId.Equals(Guid.Empty); }
+        }
+
+        [IgnoreDataMember]
+        public override bool IsFolder
+        {
+            get
+            {
+                return !IsAccessedByName;
+            }
+        }
+
+        [IgnoreDataMember]
+        public override bool SupportsInheritedParentImages
+        {
+            get
+            {
+                return false;
+            }
+        }
+
+        [IgnoreDataMember]
+        public override bool SupportsCumulativeRunTimeTicks
+        {
+            get
+            {
+                return true;
+            }
+        }
+
+        [IgnoreDataMember]
+        public override bool IsDisplayedAsFolder
+        {
+            get
+            {
+                return true;
+            }
+        }
+
+        [IgnoreDataMember]
+        public override bool SupportsAddingToPlaylist
+        {
+            get { return true; }
+        }
+
+        [IgnoreDataMember]
+        public override bool SupportsPlayedStatus
+        {
+            get
+            {
+                return false;
+            }
+        }
+
+        public override double GetDefaultPrimaryImageAspectRatio()
+        {
+            return 1;
+        }
+
+        public override bool CanDelete()
+        {
+            return !IsAccessedByName;
+        }
+
+        public IList<BaseItem> GetTaggedItems(InternalItemsQuery query)
+        {
+            if (query.IncludeItemTypes.Length == 0)
+            {
+                query.IncludeItemTypes = new[] { typeof(Audio).Name, typeof(MusicVideo).Name, typeof(MusicAlbum).Name };
+                query.ArtistIds = new[] { Id };
+            }
+
+            return LibraryManager.GetItemList(query);
+        }
+
+        [IgnoreDataMember]
+        public override IEnumerable<BaseItem> Children
+        {
+            get
+            {
+                if (IsAccessedByName)
+                {
+                    return new List<BaseItem>();
+                }
+
+                return base.Children;
+            }
+        }
+
+        public override int GetChildCount(User user)
+        {
+            if (IsAccessedByName)
+            {
+                return 0;
+            }
+            return base.GetChildCount(user);
+        }
+
+        public override bool IsSaveLocalMetadataEnabled()
+        {
+            if (IsAccessedByName)
+            {
+                return true;
+            }
+
+            return base.IsSaveLocalMetadataEnabled();
+        }
+
+        private readonly Task _cachedTask = Task.FromResult(true);
+        protected override Task ValidateChildrenInternal(IProgress<double> progress, CancellationToken cancellationToken, bool recursive, bool refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService)
+        {
+            if (IsAccessedByName)
+            {
+                // Should never get in here anyway
+                return _cachedTask;
+            }
+
+            return base.ValidateChildrenInternal(progress, cancellationToken, recursive, refreshChildMetadata, refreshOptions, directoryService);
+        }
+
+        public override List<string> GetUserDataKeys()
+        {
+            var list = base.GetUserDataKeys();
+
+            list.InsertRange(0, GetUserDataKeys(this));
+            return list;
+        }
+
+        /// <summary>
+        /// Returns the folder containing the item.
+        /// If the item is a folder, it returns the folder itself
+        /// </summary>
+        /// <value>The containing folder path.</value>
+        [IgnoreDataMember]
+        public override string ContainingFolderPath
+        {
+            get
+            {
+                return Path;
+            }
+        }
+
+        /// <summary>
+        /// Gets the user data key.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <returns>System.String.</returns>
+        private static List<string> GetUserDataKeys(MusicArtist item)
+        {
+            var list = new List<string>();
+            var id = item.GetProviderId(MetadataProviders.MusicBrainzArtist);
+
+            if (!string.IsNullOrEmpty(id))
+            {
+                list.Add("Artist-Musicbrainz-" + id);
+            }
+
+            list.Add("Artist-" + (item.Name ?? string.Empty).RemoveDiacritics());
+            return list;
+        }
+        public override string CreatePresentationUniqueKey()
+        {
+            return "Artist-" + (Name ?? string.Empty).RemoveDiacritics();
+        }
+        protected override bool GetBlockUnratedValue(UserPolicy config)
+        {
+            return config.BlockUnratedItems.Contains(UnratedItem.Music);
+        }
+
+        public override UnratedItem GetBlockUnratedType()
+        {
+            return UnratedItem.Music;
+        }
+
+        public ArtistInfo GetLookupInfo()
+        {
+            var info = GetItemLookupInfo<ArtistInfo>();
+
+            info.SongInfos = GetRecursiveChildren(i => i is Audio)
+                .Cast<Audio>()
+                .Select(i => i.GetLookupInfo())
+                .ToList();
+
+            return info;
+        }
+
+        [IgnoreDataMember]
+        public override bool SupportsPeople
+        {
+            get
+            {
+                return false;
+            }
+        }
+
+        public static string GetPath(string name)
+        {
+            return GetPath(name, true);
+        }
+
+        public static string GetPath(string name, bool normalizeName)
+        {
+            // Trim the period at the end because windows will have a hard time with that
+            var validName = normalizeName ?
+                FileSystem.GetValidFilename(name).Trim().TrimEnd('.') :
+                name;
+
+            return System.IO.Path.Combine(ConfigurationManager.ApplicationPaths.ArtistsPath, validName);
+        }
+
+        private string GetRebasedPath()
+        {
+            return GetPath(System.IO.Path.GetFileName(Path), false);
+        }
+
+        public override bool RequiresRefresh()
+        {
+            if (IsAccessedByName)
+            {
+                var newPath = GetRebasedPath();
+                if (!string.Equals(Path, newPath, StringComparison.Ordinal))
+                {
+                    Logger.Debug("{0} path has changed from {1} to {2}", GetType().Name, Path, newPath);
+                    return true;
+                }
+            }
+            return base.RequiresRefresh();
+        }
+
+        /// <summary>
+        /// This is called before any metadata refresh and returns true or false indicating if changes were made
+        /// </summary>
+        public override bool BeforeMetadataRefresh(bool replaceAllMetdata)
+        {
+            var hasChanges = base.BeforeMetadataRefresh(replaceAllMetdata);
+
+            if (IsAccessedByName)
+            {
+                var newPath = GetRebasedPath();
+                if (!string.Equals(Path, newPath, StringComparison.Ordinal))
+                {
+                    Path = newPath;
+                    hasChanges = true;
+                }
+            }
+
+            return hasChanges;
+        }
+    }
+}