1 files changed, 187 insertions, 0 deletions
diff --git a/MediaBrowser.Api/UserLibrary/ArtistsService.cs b/MediaBrowser.Api/UserLibrary/ArtistsService.cs
new file mode 100644
index 000000000..2622f0bd1
--- /dev/null
+++ b/MediaBrowser.Api/UserLibrary/ArtistsService.cs
@@ -0,0 +1,187 @@
+using MediaBrowser.Controller.Dto;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Persistence;
+using MediaBrowser.Model.Dto;
+using MediaBrowser.Model.Querying;
+using ServiceStack.ServiceHost;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Api.UserLibrary
+{
+    /// <summary>
+    /// Class GetArtists
+    /// </summary>
+    [Route("/Artists", "GET")]
+    [Api(Description = "Gets all artists from a given item, folder, or the entire library")]
+    public class GetArtists : GetItemsByName
+    {
+    }
+
+    /// <summary>
+    /// Class GetArtistsItemCounts
+    /// </summary>
+    [Route("/Artists/{Name}/Counts", "GET")]
+    [Api(Description = "Gets item counts of library items that an artist appears in")]
+    public class GetArtistsItemCounts : IReturn<ItemByNameCounts>
+    {
+        /// <summary>
+        /// Gets or sets the user id.
+        /// </summary>
+        /// <value>The user id.</value>
+        [ApiMember(Name = "UserId", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
+        public Guid UserId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        [ApiMember(Name = "Name", Description = "The artist name", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
+        public string Name { get; set; }
+    }
+
+    [Route("/Artists/{Name}", "GET")]
+    [Api(Description = "Gets an artist, by name")]
+    public class GetArtist : IReturn<BaseItemDto>
+    {
+        /// <summary>
+        /// Gets or sets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        [ApiMember(Name = "Name", Description = "The artist name", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Gets or sets the user id.
+        /// </summary>
+        /// <value>The user id.</value>
+        [ApiMember(Name = "UserId", Description = "Optional. Filter by user id, and attach user data", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
+        public Guid? UserId { get; set; }
+    }
+
+    /// <summary>
+    /// Class ArtistsService
+    /// </summary>
+    public class ArtistsService : BaseItemsByNameService<Artist>
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ArtistsService"/> class.
+        /// </summary>
+        /// <param name="userManager">The user manager.</param>
+        /// <param name="libraryManager">The library manager.</param>
+        /// <param name="userDataRepository">The user data repository.</param>
+        public ArtistsService(IUserManager userManager, ILibraryManager libraryManager, IUserDataRepository userDataRepository)
+            : base(userManager, libraryManager, userDataRepository)
+        {
+        }
+
+        /// <summary>
+        /// Gets the specified request.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        /// <returns>System.Object.</returns>
+        public object Get(GetArtist request)
+        {
+            var result = GetItem(request).Result;
+
+            return ToOptimizedResult(result);
+        }
+
+        /// <summary>
+        /// Gets the item.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        /// <returns>Task{BaseItemDto}.</returns>
+        private async Task<BaseItemDto> GetItem(GetArtist request)
+        {
+            var item = await LibraryManager.GetArtist(request.Name).ConfigureAwait(false);
+
+            // Get everything
+            var fields = Enum.GetNames(typeof(ItemFields)).Select(i => (ItemFields)Enum.Parse(typeof(ItemFields), i, true));
+
+            var builder = new DtoBuilder(Logger, LibraryManager, UserDataRepository);
+
+            if (request.UserId.HasValue)
+            {
+                var user = UserManager.GetUserById(request.UserId.Value);
+
+                return await builder.GetBaseItemDto(item, user, fields.ToList()).ConfigureAwait(false);
+            }
+
+            return await builder.GetBaseItemDto(item, fields.ToList()).ConfigureAwait(false);
+        }
+
+        /// <summary>
+        /// Gets the specified request.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        /// <returns>System.Object.</returns>
+        public object Get(GetArtistsItemCounts request)
+        {
+            var items = GetItems(request.UserId).OfType<Audio>().Where(i => i.HasArtist(request.Name)).ToList();
+
+            var counts = new ItemByNameCounts
+            {
+                TotalCount = items.Count,
+
+                SongCount = items.Count(),
+
+                AlbumCount = items.Select(i => i.Parent).OfType<MusicAlbum>().Distinct().Count()
+            };
+
+            return ToOptimizedResult(counts);
+        }
+
+        /// <summary>
+        /// Gets the specified request.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        /// <returns>System.Object.</returns>
+        public object Get(GetArtists request)
+        {
+            var result = GetResult(request).Result;
+
+            return ToOptimizedResult(result);
+        }
+
+        /// <summary>
+        /// Gets all items.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        /// <param name="items">The items.</param>
+        /// <returns>IEnumerable{Tuple{System.StringFunc{System.Int32}}}.</returns>
+        protected override IEnumerable<IbnStub<Artist>> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items)
+        {
+            var itemsList = items.OfType<Audio>().ToList();
+
+            return itemsList
+                .SelectMany(i =>
+                    {
+                        var list = i.Artists.ToList();
+
+                        if (!string.IsNullOrEmpty(i.AlbumArtist))
+                        {
+                            list.Add(i.AlbumArtist);
+                        }
+
+                        return list;
+                    })
+                .Distinct(StringComparer.OrdinalIgnoreCase)
+                .Select(name => new IbnStub<Artist>(name, () => itemsList.Where(i => i.HasArtist(name)), GetEntity));
+        }
+
+        /// <summary>
+        /// Gets the entity.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <returns>Task{Artist}.</returns>
+        protected Task<Artist> GetEntity(string name)
+        {
+            return LibraryManager.GetArtist(name);
+        }
+    }
+}