1 files changed, 112 insertions, 0 deletions
diff --git a/MediaBrowser.Api/FilterService.cs b/MediaBrowser.Api/FilterService.cs
new file mode 100644
index 000000000..fb51b2bdd
--- /dev/null
+++ b/MediaBrowser.Api/FilterService.cs
@@ -0,0 +1,112 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Net;
+using MediaBrowser.Model.Querying;
+using ServiceStack;
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Api
+{
+    [Route("/Items/Filters", "GET", Summary = "Gets branding configuration")]
+    public class GetQueryFilters : IReturn<QueryFilters>
+    {
+        /// <summary>
+        /// Gets or sets the user id.
+        /// </summary>
+        /// <value>The user id.</value>
+        [ApiMember(Name = "UserId", Description = "User Id", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
+        public string UserId { get; set; }
+
+        [ApiMember(Name = "ParentId", Description = "Specify this to localize the search to a specific item or folder. Omit to use the root", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
+        public string ParentId { get; set; }
+
+        [ApiMember(Name = "IncludeItemTypes", Description = "Optional. If specified, results will be filtered based on item type. This allows multiple, comma delimeted.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET", AllowMultiple = true)]
+        public string IncludeItemTypes { get; set; }
+
+        [ApiMember(Name = "MediaTypes", Description = "Optional filter by MediaType. Allows multiple, comma delimited.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET", AllowMultiple = true)]
+        public string MediaTypes { get; set; }
+
+        public string[] GetMediaTypes()
+        {
+            return (MediaTypes ?? string.Empty).Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+        }
+
+        public string[] GetIncludeItemTypes()
+        {
+            return (IncludeItemTypes ?? string.Empty).Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+        }
+    }
+
+    [Authenticated]
+    public class FilterService : BaseApiService
+    {
+        private readonly ILibraryManager _libraryManager;
+        private readonly IUserManager _userManager;
+
+        public FilterService(ILibraryManager libraryManager, IUserManager userManager)
+        {
+            _libraryManager = libraryManager;
+            _userManager = userManager;
+        }
+
+        public async Task<object> Get(GetQueryFilters request)
+        {
+            var parentItem = string.IsNullOrEmpty(request.ParentId) ? null : _libraryManager.GetItemById(request.ParentId);
+            var user = !string.IsNullOrWhiteSpace(request.UserId) ? _userManager.GetUserById(request.UserId) : null;
+
+            var item = string.IsNullOrEmpty(request.ParentId) ?
+               user == null ? _libraryManager.RootFolder : user.RootFolder :
+               parentItem;
+
+            var result = await ((Folder)item).GetItems(GetItemsQuery(request, user));
+
+            return ToOptimizedResult(GetFilters(result.Items));
+        }
+
+        private QueryFilters GetFilters(BaseItem[] items)
+        {
+            var result = new QueryFilters();
+
+            result.Years = items.Select(i => i.ProductionYear ?? -1)
+                .Where(i => i > 0)
+                .Distinct()
+                .OrderBy(i => i)
+                .ToArray();
+
+            result.Genres = items.SelectMany(i => i.Genres)
+                .Distinct(StringComparer.OrdinalIgnoreCase)
+                .OrderBy(i => i)
+                .ToArray();
+
+            result.Tags = items.OfType<IHasTags>()
+                .SelectMany(i => i.Tags)
+                .Distinct(StringComparer.OrdinalIgnoreCase)
+                .OrderBy(i => i)
+                .ToArray();
+
+            result.OfficialRatings = items
+                .Select(i => i.OfficialRating)
+                .Where(i => !string.IsNullOrWhiteSpace(i))
+                .Distinct(StringComparer.OrdinalIgnoreCase)
+                .OrderBy(i => i)
+                .ToArray();
+
+            return result;
+        }
+
+        private InternalItemsQuery GetItemsQuery(GetQueryFilters request, User user)
+        {
+            var query = new InternalItemsQuery
+            {
+                User = user,
+                MediaTypes = request.GetMediaTypes(),
+                IncludeItemTypes = request.GetIncludeItemTypes(),
+                Recursive = true
+            };
+
+            return query;
+        }
+    }
+}