1 files changed, 75 insertions, 0 deletions
diff --git a/MediaBrowser.Api/HttpHandlers/YearsHandler.cs b/MediaBrowser.Api/HttpHandlers/YearsHandler.cs
new file mode 100644
index 000000000..7c90768e8
--- /dev/null
+++ b/MediaBrowser.Api/HttpHandlers/YearsHandler.cs
@@ -0,0 +1,75 @@
+using MediaBrowser.Common.Net.Handlers;
+using MediaBrowser.Controller;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Model.DTO;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.Linq;
+using System.Net;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Api.HttpHandlers
+{
+    [Export(typeof(BaseHandler))]
+    public class YearsHandler : BaseSerializationHandler<IbnItem[]>
+    {
+        public override bool HandlesRequest(HttpListenerRequest request)
+        {
+            return ApiService.IsApiUrlMatch("years", request);
+        }
+
+        protected override Task<IbnItem[]> GetObjectToSerialize()
+        {
+            var parent = ApiService.GetItemById(QueryString["id"]) as Folder;
+            User user = ApiService.GetUserById(QueryString["userid"], true);
+
+            return GetAllYears(parent, user);
+        }
+
+        /// <summary>
+        /// Gets all years from all recursive children of a folder
+        /// The CategoryInfo class is used to keep track of the number of times each year appears
+        /// </summary>
+        private async Task<IbnItem[]> GetAllYears(Folder parent, User user)
+        {
+            var data = new Dictionary<int, int>();
+
+            // Get all the allowed recursive children
+            IEnumerable<BaseItem> allItems = parent.GetRecursiveChildren(user);
+
+            foreach (var item in allItems)
+            {
+                // Add the year from the item to the data dictionary
+                // If the year already exists, increment the count
+                if (item.ProductionYear == null)
+                {
+                    continue;
+                }
+
+                if (!data.ContainsKey(item.ProductionYear.Value))
+                {
+                    data.Add(item.ProductionYear.Value, 1);
+                }
+                else
+                {
+                    data[item.ProductionYear.Value]++;
+                }
+            }
+
+            // Get the Year objects
+            Year[] entities = await Task.WhenAll(data.Keys.Select(key => Kernel.Instance.ItemController.GetYear(key))).ConfigureAwait(false);
+
+            // Convert to an array of IBNItem
+            var items = new IbnItem[entities.Length];
+
+            for (int i = 0; i < entities.Length; i++)
+            {
+                Year e = entities[i];
+
+                items[i] = ApiService.GetIbnItem(e, data[int.Parse(e.Name)]);
+            }
+
+            return items;
+        }
+    }
+}