#715 - Support creating/editing collections (boxsets) in web client

MediaBrowser.Server.Implementations/Collections/CollectionsDynamicFolder.cs

@@ -0,0 +1,55 @@
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Controller.Entities;
+using System.IO;
+using System.Linq;
+
+namespace MediaBrowser.Server.Implementations.Collections
+{
+    public class CollectionsDynamicFolder : IVirtualFolderCreator
+    {
+        private readonly IApplicationPaths _appPaths;
+
+        public CollectionsDynamicFolder(IApplicationPaths appPaths)
+        {
+            _appPaths = appPaths;
+        }
+
+        public BasePluginFolder GetFolder()
+        {
+            var path = Path.Combine(_appPaths.DataPath, "collections");
+
+            Directory.CreateDirectory(path);
+
+            return new ManualCollectionsFolder
+            {
+                Path = path
+            };
+        }
+    }
+
+    public class ManualCollectionsFolder : BasePluginFolder
+    {
+        public ManualCollectionsFolder()
+        {
+            Name = "Collections";
+        }
+
+        public override bool IsVisible(User user)
+        {
+            if (!GetChildren(user, true).Any())
+            {
+                return false;
+            }
+
+            return base.IsVisible(user);
+        }
+
+        public override bool IsHidden
+        {
+            get
+            {
+                return !ActualChildren.Any() || base.IsHidden;
+            }
+        }
+    }
+}