Initial check-in

MediaBrowser.Model/Entities/Folder.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.IO;
+using Newtonsoft.Json;
+
+namespace MediaBrowser.Model.Entities
+{
+    public class Folder : BaseItem
+    {
+        public bool IsRoot { get; set; }
+
+        public bool IsVirtualFolder
+        {
+            get
+            {
+                return Parent != null && Parent.IsRoot;
+            }
+        }
+
+        [JsonIgnore]
+        public BaseItem[] Children { get; set; }
+
+        [JsonIgnore]
+        public IEnumerable<Folder> FolderChildren { get { return Children.OfType<Folder>(); } }
+
+        public Folder GetFolderByName(string name)
+        {
+            return FolderChildren.FirstOrDefault(f => System.IO.Path.GetFileName(f.Path).Equals(name, StringComparison.OrdinalIgnoreCase));
+        }
+
+        /// <summary>
+        /// Finds an item by ID, recursively
+        /// </summary>
+        public BaseItem FindById(Guid id)
+        {
+            if (Id == id)
+            {
+                return this;
+            }
+
+            foreach (BaseItem item in Children)
+            {
+                if (item.Id == id)
+                {
+                    return item;
+                }
+            }
+
+            foreach (Folder folder in FolderChildren)
+            {
+                BaseItem item = folder.FindById(id);
+
+                if (item != null)
+                {
+                    return item;
+                }
+            }
+
+            return null;
+        }
+
+        /// <summary>
+        /// Finds an item by path, recursively
+        /// </summary>
+        public BaseItem FindByPath(string path)
+        {
+            if (Path.Equals(path, StringComparison.OrdinalIgnoreCase))
+            {
+                return this;
+            }
+
+            foreach (BaseItem item in Children)
+            {
+                if (item.Path.Equals(path, StringComparison.OrdinalIgnoreCase))
+                {
+                    return item;
+                }
+            }
+
+            foreach (Folder folder in FolderChildren)
+            {
+                BaseItem item = folder.FindByPath(path);
+
+                if (item != null)
+                {
+                    return item;
+                }
+            }
+
+            return null;
+        }
+    }
+}