1 files changed, 94 insertions, 0 deletions
diff --git a/MediaBrowser.Controller/Entities/BaseEntity.cs b/MediaBrowser.Controller/Entities/BaseEntity.cs
new file mode 100644
index 000000000..5b4a360c1
--- /dev/null
+++ b/MediaBrowser.Controller/Entities/BaseEntity.cs
@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.IO;
+using MediaBrowser.Controller.Providers;
+
+namespace MediaBrowser.Controller.Entities
+{
+    /// <summary>
+    /// Provides a base entity for all of our types
+    /// </summary>
+    public abstract class BaseEntity
+    {
+        public string Name { get; set; }
+
+        public Guid Id { get; set; }
+
+        public string Path { get; set; }
+
+        public Folder Parent { get; set; }
+
+        public string PrimaryImagePath { get; set; }
+
+        public DateTime DateCreated { get; set; }
+
+        public DateTime DateModified { get; set; }
+
+        public override string ToString()
+        {
+            return Name;
+        }
+        protected Dictionary<Guid, BaseProviderInfo> _providerData;
+        /// <summary>
+        /// Holds persistent data for providers like last refresh date.
+        /// Providers can use this to determine if they need to refresh.
+        /// The BaseProviderInfo class can be extended to hold anything a provider may need.
+        /// 
+        /// Keyed by a unique provider ID.
+        /// </summary>
+        public Dictionary<Guid, BaseProviderInfo> ProviderData
+        {
+            get
+            {
+                if (_providerData == null) _providerData = new Dictionary<Guid, BaseProviderInfo>();
+                return _providerData;
+            }
+            set
+            {
+                _providerData = value;
+            }
+        }
+
+        protected ItemResolveEventArgs _resolveArgs;
+        /// <summary>
+        /// We attach these to the item so that we only ever have to hit the file system once
+        /// (this includes the children of the containing folder)
+        /// Use ResolveArgs.FileSystemChildren to check for the existence of files instead of File.Exists
+        /// </summary>
+        public ItemResolveEventArgs ResolveArgs
+        {
+            get
+            {
+                if (_resolveArgs == null)
+                {
+                    _resolveArgs = new ItemResolveEventArgs()
+                    {
+                        FileInfo = FileData.GetFileData(this.Path),
+                        Parent = this.Parent,
+                        Cancel = false,
+                        Path = this.Path
+                    };
+                    _resolveArgs = FileSystemHelper.FilterChildFileSystemEntries(_resolveArgs, (this.Parent != null && this.Parent.IsRoot));
+                }
+                return _resolveArgs;
+            }
+            set
+            {
+                _resolveArgs = value;
+            }
+        }
+
+        /// <summary>
+        /// Refresh metadata on us by execution our provider chain
+        /// </summary>
+        /// <returns>true if a provider reports we changed</returns>
+        public bool RefreshMetadata()
+        {
+            Kernel.Instance.ExecuteMetadataProviders(this).ConfigureAwait(false);
+            return true;
+        }
+
+    }
+}