sync updates

MediaBrowser.Model/MediaBrowser.Model.csproj

@@ -370,6 +370,7 @@
     <Compile Include="Sync\DeviceFileInfo.cs" />
     <Compile Include="Sync\ItemFIleInfo.cs" />
     <Compile Include="Sync\ItemFileType.cs" />
+    <Compile Include="Sync\LocalItem.cs" />
     <Compile Include="Sync\SyncCategory.cs" />
     <Compile Include="Sync\SyncDialogOptions.cs" />
     <Compile Include="Sync\SyncedItem.cs" />

MediaBrowser.Model/Net/MimeTypes.cs

@@ -72,7 +72,7 @@ namespace MediaBrowser.Model.Net
                 {".asf", "video/x-ms-asf"},
                 {".m4v", "video/x-m4v"}
             };
-        
+
         private static readonly Dictionary<string, string> ExtensionLookup =
            MimeTypeLookup
            .GroupBy(i => i.Value)
@@ -267,7 +267,17 @@ namespace MediaBrowser.Model.Net
 
         public static string ToExtension(string mimeType)
         {
-            return ExtensionLookup[mimeType];
+            if (string.IsNullOrEmpty(mimeType))
+            {
+                throw new ArgumentNullException("mimeType");
+            }
+
+            string result;
+            if (ExtensionLookup.TryGetValue(mimeType, out result))
+            {
+                return result;
+            }
+            throw new ArgumentNullException("Unable to determine extension for mimeType: " + mimeType);
         }
     }
 }

MediaBrowser.Model/Sync/ItemFIleInfo.cs

@@ -24,10 +24,5 @@ namespace MediaBrowser.Model.Sync
         /// </summary>
         /// <value>The type of the image.</value>
         public ImageType ImageType { get; set; }
-        /// <summary>
-        /// Gets or sets the item identifier.
-        /// </summary>
-        /// <value>The item identifier.</value>
-        public string ItemId { get; set; }
     }
 }

MediaBrowser.Model/Sync/LocalItem.cs

@@ -0,0 +1,33 @@
+using MediaBrowser.Model.Dto;
+
+namespace MediaBrowser.Model.Sync
+{
+    public class LocalItem
+    {
+        /// <summary>
+        /// Gets or sets the item.
+        /// </summary>
+        /// <value>The item.</value>
+        public BaseItemDto Item { get; set; }
+        /// <summary>
+        /// Gets or sets the local path.
+        /// </summary>
+        /// <value>The local path.</value>
+        public string[] LocalPath { get; set; }
+        /// <summary>
+        /// Gets or sets the server identifier.
+        /// </summary>
+        /// <value>The server identifier.</value>
+        public string ServerId { get; set; }
+        /// <summary>
+        /// Gets or sets the unique identifier.
+        /// </summary>
+        /// <value>The unique identifier.</value>
+        public string UniqueId { get; set; }
+        /// <summary>
+        /// Gets or sets the item identifier.
+        /// </summary>
+        /// <value>The item identifier.</value>
+        public string ItemId { get; set; }
+    }
+}