use conditional caching on some json responses

MediaBrowser.Providers/Manager/MetadataService.cs

@@ -100,8 +100,6 @@ namespace MediaBrowser.Providers.Manager
                     refreshResult.SetDateLastMetadataRefresh(DateTime.UtcNow);
                     refreshResult.AddImageProvidersRefreshed(result.Providers);
                 }
-
-                updateType = updateType | AfterMetadataRefresh(itemOfType);
             }
 
             // Next run remote image providers, but only if local image providers didn't throw an exception
@@ -120,6 +118,8 @@ namespace MediaBrowser.Providers.Manager
                 }
             }
 
+            updateType = updateType | BeforeSave(itemOfType);
+
             var providersHadChanges = updateType > ItemUpdateType.Unspecified;
 
             if (refreshOptions.ForceSave || providersHadChanges)
@@ -148,15 +148,6 @@ namespace MediaBrowser.Providers.Manager
                 _defaultOptions;
         }
 
-        /// <summary>
-        /// Afters the metadata refresh.
-        /// </summary>
-        /// <param name="item">The item.</param>
-        protected virtual ItemUpdateType AfterMetadataRefresh(TItemType item)
-        {
-            return ItemUpdateType.Unspecified;
-        }
-
         /// <summary>
         /// Befores the metadata refresh.
         /// </summary>
@@ -167,6 +158,16 @@ namespace MediaBrowser.Providers.Manager
             return ItemUpdateType.Unspecified;
         }
 
+        /// <summary>
+        /// Befores the save.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <returns>ItemUpdateType.</returns>
+        protected virtual ItemUpdateType BeforeSave(TItemType item)
+        {
+            return ItemUpdateType.Unspecified;
+        }
+
         /// <summary>
         /// Gets the providers.
         /// </summary>