stub in preview for bulk revert

app/controllers/moderator/bulk_reverts_controller.rb

@@ -0,0 +1,24 @@
+module Moderator
+  class BulkRevertsController < ApplicationController
+    before_filter :moderator_only
+    helper PostVersionsHelper
+
+    def new
+      @constraints = params[:constraints] || {}
+    end
+
+    def create
+      @constraints = params[:constraints] || {}
+      @bulk_revert = BulkRevert.new(@constraints)
+
+      if params[:commit] == "Test"
+        @bulk_revert.preview
+        render action: "new"
+      else
+        @bulk_revert.process!
+        flash[:notice] = "Reverts queued"
+        redirect_to new_bulk_revert_path
+      end
+    end
+  end
+end