fix bulk revert

app/controllers/moderator/bulk_reverts_controller.rb

@@ -9,7 +9,7 @@ module Moderator
     end
 
     def create
-      @bulk_revert = BulkRevert.new(@constraints)
+      @bulk_revert = BulkRevert.new
 
       if params[:commit] == "Test"
         @bulk_revert.preview

app/logical/bulk_revert.rb

@@ -4,7 +4,9 @@ class BulkRevert
 
   class ConstraintTooGeneralError < Exception ; end
 
-  def process
+  def process(constraints)
+    @constraints = constraints
+    
     ModAction.log("#{CurrentUser.name} processed bulk revert for #{constraints.inspect}")
 
     find_post_versions.order("updated_at, id").each do |version|
@@ -12,8 +14,7 @@ class BulkRevert
     end
   end
 
-  def initialize(constraints)
+  def initialize
-    @constraints = constraints
   end
 
   def preview