Fix structure reorder position

app/controllers/admin/items_controller.rb

@@ -27,7 +27,7 @@ class Admin::ItemsController < OrbitBackendController
 
   def update_position
     item = Item.find(params[:id])
-    item.shift_to(params[:parent_id], params[:position])
+    item.shift_to(params[:parent_id], params[:position].to_i - 1)
     render :nothing => true
   end
   

app/models/item.rb

@@ -45,9 +45,10 @@ class Item
   end
 
   def shift_to(new_parent, position)
-    unless self.parent_id.to_s.eql?(new_parent) && self.position.eql?(position.to_i)
+    position = position.to_i
+    unless self.parent_id.to_s.eql?(new_parent) && self.position == position
       new_parent = Item.find(new_parent)
-      current_position_sibling = find_by_parent_and_position(new_parent, position.to_i)
+      current_position_sibling = find_by_parent_and_position(new_parent, position)
       if current_position_sibling
         move_above(current_position_sibling)
       elsif self.parent != new_parent