osaka menu rake

app/models/menu_category.rb

@@ -1,5 +1,4 @@
-class MenuCategory < ApplicationRecord
-  
+class MenuCategory < ApplicationRecord  
   before_create :generate_menu_category_code
 
   belongs_to :menu
@@ -7,7 +6,7 @@ class MenuCategory < ApplicationRecord
   belongs_to :parent, :class_name => "MenuCategory", foreign_key: "menu_category_id", optional: true
   has_many :menu_items
 
-  validates_presence_of :name, :menu, :code, :order_by
+  validates_presence_of :name, :menu, :order_by
 
   default_scope { order('order_by asc') }
 
@@ -38,7 +37,7 @@ class MenuCategory < ApplicationRecord
 
   private
 
-  def generate_menu_category_code
-    self.code = SeedGenerator.generate_code(self.class.name, "C")
+  def generate_menu_category_code        
+    self.code = SeedGenerator.generate_code(self.class.name, "C")    
   end
 end