Use models to sort data when possible

app/models/bike.rb

@@ -12,6 +12,8 @@ class Bike < ActiveRecord::Base
   belongs_to :bike_condition
   belongs_to :bike_purpose
 
+  default_scope order('shop_id ASC')
+
   validates :shop_id, :presence => true, :uniqueness => true, :length => { :minimum => 3 }
   validates :serial_number, :length => { :minimum => 3 }
   validates :model, :length => { :maximum => 50 }

app/models/user.rb

@@ -20,6 +20,8 @@ class User < ActiveRecord::Base
 
   belongs_to :bike
 
+  default_scope order('username ASC')
+
   validates :first_name, :presence => true
   validates :last_name, :presence => true