Adding transactions

-Need to create a customers table to store contact information of customers who are not a user.
-Need to scope "User Transactions" for users, staff, and admin. Need to have a "All Shop Transactions" tab.
-Need to add conditional UX to form.

app/models/bike.rb

@@ -2,6 +2,8 @@ class Bike < ActiveRecord::Base
   acts_as_loggable
   attr_accessible :serial_number, :bike_brand_id, :bike_model_id, :color, :bike_style_id, :seat_tube_height,
     :top_tube_length, :wheel_size, :value, :bike_condition_id, :bike_status_id
+  
+  has_many :transactions
 
   has_one :owner, :class_name => 'User'
   belongs_to :bike_brand

app/models/transaction.rb

@@ -0,0 +1,8 @@
+class Transaction < ActiveRecord::Base
+  acts_as_loggable
+  attr_accessible :vendor_id, :customer_id, :customer_type, :bike_id, :amount, :item
+
+  belongs_to :vendor, :class_name => 'User', :foreign_key => 'vendor_id'
+  belongs_to :bike
+
+end

app/models/user.rb

@@ -10,6 +10,7 @@ class User < ActiveRecord::Base
     :first_name, :last_name, :nickname, :user_role_id, :bike_id,
     :user_profiles_attributes
 
+  has_many :transactions
   has_many :user_profiles
   accepts_nested_attributes_for :user_profiles, allow_destroy: false