employee login and authentication with session

db/migrate/20170403155230_create_employees.rb

@@ -3,8 +3,11 @@ class CreateEmployees < ActiveRecord::Migration[5.0]
     create_table :employees do |t|
       t.string :name, :null => false
       t.string :role, :null => false, :default => "cashier"
-      t.string :encrypted_access_code, :null => false
-
+      t.string :emp_id, :null => false
+      t.string :password_digest, :null => false
+      t.string :token_session
+      t.datetime :session_expiry
+      t.datetime :session_last_login
       t.timestamps
     end
   end

db/migrate/20170404041147_create_table_booking_orders.rb

@@ -1,10 +0,0 @@
-class CreateTableBookingOrders < ActiveRecord::Migration[5.0]
-  def change
-    create_table :table_booking_orders do |t|
-      t.references :table_booking
-      t.references :order, foreign_key: true
-
-      t.timestamps
-    end
-  end
-end

db/migrate/20170404041218_create_room_booking_orders.rb

@@ -1,10 +0,0 @@
-class CreateRoomBookingOrders < ActiveRecord::Migration[5.0]
-  def change
-    create_table :room_booking_orders do |t|
-      t.references :room_booking
-      t.references :order, foreign_key: true
-
-      t.timestamps
-    end
-  end
-end

db/migrate/20170414110918_create_booking_orders.rb

@@ -0,0 +1,10 @@
+class CreateBookingOrders < ActiveRecord::Migration[5.0]
+  def change
+    create_table :booking_orders do |t|
+      t.references :booking, foreign_key: true
+      t.references :order, foreign_key: true
+
+      t.timestamps
+    end
+  end
+end