update for shift and deving member dis

db/migrate/20170626191519_create_shift_sales.rb

@@ -21,6 +21,8 @@ class CreateShiftSales < ActiveRecord::Migration[5.1]
       t.integer :dining_count, :default => 0
       t.integer :takeaway_count, :default => 0
       t.integer :member_count, :default => 0
+      t.integer :total_receipt, :default => 0
+      t.integer :total_void, :default => 0
       t.timestamps
     end
   end

db/migrate/20170701101420_create_sales.rb

@@ -13,6 +13,7 @@ class CreateSales < ActiveRecord::Migration[5.1]
       t.string  :payment_status, :null => false, :default => "outstanding"
       t.string  :sale_status, :null => false, :default => "new"
       t.decimal :total_amount, :precision => 10, :scale => 2, :null => false, :default => 0.00
+      t.string :discount_type, :default => "overall"
       t.decimal :total_discount, :precision => 10, :scale => 2, :null => false, :default => 0.00
       t.decimal :total_tax, :precision => 10, :scale => 2, :null => false, :default => 0.00
       t.string  :tax_type, :null => false , :dfault => "exclusive_tax"