to do req_bill_format and status changed after pay

app/models/sale_item.rb

@@ -29,6 +29,32 @@ class SaleItem < ApplicationRecord
     #   return false
     # end
   end
+
+  def self.calculate_food_beverage(sale_items)
+    food_prices=0
+    beverage_prices=0
+
+    sale_items.each do |si|
+      food_price = get_food_price(si.sale_item_id)
+      beverage_price = get_beverage_price(si.sale_item_id)
+
+      food_prices += food_price
+      beverage_prices += beverage_price
+    end
+    return food_prices, beverage_prices
+  end
+
+  def get_food_price(sale_item_id)
+    food_price=SaleItem.select("sale_items.price")
+                          .joins("left join menu_items on menu_items.item_code = sale_items.product_code")
+                          .where("sale_items.sale_item_id=? and menu_items.account_id=0", sale_item_id)
+  end
+
+  def get_beverage_price(sale_item_id)
+    beverage_price=SaleItem.select("sale_items.price")
+                          .joins("left join menu_items on menu_items.item_code = sale_items.product_code")
+                          .where("sale_items.sale_item_id=? and menu_items.account_id=1", sale_item_id)
+  end
   
   private
   def generate_custom_id