add qr loading animation

app/controllers/foodcourt/qrpay_controller.rb

@@ -57,19 +57,6 @@ class Foodcourt::QrpayController < BaseFoodcourtController
       amount = SalePayment.get_kbz_pay_amount(sale_id, current_user)
       @kbz_pay_amount += amount.to_f
 
-      #for changable on/off
-      @changable_tax = true
-      lookup_changable_tax = Lookup.collection_of('changable_tax')
-      if !lookup_changable_tax.empty?
-        lookup_changable_tax.each do |changable_tax|
-          if changable_tax[0].downcase == "change"
-            if changable_tax[1] == '0'
-              @changable_tax = false
-            end
-          end
-        end
-      end
-
       # @shop        =  shop_detail  #show shop info
 
       @customer_lists = Customer.where(name: ["WALK-IN", "TAKEAWAY"])
@@ -82,24 +69,6 @@ class Foodcourt::QrpayController < BaseFoodcourtController
           @individual_total.push({'total_customer' => saleObj.equal_persons.to_i, 'per_person_amount' => per_person_amount.to_f })
       end
 
-      # rounding adjustment
-      # if @shop.is_rounding_adj
-      #   a = saleObj.grand_total % 25 # Modulus
-      #   b = saleObj.grand_total / 25 # Division
-      #   #not calculate rounding if modulus is 0 and division is even
-      #   #calculate rounding if modulus is zero or not zero and division are not even
-      #   if (a != 0.0 && b%2 != 0.0) || (a==0.0 && b%2 !=0)
-      #     new_total    = Sale.get_rounding_adjustment(saleObj.grand_total)
-      #     @rounding_adj = new_total-saleObj.grand_total
-      #   else
-      #     @rounding_adj = @sale_data.rounding_adjustment
-      #   end
-      # else
-      #   @rounding_adj = @sale_data.rounding_adjustment
-      # end
-      #end rounding adjustment
-
-      # rounding adjustment
       if current_shop.is_rounding_adj
         a = saleObj.grand_total % 25 # Modulus
         b = saleObj.grand_total / 25 # Division