sale receipt generation and bill api

app/controllers/api/bill_controller.rb

@@ -1,10 +1,21 @@
-class Api::Restaurant::BillController < Api::ApiController
-
+class Api::BillController < Api::ApiController
 
   #Create invoice based on booking
   #Output and invoice
   def create
+    @status = false
+    @error_message = "Order ID or Booking ID is require to request for a bill."
 
+    #create Bill by Booking ID
+    if (params[:booking_id])
+      @sale = Sale.new
+      @sale.generate_invoice_from_booking(params[:booking_id], current_login_employee.name)
+
+    elsif (params[:order_id])
+      @sale = Sale.new
+      @sale.generate_invoice_from_order(params[:order_id], current_login_employee.name)
+
+    end
   end