[FIX] Error Fixed: Onchange Problem

pos_restaurant_floor_facility/models/pos_restaurant_extra_facility.py

@@ -33,11 +33,12 @@ class FacilityRestaurant(models.Model):
     @api.multi
     @api.depends('rest_floor_facility')
     def onchange_rest_facility(self):
-        sum_of_percentage = 0.0
-        if self.rest_floor_facility:
-            for records in self.rest_floor_facility:
-                sum_of_percentage += records.line_percentage
-            self.facility_service_percentage = sum_of_percentage
+        for rec in self:
+            sum_of_percentage = 0.0
+            if rec.rest_floor_facility:
+                for records in rec.rest_floor_facility:
+                    sum_of_percentage += records.line_percentage
+                rec.facility_service_percentage = sum_of_percentage
 
 
 class FacilityRestaurantLines(models.Model):

pos_restaurant_floor_facility/static/src/js/facility_floor.js~

@@ -0,0 +1,20 @@
+odoo.define('pos_restaurant_floor_facility.floor_facility_rate_addition', function (require) {
+'use strict';
+alert("aaaaaaaa");
+var models = require('point_of_sale.models');
+var screens = require('point_of_sale.screens');
+var restaurant = require('pos_restaurant.floors');
+
+models.load_fields("restaurant.floor",['facility_service_percentage']);
+
+screens.ProductScreenWidget.include({
+    click_product: function(product) {
+               if(product.to_weight && this.pos.config.iface_electronic_scale){
+                   this.gui.show_screen('scale',{product: product});
+               }else{
+                   this.pos.get_order().add_product(product,{ price: product.price +
+                   (product.price * this.pos.table.floor.facility_service_percentage)/100});
+               }
+        }
+});
+});