in odoo 17 pos, there is a function named set_discount in models.js file , i want to add extra validation in it like this :
set_discount(discount) { var parsed_discount = typeof discount === "number" ? discount : isNaN(parseFloat(discount)) ? 0 : oParseFloat("" + discount); var disc = Math.min(Math.max(parsed_discount || 0, 0), 100);this.product.id }); //here i want to get max discount from product.product //var maxDiscount = this.product.maxDiscount; //if(disc > maxDiscount){ //alert("discount > max discount"); //return; //} this.discount = disc; this.discountStr = "" + disc; }
how can i do this (var maxDiscount = this.product.maxDiscount;) in odoo 17 js