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odoo.define('pos_discount.DiscountButton', function(require) {
'use strict';
const PosComponent = require('point_of_sale.PosComponent');
const ProductScreen = require('point_of_sale.ProductScreen');
const { useListener } = require('web.custom_hooks');
const Registries = require('point_of_sale.Registries');
class DiscountButton extends PosComponent {
constructor() {
super(...arguments);
useListener('click', this.onClick);
}
async onClick() {
var self = this;
const { confirmed, payload } = await this.showPopup('NumberPopup',{
title: this.env._t('Discount Percentage'),
startingValue: this.env.pos.config.discount_pc,
});
if (confirmed) {
const val = Math.round(Math.max(0,Math.min(100,parseFloat(payload))));
await self.apply_discount(val);
}
}
async apply_discount(pc) {
var order = this.env.pos.get_order();
var lines = order.get_orderlines();
var product = this.env.pos.db.get_product_by_id(this.env.pos.config.discount_product_id[0]);
if (product === undefined) {
await this.showPopup('ErrorPopup', {
title : this.env._t("No discount product found"),
body : this.env._t("The discount product seems misconfigured. Make sure it is flagged as 'Can be Sold' and 'Available in Point of Sale'."),
});
return;
}
// Remove existing discounts
var i = 0;
while ( i < lines.length ) {
if (lines[i].get_product() === product) {
order.remove_orderline(lines[i]);
} else {
i++;
}
}
// Add discount
// We add the price as manually set to avoid recomputation when changing customer.
var base_to_discount = order.get_total_without_tax();
if (product.taxes_id.length){
var first_tax = this.env.pos.taxes_by_id[product.taxes_id[0]];
if (first_tax.price_include) {
base_to_discount = order.get_total_with_tax();
}
}
var discount = - pc / 100.0 * base_to_discount;
if( discount < 0 ){
order.add_product(product, {
price: discount,
lst_price: discount,
extras: {
price_manually_set: true,
},
});
}
}
}
DiscountButton.template = 'DiscountButton';
ProductScreen.addControlButton({
component: DiscountButton,
condition: function() {
return this.env.pos.config.module_pos_discount && this.env.pos.config.discount_product_id;
},
});
Registries.Component.add(DiscountButton);
return DiscountButton;
});
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