Initial commit: Pos packages

odoo-bringout-oca-ocb-pos_discount/pos_discount/static/src/js/DiscountButton.js

@@ -0,0 +1,91 @@
+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/core/utils/hooks");
+    const Registries = require('point_of_sale.Registries');
+
+    class DiscountButton extends PosComponent {
+        setup() {
+            super.setup();
+            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,
+                isInputSelected: true
+            });
+            if (confirmed) {
+                const val = 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
+            lines.filter(line => line.get_product() === product)
+                .forEach(line => order.remove_orderline(line));
+
+            // Add one discount line per tax group
+            let linesByTax = order.get_orderlines_grouped_by_tax_ids();
+            for (let [tax_ids, lines] of Object.entries(linesByTax)) {
+
+                // Note that tax_ids_array is an Array of tax_ids that apply to these lines
+                // That is, the use case of products with more than one tax is supported.
+                let tax_ids_array = tax_ids.split(',').filter(id => id !== '').map(id => Number(id));
+
+                let baseToDiscount = order.calculate_base_amount(
+                    tax_ids_array, lines.filter(ll => ll.isGlobalDiscountApplicable())
+                );
+
+                // We add the price as manually set to avoid recomputation when changing customer.
+                let discount = - pc / 100.0 * baseToDiscount;
+                if (discount < 0) {
+                    order.add_product(product, {
+                        price: discount,
+                        lst_price: discount,
+                        tax_ids: tax_ids_array,
+                        merge: false,
+                        description:
+                            `${pc}%, ` +
+                            (tax_ids_array.length ?
+                                _.str.sprintf(
+                                    this.env._t('Tax: %s'),
+                                    tax_ids_array.map(taxId => this.env.pos.taxes_by_id[taxId].amount + '%').join(', ')
+                                ) :
+                            this.env._t('No tax')),
+                        extras: {
+                            price_automatically_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;
+});

odoo-bringout-oca-ocb-pos_discount/pos_discount/static/src/js/models.js

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+odoo.define('pos_discount.models', function (require) {
+  "use strict";
+
+  const { Orderline } = require('point_of_sale.models');
+  const Registries = require('point_of_sale.Registries');
+
+  const PosDiscountOrderline = (Orderline) => class PosDiscountOrderline extends Orderline {
+    /**
+     * Checks if the current line applies for a global discount from `pos_discount.DiscountButton`.
+     * @returns Boolean
+     */
+    isGlobalDiscountApplicable() {
+      return !(this.pos.config.tip_product_id && this.product.id === this.pos.config.tip_product_id[0]);
+    }
+  }
+  Registries.Model.extend(Orderline, PosDiscountOrderline);
+
+});

odoo-bringout-oca-ocb-pos_discount/pos_discount/static/src/xml/DiscountButton.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<templates id="template" xml:space="preserve">
+
+    <t t-name="DiscountButton" owl="1">
+        <span class="control-button js_discount">
+            <i class="fa fa-tag"></i>
+            <span> </span>
+            <span>Discount</span>
+        </span>
+    </t>
+
+</templates>