initial commit 2

3 files changed, 115 insertions, 0 deletions

diff --git a/addons/pos_discount/static/src/js/DiscountButton.js b/addons/pos_discount/static/src/js/DiscountButton.js
new file mode 100644
index 00000000..e906d354
--- /dev/null
+++ b/addons/pos_discount/static/src/js/DiscountButton.js
@@ -0,0 +1,82 @@
+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;
+});
diff --git a/addons/pos_discount/static/src/js/models.js b/addons/pos_discount/static/src/js/models.js
new file mode 100644
index 00000000..c54c7c93
--- /dev/null
+++ b/addons/pos_discount/static/src/js/models.js
@@ -0,0 +1,21 @@
+odoo.define('pos_discount.models', function (require) {
+  "use strict";
+
+  var models = require('point_of_sale.models');
+
+  var existing_models = models.PosModel.prototype.models;
+  var product_index = _.findIndex(existing_models, function (model) {
+      return model.model === "product.product";
+  });
+  var product_model = existing_models[product_index];
+
+  models.load_models([{
+    model:  product_model.model,
+    fields: product_model.fields,
+    order:  product_model.order,
+    domain: function(self) {return [['id', '=', self.config.discount_product_id[0]]];},
+    context: product_model.context,
+    loaded: product_model.loaded,
+  }]);
+
+});
diff --git a/addons/pos_discount/static/src/xml/DiscountButton.xml b/addons/pos_discount/static/src/xml/DiscountButton.xml
new file mode 100644
index 00000000..c8cd5bc5
--- /dev/null
+++ b/addons/pos_discount/static/src/xml/DiscountButton.xml
@@ -0,0 +1,12 @@
+<?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>