ADD pos_product_multi_price: Make pricelists based on product_multi_price work in point of sale

oca_dependencies.txt

@@ -2,3 +2,4 @@ account-payment
 queue
 partner-contact
 stock-logistics-barcode
+product-attribute

pos_product_multi_price/__init__.py

@@ -0,0 +1 @@
+from . import models

pos_product_multi_price/__manifest__.py

@@ -0,0 +1,23 @@
+# Copyright 2020 Lorenzo Battistini @ TAKOBI
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+{
+    "name": "Point of sale - Product Multi Price",
+    "summary": "Use pricelists based on multiple prices in point of sale",
+    "version": "12.0.1.0.0",
+    "development_status": "Beta",
+    "category": "Point Of Sale",
+    "website": "https://github.com/OCA/pos",
+    "author": "TAKOBI, Odoo Community Association (OCA)",
+    "maintainers": ["eLBati"],
+    "license": "AGPL-3",
+    "application": False,
+    "installable": True,
+    "auto_install": True,
+    "depends": [
+        "point_of_sale",
+        "product_multi_price"
+    ],
+    "data": [
+        "views/assets.xml",
+    ],
+}

pos_product_multi_price/models/__init__.py

@@ -0,0 +1 @@
+from . import product

pos_product_multi_price/models/product.py

@@ -0,0 +1,24 @@
+import json
+from odoo import models, fields, api
+
+
+class Product(models.Model):
+    _inherit = 'product.product'
+
+    # technical field used in POS frontend
+    price_ids_json = fields.Char(
+        "Multi price data dict", readonly=True,
+        compute="_compute_price_ids_json")
+
+    @api.multi
+    def _compute_price_ids_json(self):
+        for p in self:
+            res = []
+            for price in p.price_ids:
+                res.append({
+                    'id': price.id,
+                    'price_name': price.name.name or '',
+                    'price_id': price.name.id or '',
+                    'price': price.price,
+                })
+            p.price_ids_json = json.dumps(res)

pos_product_multi_price/readme/CONTRIBUTORS.rst

@@ -0,0 +1,3 @@
+* `TAKOBI <https://takobi.online>`_:
+
+  * Lorenzo Battistini

pos_product_multi_price/readme/DESCRIPTION.rst

@@ -0,0 +1,3 @@
+Make pricelists based on ``product_multi_price`` work in point of sale.
+
+See ``product_multi_price``'s documentation about how to configure and use it.

pos_product_multi_price/static/src/js/models.js

@@ -0,0 +1,64 @@
+odoo.define('pos_product_multi_price.models', function (require) {
+"use strict";
+
+var models = require('point_of_sale.models');
+
+models.load_fields("product.product", ["price_ids_json"]);
+
+var _product_super = models.Product.prototype;
+models.Product = models.Product.extend({
+    get_price: function(pricelist, quantity) {
+        // partially copied from "point_of_sale.models"
+
+        var self = this;
+        var price_ids_json = JSON.parse(this.price_ids_json);
+        var price = _product_super.get_price.apply(this, arguments);
+
+        var date = moment().startOf('day');
+
+        var category_ids = [];
+        var category = this.categ;
+        while (category) {
+            category_ids.push(category.id);
+            category = category.parent;
+        }
+        var pricelist_items = _.filter(pricelist.items, function (item) {
+            return (! item.product_tmpl_id || item.product_tmpl_id[0] === self.product_tmpl_id) &&
+                   (! item.product_id || item.product_id[0] === self.id) &&
+                   (! item.categ_id || _.contains(category_ids, item.categ_id[0])) &&
+                   (! item.date_start || moment(item.date_start).isSameOrBefore(date)) &&
+                   (! item.date_end || moment(item.date_end).isSameOrAfter(date));
+        });
+        _.find(pricelist_items, function (rule) {
+            if (rule.min_quantity && quantity < rule.min_quantity) {
+                return false;
+            }
+            if (rule.base === 'multi_price' && rule.compute_price == 'formula') {
+                _.forEach(price_ids_json, function (multi_price) {
+                    if (multi_price.price_id == rule.multi_price_name[0]) {
+                        price = multi_price.price;
+                        var price_limit = price;
+                        price = price - (price * (rule.price_discount / 100));
+                        if (rule.price_round) {
+                            price = round_pr(price, rule.price_round);
+                        }
+                        if (rule.price_surcharge) {
+                            price += rule.price_surcharge;
+                        }
+                        if (rule.price_min_margin) {
+                            price = Math.max(price, price_limit + rule.price_min_margin);
+                        }
+                        if (rule.price_max_margin) {
+                            price = Math.min(price, price_limit + rule.price_max_margin);
+                        }
+                        return true;
+                    }
+                });
+            }
+            return false
+        });
+        return price;
+    },
+});
+
+});

pos_product_multi_price/views/assets.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <template id="assets" inherit_id="point_of_sale.assets">
+        <xpath expr="." position="inside">
+            <script type="text/javascript" src="/pos_product_multi_price/static/src/js/models.js"/>
+        </xpath>
+    </template>
+
+</odoo>

setup/pos_product_multi_price/odoo/addons/pos_product_multi_price

@@ -0,0 +1 @@
+../../../../pos_product_multi_price

setup/pos_product_multi_price/setup.py

@@ -0,0 +1,6 @@
+import setuptools
+
+setuptools.setup(
+    setup_requires=['setuptools-odoo'],
+    odoo_addon=True,
+)