Merge pull request #2 from pablocm-aserti/8.0-improve-pos-pricelist

[FIX] Fiscal position tax mapping

pos_pricelist/__init__.py

@@ -17,3 +17,14 @@
 #
 ##############################################################################
 from . import models
+
+
+def set_pos_line_taxes(cr, registry):
+    """Copy the product taxes to the pos.line"""
+    cr.execute("""insert into pline_tax_rel
+                    select l.id, t.id
+                    from pos_order_line l
+                    join pos_order o on l.order_id = o.id
+                    join product_taxes_rel rel on rel.prod_id = l.product_id
+                    join account_tax t on rel.tax_id = t.id
+                    where t.company_id = o.company_id""")

pos_pricelist/__openerp__.py

@@ -18,7 +18,7 @@
 ##############################################################################
 {
     'name': 'POS Pricelist',
-    'version': '1.0.0',
+    'version': '1.1.0',
     'category': 'Point Of Sale',
     'sequence': 1,
     'author': "Adil Houmadi @Taktik,Odoo Community Association (OCA)",
@@ -34,6 +34,7 @@ New feature for the Point Of Sale:
     'data': [
         "views/pos_pricelist_template.xml",
         "views/pos_pricelist_views.xml",
+        "views/point_of_sale_view.xml"
     ],
     'demo': [
         'demo/pos_pricelist_demo.yml',
@@ -41,6 +42,7 @@ New feature for the Point Of Sale:
     'qweb': [
         'static/src/xml/pos.xml'
     ],
+    'post_init_hook': "set_pos_line_taxes",
     'installable': True,
     'application': False,
     'auto_install': False,

pos_pricelist/migrations/8.0.1.1.0/post-migration.py

@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Copyright (C) 2015 Aserti Global Solutions (http://www.aserti.es/).
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as published
+#    by the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+##############################################################################
+__name__ = "Copy the product taxes to the pos.line"
+
+
+def migrate(cr, version):
+        cr.execute("""insert into pline_tax_rel
+                    select l.id, t.id
+                    from pos_order_line l
+                    join pos_order o on l.order_id = o.id
+                    join product_taxes_rel rel on rel.prod_id = l.product_id
+                    join account_tax t on rel.tax_id = t.id
+                    where t.company_id = o.company_id""")

pos_pricelist/models/__init__.py

@@ -17,3 +17,4 @@
 #
 ##############################################################################
 from . import pos_pricelist
+from . import point_of_sale

pos_pricelist/models/point_of_sale.py

@@ -0,0 +1,58 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Copyright (C) 2015 Aserti Global Solutions (http://www.aserti.es/).
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as published
+#    by the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+##############################################################################
+
+
+from openerp import models, fields, api
+
+
+class PosOrderLine(models.Model):
+    _inherit = "pos.order.line"
+
+    @api.one
+    @api.depends('tax_ids', 'qty', 'price_unit',
+                 'product_id', 'discount', 'order_id.partner_id')
+    def _amount_line_all(self):
+        price = self.price_unit * (1 - (self.discount or 0.0) / 100.0)
+        taxes = self.tax_ids.compute_all(
+            price, self.qty, product=self.product_id,
+            partner=self.order_id.partner_id)
+        self.price_subtotal = taxes['total']
+        self.price_subtotal_incl = taxes['total_included']
+
+    tax_ids = fields.Many2many(
+        'account.tax', 'pline_tax_rel', 'pos_line_id', 'tax_id',
+        "Taxes", domain=[('type_tax_use', '=', 'sale')])
+    price_subtotal = fields.Float(compute="_amount_line_all", store=True)
+    price_subtotal_incl = fields.Float(compute="_amount_line_all", store=True)
+
+
+class PosOrder(models.Model):
+    _inherit = "pos.order"
+
+    @api.model
+    def _amount_line_tax(self, line):
+        price = line.price_unit * (1 - (line.discount or 0.0) / 100.0)
+        taxes = line.tax_ids.compute_all(
+            price, line.qty, product=line.product_id,
+            partner=line.order_id.partner_id)['taxes']
+        val = 0.0
+        for c in taxes:
+            val += c.get('amount', 0.0)
+        return val

pos_pricelist/static/src/js/db.js

@@ -140,13 +140,22 @@ function pos_pricelist_db(instance, module) {
             });
             return list;
         },
-        find_taxes_by_fiscal_position_id: function (fiscal_position_id) {
+        map_tax: function (fiscal_position_id, taxes_ids) {
             var taxes = [];
+            var found_taxes = {};
             for (var id in this.fiscal_position_tax_by_id) {
-                var tax = this.fiscal_position_tax_by_id[id];
-                if (tax && tax.position_id &&
-                    tax.position_id[0] == fiscal_position_id) {
-                    taxes.push(tax);
+                var fp_line = this.fiscal_position_tax_by_id[id];
+                if (fp_line && fp_line.position_id &&
+                		fp_line.position_id[0] == fiscal_position_id &&
+                		taxes_ids.indexOf(fp_line.tax_src_id[0]) > -1) {
+                    taxes.push(fp_line.tax_dest_id[0]);
+                    found_taxes[fp_line.tax_src_id[0]] = true;
+                }
+            }
+            for (var i = 0, len = taxes_ids.length; i < len; i++) {
+            	var tax_id = taxes_ids[i];
+            	if (!(tax_id in found_taxes)) {
+            		taxes.push(tax_id);
             	}
             }
             return taxes;

pos_pricelist/static/src/js/models.js

@@ -263,39 +263,24 @@ function pos_pricelist_models(instance, module) {
          */
         get_applicable_taxes_for_orderline: function () {
             // find applicable taxes for this product and this customer
-            var fiscal_position_taxes = [];
-            var product_taxes = [];
             var product = this.get_product();
-            var partner = this.order ? this.order.get_client() : null;
+            var product_tax_ids = product.taxes_id;
+            var product_taxes = [];
             var taxes = this.pos.taxes;
+            var partner = this.order ? this.order.get_client() : null;
             if (partner && partner.property_account_position) {
-                fiscal_position_taxes =
-                    this.pos.db.find_taxes_by_fiscal_position_id(
-                        partner.property_account_position[0]
+            	product_tax_ids =
+                    this.pos.db.map_tax(
+                        partner.property_account_position[0], product_tax_ids
                     );
             }
-            for (var i = 0, ilen = fiscal_position_taxes.length;
-                 i < ilen; i++) {
-                var fp_tax = fiscal_position_taxes[i];
-                for (var j = 0, jlen = taxes.length; j < jlen; j++) {
-                    var p_tax = taxes[j];
-                    if (fp_tax && p_tax && fp_tax.tax_src_id[0] === p_tax.id) {
-                        var dest_tax = _.detect(taxes, function (t) {
-                            return t.id === fp_tax.tax_dest_id[0];
-                        });
-                        product_taxes.push(dest_tax);
-                    }
-                }
-            }
-            if (product_taxes.length === 0) {
-                for (var i = 0, ilen = product.taxes_id.length;
+            for (var i = 0, ilen = product_tax_ids.length;
                  i < ilen; i++) {
-                    var _id = product.taxes_id[i];
-                    var p_tax = _.detect(taxes, function (t) {
-                        return t.id === _id;
+                var tax_id = product_tax_ids[i];
+                var tax = _.detect(taxes, function (t) {
+                    return t.id === tax_id;
                 });
-                    product_taxes.push(p_tax);
-                }
+                product_taxes.push(tax);
             }
             return product_taxes;
         },
@@ -309,6 +294,20 @@ function pos_pricelist_models(instance, module) {
             return OrderlineParent.prototype.get_display_price.apply(
                 this, arguments
             );
+        },
+
+        export_as_JSON: function() {
+            var res = OrderlineParent.prototype.export_as_JSON.apply(this, arguments);
+            var product_tax_ids = this.get_product().taxes_id || [];
+            var partner = this.order ? this.order.get_client() : null;
+            if (partner && partner.property_account_position) {
+            	product_tax_ids =
+                    this.pos.db.map_tax(
+                        partner.property_account_position[0], product_tax_ids
+                    );
+            }
+            res["tax_ids"] = [[6, false, product_tax_ids]];
+            return res;
         }
     });
 

pos_pricelist/views/point_of_sale_view.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0"?>
+<openerp>
+    <data>
+
+        <record id="view_pos_pos_form" model="ir.ui.view">
+            <field name="name">pos.order</field>
+            <field name="model">pos.order</field>
+            <field name="inherit_id" ref="point_of_sale.view_pos_pos_form"/>
+            <field name="arch" type="xml">
+            	<xpath expr="//field[@name='lines']/tree/field[@name='discount']" position="after">
+            		<field name="tax_ids" widget="many2many_tags"/>
+            	</xpath>
+			</field>
+		</record>
+
+    </data>
+</openerp>