Merge pull request #155 from credativUK/8.0-sale_pricelist_discount

8.0 sale pricelist discount

sale_pricelist_discount/README.rst

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+.. image:: https://img.shields.io/badge/licence-AGPL--3-blue.svg
+    :alt: License: AGPL-3
+
+Sale Pricelist Discount
+=======================
+
+This module allows specifying a default percentage discount to apply
+to sale order lines.  This ensures the pricelist discount is visible
+on quotations and sale orders.
+
+Installation
+============
+
+Nothing special is needed to install this module.
+
+Configuration
+=============
+
+Pricelist configuration:
+
+* Add discount percentage value to pricelist items for which the
+discount should be visible on sale order lines
+
+Usage
+=====
+
+* Select pricelist on sale order line
+
+* The discount defined on pricelist item will be populated as
+the sale order line discount percentage
+
+Known issues / Roadmap
+======================
+
+* Incompatible with product_visible_discount
+
+Credits
+=======
+
+Contributors
+------------
+
+* Jacob Hicks <jacob.hicks@credativ.co.uk>
+
+Maintainer
+----------
+
+.. image:: http://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: http://odoo-community.org
+
+This module is maintained by the OCA.
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+To contribute to this module, please visit http://odoo-community.org.

sale_pricelist_discount/__init__.py

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+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2015 credativ ltd (<http://www.credativ.co.uk>).
+#
+#    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 . import model

sale_pricelist_discount/__openerp__.py

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+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2015 credativ ltd (<http://www.credativ.co.uk>).
+#
+#    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': 'Sale Pricelist Discount',
+    'version': '1.0',
+    'category': 'Sale',
+    'author': 'credativ, Odoo Community Association (OCA)',
+    'website': 'http://www.credativ.co.uk',
+    'depends': [
+                'base',
+                'sale',
+                'product',
+    ],
+    'data': [
+        'view/pricelist_view.xml'
+    ],
+    'auto_install': False,
+    'installable': True,
+}

sale_pricelist_discount/model/__init__.py

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+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2015 credativ ltd (<http://www.credativ.co.uk>).
+#
+#    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 . import pricelist
+from . import sale

sale_pricelist_discount/model/pricelist.py

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+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2015 credativ ltd (<http://www.credativ.co.uk>).
+#
+#    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 fields, models
+import openerp.addons.decimal_precision as dp
+
+
+class ProductPricelistItem(models.Model):
+    _inherit = 'product.pricelist.item'
+
+    discount = fields.Float(
+        'Discount (%)',
+        digits_compute=dp.get_precision('Discount'),
+        help="Default discount applied on a sale order line.",
+        default=0.0,
+    )

sale_pricelist_discount/model/sale.py

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+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2015 credativ ltd (<http://www.credativ.co.uk>).
+#
+#    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.osv import osv
+
+
+class sale_order_line(osv.osv):
+    _inherit = "sale.order.line"
+
+    def product_id_change(
+        self, cr, uid, ids, pricelist, product, qty=0, uom=False, qty_uos=0,
+        uos=False, name='', partner_id=False, lang=False, update_tax=True,
+        date_order=False, packaging=False, fiscal_position=False, flag=False,
+        context=None
+    ):
+
+        res = super(sale_order_line, self).product_id_change(
+            cr, uid, ids, pricelist, product, qty, uom, qty_uos, uos, name,
+            partner_id, lang, update_tax, date_order, packaging=packaging,
+            fiscal_position=fiscal_position, flag=flag, context=context
+        )
+
+        if product and pricelist:
+            value = res['value']
+            pricelist_obj = self.pool.get('product.pricelist')
+            pricelist_item_obj = self.pool.get('product.pricelist.item')
+            list_price = pricelist_obj.price_rule_get(
+                cr, uid, [pricelist], product, qty or 1.0,
+                partner_id, context=context
+            )
+            rule_id = (list_price.get(pricelist) and
+                       list_price[pricelist][1] or False)
+            value['discount'] = rule_id and pricelist_item_obj.read(
+                cr, uid, [rule_id], ['discount'])[0]['discount'] or 0.00
+
+        return res

sale_pricelist_discount/view/pricelist_view.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data>
+        <record model="ir.ui.view" id="product_pricelist_view_form_discount">
+            <field name="name">product.pricelist.item.form.discount</field>
+            <field name="model">product.pricelist.item</field>
+            <field name="inherit_id" ref="product.product_pricelist_item_form_view"/>
+            <field name="arch" type="xml">
+                <field name="price_max_margin" position="after">
+                    <field name="discount"/>
+                </field>
+            </field>
+        </record>
+    </data>
+</openerp>