Add module sale_margin_no_onchange

sale_margin_no_onchange/__init__.py

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+# -*- encoding: utf-8 -*-
+
+from . import sale

sale_margin_no_onchange/__openerp__.py

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+# -*- encoding: utf-8 -*-
+##############################################################################
+#
+#    Sale Margin No Onchange module for Odoo
+#    Copyright (C) 2015 Akretion (http://www.akretion.com)
+#    @author Alexis de Lattre <alexis.delattre@akretion.com>
+#
+#    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 Margin No Onchange',
+    'version': '0.1',
+    'category': 'Accounting & Finance',
+    'license': 'AGPL-3',
+    'summary': 'Copy standard price on sale order line and compute margins',
+    'description': """
+This module copies the field *standard_price* of the product on the sale order line when the sale order line is created. The allows the computation of the margin of the sale order.
+
+This module has been written by Alexis de Lattre from Akretion
+<alexis.delattre@akretion.com>.
+    """,
+    'author': 'Akretion',
+    'website': 'http://www.akretion.com',
+    'depends': ['sale'],
+    'data': [
+        'sale_view.xml',
+    ],
+    'installable': True,
+}

sale_margin_no_onchange/sale.py

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+# -*- encoding: utf-8 -*-
+##############################################################################
+#
+#    Sale Margin No Onchange module for Odoo
+#    Copyright (C) 2015 Akretion (http://www.akretion.com)
+#    @author Alexis de Lattre <alexis.delattre@akretion.com>
+#
+#    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
+import openerp.addons.decimal_precision as dp
+
+
+class SaleOrderLine(models.Model):
+    _inherit = 'sale.order.line'
+
+    standard_price_company_currency = fields.Float(
+        string='Cost Price in Company Currency', readonly=True,
+        digits=dp.get_precision('Product Price'))
+    standard_price_sale_currency = fields.Float(
+        string='Cost Price in Sale Currency', readonly=True,
+        compute='_compute_margin', store=True,
+        digits=dp.get_precision('Account'))
+    margin_sale_currency = fields.Float(
+        string='Margin in Sale Currency', readonly=True, store=True,
+        compute='_compute_margin',
+        digits=dp.get_precision('Account'))
+    margin_company_currency = fields.Float(
+        string='Margin in Company Currency', readonly=True, store=True,
+        compute='_compute_margin',
+        digits=dp.get_precision('Account'))
+
+    @api.one
+    @api.depends(
+        'standard_price_company_currency', 'order_id.pricelist_id',
+        'order_id.date_order', 'product_uom_qty', 'price_subtotal')
+    def _compute_margin(self):
+        standard_price_sale_cur = 0.0
+        margin_sale_cur = 0.0
+        margin_comp_cur = 0.0
+        if self.order_id and self.order_id.currency_id:
+            # it works in _get_current_rate
+            # even if we set date = False in context
+            standard_price_sale_cur =\
+                self.order_id.company_id.currency_id.with_context(
+                    date=self.order_id.date_order).compute(
+                        self.standard_price_company_currency,
+                        self.order_id.currency_id)
+            margin_sale_cur =\
+                self.price_subtotal\
+                - self.product_uom_qty * standard_price_sale_cur
+            margin_comp_cur = self.order_id.currency_id.with_context(
+                date=self.order_id.date_order).compute(
+                    margin_sale_cur, self.order_id.company_id.currency_id)
+        self.standard_price_sale_currency = standard_price_sale_cur
+        self.margin_sale_currency = margin_sale_cur
+        self.margin_company_currency = margin_comp_cur
+
+    # We want to copy standard_price on sale order line
+    @api.model
+    def create(self, vals):
+        if vals.get('product_id'):
+            pp = self.env['product.product'].browse(vals['product_id'])
+            std_price = pp.standard_price
+            sale_uom_id = vals.get('product_uom')
+            if sale_uom_id and sale_uom_id != pp.uom_id.id:
+                std_price = self.env['product.uom']._compute_price(
+                    pp.uom_id.id, std_price, sale_uom_id)
+            vals['standard_price_company_currency'] = std_price
+        return super(SaleOrderLine, self).create(vals)
+
+    @api.multi
+    def write(self, vals):
+        if not vals:
+            vals = {}
+        if 'product_id' in vals or 'product_uom' in vals:
+            for sol in self:
+                if 'product_id' in vals:
+                    if vals.get('product_id'):
+                        pp = self.env['product.product'].browse(
+                            vals['product_id'])
+                    else:
+                        pp = False
+                else:
+                    pp = sol.product_id or False
+                # product_uom is a required field,
+                # so it's different from product_id
+                if 'product_uom' in vals:
+                    sale_uom = self.env['product.uom'].browse(
+                        vals['product_uom'])
+                else:
+                    sale_uom = sol.product_uom
+                std_price = 0.0
+                if pp:
+                    std_price = pp.standard_price
+                    if sale_uom != pp.uom_id:
+                        std_price = self.env['product.uom']._compute_price(
+                            pp.uom_id.id, std_price, sale_uom.id)
+                sol.write({'standard_price_company_currency': std_price})
+        return super(SaleOrderLine, self).write(vals)
+
+
+class SaleOrder(models.Model):
+    _inherit = 'sale.order'
+
+    margin_sale_currency = fields.Float(
+        string='Margin in Sale Currency',
+        readonly=True, compute='_compute_margin', store=True,
+        digits=dp.get_precision('Account'))
+    margin_company_currency = fields.Float(
+        string='Margin in Company Currency',
+        readonly=True, compute='_compute_margin', store=True,
+        digits=dp.get_precision('Account'))
+
+    @api.one
+    @api.depends(
+        'order_line.margin_sale_currency',
+        'order_line.margin_company_currency')
+    def _compute_margin(self):
+        margin_sale_cur = 0.0
+        margin_comp_cur = 0.0
+        for sol in self.order_line:
+            margin_sale_cur += sol.margin_sale_currency
+            margin_comp_cur += sol.margin_company_currency
+        self.margin_sale_currency = margin_sale_cur
+        self.margin_company_currency = margin_comp_cur

sale_margin_no_onchange/sale_view.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!--
+   Copyright (C) 2015 Akretion (http://www.akretion.com/)
+   @author: Alexis de Lattre <alexis.delattre@akretion.com>
+   The licence is in the file __openerp__.py
+-->
+
+<openerp>
+<data>
+
+
+<record id="view_order_form" model="ir.ui.view">
+    <field name="name">margin.sale.order.form</field>
+    <field name="model">sale.order</field>
+    <field name="inherit_id" ref="sale.view_order_form"/>
+    <field name="arch" type="xml">
+        <field name="company_id" position="after">
+            <field name="margin_sale_currency"
+                string="Margin"
+                widget="monetary"
+                options="{'currency_field': 'currency_id'}"
+                groups="account.group_account_user"/>
+            <field name="margin_company_currency"
+                groups="account.group_account_user"/>
+        </field>
+        <xpath expr="//field[@name='order_line']/tree/field[@name='price_subtotal']" position="after">
+            <field name="standard_price_sale_currency" groups="base.group_no_one"/>
+            <field name="standard_price_company_currency" groups="base.group_no_one"/>
+            <field name="margin_sale_currency" groups="base.group_no_one"/>
+            <field name="margin_company_currency" groups="base.group_no_one"/>
+        </xpath>
+    </field>
+</record>
+
+
+</data>
+</openerp>