Initial commit: Sale packages

odoo-bringout-oca-ocb-sale_margin/sale_margin/models/sale_order.py

@@ -0,0 +1,31 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, fields, models
+
+
+class SaleOrder(models.Model):
+    _inherit = "sale.order"
+
+    margin = fields.Monetary("Margin", compute='_compute_margin', store=True)
+    margin_percent = fields.Float("Margin (%)", compute='_compute_margin', store=True, group_operator="avg")
+
+    @api.depends('order_line.margin', 'amount_untaxed')
+    def _compute_margin(self):
+        if not all(self._ids):
+            for order in self:
+                order.margin = sum(order.order_line.mapped('margin'))
+                order.margin_percent = order.amount_untaxed and order.margin/order.amount_untaxed
+        else:
+            # On batch records recomputation (e.g. at install), compute the margins
+            # with a single read_group query for better performance.
+            # This isn't done in an onchange environment because (part of) the data
+            # may not be stored in database (new records or unsaved modifications).
+            grouped_order_lines_data = self.env['sale.order.line'].read_group(
+                [
+                    ('order_id', 'in', self.ids),
+                ], ['margin', 'order_id'], ['order_id'])
+            mapped_data = {m['order_id'][0]: m['margin'] for m in grouped_order_lines_data}
+            for order in self:
+                order.margin = mapped_data.get(order.id, 0.0)
+                order.margin_percent = order.amount_untaxed and order.margin/order.amount_untaxed