[ADD] Contract section module (#177)

contract_section/models/account_analytic_account.py

@@ -0,0 +1,17 @@
+# Copyright 2018 Road-Support - Roel Adriaans
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, models
+
+
+class AccountAnalyticAccount(models.Model):
+    _inherit = 'account.analytic.account'
+
+    @api.model
+    def _prepare_invoice_line(self, line, invoice_id):
+        invoice_line_vals = super(AccountAnalyticAccount, self). \
+            _prepare_invoice_line(line, invoice_id)
+        invoice_line_vals.update({
+            'layout_category_id': line.layout_category_id.id,
+        })
+        return invoice_line_vals