[IMP] account: add delivery date on invoices for France

The new legislation in France imposes to add te deliver date on the invoice.

task-5231287

Author: jedel-odoo

addons/l10n_fr_account/models/account_move.py

@@ -20,3 +20,11 @@ def _get_view(self, view_id=None, view_type='form', **options):
     def _compute_l10n_fr_is_company_french(self):
         for record in self:
             record.l10n_fr_is_company_french = record.country_code in record.company_id._get_france_country_codes()
+
+    @api.depends('country_code', 'move_type')
+    def _compute_show_delivery_date(self):
+        # EXTEND 'account'
+        super()._compute_show_delivery_date()
+        for move in self:
+            if move.l10n_fr_is_company_french:
+                move.show_delivery_date = move.is_sale_document()