[IMP] Better modularity and naming convention

account_constraints/model/account_move.py

@@ -0,0 +1,42 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Author Joel Grand-Guillaume. Copyright 2012 Camptocamp SA
+#
+#    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, api
+
+
+class AccountMove(models.Model):
+    _inherit = "account.move"
+
+    @api.multi
+    def _check_fiscal_year(self):
+        for move in self:
+            if move.journal_id.allow_date_fy:
+                date_start = move.period_id.fiscalyear_id.date_start
+                date_stop = move.period_id.fiscalyear_id.date_stop
+                if not date_start <= move.date <= date_stop:
+                    return False
+        return True
+
+    _constraints = [
+        (_check_fiscal_year,
+            'You cannot create entries with date not in the '
+            'fiscal year of the chosen period',
+            ['line_id']),
+    ]