Add multi-company support hr_holidays_usability

Add modules hr_holidays_lunch_voucher and hr_holidays_lunch_voucher_natixis

hr_holidays_lunch_voucher/company.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# © 2017 Akretion (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from openerp import models, fields
+import openerp.addons.decimal_precision as dp
+
+
+class ResCompany(models.Model):
+    _inherit = 'res.company'
+
+    lunch_voucher_product_id = fields.Many2one(
+        'product.product', string='Lunch Voucher Product',
+        ondelete='restrict')
+    lunch_voucher_employer_price = fields.Float(
+        'Lunch Voucher Employer Price', digits=dp.get_precision('Account'))
+
+    # Add constrain to check that lunch_voucher_employer_price is between
+    # 50% and 60% of the price of lunch_voucher_product_id for France