[Bug] Add fonction to Get default season

golem_payment/models/golem_payment.py

@@ -41,10 +41,19 @@ class GolemPaymentSchedule(models.Model):
     _order = 'season_id desc'
 
     name = fields.Char(required=True)
-    season_id = fields.Many2one('golem.season', 'Season', required=True)
     day_ids = fields.Many2many('golem.payment.schedule.day', string='Days')
     occurences = fields.Integer(compute='_compute_occurences')
 
+    @api.model
+    def _default_season(self):
+        """ Get default season """
+        domain = [('is_default', '=', True)]
+        return self.env['golem.season'].search(domain, limit=1)
+
+    season_id = fields.Many2one('golem.season', string='Seasons',
+                                readonly=True, default=_default_season)
+
+
     @api.depends('day_ids')
     def _compute_occurences(self):
         """ Computes number of occurences """

golem_payment/views/golem_payment_views.xml

@@ -29,7 +29,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
           <sheet>
             <group>
             <field name="name" />
-            <field name="season_id" readonly='1'/>
+            <field name="season_id" />
             <field name="day_ids" widget="many2many_tags" />
             <field name="occurences" />
             </group>