[IMP]Activity registration : add base price, not invoice on default tree

golem_activity_registration/models/golem_activity_registration.py

@@ -79,6 +79,7 @@ class GolemActivityRegistration(models.Model):
                                 ondelete='cascade', index=True)
     activity_id = fields.Many2one('golem.activity', required=True, index=True,
                                   string='Activity', ondelete='cascade')
+    activity_price = fields.Float(related='activity_id.list_price')
     season_id = fields.Many2one(string='Season',
                                 related='activity_id.season_id', store=True)
     is_current = fields.Boolean('Current season?',

golem_activity_registration/views/golem_member_views.xml

@@ -37,6 +37,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
                     domain="[('is_current', '=', True)]" />
                   <field name="season_id" readonly="1" />
                   <field name="member_id" readonly="1" invisible="1" />
+                  <field name="activity_price" string="Base price" />
                 </tree>
               </field>
               <field name="activity_registration_all_ids" readonly="1">