Create get_mass_mailing_action method

golem_mail_member/models/golem_member.py

@@ -25,5 +25,17 @@ class GolemMember(models.Model):
     _inherit = 'golem.member'
 
     @api.multi
-    def getPartners(self):
-        return self.mapped('partner_id').ids
+    def get_mass_mailing_action(self):
+        """ Call member mass mailing presend wizard """
+        partners = self.mapped('partner_id').ids
+        presend_wizard = self.env['golem.mail.presend.wizard'].create(
+            {'partner_ids': [(6, 0, partners)]})
+        return {
+            'type': 'ir.actions.act_window',
+            'name': 'Member mass mailing',
+            'res_model': 'golem.mail.presend.wizard',
+            'res_id': presend_wizard.id,
+            'view_mode': 'form',
+            'view_type': 'form',
+            'target': 'new'
+            }