Add button to family form

golem_mail_family/models/golem_family.py

@@ -24,6 +24,10 @@ class GolemFamily(models.Model):
     """ GOLEM Family adaptations """
     _inherit = 'golem.family'
 
+    @api.multi
+    def family_members_mass_mailing(self):
+        return self.get_mass_mailing_action('members')
+
     @api.multi
     def get_mass_mailing_action(self, action_type):
         """ Call family mass mailing presend wizard """

golem_mail_family/views/golem_mail_family_views.xml

@@ -18,6 +18,22 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 -->
 <odoo>
   <data>
+    <!-- golem family form adaptations -->
+    <record id="golem_family_form_inherit_golem_mail_family"
+      model="ir.ui.view">
+      <field name="name">Golem Family form adaptations golem mail family</field>
+      <field name="model">golem.family</field>
+      <field name="inherit_id" ref="golem_family.golem_family_form"/>
+      <field name="arch" type="xml">
+        <sheet position="before">
+          <header>
+            <button name="family_members_mass_mailing" string="Family members mass mailing"
+              type="object" class="oe_highlight"
+              attrs="{'invisible': [('member_ids', '=', False)]}"/>
+          </header>
+        </sheet>
+      </field>
+    </record>
     <!-- Family member mass mailing action-->
     <record id="action_family_members_mass_mailing" model="ir.actions.server">
       <field name="name">Family members mass mailing</field>