Agregar filtros en account invoices

view/account_invoice_view.xml

@@ -8,7 +8,7 @@
             <field name="inherit_id" ref="account.view_account_invoice_filter" />
             <field name="arch" type="xml">
               <search>
-
+                  <filter string="Cancelado" name="state" domain="[('state','=','cancel')]"/>
                   <separator/>
                   <filter string="Creado Hoy" domain="[('create_date', '&gt;=', datetime.datetime.now().strftime('%Y-%m-%d 00:00:00')),('create_date', '&lt;=',datetime.datetime.now().strftime('%Y-%m-%d 23:23:59'))]"/>
                   <filter string="Creado mes actual" domain="[('create_date','&lt;',(context_today()+relativedelta(months=1)).strftime('%%Y-%%m-01')), ('create_date','&gt;=',time.strftime('%%Y-%%m-01'))]"/>
@@ -22,7 +22,7 @@
                   <filter string="Facturado esta semana" domain="[('date_invoice', '&gt;=', ((context_today()+relativedelta(weeks=-1, days=1, weekday=0)).strftime('%%Y-%%m-%%d'))),('date_invoice', '&lt;=', ((context_today()+relativedelta(weeks=0, weekday=6)).strftime('%%Y-%%m-%%d')))]"/>
                   <filter string="Facturado hoy" domain="[('date_invoice', '&gt;=', datetime.datetime.now().strftime('%Y-%m-%d 00:00:00')),('date_invoice', '&lt;=',datetime.datetime.now().strftime('%Y-%m-%d 23:23:59'))]"/>
                   <filter string="Facturado ayer" domain="[('date_invoice','&lt;=', (datetime.date.today()-relativedelta(days=1)).strftime('%%Y-%%m-%%d')),('date_invoice','&gt;=',(datetime.date.today()-relativedelta(days=1)).strftime('%%Y-%%m-%%d'))]"/>
-               
+
 
                   <separator/>
                   <group string="Agrupar por">