[IMP] account_payment_order: add button to view business document

Quick access to business document on payment lines.

account_payment_order/models/account_payment_line.py

@@ -244,3 +244,8 @@ class AccountPaymentLine(models.Model):
         if transfer_journal:
             vals["journal_id"] = transfer_journal.id
         return vals
+
+    def action_open_business_doc(self):
+        if not self.move_line_id:
+            return False
+        return self.move_line_id.action_open_business_doc()

account_payment_order/tests/test_payment_order_outbound.py

@@ -516,3 +516,25 @@ class TestPaymentOrderOutbound(TestPaymentOrderOutboundBase):
         self.assertEqual(len(payment_order.payment_line_ids), 1)
 
         self.assertEqual("F1242 R1234", payment_order.payment_line_ids.communication)
+
+    def test_action_open_business_document(self):
+        # Open invoice
+        self.invoice.action_post()
+        # Add to payment order using the wizard
+        self.env["account.invoice.payment.line.multi"].with_context(
+            active_model="account.move", active_ids=self.invoice.ids
+        ).create({}).run()
+        order = self.env["account.payment.order"].search(self.domain)
+        # Create payment line without move line
+        vals = {
+            "order_id": order.id,
+            "partner_id": self.partner.id,
+            "currency_id": order.payment_mode_id.company_id.currency_id.id,
+            "amount_currency": 200.38,
+        }
+        self.env["account.payment.line"].create(vals)
+        invoice_action = order.payment_line_ids[0].action_open_business_doc()
+        self.assertEqual(invoice_action["res_model"], "account.move")
+        self.assertEqual(invoice_action["res_id"], self.invoice.id)
+        manual_line_action = order.payment_line_ids[1].action_open_business_doc()
+        self.assertFalse(manual_line_action)

account_payment_order/views/account_payment_line.xml

@@ -18,7 +18,8 @@
                             name="move_line_id"
                             domain="[('reconciled','=', False), ('account_id.reconcile', '=', True)] "
                         />
-                        <!-- we removed the filter on amount_to_pay, because we want to be able to select refunds -->
+                        <!-- we removed the filter on amount_to_pay, because we want to be able to
+                        select refunds -->
                         <field name="date" readonly="1" force_save="1" />
                         <field name="ml_maturity_date" readonly="1" />
                         <field name="amount_currency" />
@@ -93,6 +94,13 @@
                     invisible="1"
                 />
                 <field name="payment_type" invisible="1" />
+                <button
+                    name="action_open_business_doc"
+                    type="object"
+                    string="View"
+                    class="btn btn-secondary"
+                    attrs="{'invisible': [('move_line_id', '=', False)]}"
+                />
             </tree>
         </field>
     </record>