wizard 'confirm null invoice'

ext/custom-addons/dp_custom/wizards/wizard_confirm_null_invoice.py

@@ -0,0 +1,19 @@
+# Copyright 2018-Today datenpol gmbh (<http://www.datenpol.at>)
+# License OPL-1 or later (https://www.odoo.com/documentation/user/11.0/legal/licenses/licenses.html#licenses).
+
+from odoo import api, fields, models
+from odoo.exceptions import ValidationError
+
+class AccountInvoice(models.TransientModel):
+    _name = 'wizard.confirm.null_invoice'
+    _description = 'Bestätige Nullrechnung'
+
+    @api.one
+    def button_confirm_null_invoice(self):
+        invoice_ids = self._context.get('active_ids')
+        if invoice_ids is None:
+            return {'type': 'ir.actions.act_window_close'}
+        invoice = self.env['account.invoice'].browse(invoice_ids)
+        res = invoice.with_context(confirmed=True).action_invoice_open()
+
+        return res

ext/custom-addons/dp_custom/wizards/wizard_confirm_null_invoice.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2018-Today Tischlerzentrum gmbh(<http://www.tzaustria.at>)
+     License OPL-1 or later (https://www.odoo.com/documentation/user/11.0/legal/licenses/licenses.html#licenses). -->
+
+<odoo>
+
+    <record id="view_wizard_confirm_null_invoice_form" model="ir.ui.view">
+        <field name="name">view_wizard_confirm_null_invoice_form</field>
+        <field name="model">wizard.confirm.null_invoice</field>
+        <field name="arch" type="xml">
+            <form string="Wizard Confirm Null Invoice">
+                <group>
+                    <p>Wollen Sie wirklich eine Null-Rechnung erzeugen?</p>
+                </group>
+                <footer>
+                    <button name="button_confirm_null_invoice"
+                            string="Null-Rechnung bestätigen"
+                            class="btn-primary"
+                            type="object"/>
+                    <button string="Abbrechen"
+                            class="btn-default"
+                            special="cancel"/>
+                </footer>
+            </form>
+        </field>
+    </record>
+
+    <act_window id="action_wizard_confirm_null_invoice"
+        name="Nullrechnung"
+        src_model="sale.order"
+        res_model="wizard.confirm.null_invoice"
+        view_type="form"
+        view_mode="form"
+        key2="client_action_multi"
+        target="new"/>
+
+</odoo>