[IMP] mrp: add print label button

task-3201527

Sub-task: 10
Part-of: odoo/odoo#127409

addons/mrp/models/mrp_production.py

@@ -2695,3 +2695,31 @@ class MrpProduction(models.Model):
             action = self.env.ref("stock.label_lot_template").report_action(lot_id.id, config=False)
             clean_action(action, self.env)
             return action
+
+    def action_open_label_layout(self):
+        view = self.env.ref('stock.product_label_layout_form_picking')
+        return {
+            'name': _('Choose Labels Layout'),
+            'type': 'ir.actions.act_window',
+            'res_model': 'product.label.layout',
+            'views': [(view.id, 'form')],
+            'target': 'new',
+            'context': {
+                'default_product_ids': self.move_finished_ids.product_id.ids,
+                'default_move_ids': self.move_finished_ids.ids,
+                'default_picking_quantity': 'picking'},
+        }
+
+    def action_open_label_type(self):
+        move_line_ids = self.move_finished_ids.mapped('move_line_ids')
+        if self.user_has_groups('stock.group_production_lot') and move_line_ids.lot_id:
+            view = self.env.ref('stock.picking_label_type_form')
+            return {
+                'name': _('Choose Type of Labels To Print'),
+                'type': 'ir.actions.act_window',
+                'res_model': 'picking.label.type',
+                'views': [(view.id, 'form')],
+                'target': 'new',
+                'context': {'default_picking_ids': self.move_finished_ids},
+            }
+        return self.action_open_label_layout()

addons/mrp/views/mrp_production_views.xml

@@ -164,6 +164,7 @@
                             invisible="not id or state in ('done', 'cancel') or not confirm_cancel"
                             confirm="Some product moves have already been confirmed, this manufacturing order can't be completely cancelled. Are you still sure you want to process?"/>
                     <button name="button_unbuild" type="object" string="Unbuild" invisible="state != 'done'" data-hotkey="shift+v"/>
+                    <button string="Print Labels" type="object" name="action_open_label_type"/>
                 </header>
                 <sheet>
                     <field name="reservation_state" invisible="1"/>