changes

fusion_plating/fusion_plating_logistics/models/fp_delivery.py

@@ -260,6 +260,58 @@ class FpDelivery(models.Model):
     def _fp_parent_counter_field(self):
         return 'x_fc_pn_delivery_count'
 
+    def action_view_coc(self):
+        """Open the certificate record this delivery's CoC PDF came
+        from. The attachment carries res_model + res_id, so we
+        navigate to that record (operator gets all cert info — issue
+        date, void wizard, reset, etc.) rather than just opening the
+        raw PDF. Falls back to opening the attachment directly if
+        someone manually attached a PDF that isn't a cert.
+        """
+        self.ensure_one()
+        att = self.coc_attachment_id
+        if not att:
+            raise UserError(_('No CoC linked to this delivery.'))
+        if att.res_model == 'fp.certificate' and att.res_id:
+            return {
+                'type':      'ir.actions.act_window',
+                'name':      _('Certificate of Conformance'),
+                'res_model': 'fp.certificate',
+                'res_id':    att.res_id,
+                'view_mode': 'form',
+                'target':    'current',
+            }
+        # Plain attachment — open via PDF preview helper if available.
+        if hasattr(att, 'action_fusion_preview'):
+            return att.action_fusion_preview(title=att.name or 'CoC')
+        return {
+            'type':   'ir.actions.act_url',
+            'url':    '/web/content/%d?download=false' % att.id,
+            'target': 'new',
+        }
+
+    def action_view_packing_list(self):
+        """Open the packing-list PDF via fusion_pdf_preview (or fall
+        back to a new tab when the preview helper isn't installed).
+        Packing lists don't have a backing model — they're attachments
+        only — so we don't navigate to a record.
+        """
+        self.ensure_one()
+        att = self.packing_list_attachment_id
+        if not att:
+            raise UserError(_('No packing list attached to this delivery.'))
+        if hasattr(att, 'action_fusion_preview'):
+            return att.action_fusion_preview(
+                title=att.name or 'Packing List',
+                model_name=self._name,
+                record_ids=self.id,
+            )
+        return {
+            'type':   'ir.actions.act_url',
+            'url':    '/web/content/%d?download=false' % att.id,
+            'target': 'new',
+        }
+
     def action_refresh_from_source(self):
         """Re-pull delivery address / contact / scheduled date / source
         facility / carrier / CoC from the linked job → SO → receiving →