[FIX] support for attachment to record

report_async/models/report_async.py

@@ -144,7 +144,8 @@ class ReportAsync(models.Model):
 
     @api.model
     def print_document_async(
-        self, record_ids, report_name, html=None, data=None, to_email=""
+        self, record_ids, report_name, html=None, data=None, to_email="",
+        save_attachment_to_records=False
     ):
         """Generate a document async, do not return the document file"""
         user_email = to_email or self.env.user.email
@@ -157,6 +158,7 @@ class ReportAsync(models.Model):
             email_notify=True,
             to_email=user_email,
             session_id=request.session.sid,
+            save_attachment_to_records=save_attachment_to_records
         )
 
     @api.model
@@ -169,6 +171,7 @@ class ReportAsync(models.Model):
         email_notify=False,
         to_email=None,
         session_id=None,
+        save_attachment_to_records=False
     ):
         report = self.env["ir.actions.report"].browse(report_id)
         func = REPORT_TYPES_FUNC[report.report_type]
@@ -199,6 +202,22 @@ class ReportAsync(models.Model):
                 }
             )
         )
+        # save attachment to records
+        if save_attachment_to_records:
+            model = report.model
+            records = self.env[model].browse(docids)
+            for record in records:
+                attachment = self.env["ir.attachment"].sudo().create(
+                    {
+                        "name": out_name,
+                        "datas": out_file,
+                        "type": "binary",
+                        "res_model": model,
+                        "res_id": record.id,
+                    }
+                )
+                if hasattr(record, 'message_post'):
+                    record.message_post(attachment_ids=[attachment.id])
         self._cr.execute(
             """
             UPDATE ir_attachment SET create_uid = %s, write_uid = %s