[16.0][IMP] report_csv: support attachment use

report_csv/models/ir_report.py

@@ -1,7 +1,13 @@
 # Copyright 2019 Creu Blanca
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
 
+import logging
+
 from odoo import api, fields, models
+from odoo.exceptions import AccessError
+from odoo.tools.safe_eval import safe_eval, time
+
+_logger = logging.getLogger(__name__)
 
 
 class ReportAction(models.Model):
@@ -19,18 +25,58 @@ class ReportAction(models.Model):
         "there is a character that fail to be encoded.",
     )
 
+    def _create_csv_attachment(self, record, data):
+        attachment_name = safe_eval(self.attachment, {"object": record, "time": time})
+        # Unable to compute a name for the attachment.
+        if not attachment_name:
+            return
+        if record and data:
+            attachment = {
+                "name": attachment_name,
+                "raw": data,
+                "res_model": self.model,
+                "res_id": record.id,
+                "type": "binary",
+            }
+            try:
+                self.env["ir.attachment"].create(attachment)
+            except AccessError:
+                _logger.info(
+                    "Cannot save csv report %r as attachment", attachment["name"]
+                )
+            else:
+                _logger.info(
+                    "The csv document %s is now saved in the database",
+                    attachment["name"],
+                )
+
     @api.model
     def _render_csv(self, report_ref, docids, data):
         report_sudo = self._get_report(report_ref)
         report_model_name = "report.%s" % report_sudo.report_name
         report_model = self.env[report_model_name]
-        return report_model.with_context(
+        res_id = len(docids) == 1 and docids[0]
+        if not res_id or not report_sudo.attachment or not report_sudo.attachment_use:
+            return report_model.with_context(
+                **{
+                    "active_model": report_sudo.model,
+                    "encoding": self.encoding,
+                    "encode_error_handling": self.encode_error_handling,
+                }
+            ).create_csv_report(docids, data)
+        record = self.env[report_sudo.model].browse(res_id)
+        attachment = report_sudo.retrieve_attachment(record)
+        if attachment:
+            return attachment.raw.decode(), "csv"
+        data, ext = report_model.with_context(
             **{
                 "active_model": report_sudo.model,
                 "encoding": self.encoding,
                 "encode_error_handling": self.encode_error_handling,
             }
         ).create_csv_report(docids, data)
+        report_sudo._create_csv_attachment(record, data)
+        return data, ext
 
     @api.model
     def _get_report_from_name(self, report_name):

report_csv/tests/test_report.py

@@ -47,6 +47,20 @@ def test_report(self):
         dict_report = list(csv.DictReader(str_io, delimiter=";", quoting=csv.QUOTE_ALL))
         self.assertEqual(self.docs.name, dict(dict_report[0])["name"])
 
+    def test_attachment_use(self):
+        self.report.attachment = "object.name+'.csv'"
+        self.report.attachment_use = True
+        rep = self.report_object._render(self.report_name, self.docs.ids, {})
+        attachment = self.env["ir.attachment"].search(
+            [("name", "=", self.docs.name + ".csv")]
+        )
+        self.assertTrue(attachment)
+        self.assertEqual(attachment.raw.decode(), rep[0])
+        rep_from_attachment = self.report_object._render(
+            self.report_name, self.docs.ids, {}
+        )
+        self.assertTupleEqual(rep, rep_from_attachment)
+
     def test_id_retrieval(self):
 
         # Typical call from WebUI with wizard