[#4005] Filter submission reports

src/openforms/submissions/admin.py

@@ -348,7 +348,11 @@ def retry_processing_submissions(self, request, queryset):
 class SubmissionReportAdmin(PrivateMediaMixin, admin.ModelAdmin):
     list_display = ("title",)
     list_filter = ("title",)
-    search_fields = ("title",)
+    search_fields = (
+        "title",
+        "submission__uuid",
+        "submission__public_registration_reference",
+    )
     raw_id_fields = ("submission",)
 
     private_media_fields = ("content",)

src/openforms/submissions/tasks/pdf.py

@@ -23,7 +23,11 @@ def generate_submission_report(task, submission_id: int) -> None:
         submission_report = submission.report
     except SubmissionReport.DoesNotExist:
         submission_report = SubmissionReport.objects.create(
-            title=_("%(title)s: Submission report") % {"title": submission.form.name},
+            title=_("%(title)s: Submission report (%(reference)s)")
+            % {
+                "title": submission.form.name,
+                "reference": submission.public_registration_reference,
+            },
             submission=submission,
             task_id=task.request.id,
         )

src/openforms/submissions/tests/test_tasks_pdf.py

@@ -17,15 +17,20 @@
 class SubmissionReportGenerationTests(TestCase):
     def test_submission_report_metadata(self):
         submission = SubmissionFactory.create(
-            completed=True, form__name="Test Form", form__slug="test-form"
+            completed=True,
+            form__name="Test Form",
+            form__slug="test-form",
+            public_registration_reference="OF-TRALALA",
         )
 
         generate_submission_report.request.id = "some-id"
         generate_submission_report.run(submission.id)
 
         report = SubmissionReport.objects.get()
         self.assertEqual(
-            _("%(title)s: Submission report") % {"title": "Test Form"}, report.title
+            _("%(title)s: Submission report (%(reference)s)")
+            % {"title": "Test Form", "reference": "OF-TRALALA"},
+            report.title,
         )
         self.assertEqual(submission, report.submission)
         self.assertTrue(report.content.name.endswith("test-form.pdf"))