fix manual parser refresh reliability

tests/apps/parsers/test_views.py

@@ -11,7 +11,7 @@ import zipfile
 from datetime import date
 from unittest.mock import Mock, patch
 
-from apps.core.models import BackgroundJob
+from apps.core.models import BackgroundJob, JobStatus
 from apps.parsers.models import (
     FinancialReport,
     FinancialReportLine,
@@ -1428,3 +1428,22 @@ class ParsersViewSetTest(APITestCase):
         queued_task_id = apply_async_mock.call_args.kwargs["task_id"]
         job = BackgroundJob.objects.get(task_id=queued_task_id)
         self.assertEqual(job.meta["source_key"], "mpt_products")
+
+    def test_run_parser_reuses_fresh_active_job(self):
+        self.client.force_authenticate(self.user)
+        existing = BackgroundJob.objects.create(
+            task_id="active-products",
+            task_name="apps.parsers.tasks.parse_industrial_products",
+            status=JobStatus.STARTED,
+        )
+        url = reverse("api_v1:parsers:run-parser", args=["industrial_products"])
+
+        with patch(
+            "apps.parsers.views.tasks.parse_industrial_products.apply_async"
+        ) as apply_async_mock:
+            response = self.client.post(url, {}, format="json")
+
+        self.assertEqual(response.status_code, status.HTTP_202_ACCEPTED)
+        self.assertEqual(response.data["data"]["task_id"], existing.task_id)
+        self.assertTrue(response.data["data"]["already_running"])
+        apply_async_mock.assert_not_called()