feat: update finance exchange and source refresh jobs

tests/apps/core/test_background_jobs.py

@@ -61,6 +61,20 @@ class BackgroundJobModelTest(TestCase):
         self.assertEqual(job.result, result)
         self.assertIsNotNone(job.completed_at)
 
+    def test_complete_clears_previous_failure_details(self):
+        job = BackgroundJob.objects.create(
+            task_id=fake.uuid4(),
+            task_name="test.task",
+            error="stale error",
+            traceback="stale traceback",
+        )
+
+        job.complete(result={"processed": 1})
+
+        self.assertEqual(job.status, JobStatus.SUCCESS)
+        self.assertEqual(job.error, "")
+        self.assertEqual(job.traceback, "")
+
     def test_fail(self):
         """Тест завершения с ошибкой."""
         job = BackgroundJob.objects.create(
@@ -288,7 +302,7 @@ class BackgroundJobServiceTest(TestCase):
             task_name="apps.other.tasks.task",
             meta={"source": "industrial_products"},
         )
-        old_timestamp = timezone.now() - timedelta(hours=3)
+        old_timestamp = timezone.now() - timedelta(hours=25)
         BackgroundJob.objects.filter(
             task_id__in=[stale_job.task_id, unrelated_job.task_id]
         ).update(created_at=old_timestamp, updated_at=timezone.now())
@@ -307,3 +321,37 @@ class BackgroundJobServiceTest(TestCase):
         self.assertIn("Stale background job", stale_job.error)
         self.assertEqual(fresh_job.status, JobStatus.PENDING)
         self.assertEqual(unrelated_job.status, JobStatus.PENDING)
+
+    def test_mark_stale_active_jobs_uses_updated_at_for_started_job(self):
+        job = BackgroundJobService.create_job(
+            task_id="job-heartbeat",
+            task_name="apps.parsers.tasks.parse_industrial_products",
+            meta={"source": "industrial_products"},
+        )
+        job.mark_started()
+        old_timestamp = timezone.now() - timedelta(hours=5)
+        BackgroundJob.objects.filter(pk=job.pk).update(
+            started_at=old_timestamp,
+            updated_at=timezone.now(),
+        )
+
+        updated = BackgroundJobService.mark_stale_active_jobs_failed(
+            max_age_minutes=240,
+            task_names={"apps.parsers.tasks.parse_industrial_products"},
+            meta_sources={"industrial_products"},
+        )
+
+        self.assertEqual(updated, 0)
+        job.refresh_from_db()
+        self.assertEqual(job.status, JobStatus.STARTED)
+
+        BackgroundJob.objects.filter(pk=job.pk).update(updated_at=old_timestamp)
+        updated = BackgroundJobService.mark_stale_active_jobs_failed(
+            max_age_minutes=240,
+            task_names={"apps.parsers.tasks.parse_industrial_products"},
+            meta_sources={"industrial_products"},
+        )
+
+        self.assertEqual(updated, 1)
+        job.refresh_from_db()
+        self.assertEqual(job.status, JobStatus.FAILURE)