Refactor geo re-resolve endpoint into geo_service and add typed response

backend/tests/test_services/test_geo_service.py

@@ -842,6 +842,54 @@ class TestLookupCachedOnly:
         assert uncached.count("9.9.9.9") == 1
 
 
+class TestReResolveAll:
+    """Tests for :func:`~app.services.geo_service.re_resolve_all`."""
+
+    async def test_returns_zero_when_no_unresolved_ips(self) -> None:
+        """The service returns zero counts when there are no unresolved IPs."""
+        db = MagicMock()
+        session = MagicMock()
+
+        with patch(
+            "app.services.geo_service.get_unresolved_ips",
+            AsyncMock(return_value=[]),
+        ), patch("app.services.geo_service.lookup_batch", AsyncMock()) as mock_lookup, patch(
+            "app.services.geo_service.clear_neg_cache",
+            MagicMock(),
+        ) as mock_clear:
+            result = await geo_service.re_resolve_all(db, session)
+
+        assert result == {"resolved": 0, "total": 0}
+        mock_clear.assert_not_called()
+        mock_lookup.assert_not_called()
+
+    async def test_clears_neg_cache_and_returns_counts(self) -> None:
+        """The service clears negative cache and returns resolved and total counts."""
+        db = MagicMock()
+        session = MagicMock()
+        ips = ["1.1.1.1", "2.2.2.2"]
+        geo_map = {
+            "1.1.1.1": GeoInfo(country_code="DE", country_name="Germany", asn=None, org=None),
+            "2.2.2.2": GeoInfo(country_code=None, country_name=None, asn=None, org=None),
+        }
+
+        with patch(
+            "app.services.geo_service.get_unresolved_ips",
+            AsyncMock(return_value=ips),
+        ), patch(
+            "app.services.geo_service.lookup_batch",
+            AsyncMock(return_value=geo_map),
+        ) as mock_lookup, patch(
+            "app.services.geo_service.clear_neg_cache",
+            MagicMock(),
+        ) as mock_clear:
+            result = await geo_service.re_resolve_all(db, session)
+
+        assert result == {"resolved": 1, "total": 2}
+        mock_clear.assert_called_once()
+        mock_lookup.assert_awaited_once_with(ips, session, db=db)
+
+
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