Fixed indicators update when some cols where changed

Author: Dmytro Trotsko

src/base/migrations/0002_alter_geography_options.py

@@ -0,0 +1,21 @@
+# Generated by Django 5.2.5 on 2025-10-10 20:33
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("base", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="geography",
+            options={
+                "ordering": ["display_order_number"],
+                "verbose_name": "Geography",
+                "verbose_name_plural": "Geographies",
+            },
+        ),
+    ]

src/indicators/resources.py

@@ -410,9 +410,30 @@ class Meta:
             "restrictions",
             "indicator_set",
         ]
-        import_id_fields: list[str] = ["name", "source"]
+        import_id_fields: list[str] = ["name", "indicator_set", "source"]
         skip_unchanged = True
 
+    def get_instance(self, instance_loader, row):
+        name = row.get("Signal")
+        source = row.get("Source Subdivision")
+        indicator_set = row.get("Indicator Set")
+
+        # Try to match by (name, source)
+        if name and source:
+            try:
+                return self._meta.model.objects.get(name=name, source__name=source)
+            except self._meta.model.DoesNotExist:
+                pass
+
+        # Try to match by (name, indicator_set)
+        if name and indicator_set:
+            try:
+                return self._meta.model.objects.get(name=name, indicator_set__name=indicator_set)
+            except self._meta.model.DoesNotExist:
+                pass
+
+        return None
+
     def before_import_row(self, row, **kwargs) -> None:
         """Post-processes each row after importing."""
         fix_boolean_fields(row)