202 Geometry conflict checking to background

* wraps check_for_conflicts() in celery based method
* fixes bug on InterventionEditForm where geometry's save() has been called twice

intervention/forms/intervention.py

@@ -372,7 +372,6 @@ class EditInterventionForm(NewInterventionForm):
 
             geometry = geom_form.save(user_action)
             self.instance.geometry = geometry
-            self.instance.geometry.save()
 
             self.instance.log.add(user_action)
 

konova/models/geometry.py

@@ -14,6 +14,7 @@ from django.utils import timezone
 
 from konova.models import BaseResource, UuidModel
 from konova.sub_settings.lanis_settings import DEFAULT_SRID_RLP
+from konova.tasks import celery_check_for_geometry_conflicts
 from konova.utils.wfs.spatial import ParcelWFSFetcher
 
 
@@ -28,7 +29,7 @@ class Geometry(BaseResource):
 
     def save(self, *args, **kwargs):
         super().save(*args, **kwargs)
-        self.check_for_conflicts()
+        celery_check_for_geometry_conflicts.delay(self.id)
 
     def check_for_conflicts(self):
         """ Checks for new geometry overlaps

konova/tasks.py

@@ -120,3 +120,10 @@ def celery_send_mail_deduction_changed(obj_identifier, obj_title=None, user_id=N
     from user.models import User
     user = User.objects.get(id=user_id)
     user.send_mail_deduction_changed(obj_identifier, obj_title, data_changes)
+
+
+@shared_task
+def celery_check_for_geometry_conflicts(geom_id):
+    from konova.models import Geometry
+    geometry = Geometry.objects.get(id=geom_id)
+    geometry.check_for_conflicts()

konova/tests/test_geometries.py

@@ -47,6 +47,7 @@ class GeometryTestCase(BaseTestCase):
         Returns:
 
         """
+        self.geom_2.check_for_conflicts()
         conflict = GeometryConflict.objects.all()
         self.assertEqual(1, conflict.count())
         conflict = conflict.first()