fixes

service/service.py

@@ -136,6 +136,7 @@ class PointService:
             origin = point.geometry
             qs = models.PlacementPoint.objects.filter(status=PointStatus.Working.name).annotate(
                 dist=Dist('geometry', origin)).order_by('dist')
+            if qs:
                 point.target_dist = qs[0].dist.m
                 point.target_post_cnt = qs.filter(
                     dist__lt=Distance(m=DEFAULT_PLACEMENT_POINT_UPDATE_RADIUS)
@@ -232,7 +233,9 @@ class PointService:
                 param1__sum=Sum('param1'))['param1__sum']
             point.age_day = AGE_DAY_LIMIT
             placement_point = models.PlacementPoint.objects.annotate(
-                dist=Dist('geometry', origin)).order_by('dist')[0]
+                dist=Dist('geometry', origin)).order_by('dist')
+            if placement_point:
+                placement_point = placement_point[0]
                 point.target_cnt_ao_mean = placement_point.target_cnt_ao_mean
             point.save()
             for group in groups:
@@ -302,7 +305,7 @@ class PointService:
         data = pd.DataFrame(serializer.data)
         if not data.empty:
             if data['start_date'].any():
-                data['start_date'] = data.get('start_date').dt.tz_localize(None)
+                data['start_date'] = data['start_date'].apply(lambda x :  pd.to_datetime(x).tz_localize(None) if x else None)
             if data['sample_trn'].any():
                 data['sample_trn'] = data['sample_trn'].astype(int)
             data.rename(columns={'district_id': 'district', 'area_id': 'area'}, inplace=True)

service/views.py

@@ -410,8 +410,12 @@ class PrePlacementPointViewSet(PlacementPointViewSet):
 
     @action(detail=False, methods=['delete'])
     def delete_points(self, request):
-        ids = request.POST['ids'].split(',')
+        ids = request.POST.get('ids')
+        if ids:
+            ids = ids.split(',')
             PointService.delete_preplacement_points(ids)
+        else:
+            models.PrePlacementPoint.objects.all().delete()
         return Response(status=HTTPStatus.OK, )
 
     @action(detail=False, methods=['get'])