Merge branch 'avg_bi' into 'dev'

max min pp

See merge request spatial/postamates!160

service/utils.py

@@ -13,7 +13,7 @@ from django.core.cache import cache
 from django.conf import settings
 from rest_framework.response import Response
 from rest_framework.viewsets import ReadOnlyModelViewSet
-from django.db.models import Avg
+from django.db.models import Avg, Min, Max
 
 
 import psycopg2
@@ -134,6 +134,8 @@ def get_middle_bi_values():
     aggregations = {}
     for field_name in fields_to_aggregate:
         aggregations[f'avg_{field_name}'] = Avg(field_name)
+        aggregations[f'min_{field_name}'] = Min(field_name)
+        aggregations[f'max_{field_name}'] = Max(field_name)
     result = models.PlacementPoint.objects.aggregate(**aggregations)
     return result