Enable filtering accounts by account number

This also requires a `cons_acct_num` parameter to be given, otherwise no results will be returned.

Author: willbarton

django/evaluate_m2/filters.py

@@ -1,6 +1,7 @@
 import django_filters.rest_framework
 
 from evaluate_m2.models import EvaluatorResult
+from parse_m2.models import AccountActivity
 
 
 class AnyCharFilter(django_filters.BaseInFilter, django_filters.CharFilter):
@@ -186,3 +187,21 @@ class Meta:
             "smpa",
             "sort",
         ]
+
+
+class AccountListFilterSet(django_filters.rest_framework.FilterSet):
+    cons_acct_num = django_filters.BaseInFilter(
+        field_name="cons_acct_num",
+        lookup_expr="in"
+    )
+
+    class Meta:
+        model = AccountActivity
+        fields = ["cons_acct_num"]
+
+    # Require a specific list of accounts to filter, otherwise this
+    # filter will return an empty queryset.
+    def filter_queryset(self, queryset):
+        if not self.form.cleaned_data.get("cons_acct_num"):
+            return queryset.none()
+        return super().filter_queryset(queryset)

django/evaluate_m2/views.py

@@ -16,7 +16,7 @@
 from django_application.s3_utils import s3_session
 from evaluate_m2 import upload_utils
 from evaluate_m2.exception_utils import get_evaluate_m2_not_found_exception
-from evaluate_m2.filters import EvaluatorResultFilterSet
+from evaluate_m2.filters import AccountListFilterSet, EvaluatorResultFilterSet
 from evaluate_m2.models import (
     EvaluatorMetadata,
     EvaluatorResult,
@@ -327,13 +327,11 @@ def list(self, request, *args, **kwargs):
         return self.get_paginated_response(serializer.data)
 
 
-
-
 class AccountsListView(generics.ListAPIView):
     filter_backends = [
         django_filters.rest_framework.DjangoFilterBackend,
     ]
-    # filterset_class = EvaluatorResultFilterSet
+    filterset_class = AccountListFilterSet
 
     def get_queryset(self):
         event_id = self.kwargs["event_id"]