Add member counts to /charts/ API

apiserver/apiserver/api/serializers.py

@@ -417,6 +417,12 @@ class MyPasswordChangeSerializer(PasswordChangeSerializer):
         super().save()
 
 
+class MemberCountSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = models.StatsMemberCount
+        fields = '__all__'
+
+
 class HistoryChangeSerializer(serializers.ModelSerializer):
     class Meta:
         model = models.HistoryChange

apiserver/apiserver/api/views.py

@@ -385,6 +385,12 @@ class StatsViewSet(viewsets.ViewSet, List):
             raise exceptions.ValidationError(dict(data='This field is required.'))
 
 
+class MemberCountViewSet(Base, List):
+    pagination_class = None
+    queryset = models.StatsMemberCount.objects.all()
+    serializer_class = serializers.MemberCountSerializer
+
+
 class BackupView(views.APIView):
     def get(self, request):
         auth_token = request.META.get('HTTP_AUTHORIZATION', '')

apiserver/apiserver/urls.py

@@ -19,6 +19,7 @@ router.register(r'history', views.HistoryViewSet, basename='history')
 router.register(r'sessions', views.SessionViewSet, basename='session')
 router.register(r'training', views.TrainingViewSet, basename='training')
 router.register(r'transactions', views.TransactionViewSet, basename='transaction')
+router.register(r'charts/membercount', views.MemberCountViewSet, basename='membercount')
 #router.register(r'me', views.FullMemberView, basename='fullmember')
 #router.register(r'registration', views.RegistrationViewSet, basename='register')