Slightly changed to only unlimited the live services.

Logic:
- live services don't check days limit for now
- restricted services check limits
(caveat) simulate keys aren't checking day limit even in restricted mode.

app/notifications/rest.py

@@ -196,6 +196,12 @@ def send_notification(notification_type):
         sms_template_notification_schema if notification_type == SMS_TYPE else email_notification_schema
     ).load(request.get_json())
 
+    if all((api_user.key_type != KEY_TYPE_TEST, service.restricted)):
+        service_stats = sum(row.count for row in dao_fetch_todays_stats_for_service(service.id))
+        if service_stats >= service.message_limit:
+            error = 'Exceeded send limits ({}) for today'.format(service.message_limit)
+            raise InvalidRequest(error, status_code=429)
+
     if errors:
         raise InvalidRequest(errors, status_code=400)
 
@@ -224,8 +230,8 @@ def send_notification(notification_type):
         raise InvalidRequest(errors, status_code=400)
 
     if (
-        template_object.template_type == SMS_TYPE and
-        template_object.replaced_content_count > current_app.config.get('SMS_CHAR_COUNT_LIMIT')
+            template_object.template_type == SMS_TYPE and
+            template_object.replaced_content_count > current_app.config.get('SMS_CHAR_COUNT_LIMIT')
     ):
         char_count = current_app.config.get('SMS_CHAR_COUNT_LIMIT')
         message = 'Content has a character count greater than the limit of {}'.format(char_count)