Limit big numbers to the last 7 days

Implements and depends on:
- https://github.com/alphagov/notifications-api/pull/241

app/main/views/dashboard.py

@@ -38,7 +38,7 @@ def service_dashboard(service_id):
     return render_template(
         'views/dashboard/dashboard.html',
         statistics=add_rates_to(
-            statistics_api_client.get_statistics_for_service(service_id)['data']
+            statistics_api_client.get_statistics_for_service(service_id, limit_days=7)['data']
         ),
         templates=service_api_client.get_service_templates(service_id)['data'],
         template_statistics=aggregate_usage(
@@ -50,15 +50,11 @@ def service_dashboard(service_id):
 @main.route("/services/<service_id>/dashboard.json")
 @login_required
 def service_dashboard_updates(service_id):
-
-    statistics = statistics_api_client.get_statistics_for_service(service_id)['data']
-    template_statistics = aggregate_usage(template_statistics_client.get_template_statistics_for_service(service_id))
-
     return jsonify(**{
         'today': render_template(
             'views/dashboard/today.html',
             statistics=add_rates_to(
-                statistics_api_client.get_statistics_for_service(service_id)['data']
+                statistics_api_client.get_statistics_for_service(service_id, limit_days=7)['data']
             ),
             template_statistics=aggregate_usage(
                 template_statistics_client.get_template_statistics_for_service(service_id)

app/notify_client/statistics_api_client.py

@@ -12,7 +12,10 @@ class StatisticsApiClient(BaseAPIClient):
         self.client_id = app.config['ADMIN_CLIENT_USER_NAME']
         self.secret = app.config['ADMIN_CLIENT_SECRET']
 
-    def get_statistics_for_service(self, service_id):
+    def get_statistics_for_service(self, service_id, limit_days=None):
+        params = {}
+        if limit_days is not None:
+            params['limit_days'] = limit_days
         return self.get(
             url='/service/{}/notifications-statistics'.format(service_id),
         )

tests/app/main/views/test_dashboard.py

@@ -77,7 +77,7 @@ def test_should_show_recent_templates_on_dashboard(app_,
 
         assert response.status_code == 200
         response.get_data(as_text=True)
-        mock_get_service_statistics.assert_called_once_with(SERVICE_ONE_ID)
+        mock_get_service_statistics.assert_called_once_with(SERVICE_ONE_ID, limit_days=7)
         mock_template_stats.assert_called_once_with(SERVICE_ONE_ID)
 
         page = BeautifulSoup(response.data.decode('utf-8'), 'html.parser')

tests/conftest.py

@@ -172,7 +172,7 @@ def mock_delete_service(mocker, mock_get_service):
 
 @pytest.fixture(scope='function')
 def mock_get_service_statistics(mocker):
-    def _create(service_id):
+    def _create(service_id, limit_days=None):
         return {'data': [{}]}
 
     return mocker.patch(