Temporary endpoint to test the new usage page updates.

This code will go away once we are happy the results match.

app/main/views/dashboard.py

@@ -169,6 +169,37 @@ def usage(service_id):
     )
 
 
+@main.route("/services/<service_id>/ft-usage")
+@login_required
+@user_has_permissions('manage_service')
+def ft_usage(service_id):
+    year, current_financial_year = requested_and_current_financial_year(request)
+
+    free_sms_allowance = billing_api_client.get_free_sms_fragment_limit_for_year(service_id, year)
+    units = billing_api_client.get_billable_units_ft(service_id, year)
+    yearly_usage = billing_api_client.get_service_usage_ft(service_id, year)
+
+    usage_template = 'views/usage.html'
+    if 'letter' in current_service['permissions']:
+        usage_template = 'views/usage-with-letters.html'
+    return render_template(
+        usage_template,
+        months=list(get_free_paid_breakdown_for_billable_units(
+            year,
+            free_sms_allowance,
+            units
+        )),
+        selected_year=year,
+        years=get_tuples_of_financial_years(
+            partial(url_for, '.ft_usage', service_id=service_id),
+            start=current_financial_year - 1,
+            end=current_financial_year + 1,
+        ),
+        **calculate_usage(yearly_usage,
+                          free_sms_allowance)
+    )
+
+
 @main.route("/services/<service_id>/monthly")
 @login_required
 @user_has_permissions('view_activity')

app/notify_client/billing_api_client.py

@@ -19,6 +19,20 @@ class BillingAPIClient(NotifyAdminAPIClient):
             params=dict(year=year)
         )
 
+    # Temporary methods to compare the usage before and after using ft_billing
+    def get_billable_units_ft(self, service_id, year):
+        return self.get(
+            '/service/{0}/billing/ft-monthly-usage'.format(service_id),
+            params=dict(year=year)
+        )
+
+    # Temporary methods to compare the usage before and after using ft_billing
+    def get_service_usage_ft(self, service_id, year=None):
+        return self.get(
+            '/service/{0}/billing/ft-yearly-usage-summary'.format(service_id),
+            params=dict(year=year)
+        )
+
     def get_free_sms_fragment_limit_for_year(self, service_id, year=None):
         result = self.get(
             '/service/{0}/billing/free-sms-fragment-limit'.format(service_id),