Show link to service history in the settings page

Based on discussion in [^1].

[^1]: https://github.com/alphagov/notifications-admin/pull/4157

app/templates/views/service-settings.html

@@ -471,6 +471,12 @@
                 Suspend service
               </a>
           </span>
+
+          <span class="page-footer-link">
+            <a href="{{ url_for('.history', service_id=current_service.id) }}" class="govuk-link govuk-link--no-visited-state page-footer-link">
+              Service history
+            </a>
+          </span>
         {% endif %}
       </p>
     {% endif %}
@@ -485,6 +491,12 @@
             Resume service
           </a>
         </span>
+
+        <span class="page-footer-link">
+          <a href="{{ url_for('.history', service_id=current_service.id) }}" class="govuk-link govuk-link--no-visited-state page-footer-link">
+            Service history
+          </a>
+        </span>
       </p>
     {% endif %}
 

tests/app/main/views/service_settings/test_service_setting_permissions.py

@@ -151,9 +151,11 @@ def test_service_setting_toggles_show(
 @pytest.mark.parametrize('service_fields, endpoint, index, text', [
     ({'active': True}, '.archive_service', 0, 'Delete this service'),
     ({'active': True}, '.suspend_service', 1, 'Suspend service'),
+    ({'active': True}, '.history', 2, 'Service history'),
     ({'active': False}, '.resume_service', 0, 'Resume service'),
+    ({'active': False}, '.history', 1, 'Service history'),
     pytest.param(
-        {'active': False}, '.archive_service', 1, 'Resume service',
+        {'active': False}, '.archive_service', 2, 'Resume service',
         marks=pytest.mark.xfail(raises=IndexError)
     )
 ])