Using new endpoint for template statistics

- gets notifications by template id, returning the most recent to illustrate the last use of that template.

app/main/views/templates.py

@@ -186,9 +186,21 @@ def delete_service_template(service_id, template_id):
     template['template_content'] = template['content']
     form = form_objects[template['template_type']](**template)
 
-    template_statistics = template_statistics_client.get_template_statistics_for_template(service_id, template['id'])
-    last_use_message = get_last_use_message(form.name.data, template_statistics)
-    flash('{}. Are you sure you want to delete it?'.format(last_use_message), 'delete')
+    try:
+        last_used_notification = template_statistics_client.get_template_statistics_for_template(
+            service_id, template['id']
+        )
+        message = '{} was last used {} ago'.format(
+            last_used_notification['template']['name'],
+            get_human_readable_delta(
+                parse(last_used_notification['created_at']).replace(tzinfo=None),
+                datetime.utcnow())
+        )
+    except HTTPError as e:
+        if e.status_code == 404:
+            message = '{} has never been used'.format(template['name'])
+
+    flash('{}. Are you sure you want to delete it?'.format(message), 'delete')
     return render_template(
         'views/edit-{}-template.html'.format(template['template_type']),
         h1='Edit template',

tests/__init__.py

@@ -213,6 +213,10 @@ def notification_json(
             'next': '/service/{}/notifications'.format(service_id),
             'last': '/service/{}/notifications'.format(service_id)
         }
+    job_payload = None
+    if job:
+        job_payload = {'id': job['id'], 'original_file_name': job['original_file_name']}
+
     data = {
         'notifications': [{
             'to': to,
@@ -220,7 +224,7 @@ def notification_json(
                 'id': template['id'],
                 'name': template['name'],
                 'template_type': template['template_type']},
-            'job': {'id': job['id'], 'original_file_name': job['original_file_name']} if job else None,
+            'job': job_payload,
             'sent_at': sent_at,
             'status': status,
             'created_at': created_at,
@@ -228,13 +232,58 @@ def notification_json(
             'job_row_number': job_row_number,
             'template_version': template['version']
         } for i in range(rows)],
-        'total': 5,
+        'total': rows,
         'page_size': 50,
         'links': links
     }
     return data
 
 
+def single_notification_json(
+    service_id,
+    job=None,
+    template=None,
+    to='07123456789',
+    status=None,
+    sent_at=None,
+    job_row_number=None,
+    created_at=None,
+    updated_at=None
+):
+    if template is None:
+        template = template_json(service_id, str(generate_uuid()))
+    if sent_at is None:
+        sent_at = str(datetime.utcnow().time())
+    if created_at is None:
+        created_at = str(datetime.utcnow().time())
+    if updated_at is None:
+        updated_at = str((datetime.utcnow() + timedelta(minutes=1)).time())
+    if status is None:
+        status = 'delivered'
+    job_payload = None
+    if job:
+        job_payload = {'id': job['id'], 'original_file_name': job['original_file_name']}
+
+    data = {
+        'sent_at': sent_at,
+        'billable_units': 1,
+        'status': status,
+        'created_at': created_at,
+        'reference': None,
+        'updated_at': updated_at,
+        'template_version': 5,
+        'service': service_id,
+        'id': '29441662-17ce-4ffe-9502-fcaed73b2826',
+        'template': template,
+        'job_row_number': 0,
+        'notification_type': 'sms',
+        'api_key': None,
+        'job': job_payload,
+        'sent_by': 'mmg'
+    }
+    return data
+
+
 def validate_route_permission(mocker,
                               app_,
                               method,

tests/conftest.py

@@ -14,7 +14,7 @@ from . import (
     notification_json,
     invite_json,
     sample_uuid,
-    generate_uuid)
+    generate_uuid, single_notification_json)
 from app.notify_client.models import (
     User,
     InvitedUser
@@ -1091,20 +1091,8 @@ def mock_get_template_statistics(mocker, service_one, fake_uuid):
 def mock_get_template_statistics_for_template(mocker, service_one):
     def _get_stats(service_id, template_id):
         template = template_json(service_id, template_id, "Test template", "sms", "Something very interesting")
-        return [
-            {
-                "usage_count": 1,
-                "template": {
-                    "name": template['name'],
-                    "template_type": template['template_type'],
-                    "id": template['id']
-                },
-                "service": template['service'],
-                "id": str(generate_uuid()),
-                "day": "2016-04-04",
-                "updated_at": "2016-04-04T12:00:00.000000+00:00"
-            }
-        ]
+        notification = single_notification_json(service_id, template=template)
+        return notification
 
     return mocker.patch(
         'app.template_statistics_client.get_template_statistics_for_template', side_effect=_get_stats)