Add a page to show delivery rates week-by-week

Implements
https://github.com/alphagov/notifications-api/pull/286

Will always show weeks as Monday to Sunday.

app/__init__.py

@@ -101,6 +101,7 @@ def create_app():
     application.add_template_filter(valid_phone_number)
     application.add_template_filter(linkable_name)
     application.add_template_filter(format_date)
+    application.add_template_filter(format_date_short)
 
     application.after_request(useful_headers_after_request)
     application.after_request(save_service_after_request)
@@ -201,6 +202,11 @@ def format_date(date):
     return date.strftime('%A %d %B %Y')
 
 
+def format_date_short(date):
+    date = dateutil.parser.parse(date)
+    return date.strftime('%d %B').lstrip('0')
+
+
 def valid_phone_number(phone_number):
     try:
         validate_phone_number(phone_number)

app/assets/stylesheets/components/big-number.scss

@@ -24,6 +24,21 @@
   color: $white;
   position: relative;
 
+  &-show-more-link {
+    @include core-16;
+    display: block;
+    padding: 0.75em 0 0.5625em 0;
+    margin-bottom: $gutter-half;
+    text-align: center;
+    border-bottom: 1px solid $border-colour;
+
+    &:focus {
+      outline: none;
+      color: $text-colour;
+      border-bottom: 1px solid $brown;
+    }
+  }
+
   .big-number {
     padding: 15px;
     position: relative;

app/assets/stylesheets/components/table.scss

@@ -4,7 +4,7 @@
 
 .table-heading {
   text-align: left;
-  margin: 40px 0 5px 0;
+  margin: 40px 0 $gutter-half 0;
 }
 
 .table-field-headings {
@@ -111,10 +111,10 @@
 .table-show-more-link {
   @include core-16;
   color: $secondary-text-colour;
-  margin-top: -20px;
+  margin-top: -30px;
   margin-bottom: $gutter * 1.3333;
   border-bottom: 1px solid $border-colour;
-  padding-bottom: 10px;
+  padding: 0.75em 0 0.5625em 0;
   text-align: center;
 }
 

app/assets/stylesheets/views/dashboard.scss

@@ -1,6 +1,6 @@
 .dashboard {
   table th {
-    @include bold-19;
+    font-size: 0;
   }
 }
 
@@ -13,7 +13,7 @@
     @include core-16;
     border-top: 1px solid $border-colour;
     border-bottom: 1px solid $border-colour;
-    padding: 10px 0;
+    padding: 0.75em 0 0.5625em 0;
     text-align: center;
   }
 

app/main/views/dashboard.py

@@ -1,4 +1,5 @@
-from datetime import date
+from datetime import datetime, date, timedelta
+from dateutil import parser
 from collections import namedtuple
 from itertools import groupby
 from functools import reduce
@@ -90,40 +91,72 @@ def usage(service_id):
     )
 
 
-def add_rates_to(delivery_statistics):
+@main.route("/services/<service_id>/weekly")
+@login_required
+@user_has_permissions('manage_settings', admin_override=True)
+def weekly(service_id):
 
-    keys = [
+    earliest_date = date(2016, 4, 1)  # start of tax year
+    while earliest_date.weekday() != 0:  # 0 for monday
+        earliest_date -= timedelta(days=1)
+
+    return render_template(
+        'views/weekly.html',
+        days=(
+            add_rates_to(day) for day in
+            statistics_api_client.get_7_day_aggregate_for_service(
+                service_id,
+                date_from=earliest_date
+            )['data']
+        ),
+        now=datetime.now()
+    )
+
+
+def sum_of_statistics(delivery_statistics):
+
+    statistics_keys = (
         'emails_delivered',
         'emails_requested',
         'emails_failed',
         'sms_requested',
         'sms_delivered',
         'sms_failed'
-    ]
+    )
 
     if not delivery_statistics or not delivery_statistics[0]:
         return {
-            key: 0 for key in keys
+            key: 0 for key in statistics_keys
         }
 
-    sum_of_statistics = reduce(
+    return reduce(
         lambda x, y: {
             key: x.get(key, 0) + y.get(key, 0)
-            for key in keys
+            for key in statistics_keys
         },
         delivery_statistics
     )
 
+
+def add_rates_to(delivery_statistics):
+
     return dict(
         emails_failure_rate=(
-            "{0:.1f}".format((float(sum_of_statistics['emails_failed']) / sum_of_statistics['emails_requested'] * 100))
-            if sum_of_statistics['emails_requested'] else 0
+            "{0:.1f}".format(
+                float(delivery_statistics['emails_failed']) / delivery_statistics['emails_requested'] * 100
+            )
+            if delivery_statistics['emails_requested'] else 0
         ),
         sms_failure_rate=(
-            "{0:.1f}".format((float(sum_of_statistics['sms_failed']) / sum_of_statistics['sms_requested'] * 100))
-            if sum_of_statistics['sms_requested'] else 0
+            "{0:.1f}".format(
+                float(delivery_statistics['sms_failed']) / delivery_statistics['sms_requested'] * 100
+            )
+            if delivery_statistics['sms_requested'] else 0
         ),
-        **sum_of_statistics
+        week_end_datetime=parser.parse(
+            delivery_statistics.get('week_end', str(datetime.now()))
+        ),
+        **delivery_statistics
     )
 
 
@@ -167,9 +200,9 @@ def get_dashboard_statistics_for_service(service_id):
     emails_sent = usage['data'].get('email_count', 0)
 
     return {
-        'statistics': add_rates_to(
+        'statistics': add_rates_to(sum_of_statistics(
             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, limit_days=7)
         ),

app/notify_client/statistics_api_client.py

@@ -20,3 +20,14 @@ class StatisticsApiClient(BaseAPIClient):
             url='/service/{}/notifications-statistics'.format(service_id),
             params=params
         )
+
+    def get_7_day_aggregate_for_service(self, service_id, date_from=None, week_count=None):
+        params = {}
+        if date_from is not None:
+            params['date_from'] = date_from
+        if week_count is not None:
+            params['week_count'] = week_count
+        return self.get(
+            url='/service/{}/notifications-statistics/seven_day_aggregate'.format(service_id),
+            params=params
+        )

app/templates/components/big-number.html

@@ -26,7 +26,9 @@
   failure_percentage,
   danger_zone=False,
   failure_link=None,
-  label_link=None
+  label_link=None,
+  show_more_link=None,
+  show_more_text=''
 ) %}
   <div class="big-number-with-status">
     {{ big_number(number, label, label_link) }}
@@ -44,4 +46,7 @@
       {% endif %}
     </div>
   </div>
+  {% if show_more_link and show_more_text %}
+    <a href="{{ show_more_link }}" class="big-number-with-status-show-more-link">{{ show_more_text }}</a>
+  {% endif %}
 {% endmacro %}

app/templates/views/dashboard/dashboard.html

@@ -20,6 +20,9 @@
       {% include 'views/dashboard/no-permissions-banner.html' %}
     {% endif %}
 
+    <h1 class="heading-medium">
+      In the last 7 days
+    </h1>
     {% include 'views/dashboard/today.html' %}
 
   </div>

app/templates/views/dashboard/template-statistics.html

@@ -1,21 +1,23 @@
 {% from "components/table.html" import list_table, field, hidden_field_heading, right_aligned_field_heading %}
+
 {% call(item, row_number) list_table(
   template_statistics,
-  caption="By template",
-  caption_visible=False,
+  caption="Templates",
+  caption_visible=True,
   empty_message='You haven’t used any templates {}'.format(period),
-  field_headings=['Template', hidden_field_heading('Type'), right_aligned_field_heading('Messages sent')]
+  field_headings=['Template', hidden_field_heading('Type'), hidden_field_heading('Messages sent')],
+  field_headings_visible=False
 ) %}
   {% call field() %}
     <a href="{{ url_for('.view_template', service_id=current_service.id, template_id=item.template.id) }}">
       {{ item.template.name }}
     </a>
   {% endcall %}
-  {% call field() %}
-    {{'Text message' if 'sms' == item.template.template_type else 'Email'}}
-  {% endcall %}
   {% call field(align='right') %}
     {{ item.usage_count }}
   {% endcall %}
+  {% call field() %}
+    {{'text messages sent' if 'sms' == item.template.template_type else 'emails sent'}}
+  {% endcall %}
 {% endcall %}
 

app/templates/views/dashboard/today.html

@@ -7,10 +7,7 @@
   data-interval-seconds="2"
   aria-live="polite"
 >
-  <h2 class="heading-medium">
-    In the last 7 days
-  </h2>
-  <div class="grid-row bottom-gutter">
+  <div class="grid-row">
     <div class="column-half">
       {{ big_number_with_status(
         statistics.emails_requested,
@@ -33,6 +30,9 @@
         label_link=url_for(".view_notifications", service_id=current_service.id, template_type='sms', status='delivered,failed')
       ) }}
     </div>
+    <div class="column-whole">
+      <a class="big-number-with-status-show-more-link" href="{{ url_for('.weekly', service_id=current_service.id) }}">Compare to previous weeks</a>
+    </div>
   </div>
   {% with period = "in the last 7 days" %}
     {% include 'views/dashboard/template-statistics.html' %}

app/templates/views/weekly.html

@@ -0,0 +1,50 @@
+{% from "components/table.html" import list_table, field, hidden_field_heading, right_aligned_field_heading %}
+
+{% extends "withnav_template.html" %}
+
+{% block page_title %}
+  Daily – GOV.UK Notify
+{% endblock %}
+
+{% block maincolumn_content %}
+
+  <h1 class="heading-large">
+    Previous weeks
+  </h1>
+  {% call(item, row_number) list_table(
+    days,
+    caption="Daily",
+    caption_visible=False,
+    empty_message='No data found',
+    field_headings=[
+      hidden_field_heading('Day'),
+      right_aligned_field_heading('Emails'),
+      right_aligned_field_heading('Failure rate'),
+      right_aligned_field_heading('Text messages'),
+      right_aligned_field_heading('Failure rate')
+    ]
+  ) %}
+    {% call field() %}
+      {{ item.week_start|format_date_short }} to
+      {% if item.week_end_datetime > now %}
+        today
+      {% else %}
+        {{ item.week_end|format_date_short }}
+      {% endif %}
+    {% endcall %}
+    {% call field(align='right') %}
+      {{ item.emails_requested }}
+    {% endcall %}
+    {% call field(align='right') %}
+      {{ item.emails_failure_rate }}%
+    {% endcall %}
+    {% call field(align='right') %}
+      {{ item.sms_requested }}
+    {% endcall %}
+    {% call field(align='right') %}
+      {{ item.sms_failure_rate }}%
+    {% endcall %}
+  {% endcall %}
+
+
+{% endblock %}

tests/app/main/views/test_dashboard.py

@@ -61,6 +61,7 @@ def test_should_show_recent_templates_on_dashboard(app_,
                                                    mock_get_service,
                                                    mock_get_service_templates,
                                                    mock_get_service_statistics,
+                                                   mock_get_aggregate_service_statistics,
                                                    mock_get_user,
                                                    mock_get_user_by_email,
                                                    mock_login,
@@ -82,7 +83,7 @@ def test_should_show_recent_templates_on_dashboard(app_,
         mock_template_stats.assert_called_once_with(SERVICE_ONE_ID, limit_days=7)
 
         page = BeautifulSoup(response.data.decode('utf-8'), 'html.parser')
-        headers = [header.text.strip() for header in page.find_all('h2')]
+        headers = [header.text.strip() for header in page.find_all('h2') + page.find_all('h1')]
         assert 'Test Service' in headers
         assert 'In the last 7 days' in headers
         template_usage_headers = [th.text.strip() for th in page.thead.find_all('th')]
@@ -94,12 +95,12 @@ def test_should_show_recent_templates_on_dashboard(app_,
         first_row = page.tbody.find_all('tr')[0]
         table_data = first_row.find_all('td')
         assert len(table_data) == 3
-        assert table_data[2].text.strip() == '206'
+        assert table_data[1].text.strip() == '206'
 
         second_row = page.tbody.find_all('tr')[1]
         table_data = second_row.find_all('td')
         assert len(table_data) == 3
-        assert table_data[2].text.strip() == '13'
+        assert table_data[1].text.strip() == '13'
 
 
 def test_should_show_all_templates_on_template_statistics_page(
@@ -137,12 +138,12 @@ def test_should_show_all_templates_on_template_statistics_page(
         first_row = page.tbody.find_all('tr')[0]
         table_data = first_row.find_all('td')
         assert len(table_data) == 3
-        assert table_data[2].text.strip() == '206'
+        assert table_data[1].text.strip() == '206'
 
         second_row = page.tbody.find_all('tr')[1]
         table_data = second_row.find_all('td')
         assert len(table_data) == 3
-        assert table_data[2].text.strip() == '13'
+        assert table_data[1].text.strip() == '13'
 
 
 def _test_dashboard_menu(mocker, app_, usr, service, permissions):

tests/conftest.py

@@ -191,6 +191,15 @@ def mock_get_service_statistics(mocker):
         'app.statistics_api_client.get_statistics_for_service', side_effect=_create)
 
 
+@pytest.fixture(scope='function')
+def mock_get_aggregate_service_statistics(mocker):
+    def _create(service_id, limit_days=None):
+        return {'data': [{}]}
+
+    return mocker.patch(
+        'app.statistics_api_client.get_7_day_aggregate_for_service', side_effect=_create)
+
+
 @pytest.fixture(scope='function')
 def mock_get_service_template(mocker):
     def _get(service_id, template_id):