add new daily sms provider volumes report

nearly identical to the daily-volumes-report but sms only, and split up
by provider

app/main/views/platform_admin.py

@@ -381,6 +381,46 @@ def get_daily_volumes():
     return render_template('views/platform-admin/daily-volumes-report.html', form=form)
 
 
+@main.route("/platform-admin/reports/daily-sms-provider-volumes-report", methods=['GET', 'POST'])
+@user_is_platform_admin
+def get_daily_sms_provider_volumes():
+    form = BillingReportDateFilterForm()
+
+    if form.validate_on_submit():
+        start_date = form.start_date.data
+        end_date = form.end_date.data
+        headers = [
+            "day",
+            "provider",
+            "sms totals",
+            "sms fragment totals",
+            "sms chargeable units",
+            "sms cost",
+        ]
+        result = billing_api_client.get_data_for_daily_sms_provider_volumes_report(start_date, end_date)
+
+        rows = [
+            [
+                r["day"],
+                r["provider"],
+                r["sms_totals"],
+                r["sms_fragment_totals"],
+                r["sms_chargeable_units"],
+                r["sms_cost"]
+            ]
+            for r in result
+        ]
+        if rows:
+            return Spreadsheet.from_rows([headers] + rows).as_csv_data, 200, {
+                'Content-Type': 'text/csv; charset=utf-8',
+                'Content-Disposition':
+                    f'attachment; filename="Daily SMS provider volumes report from {start_date} to {end_date}.csv"'
+            }
+        else:
+            flash('No results for dates')
+    return render_template('views/platform-admin/daily-sms-provider-volumes-report.html', form=form)
+
+
 @main.route("/platform-admin/complaints")
 @user_is_platform_admin
 def platform_admin_list_complaints():

app/navigation.py

@@ -95,6 +95,7 @@ class HeaderNavigation(Navigation):
             'notifications_sent_by_service',
             'get_billing_report',
             'get_daily_volumes',
+            'get_daily_sms_provider_volumes',
             'get_volumes_by_service',
             'organisations',
             'platform_admin',

app/notify_client/billing_api_client.py

@@ -55,5 +55,14 @@ class BillingAPIClient(NotifyAdminAPIClient):
                             'end_date': str(end_date),
                         })
 
+    def get_data_for_daily_sms_provider_volumes_report(self, start_date, end_date):
+        return self.get(
+            url='/platform-stats/daily-sms-provider-volumes-report',
+            params={
+                'start_date': str(start_date),
+                'end_date': str(end_date),
+            }
+        )
+
 
 billing_api_client = BillingAPIClient()

app/templates/views/platform-admin/daily-sms-provider-volumes-report.html

@@ -0,0 +1,47 @@
+{% extends "views/platform-admin/_base_template.html" %}
+{% from "components/form.html" import form_wrapper %}
+{% from "components/table.html" import mapping_table, row, text_field %}
+
+{% block per_page_title %}
+  Daily SMS provider volumes Report
+{% endblock %}
+
+{% block platform_admin_content %}
+
+  <h1 class="heading-large">
+    Daily SMS provider volumes Report
+  </h1>
+
+  {% call form_wrapper() %}
+    {{ form.start_date(param_extensions={"hint": {"text": "Use the format YYYY-MM-DD"}}) }}
+    {{ form.end_date(param_extensions={"hint": {"text": "Use the format YYYY-MM-DD"}}) }}
+    {{ page_footer('Download report') }}
+  {% endcall %}
+
+  <h2 class="heading-medium">
+    Data included in the report
+  </h2>
+<div class="bottom-gutter-3-2">
+    {% call mapping_table(
+      caption='Descriptions of daily SMS provider volumes data',
+      field_headings=['Name', 'Description'],
+      field_headings_visible=True,
+      caption_visible=False
+    ) %}
+      {% for message_length, description in [
+        ('day', 'The whole business day in BST'),
+        ('provider', 'The SMS provider'),
+        ('sms totals', 'The number of text messages sent'),
+        ('sms fragments', 'The number of text message fragments sent'),
+        ('sms chargeable units', 'The number of text message fragments sent times the rate multiplier'),
+        ('sms cost', 'The cost of text messages sent'),
+      ] %}
+        {% call row() %}
+          {{ text_field(message_length) }}
+          {{ text_field(description | safe) }}
+        {% endcall %}
+      {% endfor %}
+    {% endcall %}
+  </div>
+
+{% endblock %}

app/templates/views/platform-admin/reports.html

@@ -25,4 +25,7 @@
 <p class="govuk-body">
   <a class="govuk-link govuk-link--no-visited-state" href="{{ url_for('main.get_daily_volumes') }}">Daily volumes Report</a>
 </p>
+<p class="govuk-body">
+  <a class="govuk-link govuk-link--no-visited-state" href="{{ url_for('main.get_daily_sms_provider_volumes') }}">Daily SMS provider volumes Report</a>
+</p>
 {% endblock %}