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Aggregate monthly totals from billing data

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This commit is contained in:
Imdad Ahad
2017-08-18 16:12:01 +01:00
parent 58baa9919c
commit e05160bdfb
2 changed files with 79 additions and 21 deletions
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12
app/billing/rest.py
View File

@@ -74,19 +74,15 @@ def _get_total_billable_units_and_rate_for_notification_type(billing_data, noti_
def _transform_billing_for_month(billing_for_month):
month_name = datetime.strftime(convert_utc_to_bst(billing_for_month.start_date), "%B")
billing_units = rate = rate_multiplier = international = 0
billing_units = rate = 0
if billing_for_month.monthly_totals:
billing_units = billing_for_month.monthly_totals[0]['billing_units']
rate = billing_for_month.monthly_totals[0]['rate']
rate_multiplier = billing_for_month.monthly_totals[0]['rate_multiplier']
international = billing_for_month.monthly_totals[0]['international']
for total in billing_for_month.monthly_totals:
billing_units += (total['billing_units'] * total['rate_multiplier'])
rate = total['rate']
return {
"month": month_name,
"billing_units": billing_units,
"rate_multiplier": rate_multiplier,
"international": bool(international),
"notification_type": billing_for_month.notification_type,
"rate": rate
}

88
tests/app/billing/test_billing.py
View File

@@ -121,21 +121,17 @@ def test_get_yearly_usage_by_month_returns_correctly(client, sample_template):
resp_json = json.loads(response.get_data(as_text=True))
_assert_dict_equals(resp_json[0], {
'billing_units': 1,
'international': False,
'billing_units': 2,
'month': 'May',
'notification_type': SMS_TYPE,
'rate': 0.12,
'rate_multiplier': 2
'rate': 0.12
})
_assert_dict_equals(resp_json[1], {
'billing_units': 2,
'international': False,
'billing_units': 6,
'month': 'June',
'notification_type': SMS_TYPE,
'rate': 0.12,
'rate_multiplier': 3
'rate': 0.12
})
@@ -156,8 +152,6 @@ def test_transform_billing_for_month_returns_empty_if_no_monthly_totals(sample_s
'notification_type': SMS_TYPE,
'billing_units': 0,
'month': 'April',
'international': False,
'rate_multiplier': 0,
'rate': 0,
})
@@ -183,9 +177,77 @@ def test_transform_billing_for_month_formats_monthly_totals_correctly(sample_ser
_assert_dict_equals(transformed_billing_data, {
'notification_type': SMS_TYPE,
'billing_units': 12,
'billing_units': 60,
'month': 'April',
'international': False,
'rate_multiplier': 5,
'rate': 0.0158,
})
def test_transform_billing_sums_billable_units(sample_service):
create_monthly_billing_entry(
service=sample_service,
monthly_totals=[{
'billing_units': 1321,
'international': False,
'month': 'May',
'notification_type': SMS_TYPE,
'rate': 0.12,
'rate_multiplier': 1
}, {
'billing_units': 1,
'international': False,
'month': 'May',
'notification_type': SMS_TYPE,
'rate': 0.12,
'rate_multiplier': 1
}],
start_date=APR_2016_MONTH_START,
end_date=APR_2016_MONTH_END,
notification_type=SMS_TYPE
)
transformed_billing_data = _transform_billing_for_month(get_monthly_billing_by_notification_type(
sample_service.id, APR_2016_MONTH_START, SMS_TYPE
))
_assert_dict_equals(transformed_billing_data, {
'notification_type': SMS_TYPE,
'billing_units': 1322,
'month': 'April',
'rate': 0.12,
})
def test_transform_billing_calculates_with_different_rate_multipliers(sample_service):
create_monthly_billing_entry(
service=sample_service,
monthly_totals=[{
'billing_units': 1321,
'international': False,
'month': 'May',
'notification_type': SMS_TYPE,
'rate': 0.12,
'rate_multiplier': 1
}, {
'billing_units': 1,
'international': False,
'month': 'May',
'notification_type': SMS_TYPE,
'rate': 0.12,
'rate_multiplier': 3
}],
start_date=APR_2016_MONTH_START,
end_date=APR_2016_MONTH_END,
notification_type=SMS_TYPE
)
transformed_billing_data = _transform_billing_for_month(get_monthly_billing_by_notification_type(
sample_service.id, APR_2016_MONTH_START, SMS_TYPE
))
_assert_dict_equals(transformed_billing_data, {
'notification_type': SMS_TYPE,
'billing_units': 1324,
'month': 'April',
'rate': 0.12,
})