def change_plan_at_end_of_cycle(request: HttpRequest, user: UserProfile,
status: int=REQ("status", validator=check_int)) -> HttpResponse:
assert(status in [CustomerPlan.ACTIVE, CustomerPlan.DOWNGRADE_AT_END_OF_CYCLE])
plan = get_current_plan(Customer.objects.get(realm=user.realm))
assert(plan is not None) # for mypy
do_change_plan_status(plan, status)
return json_success()
def initial_upgrade(request: HttpRequest) -> HttpResponse:
if not settings.BILLING_ENABLED:
return render(request, "404.html")
user = request.user
customer = Customer.objects.filter(realm=user.realm).first()
if customer is not None and get_current_plan(customer) is not None:
return HttpResponseRedirect(reverse('corporate.views.billing_home'))
percent_off = 0
if customer is not None and customer.default_discount is not None:
percent_off = customer.default_discount
seat_count = get_latest_seat_count(user.realm)
signed_seat_count, salt = sign_string(str(seat_count))
context = {
'publishable_key': STRIPE_PUBLISHABLE_KEY,
'email': user.delivery_email,
'seat_count': seat_count,
'signed_seat_count': signed_seat_count,
'salt': salt,
'min_invoiced_licenses': max(seat_count, MIN_INVOICED_LICENSES),
'default_invoice_days_until_due': DEFAULT_INVOICE_DAYS_UNTIL_DUE,
'plan': "Zulip Standard",
'page_params': {
'seat_count': seat_count,
'annual_price': 8000,
'monthly_price': 800,
'percent_off': float(percent_off),
},
} # type: Dict[str, Any]
response = render(request, 'corporate/upgrade.html', context=context)
return response
def update_license_ledger_if_needed(realm: Realm, event_time: datetime) -> None:
customer = Customer.objects.filter(realm=realm).first()
if customer is None:
return
plan = get_current_plan(customer)
if plan is None:
return
if not plan.automanage_licenses:
return
update_license_ledger_for_automanaged_plan(realm, plan, event_time)
def billing_home(request: HttpRequest) -> HttpResponse:
user = request.user
customer = Customer.objects.filter(realm=user.realm).first()
if customer is None:
return HttpResponseRedirect(reverse('corporate.views.initial_upgrade'))
if not CustomerPlan.objects.filter(customer=customer).exists():
return HttpResponseRedirect(reverse('corporate.views.initial_upgrade'))
if not user.is_realm_admin and not user.is_billing_admin:
context = {'admin_access': False} # type: Dict[str, Any]
return render(request, 'corporate/billing.html', context=context)
context = {'admin_access': True}
plan_name = "Zulip Free"
licenses = 0
renewal_date = ''
renewal_cents = 0
payment_method = ''
charge_automatically = False
stripe_customer = stripe_get_customer(customer.stripe_customer_id)
plan = get_current_plan(customer)
if plan is not None:
plan_name = {
CustomerPlan.STANDARD: 'Zulip Standard',
CustomerPlan.PLUS: 'Zulip Plus',
}[plan.tier]
now = timezone_now()
last_ledger_entry = make_end_of_cycle_updates_if_needed(plan, now)
if last_ledger_entry is not None:
licenses = last_ledger_entry.licenses
licenses_used = get_seat_count(user.realm)
# Should do this in javascript, using the user's timezone
renewal_date = '{dt:%B} {dt.day}, {dt.year}'.format(
dt=start_of_next_billing_cycle(plan, now))
renewal_cents = renewal_amount(plan, now)
charge_automatically = plan.charge_automatically
if charge_automatically:
payment_method = payment_method_string(stripe_customer)
else:
payment_method = 'Billed by invoice'
context.update({
'plan_name': plan_name,
'licenses': licenses,
'licenses_used': licenses_used,
'renewal_date': renewal_date,
'renewal_amount': '{:,.2f}'.format(renewal_cents / 100.),
'payment_method': payment_method,
'charge_automatically': charge_automatically,
'publishable_key': STRIPE_PUBLISHABLE_KEY,
'stripe_email': stripe_customer.email,
})
return render(request, 'corporate/billing.html', context=context)
def process_initial_upgrade(user: UserProfile, licenses: int, automanage_licenses: bool,
billing_schedule: int, stripe_token: Optional[str]) -> None:
realm = user.realm
customer = update_or_create_stripe_customer(user, stripe_token=stripe_token)
if get_current_plan(customer) is not None:
# Unlikely race condition from two people upgrading (clicking "Make payment")
# at exactly the same time. Doesn't fully resolve the race condition, but having
# a check here reduces the likelihood.
billing_logger.warning(
"Customer {} trying to upgrade, but has an active subscription".format(customer))
raise BillingError('subscribing with existing subscription', BillingError.TRY_RELOADING)
billing_cycle_anchor, next_invoice_date, period_end, price_per_license = compute_plan_parameters(
automanage_licenses, billing_schedule, customer.default_discount)
# The main design constraint in this function is that if you upgrade with a credit card, and the
# charge fails, everything should be rolled back as if nothing had happened. This is because we
# expect frequent card failures on initial signup.
# Hence, if we're going to charge a card, do it at the beginning, even if we later may have to
# adjust the number of licenses.
charge_automatically = stripe_token is not None
if charge_automatically:
stripe_charge = stripe.Charge.create(
amount=price_per_license * licenses,
currency='usd',
customer=customer.stripe_customer_id,
description="Upgrade to Zulip Standard, ${} x {}".format(price_per_license/100, licenses),
receipt_email=user.email,
statement_descriptor='Zulip Standard')
# Not setting a period start and end, but maybe we should? Unclear what will make things
# most similar to the renewal case from an accounting perspective.
stripe.InvoiceItem.create(
amount=price_per_license * licenses * -1,
currency='usd',
customer=customer.stripe_customer_id,
description="Payment (Card ending in {})".format(cast(stripe.Card, stripe_charge.source).last4),
discountable=False)
# TODO: The correctness of this relies on user creation, deactivation, etc being
# in a transaction.atomic() with the relevant RealmAuditLog entries
with transaction.atomic():
# billed_licenses can greater than licenses if users are added between the start of
# this function (process_initial_upgrade) and now
billed_licenses = max(get_seat_count(realm), licenses)
plan_params = {
'automanage_licenses': automanage_licenses,
'charge_automatically': charge_automatically,
'price_per_license': price_per_license,
'discount': customer.default_discount,
'billing_cycle_anchor': billing_cycle_anchor,
'billing_schedule': billing_schedule,
'tier': CustomerPlan.STANDARD}
plan = CustomerPlan.objects.create(
customer=customer,
next_invoice_date=next_invoice_date,
**plan_params)
ledger_entry = LicenseLedger.objects.create(
plan=plan,
is_renewal=True,
event_time=billing_cycle_anchor,
licenses=billed_licenses,
licenses_at_next_renewal=billed_licenses)
plan.invoiced_through = ledger_entry
plan.save(update_fields=['invoiced_through'])
RealmAuditLog.objects.create(
realm=realm, acting_user=user, event_time=billing_cycle_anchor,
event_type=RealmAuditLog.CUSTOMER_PLAN_CREATED,
extra_data=ujson.dumps(plan_params))
stripe.InvoiceItem.create(
currency='usd',
customer=customer.stripe_customer_id,
description='Zulip Standard',
discountable=False,
period = {'start': datetime_to_timestamp(billing_cycle_anchor),
'end': datetime_to_timestamp(period_end)},
quantity=billed_licenses,
unit_amount=price_per_license)
if charge_automatically:
billing_method = 'charge_automatically'
days_until_due = None
else:
billing_method = 'send_invoice'
days_until_due = DEFAULT_INVOICE_DAYS_UNTIL_DUE
stripe_invoice = stripe.Invoice.create(
auto_advance=True,
billing=billing_method,
customer=customer.stripe_customer_id,
days_until_due=days_until_due,
statement_descriptor='Zulip Standard')
stripe.Invoice.finalize_invoice(stripe_invoice)
from zerver.lib.actions import do_change_plan_type
do_change_plan_type(realm, Realm.STANDARD)