zulip/corporate/lib/support.py

70 lines
2.3 KiB
Python

from dataclasses import dataclass
from decimal import Decimal
from typing import Optional
from urllib.parse import urlencode, urljoin, urlunsplit
from django.conf import settings
from django.urls import reverse
from django.utils.timezone import now as timezone_now
from corporate.lib.stripe import BillingSession
from corporate.models import Customer, CustomerPlan, get_current_plan_by_customer
from zerver.models import Realm, get_realm
from zilencer.lib.remote_counts import MissingDataError
@dataclass
class PlanData:
customer: Optional["Customer"] = None
current_plan: Optional["CustomerPlan"] = None
licenses: Optional[int] = None
licenses_used: Optional[int] = None
is_legacy_plan: bool = False
warning: Optional[str] = None
def get_realm_support_url(realm: Realm) -> str:
support_realm_uri = get_realm(settings.STAFF_SUBDOMAIN).uri
support_url = urljoin(
support_realm_uri,
urlunsplit(("", "", reverse("support"), urlencode({"q": realm.string_id}), "")),
)
return support_url
def get_customer_discount_for_support_view(
customer: Optional[Customer] = None,
) -> Optional[Decimal]:
if customer is None:
return None
return customer.default_discount
def get_current_plan_data_for_support_view(billing_session: BillingSession) -> PlanData:
customer = billing_session.get_customer()
plan = None
if customer is not None:
plan = get_current_plan_by_customer(customer)
plan_data = PlanData(
customer=customer,
current_plan=plan,
)
if plan is not None:
new_plan, last_ledger_entry = billing_session.make_end_of_cycle_updates_if_needed(
plan, timezone_now()
)
if last_ledger_entry is not None:
if new_plan is not None:
plan_data.current_plan = new_plan # nocoverage
plan_data.licenses = last_ledger_entry.licenses
try:
plan_data.licenses_used = billing_session.current_count_for_billed_licenses()
except MissingDataError: # nocoverage
plan_data.warning = "Recent data missing: No information for used licenses"
assert plan_data.current_plan is not None # for mypy
plan_data.is_legacy_plan = (
plan_data.current_plan.tier == CustomerPlan.TIER_SELF_HOSTED_LEGACY
)
return plan_data