zulip/corporate/lib/support.py

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 corporate.models import get_customer_by_realm
from zerver.models import Realm, get_realm


def get_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_discount_for_realm(realm: Realm) -> Optional[Decimal]:
    customer = get_customer_by_realm(realm)
    if customer is not None:
        return customer.default_discount
    return None