zulip/corporate/models.py

77 lines
3.2 KiB
Python

import datetime
from decimal import Decimal
from typing import Optional
from django.db import models
from django.db.models import CASCADE
from zerver.models import Realm
class Customer(models.Model):
realm = models.OneToOneField(Realm, on_delete=CASCADE) # type: Realm
stripe_customer_id = models.CharField(max_length=255, null=True, unique=True) # type: str
# A percentage, like 85.
default_discount = models.DecimalField(decimal_places=4, max_digits=7, null=True) # type: Optional[Decimal]
def __str__(self) -> str:
return "<Customer %s %s>" % (self.realm, self.stripe_customer_id)
def get_customer_by_realm(realm: Realm) -> Optional[Customer]:
return Customer.objects.filter(realm=realm).first()
class CustomerPlan(models.Model):
customer = models.ForeignKey(Customer, on_delete=CASCADE) # type: Customer
automanage_licenses = models.BooleanField(default=False) # type: bool
charge_automatically = models.BooleanField(default=False) # type: bool
# Both of these are in cents. Exactly one of price_per_license or
# fixed_price should be set. fixed_price is only for manual deals, and
# can't be set via the self-serve billing system.
price_per_license = models.IntegerField(null=True) # type: Optional[int]
fixed_price = models.IntegerField(null=True) # type: Optional[int]
# Discount that was applied. For display purposes only.
discount = models.DecimalField(decimal_places=4, max_digits=6, null=True) # type: Optional[Decimal]
billing_cycle_anchor = models.DateTimeField() # type: datetime.datetime
ANNUAL = 1
MONTHLY = 2
billing_schedule = models.SmallIntegerField() # type: int
next_invoice_date = models.DateTimeField(db_index=True, null=True) # type: Optional[datetime.datetime]
invoiced_through = models.ForeignKey(
'LicenseLedger', null=True, on_delete=CASCADE, related_name='+') # type: Optional[LicenseLedger]
DONE = 1
STARTED = 2
invoicing_status = models.SmallIntegerField(default=DONE) # type: int
STANDARD = 1
PLUS = 2 # not available through self-serve signup
ENTERPRISE = 10
tier = models.SmallIntegerField() # type: int
ACTIVE = 1
DOWNGRADE_AT_END_OF_CYCLE = 2
# "Live" plans should have a value < LIVE_STATUS_THRESHOLD.
# There should be at most one live plan per customer.
LIVE_STATUS_THRESHOLD = 10
ENDED = 11
NEVER_STARTED = 12
status = models.SmallIntegerField(default=ACTIVE) # type: int
# TODO maybe override setattr to ensure billing_cycle_anchor, etc are immutable
def get_current_plan(customer: Customer) -> Optional[CustomerPlan]:
return CustomerPlan.objects.filter(
customer=customer, status__lt=CustomerPlan.LIVE_STATUS_THRESHOLD).first()
class LicenseLedger(models.Model):
plan = models.ForeignKey(CustomerPlan, on_delete=CASCADE) # type: CustomerPlan
# Also True for the initial upgrade.
is_renewal = models.BooleanField(default=False) # type: bool
event_time = models.DateTimeField() # type: datetime.datetime
licenses = models.IntegerField() # type: int
# None means the plan does not automatically renew.
# This cannot be None if plan.automanage_licenses.
licenses_at_next_renewal = models.IntegerField(null=True) # type: Optional[int]