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