forked from uncloud/uncloud
23 lines
618 B
Python
23 lines
618 B
Python
from django.utils import timezone
|
|
from django.db import transaction
|
|
|
|
from .models import *
|
|
|
|
def get_payments_for_user(user):
|
|
payments = [ payment.amount for payment in Payment.objects.filter(owner=user) ]
|
|
|
|
return sum(payments)
|
|
|
|
def get_spendings_for_user(user):
|
|
orders = Order.objects.filter(owner=user)
|
|
|
|
amount = 0
|
|
for order in orders:
|
|
amount += order.one_time_price
|
|
amount += order.recurring_price * order.count_used(when=timezone.now())
|
|
|
|
return amount
|
|
|
|
@transaction.atomic
|
|
def get_balance_for_user(user):
|
|
return get_payments_for_user(user) - get_spendings_for_user(user)
|