32 lines
807 B
Python
32 lines
807 B
Python
from django.utils import timezone
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from django.db import transaction
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from .models import *
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def get_payments_for_user(user):
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payments = [ payment.amount for payment in Payment.objects.filter(owner=user) ]
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return sum(payments)
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def get_spendings_for_user(user):
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bills = Bill.objects.filter(owner=user)
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amount = 0
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for bill in bills:
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amount += bill.sum
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return amount
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@transaction.atomic
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def get_balance_for_user(user):
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return get_payments_for_user(user) - get_spendings_for_user(user)
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@transaction.atomic
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def has_enough_balance(user, due_amount):
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balance = get_balance_for_user(user)
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if balance >= due_amount:
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return True
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return False
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def get_billing_address_for_user(user):
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return BillingAddress.objects.filter(owner=user, active=True).first()
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