Synnefo

#

# Business Logic for all Credit related activity

#

# Copyright 2010 Greek Research and Technology Network

#

from datetime import datetime

from db.models import Debit

from django.db import transaction

@transaction.commit_on_success

def debit_account(user , amount, vm, description):

    """Charges the user with the specified amount of credits for a vm (resource)"""

    date_now = datetime.datetime.now()

    user.credit = user.credit - amount

    user.save()

    # then write the debit entry

    debit = Debit()

    debit.user = user

    debit.vm = vm

    debit.when = date_now

    debit.description = description

    debit.save()

@transaction.commit_on_success

def credit_account(self, amount, creditor, description):

    """No clue :)"""

    return