@property
    def stripe_customer(self):
        stripe.api_key = settings.STRIPE_SECRET
        if not self.stripe_customer_id:
            if not self.free_trial_ends_date:
                if datetime.datetime.now() > self.signup_date + datetime.timedelta(days=30):
                    # They signed up pre-stripe
                    self.free_trial_ends_date = datetime.datetime.now() + datetime.timedelta(minutes=1)
                else:
                    self.free_trial_ends_date = self.signup_date + datetime.timedelta(days=30)

            # Create a stripe customer
            c = stripe.Customer.create(
                description=self.name,
                email=self.primary_useraccount.email,
                plan=MONTHLY_PLAN_NAME,
                trial_end=self.free_trial_ends_date,
                coupon=self.feedback_coupon_code
            )
            self.stripe_customer_id = c.id
            self.save()
            return c
        else:
            return stripe.Customer.retrieve(self.stripe_customer_id)

    @property
    def stripe_subscription(self):
        return self.stripe_customer.subscription

    def update_account_status(self):
        sub = self.stripe_subscription
        # Possible statuses: canceled, past_due, unpaid, active, trialing
        if sub.status == "trialing":
            self.status = STATUS_FREE_TRIAL
        elif sub.status == "active":
            self.status = STATUS_ACTIVE
        elif sub.status == "past_due":
            self.status = STATUS_ACTIVE_BILLING_ISSUE
        elif sub.status == "unpaid":
            self.status = STATUS_DEACTIVATED
        elif sub.status == "cancelled":
            # should never happen
            self.status = STATUS_DEACTIVATED
        else:
            raise Exception, "Unknown subscription status"

        if hasattr(sub,"current_period_end"):
            # For when Stripe upgrades their API
            if type(sub.current_period_end) == type(1):
                self.next_billing_date = datetime.datetime.fromtimestamp(sub.current_period_end)
            else:
                self.next_billing_date = sub.current_period_end

        self.save()
        return self

    @property
    def has_card_on_file(self):
        return self.last_four != None