Beispiel #1
0
def lookup_discount_code(request):
    amount = 0
    order_obj = Order(request)
    total = order_obj.total
    order_obj.apply_discount(request.POST.get("discount_code"))
    new_total = order_obj.total
    amount = float(total) - float(new_total)
    ret = {"amount": str(amount), "total": str(new_total)}
    if order_obj.order.discount:
        ret.update({"description": order_obj.order.discount.description})
    return HttpResponse(json.dumps(ret), mimetype="application/json")
Beispiel #2
0
class CheckoutView(FormView):
    """
    Checkout for a single item (no cart)
    """

    template_name = "checkout/form.html"
    template_name_ajax = "checkout/form.html"
    empty_redirect = "home"
    form_class = PaymentForm
    form_class_signup = SignupForm
    processor = payment_module.Processor()
    method = "direct"
    success_url = "checkout_confirm"
    messages = {
        "customer_info_error": {
            "level": messages.ERROR,
            "text": _("The payment information could not be validated")
        }
    }

    def get(self, *args, **kwargs):
        self.order_obj = Order(self.request)
        if not self.order_obj.order.items.count():
            return redirect(self.empty_redirect)
        if (not self.request.user.is_authenticated()
                and not CHECKOUT["ANONYMOUS_CHECKOUT"]):
            self.form_class = self.form_class_signup
        return super(CheckoutView, self).get(*args, **kwargs)

    def post(self, *args, **kwargs):
        self.order_obj = Order(self.request)
        if (not self.request.user.is_authenticated()
                and not CHECKOUT["ANONYMOUS_CHECKOUT"]):
            self.form_class = self.form_class_signup
        incoming = self.retrieve_item()

        if self.request.POST.get("discount_code"):
            self.order_obj.apply_discount(
                self.request.POST.get("discount_code"))
            if self.order_obj.total == 0:
                self.order_obj.update_status(OrderModel.PENDING_PAYMENT)
                # goal: remove payment-related requirements if
                # no payment is necessary
                for field in self.form_class.base_fields.keys():
                    if field in PaymentForm.base_fields.keys():
                        self.form_class.base_fields[field].required = False

        return self.post_handler(incoming, *args, **kwargs)

    def post_handler(self, incoming, *args, **kwargs):
        if incoming:
            form = self.get_form_class()(initial=self.get_initial())
            return self.render_to_response(self.get_context_data(form=form))
        elif not self.order_obj.order.items.count():
            return redirect(self.empty_redirect)

        return super(CheckoutView, self).post(*args, **kwargs)

    def retrieve_item(self):
        cf = CustomItemForm(self.request.POST)
        if cf.is_valid():
            # clear any preexisting items
            self.order_obj.clear()
            # add item
            self.order_obj.add(
                cf.cleaned_data.get("item_amount"),
                description=cf.cleaned_data.get("item_description"))
            self.order_obj.update_totals()
            return True
        return False

    def get_initial(self):
        initial = super(CheckoutView, self).get_initial()
        if self.request.user.is_authenticated():
            initial.update({
                "billing_first_name": self.request.user.first_name,
                "billing_last_name": self.request.user.last_name
            })
        initial["amount"] = self.order_obj.total
        if self.order_obj.get_transactions().count():
            billing_data = self.order_obj.get_transactions().latest()
            for field_name in self.form_class().fields:
                if hasattr(billing_data, field_name):
                    initial[field_name] = getattr(billing_data, field_name)
        return initial

    def get_context_data(self, **kwargs):
        ctx = kwargs
        if self.order_obj.order.discount:
            ctx["discount"] = self.order_obj.order.discount_amount
        ctx.update({
            "checkout_method": self.method,
            "order": self.order_obj.order,
        })
        return ctx

    def form_valid(self, form):
        if self.request.POST.get("referral_source"):
            referral = self.request.POST["referral_source"]
            if referral == "Other" and self.request.POST.get(
                    "referral_source_other"):
                referral = self.request.POST["referral_source_other"]
            self.order_obj.add_referral(referral)

        self.order_obj.order.email = form.cleaned_data["email"]
        self.order_obj.order.save()

        if (not self.request.user.is_authenticated()
                and not CHECKOUT["ANONYMOUS_CHECKOUT"]):
            user = self.create_user(form)
            user = auth.authenticate(username=user.username,
                                     password=form.cleaned_data["password"])
            auth.login(self.request, user)
            self.order_obj.order.user = user
            self.order_obj.order.save()
            self.after_signup(user, form)

        form_data = form.cleaned_data

        if self.request.user.is_authenticated():
            form_data = self.update_from_user(form_data, self.request.user)

        # if payment is needed
        if self.order_obj.order.total > 0:
            success = self.save_customer_info(form_data)
        else:  # no payment needed, e.g. full discount
            success = True
        if success:
            signals.form_complete.send(sender=None,
                                       order=self.order_obj.order,
                                       form=form)
            return redirect(self.get_success_url())
        else:
            messages.add_message(self.request,
                                 self.messages["customer_info_error"]["level"],
                                 self.messages["customer_info_error"]["text"])
            return self.form_invalid(form)

    def update_from_user(self, form_data, user):
        form_data.update({
            "email": user.email,
            "first_name": user.first_name,
            "last_name": user.last_name,
        })
        return form_data

    def form_invalid(self, form):

        signals.checkout_attempt.send(sender=self.form_class,
                                      order=self.order_obj.order,
                                      result=form.is_valid())
        return super(CheckoutView, self).form_invalid(form)

    def create_user(self, form, commit=True, **kwargs):
        user = User(**kwargs)
        username = form.cleaned_data.get("username")
        if username is None:
            username = self.generate_username(form)
        user.username = username
        user.email = form.cleaned_data["email"].strip()
        password = form.cleaned_data.get("password")
        if password:
            user.set_password(password)
        else:
            user.set_unusable_password()
        if commit:
            user.save()
        return user

    def after_signup(self, user, form):
        signals.user_signed_up.send(sender=SignupForm, user=user, form=form)

    def save_customer_info(self, payment_data):
        if self.request.user.is_authenticated():
            payment_data.update({
                "email": self.request.user.email,
                "first_name": self.request.user.first_name,
                "last_name": self.request.user.last_name,
            })

        success, reference_id, error, results = self.processor.create_customer(
            payment_data, customer_id=self.order_obj.order.customer_id)

        signals.post_create_customer.send(sender=None,
                                          user=self.request.user,
                                          success=success,
                                          reference_id=reference_id,
                                          error=error,
                                          results=results)

        if success:
            self.order_obj.order.customer_id = reference_id
            self.order_obj.order.save()
            card_details = self.processor.get_customer_card(reference_id)

            OrderTransaction.objects.get_or_create(
                order=self.order_obj.order,
                amount=self.order_obj.order.total,
                payment_method=OrderTransaction.CREDIT,
                last_four=self.processor.get_card_last4(card_details),
                reference_number=reference_id,
                billing_first_name=payment_data.get("billing_first_name") or\
                    payment_data.get("first_name") or\
                    self.request.user.first_name,
                billing_last_name=payment_data.get("billing_last_name") or\
                    payment_data.get("last_name") or \
                    self.request.user.last_name,
                billing_address1=payment_data.get("billing_address1", ""),
                billing_address2=payment_data.get("billing_address2", ""),
                billing_city=payment_data.get("billing_city", ""),
                billing_region=payment_data.get("billing_region", ""),
                billing_postal_code=payment_data.get("billing_postal_code", ""),
                billing_country=payment_data.get("billing_country", ""),
            )

            self.order_obj.update_totals()
            self.order_obj.update_status(OrderModel.PENDING_PAYMENT)
            return True
        return False