def update(request):
"""Update cart quantities."""
if request.method != 'POST':
return HttpResponseNotAllowed('GET not allowed; POST is required.')
else:
cart = Cart(request)
for item in cart:
index = 'quantity-%s' % unicode(item.formindex)
if index in request.POST:
try:
quantity = int(request.POST[index])
cart.update(item.product, quantity, item['options'])
except ValueError:
pass
notification = (messages.SUCCESS, 'Cart updated. <a href="%s">View cart</a>' % (reverse(checkout)))
if request.is_ajax():
response = HttpResponse()
data = {
'cart': cart.as_dict(),
'notification': notification,
}
response.write(simplejson.dumps(data))
return response
else:
messages.add_message(request, *notification)
return HttpResponseRedirect(request.POST.get('redirect_to', reverse(checkout)))
def checkout(request):
"""Display a list of cart items, quantities, total etc, with the option
to change quantities, specify shipping options etc."""
if cart_settings.SKIP_CHECKOUT:
return HttpResponseRedirect(reverse('cart.views.delivery'))
else:
cart = Cart(request)
shipping_options_form_cls = shipping_options_form_factory(cart)
checkout_form_cls = checkout_form_factory()
if request.method == 'POST':
checkout_form = checkout_form_cls(request.POST)
shipping_options_form = shipping_options_form_cls(request.POST, prefix='shipping')
valid = checkout_form.is_valid() and shipping_options_form.is_valid()
if valid:
checkout_form.update(cart)
shipping_options_form.update(cart)
for item in cart:
index = 'quantity-%s' % unicode(item.formindex)
try:
if str(request.POST.get(index, None)).lower() == 'remove':
quantity = 0
else:
quantity = int(request.POST.get(index, item['quantity']) or 0)
cart.update(item.product, quantity, item['options'])
except ValueError:
pass
if request.POST.get('next', False):
redirect_url = reverse(delivery)
else:
redirect_url = request.path_info
if request.is_ajax():
html = render_to_string(
'cart/checkout_ajax.html',
RequestContext(request, {
'cart': cart,
'steps': steps(request),
'current_step': 1,
'checkout_form': checkout_form,
'shipping_options_form': shipping_options_form,
})
)
return HttpResponse(simplejson.dumps({
'success': valid,
'redirect_url': redirect_url if valid else None,
'html': html,
}), mimetype='application/json')
elif valid:
return HttpResponseRedirect(redirect_url)
else:
checkout_form = checkout_form_cls(initial=cart.detail_data)
shipping_options_form = shipping_options_form_cls(prefix='shipping', initial=cart.shipping_options)
return render_to_response(
'cart/checkout.html',
RequestContext(request, {
'cart': cart,
'steps': steps(request),
'current_step': 1,
'checkout_form': checkout_form,
'shipping_options_form': shipping_options_form,
})
)
