def post(self, request):
error = None
message = None
if 'cart_id' in request.session:
cart_id = int(request.session['cart_id'])
product_id = int(request.POST['product_id'])
cart = Cart.get_cart(cart_id)
try:
quantity = int(request.POST['quantity'])
if quantity > 0:
cart.update_item(product_id, quantity)
message = 'Your shopping cart has been updated.'
else:
raise ValueError()
except ValueError:
error = 'Product quantity is not correct, please enter one or more products in numbers.'
else:
cart = Cart()
return super(CheckoutCartView, self).get(request,
cart=cart,
error=error,
message=message)
def get(self, request):
if 'cart_id' in request.session:
cart_id = int(request.session['cart_id'])
cart = Cart.get_cart(cart_id)
else:
cart = Cart()
return super(CheckoutCartView, self).get(request, cart=cart)
def remove_all_from_cart(request):
"""
Remove all products from cart
"""
if request.method == 'POST':
if 'cart_id' in request.session:
cart_id = int(request.session['cart_id'])
cart = Cart.get_cart(cart_id)
cart.remove_all_items()
else:
cart = Cart()
if request.is_ajax():
default_currency = get_default_currency(request)
return render(request, 'sales/cart_basket.html', {'cart': cart, 'default_currency': default_currency})
return HttpResponseRedirect(reverse('sales_checkout_cart'))
def cart_basket(context):
"""
Returns cart summary
"""
request = context['request']
default_currency = context['default_currency']
if 'cart_id' in request.session:
cart = Cart.get_cart(int(request.session['cart_id']))
else:
cart = Cart()
return {
'cart': cart,
'default_currency': default_currency,
'MEDIA_URL': settings.MEDIA_URL
}
def remove_from_cart(request):
"""
Remove product from cart
"""
product_id = int(request.POST['product_id'])
# Checking if user session has cart or session may already flushed
# Cart an empty cart for user
if 'cart_id' in request.session:
cart_id = int(request.session['cart_id'])
cart = Cart.get_cart(cart_id)
cart.remove_item(product_id)
else:
cart = Cart()
if request.is_ajax():
default_currency = get_default_currency(request)
return render(request, 'sales/cart_basket.html', {'cart': cart, 'default_currency': default_currency})
return HttpResponseRedirect(reverse('sales_checkout_cart'))
