def view( self, request, shop_name ):
Location( request.session, 'shop' ).set( get_shop_location( shop_name, 'cart', request.GET ) )
req = request.REQUEST
cart = Cart( request.session )
if request.method == 'POST':
cart.remove_item( req[ 'product_id' ] )
page = int( req[ 'page' ] ) if 'page' in req else 1
delivery_cost = get_shop_by_name( request.session, shop_name ).delivery_cost
page_products = ItemPage.get_by_items_list( items_list = cart.get(), page = page )
return super( CartView, self ).view( request, shop_name,
{ 'page_products': page_products,
'is_cart_empty': len( page_products[ 'object_list' ] ) == 0,
'page': int( page ),
'num_products_on_page': NUM_ITEMS_ON_PAGE,
'sum': cart.get_sum_price() + delivery_cost
} )
