I built one myself and it was quite easy, yust to give you an
impression of the LoC used:
[EMAIL PROTECTED]:/usr/local/web/diamond $ wc -l shop/*
shop/templates/shop/*
0 shop/__init__.py
105 shop/models.py
14 shop/urls.py
153 shop/views.py
56 shop/templates/shop/cart.html
36 shop/templates/shop/category.html
100 shop/templates/shop/checkout.html
13 shop/templates/shop/emptycart.html
21 shop/templates/shop/nocookie.html
32 shop/templates/shop/product.html
67 shop/templates/shop/shop_homepage.html
43 shop/templates/shop/thanks.html
It was relatively simple since the order processing is done in an other
(RUby on Rails) application and all the product data was already in
place from other sources. So I basically had to provide the cart and
nothing else.
Some of the more interesting view functions are:
def testcookie(request):
request.session.set_test_cookie()
return HttpResponseRedirect("../")
def addtocart(request, artnr):
if not request.session.test_cookie_worked():
return render_to_response('shop/nocookies.html', \
{}, context_instance=template.RequestContext(request))
else:
request.session.delete_test_cookie()
cart = request.session.get('cart', None) or Cart()
cart.add_item(artnr)
request.session['cart'] = cart
return HttpResponseRedirect("/shop/cart")
def cart(request):
cart = request.session.get('cart', None)
if not cart:
return render_to_response('shop/emptycart.html',
{}, context_instance=template.RequestContext(request))
else:
return render_to_response('shop/cart.html',
{'cart': cart},
context_instance=template.RequestContext(request))
def updatecart(request):
cart = request.session.get('cart', None)
if not cart:
return render_to_response('shop/emptycart.html',
{}, context_instance=template.RequestContext(request))
for k in request.POST:
if k.startswith('menge_'):
artnr = k.split('_')[1]
menge = request.POST[k]
menge = re.sub(r'[^0-9]', '', menge)
if menge == '':
menge = 0
try:
menge = int(menge)
except:
menge = 1
cart.update_item(artnr, menge)
request.session['cart'] = cart
return HttpResponseRedirect("../")
def checkout(request):
cart = request.session.get('cart', None)
manipulator = RecipientAddress.AddManipulator()
if not cart:
return render_to_response('shop/emptycart.html',
{}, context_instance=template.RequestContext(request))
if request.POST:
# If data was POSTed, try to create a new RecipientAddress.
new_data = request.POST.copy()
# Check for errors.
errors = manipulator.get_validation_errors(new_data)
if not errors:
# No errors. This means we can save the data!
manipulator.do_html2python(new_data)
new_address = manipulator.save(new_data)
request.session['oldcart'] = cart
del(request.session['cart']) # remove cart from session
request.COOKIES['hudora_kundennummer'] = /
"WC%6d" % (new_address.id)
consignment = Consignment(created_via='webshop',\
recipient=new_address)
created_by_ip = request.META.get('REMOTE_ADDR', '')
created_by_ua = request.META.get('HTTP_USER_AGENT', '')
consignment.save()
for cartitem in cart.items():
item = ConsignmentItem(consignment=consignment,
quantity=cartitem['menge'],
artnr=cartitem['artnr'],
unit_price=cartitem['einzelpreis'])
item.save()
# add shipping and handling
ConsignmentItem.objects.create(\
consignment=consignment, \
quantity=1, artnr='P0400', unit_price=4.00)
def thanks(request):
return render_to_response('shop/thanks.html',
{'cart': request.session.get('oldcart', None),
'order': request.session.get('lastorder', None),},
context_instance=template.RequestContext(request))
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