def claim_voucher(request, human_token=None):
"""
/vouchers/claim/
/vouchers/claim/<human_token>
"""
human_token = slugify(human_token or '')
voucher_name = ''
is_claimed = False
form = None
voucher = None
if request.method == 'GET' and human_token:
try:
voucher = Voucher.objects.get(human_token=human_token)
except Voucher.DoesNotExist:
raise Http404
form = get_voucher_form(voucher)()
if voucher.user and voucher.user != request.user:
raise Http404()
elif not voucher.user:
voucher.user = request.user
voucher.save()
voucher_name = get_voucher_form_name(voucher)
messages.success(request, "The voucher %s has been assigned to you, "
"fill in the form to claim your voucher!" % voucher_name)
is_claimed = voucher.is_claimed()
elif request.method == 'GET' and not human_token:
form = TokenForm()
elif request.method == 'POST':
token_form = TokenForm(request.POST)
if token_form.is_valid():
human_token = slugify(token_form.cleaned_data['token'])
new_url = reverse('claim_voucher', args=[human_token])
return redirect(new_url)
if 'submit' in request.POST and 'Send' in request.POST['submit'] and human_token:
human_token = slugify(human_token)
try:
voucher = Voucher.objects.get(human_token=human_token, user=request.user)
except Voucher.DoesNotExist:
raise Http404
voucher_klass_form = get_voucher_form(voucher)
voucher_name = get_voucher_form_name(voucher)
form = voucher_klass_form(request.POST)
is_claimed = voucher.is_claimed()
if form.is_valid() and not is_claimed:
try:
voucher.claim_voucher(request.user, human_token, form.cleaned_data)
messages.success(request, 'Voucher information has been sent!')
except ValidationError as error:
messages.error(request, '\n'.join(error.messages))
template = get_voucher_template(voucher)
name = template.name if hasattr(template, 'name') else template.template.name
return render_to_response(name,
RequestContext(request, {'voucher_name': voucher_name,
'token': human_token,
'is_claimed': is_claimed,
'form': form,
'voucher': voucher}))
def claim_voucher(self, user, human_token, voucher_info=None):
if self.is_claimed():
raise ValidationError("Voucher already claimed by %s" % self.user)
if not slugify(self.voucher) in VOUCHERS:
raise ValidationError("Invalid voucher choice.")
voucher_form = get_voucher_form(self)(voucher_info or {})
if not voucher_form.is_valid():
raise ValidationError("Invalid voucher info.")
if human_token != self.human_token:
raise ValidationError("Cannot claim voucher, invalid token.")
if not isinstance(user, User):
user = get_object_or_404(User, username=user)
if not self.user:
self.user = user
elif self.user and user != self.user:
raise ValidationError("Cannot claim voucher, the user assigned don't match")
self.voucher_info = voucher_form.cleaned_data
self.claimed_date = datetime.datetime.now()
self.activated = False
self.notified = False
self.save()
def get_voucher_info_template(self):
if self.voucher_info and self.voucher:
voucher_form = get_voucher_form(self)
for field in voucher_form.base_fields:
voucher_form.base_fields[field].widget.attrs['readonly'] = True
voucher_form = voucher_form(self.voucher_info)
if voucher_form.is_valid():
return voucher_form.as_table()
return ''
def get_voucher_form(self, voucher_info=None):
voucher_info = voucher_info or self.voucher_info or {}
if self.voucher and self.voucher in VOUCHERS:
form = get_voucher_form(self)(voucher_info)
form.is_valid()
return form
