def _item_from_post_value(self, key, value, voucher=None):
if value.strip() == '' or '_' not in key:
return
if not key.startswith('item_') and not key.startswith(
'variation_') and not key.startswith('seat_'):
return
parts = key.split("_")
price = self.request.POST.get('price_' + "_".join(parts[1:]), "")
if key.startswith('seat_'):
try:
return {
'item': int(parts[1]),
'variation': int(parts[2]) if len(parts) > 2 else None,
'count': 1,
'seat': value,
'price': price,
'voucher': voucher,
'subevent': self.request.POST.get("subevent")
}
except ValueError:
raise CartError(_('Please enter numbers only.'))
try:
amount = int(value)
except ValueError:
raise CartError(_('Please enter numbers only.'))
if amount < 0:
raise CartError(_('Please enter positive numbers only.'))
elif amount == 0:
return
if key.startswith('item_'):
try:
return {
'item': int(parts[1]),
'variation': None,
'count': amount,
'price': price,
'voucher': voucher,
'subevent': self.request.POST.get("subevent")
}
except ValueError:
raise CartError(_('Please enter numbers only.'))
elif key.startswith('variation_'):
try:
return {
'item': int(parts[1]),
'variation': int(parts[2]),
'count': amount,
'price': price,
'voucher': voucher,
'subevent': self.request.POST.get("subevent")
}
except ValueError:
raise CartError(_('Please enter numbers only.'))
def validate_cart(sender, positions=None, **kwargs):
if not sender.has_subevents or not positions:
return
if not sender.settings.get('block_multisubevent_checkout', as_type=bool):
return
subevent = positions[0].subevent
for pos in positions[1:]:
if subevent != pos.subevent:
raise CartError(
_("Sorry, you can only choose one event per order. "
"Please create multiple orders to participate on multiple dates."
))
def create_cart(self, sc, expires):
with transaction.atomic():
with self.request.event.lock():
positions = []
quotas = Counter()
for form in self.formset.forms:
if '-' in form.cleaned_data['itemvar']:
itemid, varid = form.cleaned_data['itemvar'].split('-')
else:
itemid, varid = form.cleaned_data['itemvar'], None
item = Item.objects.get(pk=itemid,
event=self.request.event)
variation = ItemVariation.objects.get(
pk=varid, item=item) if varid else None
price = form.cleaned_data['price']
if not price:
price = (variation.default_price if variation
and variation.default_price is not None else
item.default_price)
for quota in item.quotas.all():
quotas[quota] += form.cleaned_data['count']
for i in range(form.cleaned_data['count']):
positions.append(
CartPosition(item=item,
variation=variation,
event=self.request.event,
cart_id=sc.cart_id,
expires=expires,
price=price))
for quota, diff in quotas.items():
avail = quota.availability()
if avail[0] != Quota.AVAILABILITY_OK or (
avail[1] is not None and avail[1] < diff):
raise CartError(self.error_messages['quota'].format(
name=quota.name))
sc.expires = expires
sc.event = self.request.event
sc.total = sum([p.price for p in positions])
sc.save()
CartPosition.objects.bulk_create(positions)