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Best-effort backwards compatibility of isolated cart IDs

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Raphael Michel
2017-10-07 20:37:12 +02:00
parent 3e686211e1
commit bd306e9400
1 changed files with 16 additions and 1 deletions
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17
src/pretix/presale/views/cart.py
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@@ -142,14 +142,29 @@ def get_or_create_cart_id(request):
if current_id and current_id in request.session.get('carts', {}):
return current_id
else:
cart_data = {}
while True:
new_id = get_random_string(length=32)
if not CartPosition.objects.filter(cart_id=new_id).exists():
break
# Migrate legacy data
legacy_pos = CartPosition.objects.filter(cart_id=request.session.session_key, event=request.event)
if legacy_pos.exists():
legacy_pos.update(cart_id=new_id)
if 'invoice_address_{}'.format(request.event.pk) in request.session:
cart_data['invoice_address'] = request.session['invoice_address_{}'.format(request.event.pk)]
if 'email' in request.session:
cart_data['email'] = request.session['email']
if 'contact_form_data' in request.session:
cart_data['contact_form_data'] = request.session['contact_form_data']
if 'payment' in request.session:
cart_data['payment'] = request.session['payment']
if 'carts' not in request.session:
request.session['carts'] = {}
request.session['carts'][new_id] = {}
request.session['carts'][new_id] = cart_data
request.session['current_cart_event_{}'.format(request.event.pk)] = new_id
return new_id