I use beaker sessions for something similar. Basically, i have sqlite based session (so its there if my server restarts), and I serialize the entire shopping cart object into the session.

Once a user logs in, the session object is converted to a 'real' shopping cart which, in my case, is bound to the user_id.

Of course, the annoying part of this is that this session -> cart conversion has to happen, but its not really that bad (i have a pretty simple use case).
DD.

Jonathan Vanasco wrote:
On Jan 25, 4:36 am, Wichert Akkerman<[email protected]>  wrote:
Beaker sessions.

either beaker sessions, or just use a beaker session id as the
shopping cart / user id

you could do a dbtable that has this:

table: cart
   id bigserial primary key not null,
   session_id char(32) unique ,
   useraccount_id bigint references useraccount(id),

allow null in session_id and useraccount_id , so that session carts
can be merged into useraccount carts after registration, and vice-
versa.



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