thanks to all who answered. Regards,
Michael ----- Original Message ----- From: "Robert Parker" <[EMAIL PROTECTED]> To: "'Struts Users Mailing List'" <[EMAIL PROTECTED]> Sent: Monday, August 26, 2002 2:55 PM Subject: RE: Question regarding sessions > Members Equity Email System > > > -----Original Message----- > From: Michael Delamere [mailto:[EMAIL PROTECTED]] > Sent: Monday, 26 August 2002 10:15PM > To: Struts Users Mailing List > Subject: Re: Question regarding sessions > > > [snip] > > >The same goes with the shopping basket. The question was, saving product > >objects with prices, descriptions etc in a vector and retrieving them again > >out of the session when the user wants to have a look at what he has added > >into the basket. Of course, again here, if there is a threat that details > >or availablity may change, then there is no point in saving whole product > >objects in the session. This is probably also very memory consuming?! > > I have previously stored just the product key (id), name, price and quantity > in the shopping basket (session), ie, just the minimum. You will always need > the key. The name is useful so that you can always show a sumary of what is > in the basket. You need to store the price to avoid the situation of the > prices changing during a session (dont want to give customers a nasty > suprise). Quantity - always need this. > > If the user requests a detiled shopping basket display, wear the cost of > doing a database lookup for the descriptions etc... > > Stock control. You have two choices, check for stock at product selection > time, ie into the basket, or at checkout. If you decrement the stock count > at product selection time, you can use a session listener to check if there > are any items in the basket when the session expires. That way you can > 're-stock' the shelves where you have abandoned shopping baskets. If you > decrement the stock level at checkout time, you run the risk of running out > - its as if somebody stole items out of your users shopping baskets as they > were waiting at the checkout.. > > regards > > Rob > > ---------------------------------------------------------------------------- ---- > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
