Hi Jeff, Benji > Betreff: Re: [Zope3-Users] Ahh, counters... Best practice? > > Jeff Shell wrote: > > We're working on something where we need to allow site visitors to > > rate items. It's the basic star-rating thing. We want to > keep a count > > of the number of votes along with the current value. > > At work we've been contemplating an approach for use in some > similar situations we want to address. > > In broad strokes: keep the updated value in memory, write the > value to the database "periodically" (for whatever value of > "periodically" is appropriate for the data). > > This should work well when the value changes often and > loosing the most recent updates to the value isn't catastrophic.
There is a simple rating system from lovely systems in the zope repos: ssh://svnzope/repos/main/lovely.rating/trunk It's easy to use together with the great JQuery star rating plugin here: http://dev.jquery.com/~john/plugins/rating/ Regards Roger Ineichen > Benji York > Senior Software Engineer > Zope Corporation > _______________________________________________ > Zope3-users mailing list > Zope3firstname.lastname@example.org > http://mail.zope.org/mailman/listinfo/zope3-users > _______________________________________________ Zope3-users mailing list Zope3email@example.com http://mail.zope.org/mailman/listinfo/zope3-users