Yah, I had some issues with that as well... Try adding adding name="id" to the input element of the form. Apparently, the ajax function is doing a get by name, not id.
On Feb 14, 6:21 am, Notnasiul <[email protected]> wrote: > I'm trying to reproduce the example in the 'Voting and Rating' Ajax > Recipe from the official book (http://www.web2py.com/book/default/ > chapter/10#Voting-and-Rating), but I simply cannot manage to get it > working. After inserting two images in the database, I try to vote > them and nothing happens. However, the error log contains the > following message: > > File "/home/notnasiul/web2py/web2py/applications/voting/controllers/ > default.py", line 10, in vote > new_votes = item.votes + 1 > AttributeError: 'NoneType' object has no attribute 'votes' > > So it seems that either the query ( item = db.item[request.vars.id] ) > is not being completed or there's nothing in request.vars.id. Just in > case, here's the whole code from the example: > > # ------------------------ Model > > db = DAL('sqlite://images.db') > db.define_table('item', > Field('image', 'upload'), > Field('votes', 'integer', default=0)) > > # ---------------------- Controller > > def list_items(): > items = db().select(db.item.ALL, orderby=db.item.votes) > return dict(items=items) > > def download(): > return response.download(request, db) > > def vote(): > item = db.item[request.vars.id] > new_votes = item.votes + 1 > item.update_record(votes=new_votes) > return str(new_votes) > > # ----------------------- View > > {{extend 'layout.html'}} > > <form><input type="hidden" id="id" value="" /></form> > {{for item in items:}} > <p> > <img src="{{=URL('download', args=item.image)}}" > width="200px" /> > <br /> > Votes=<span id="item{{=item.id}}">{{=item.votes}}</span> > [<span onclick="jQuery('#id').val('{{=item.id}}'); > ajax('vote', ['id'], 'item{{=item.id}}');">vote up</span>] > </p> > {{pass}} > > I know there's a plugin for a nice rating system with stars, but I > just want this simple method instead! : ) What is going wrong? Why > doesn't the example work?
