OK it worked !
The indent for last three line was wrong on book and it was fixed on the
downloaded code.
On Friday, March 23, 2012 6:18:36 PM UTC-5, Omi Chiba wrote:
>
> Alan,
>
> Thanks. Good idea. I will try the support files.
>
>
> Sent from my Verizon Wireless BlackBerry
>
> -----Original Message-----
> From: Alan Etkin <spame...@gmail.com>
> Sender: web2py@googlegroups.com
> Date: Fri, 23 Mar 2012 15:22:25
> To: web2py-users<web2py@googlegroups.com <web2py@googlegroups.com>>
> Reply-To: web2py@googlegroups.com
> Subject: [web2py] Re: Cookbook Chapter 2 - Reddit clone Ajax problem
>
> I tested the example app with the book support files and it worked
> (with Firefox 10 and web2py trunk). Maybe there is a bug fixed in the
> app code that was not updated in the book's text.
>
> On 23 mar, 18:11, Omi Chiba <ochib...@gmail.com> wrote:
> > I was following cookbook and having a problem for the ajax part. I can
> > click plus or minus to change the value for the first time, but it
> doesn't
> > update the value next time it's clicked. Also, I don't get any flash
> > message like 'you voted already' or 'vote recorded'.
> >
> > What am I missing ?
> >
> > Controller
> > -----------------------------------------------
> > def news_comments():
> > news = db.news(request.args(0)) or redirect(URL('categories'))
> > if auth.user:
> > db.comment.news.default = news.id
> > db.comment.posted_on.default = request.now
> > db.comment.posted_by.default = auth.user.id
> > form = crud.create(db.comment)
> > comments =
> > db(db.comment.news==news.id).select(orderby=db.comment.posted_on)
> > return locals()
> >
> > @auth.requires_login()
> > def vote():
> > if not request.env.request_method=='POST': raise HTTP(400)
> > news_id, mode = request.args(0), request.args(1)
> > news = db.news(id=news_id)
> > vote = db.vote(posted_by=auth.user.id, news=news_id)
> > votes = news.votes
> > value = (mode=='plus') and +1 or -1
> > if vote and value*vote.value==1:
> > message = 'you voted already'
> > else:
> > if vote:
> > votes += value - vote.value
> > vote.update_record(value=value)
> > else:
> > votes += value
> > db.vote.insert(value=value, posted_by=auth.user.id,
> > posted_on=request.now, news=news.id)
> > news.update_record(votes=votes)
> > message ='vote recorded'
> > return "jQuery('#votes').html('%s');jQuery('.flash').\
> > html('%s').slideDown();" % (votes, message)
> >
> > View - news_comment.html
> > ---------------------------------
> > {{extend 'layout.html'}}
> > <h5>{{=A(news.title, _href=news.link)}}</h5>
> > {{if auth.user:}}
> > <span id="votes">{{=news.votes}}</span>
> > <button id="plus" onclick="ajax('{{=URL('vote', args=(news.id,
> 'plus'))}}',
> > [], ':eval')">plus</button>
> > <button id="minus" onclick="ajax('{{=URL('vote', args=(news.id,
> > 'minus'))}}', [], ':eval')">minus</button>
> > {{=form}}
> > {{pass}}
> > <table>
> > {{for comment in comments:}}
> > <tr>
> > <td>{{=comment.posted_on}}</td>
> > <td>{{=comment.posted_by.first_name}}: </td>
> > <td>{{=MARKMIN(comment.body)}}</td>
> > </tr>
> > {{pass}}
> > </table>
