From: shawn bright <nephish@...>
Date: 2006-11-25T11:22:54+09:00
Subject: Re: frustrated with rails has_many problem

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On 11/24/06, ao tianlong <aotianlong@gmail.com> wrote:
>
> you can do this:
>
> <%= link_to "site notes", :action => "list",
>                              :id => @site.id, # here will using @site.id
>                              :controller => 'site_notes' %>
>
> and in the site_notes_controller.rb i have this
>
> def list
>    @site = Site.find(params[:id])
>    @site_notes = @site.site_notes # if you use has_many association you
> can
> just write this
>    @site_note_pages, @site_notes = paginate :site_notes, :per_page => 10
> end
>
>
> 2006/11/25, shawn bright <nephish@gmail.com>:
> >
> > On 11/24/06, shawn bright <nephish@gmail.com> wrote:
> > >
> > > ok, how ?
> > >
> > > On 11/24/06, Chris Carter <cdcarter@gmail.com> wrote:
> > > >
> > > > You need to do that by hand, sorry.
> > > >
> > > > On 11/24/06, shawn bright <nephish@gmail.com> wrote:
> > > > >
> > > > > hello there all,
> > > > >
> > > > > i am writing a website in rails, i love it, but i am banging my
> head
> > > > here
> > > > > .
> > > > >
> > > > > ok, i have a table called sites ( means customer sites )
> > > > > each site has_many :site_notes
> > > > > so, site_note belongs_to :site
> > > > >
> > > > > i used a scaffold to generate the site notes files. site notes
> work
> > > > kinda
> > > > > like comments to a blog.
> > > > > a customer has sites and for each site, i want him to be able to
> > post
> > > > > notes
> > > > > about what what his machines are doing.
> > > > >
> > > > > so, my link to the sites controller looks like this.
> > > > > <%= link_to "site notes", :action => "list",
> > > > >                               :id => @site,
> > > > >                               :controller => 'site_notes' %>
> > > > >
> > > > > and in the site_notes_controller.rb i have this
> > > > > def list
> > > > >     @site = Site.find(params[:id])
> > > > >     @site_notes = SiteNote.find(:all, :conditions => ["site_id", @
> > > > site.id
> > > > > ])
> > > > >     @site_note_pages, @site_notes = paginate :site_notes,
> :per_page
> > =>
> > > > 10
> > > > >   end
> > > > >
> > > > > everything seems to work, it lists the right notes, i can edit and
> > > > delete
> > > > > them etc..
> > > > > but when i try to add a new one, it tells me that it cannot find a
> > > Site
> > > > > without an id.
> > > > > so, i guess i need to know how to put something either in the
> model
> > or
> > > > > controller, (or view, whatever works)
> > > > > that will automatically add site_id = @site.id when i create a new
> > > note
> > > > >
> > > > > thanks
> > > > > sk
> > > > >
> > > > >
> > > >
> > > >
> > > > --
> > > > Chris Carter
> > > > concentrationstudios.com
> > > > brynmawrcs.com
> > > >
> > > >
> >
> >
> > so, in my situation, would i need to keep passing the Site.id (or, for
> the
> > site_notes table, site_id) as a variable from action to action in the
> > controller?
> >
> > thanks
> > sk
> >
> >




thanks, that helped a lot, i am able to move around the controller passing
> @site to each next action, and putting it in the form as a hidden field.
> Thanks for the tip there


sk

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