From: shawn bright <nephish@...>
Date: 2006-11-25T08:36:12+09:00
Subject: frustrated with rails has_many problem

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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

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