On Jun 5, 1:56 pm, Sandip Ransing <[email protected]> wrote:
> comments inline
>
> On Fri, Jun 5, 2009 at 1:57 PM, Hirak <[email protected]> wrote:
>
> > Hi All,
> > I am a newbie in rails. I am creating a new rails
> > application. Here I have 4 models.
>
> > 1. User
> > 2. Item
> > 3. Application
> > 4. Tag
>
> ok
>
>
>
> > The concept is
>
> > - Item belongs to User
> > - Item has many Tags
>
> It means you have tags table will have item_id
>
> - Item has many applications through tags
>
> for above you must have some relations between application and tags table.
>
> - Tags are hierarchical (i.e a tree structure, a child tag can be
>
> > related to a parent tag.)
>
> tag belongs_to parent_tag :class_name => "Tag", :foreign_key => "parent_id"
>
> You must have parent_id field in tags table.
> If parent_tag is nil then you can identify tag as child_tag
>
>
>
> > Please help me, how to handle these Associations.
>
> > Thanks
> > Hirak
>
> hope this will help !
>
> -Sandip R~
>
>
>
> --
> Ruby on Rails
> Developerhttp://sandip.sosblog.comhttp://funonrails.wordpress.comwww.joshsoftware.com
Thanks Sandip you got it almost right, but what I meant is
Items table will have tag_id
How that association needs to be handled ?
Thanks again for your reply.
-- Hirak
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