On Feb 27, 2009, at 1:20 PM, Tony Tony wrote:
> Hi all,
>
> I'm ashamed to ask this but I can't figure it out. Lately my brain
> gets
> more burned out by the minute. Basically I'm trying to have a shirt
> have
> up to 2 colors. I currently have this working. When I edit a shirt, I
> can select the primary and secondary color of a shirt. But when I want
> to see the colors in the show page I can't manage to see the name only
> the id.
>
>
> For example:
>
> <b>Primary Color:</b>
> <%=h @shirt.color_id %><br />
<%=h @shirt.primary_color_name %>
>
>
> <b>Secondary Color:</b>
> <%=h @shirt.color2_id %><br />
<%=h @shirt.secondary_color_name %>
>
>
> Only displays the id (obviously) but what I want to see is the NAME OF
> THE COLOR. I just can't think of a way to do this for some reason.
> Maybe
> there is a better way to do this and you guys can shed a light?
>
>
>
> Below is the database structure and model relationship code...
>
> APPROVED_COLORS (table name/structure in db)
> -------
> :id (int)
> :name (string)
>
> SHIRTS (table name/structure in db)
> -------
> :color_id (int)
> :color2_id (int)
>
>
>
> APPROVED_COLOR.RB
> --------
> belongs_to :shirt
>
>
> SHIRT.RB
> ----------
> has_many :approved_colors
has_one :primary_color, :class_name => 'ApprovedColor', :foreign_key
=> :color_id
has_one :secondary_color, :class_name => 'ApprovedColor', :foreign_key
=> :color2_id
>
> Any help on this is greatly appreciated.
>
> Thanks,
> Tony
> --
class Shirt
def primary_color_name
self.primary_color ? self.primary_color.name : '(none)'
end
def secondary_color_name
self.secondary_color ? self.secondary_color.name : '(none)'
end
end
If this doesn't quite work as-is, please take it as a strong hint and
an exercise in using the documentation of has_one
-Rob
Rob Biedenharn http://agileconsultingllc.com
[email protected]
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