On Fri, May 2, 2008 at 4:42 AM, danlunde <[EMAIL PROTECTED]> wrote:
>
> It is often the case when I iterate over an array of objects in a
> has_many_through association that I want access to both the :has_many
> objects and the :through objects. There is generally something in
> that join object that is useful to get at, but enumerating with the
> each method, I don't have easy access to that join object.
>
> Example:
>
> class User < ActiveRecord::Base
> has_many :memberships
> has_many :groups, :through => :memberships
> end
>
> # ugly way
> user.groups.each do |group|
> membership = user.memberships.detect { |memberships|
> memberships.group_id == group.id}
> # or
> membership = user.memberships.find(:first, :conditions =>
> ["memberships.group_id = ?", group.id]}
> puts "#{group.name}, #{membership.status}"
> end
>
> # a better way
> user.groups.each_with_join do |group, membership|
> puts "#{group.name}, #{membership.status}"
> end
This should really just be:
user.memberships.each do |membership|
puts membership.status, membership.group.name
end
So I can't the need for this feature.
>
> I created a ticket with a patch (tested) in lighthouse:
>
> http://rails.lighthouseapp.com/projects/8994/tickets/82-iterate-over-has_many-array-with-the-join-through-model
>
> Let me know what you think!
>
> Daniel
> >
>
--
Cheers
Koz
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