Adrien Nom wrote:
> Hi,
>
> I would like to return a combination of named scopes in a named
> scope :
>
> For example, I have a named scope filter and I want to add a named
> scope eval_filters like
>
> Product.eval_filters(['x','y','z']) is equivalent to
> Product.filter('x').filter('y').filter('z')
>From
http://edgerails.info/articles/what-s-new-in-edge-rails/2010/02/23/the-skinny-on-scopes-formerly-named-scope/,
you could do something like
scope :eval_filters, lambda { |fltr| fltr.inject(scoped) {
|combined_scope, flt| combined_scope.where("id = ?", flt) }}
Thanks
Raja
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