[Rails] Re: Would like include model association in to_xml

2009/7/31 Italo Matos <italomatos@xxxxxxxxx>:
> i have:
>
> class Library << ActiveRecord::Base
> ÂÂÂÂ has_many :books
> end
>
> class Book << ActiveRecord::Base
> ÂÂÂ belongs_to :library
> end
>
> in my controller i have:
>
> render :xml=> Library.find(:all).to_xml(:include=>books)
> but, i would like put a condition in the books ( e.: pages >= 100 )
>
> i would like to create a xml with all Libraries, but books with pages more
> than 100)
>

Just put the conditions in the Library.find call, ie ["books.pages >=
?", 100] or similar. Or better still provide a named scope in Library
to do this.

Colin

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