From: Eero Saynatkari <eero.saynatkari@...>
Date: 2006-09-02T08:30:20+09:00
Subject: Re: How can I do this without eval...

James Mccarthy wrote:
> def load_default_attributes(model_name, options = {})
>     fixture = options[:fixture] || :default
>     attributes = temp_attributes = model = {}
>     instance_eval <<-FIN
>       temp_attributes = #{model_name.to_s.pluralize}("#{fixture}")

send model_name.to_s.pluralize, fixture

>       model = #{model_name.to_s.capitalize}

self.class.const_get model_name.to_s.capitalize

>     FIN
>     .
>     .
>     .
>   end
> 
> I know there must be a neater way to get hold of a class (or in this
> case a Rails model) and with the temp_attributes to get hold of a
> fixture, can anybody shed some metaprogramming light?

The above should work in principle; however, take a
look at ri Object#send and Module#const_get in case
you run into any problems.

(Disclaimer: respondent is not proficient with Rails.)

> Thanks.


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