Re: [Rails] help for ideas of instance method or controller

On 11 November 2012 06:31, Soichi Ishida <lists@ruby-forum.com> wrote:
> I have a general question about Rails controller or instance method.
>
>
> Say, I have two models,
>
> Give
> Take
>
> Each of these has an identical set of columns like,
>
> Give : weight:integer, day:date
> Take: weight:integer, day:date
>
> When @give = Give.new is created, I want to search if there is a
> counterpart, Take, having the same values, weight and day. So I need to
> define a search method somewhere.
>
> I believe it will look like
>
> @give = Give.new
> ...
> if @give.search_counter #<- returns true if the counterpart exists
> ...
> else
> end
>
> This must work for Take as well
>
> @take = Take.new
> ...
> if @take.search_counter #<- returns true if the counterpart exists
> ...
> else
> end
>
>
> Questions:
> Is it possible? I am not sure if the method works without arguments...
> Where do I have to define the method? application_controller.rb maybe?

It looks to me as if you should only have one table for both give and
take. Is there a reason why this is not possible.

Colin

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