Ruby on Rails Tuesday, May 17, 2011

I think you need .any?

On May 17, 3:50 pm, Stefan Gelenchev <li...@ruby-forum.com> wrote:
> First I want to thank the community for their help and here is my
> question :)
>
> I have a simple add to fdavourites functionality. A user can add a post
> to their favouirites. Thing is I want to display the "add to favourites"
> button if the post is not in the user's favs and something else if it
> is, so I need to check for this in the view.
>
> favourites table has post_id and user_id
>
> I tried something like
>
> <% if current_user.favourites.exists? @post, :post_id %>
>   <p>already faved</p>
> <% else %>
>   blabla not faved :)
> <% end %>
>
> I'm pretty sure the error is in the  "@post, :post_id" part of my code
> but I couldn't find anything about the .exists? syntax in google.
>
> Thanks again
>
> --
> Posted viahttp://www.ruby-forum.com/.

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