Why not just use validates_uniqueness_of, with a custom :message ?
custom-err-msg is handy for custom messages:
http://github.com/gumayunov/custom-err-msg
I know that doesn't answer your URL issue, but it would seem a simpler/
tidier solution even if you still wanted to include the link. I prefer
to just leave navigation out of notices.
On Jan 29, 9:55 am, Rob Aldred <rald...@gmail.com> wrote:
> Hi,
> I want to be able to have a more detailed friendly message for users
> when they register with an email address thats already taken.
>
> At the moment I have written a small validation method to produce what
> I want, personally I dont like it because I've had to include modules
> that shouldn't really be there (ActionController::UrlWriter and
> ActionView::Helpers)
>
> I was considering extending the error_message_for method to check for
> error messages on fields against a list stored in a constant then
> replacing them in the errors array, but I dont really like that
> either.
>
> Does anyone know of a plugin or any suggestions on how I could make
> this cleaner?
> Here's what I have so far.
>
> <pre>
> class User < ActiveRecord::Base
> include ActionController::UrlWriter
> include ActionView::Helpers
>
> validate :unique_email_address
> ...
>
> def unique_email_address
> if self.class.find_by_email(email)
> errors.add(:email, "The email address #{email} has already
> been used. Please use a different email address or #{link_to('Sign
> in',login_path)}.")
> end
> end
> ...
> end
>
> </pre>
>
> Thanks
> --Rob
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