Rails - Jan 2006 - change error messages for Validation helpers?

Is it possible to change error messages for Validation helpers? I am 
writing an app against a existing database (so no control over column 
names), but when there is validation error (e.g. with 
validate_presence_of) I would like to customize the field name. For 
example for telephone whose field name is PhoneNumber I would like to 
chnage it to "Telephone Number cannot be empty" rather than
"Phonenumber
cannot be empty". Is that possible?

--Jeet

-- 
Posted via http://www.ruby-forum.com/.

validates_presence_of  :fld_name, :message => "Telephone Number cannot
be
empty"
should do it.

-bakki

On 1/16/06, Navjeet Chabbewal <navjeetc@gmail.com>
wrote:
>
> Is it possible to change error messages for Validation helpers? I am
> writing an app against a existing database (so no control over column
> names), but when there is validation error (e.g. with
> validate_presence_of) I would like to customize the field name. For
> example for telephone whose field name is PhoneNumber I would like to
> chnage it to "Telephone Number cannot be empty" rather than
"Phonenumber
> cannot be empty". Is that possible?
>
> --Jeet
>
> --
> Posted via http://www.ruby-forum.com/.
> _______________________________________________
> Rails mailing list
> Rails@lists.rubyonrails.org
> http://lists.rubyonrails.org/mailman/listinfo/rails
>
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On 1/16/06, Navjeet Chabbewal <navjeetc@gmail.com>
wrote:
> Is it possible to change error messages for Validation helpers? I am
> writing an app against a existing database (so no control over column
> names), but when there is validation error (e.g. with
> validate_presence_of) I would like to customize the field name. For
> example for telephone whose field name is PhoneNumber I would like to
> chnage it to "Telephone Number cannot be empty" rather than
"Phonenumber
> cannot be empty". Is that possible?
>
If you have a limited number of them to override, you can do something
like this, either in your environment.rb, or something that gets
loaded automatically:

module Inflector
  alias_method :humanize_base, :humanize
  def self.humanize(word)
    return "Telephone Number" if word ==
''phonenumber''
    humanize_base(word)
  end
end

You could load up your custom ''humanized'' attributes from a
YAML file,
if you wanted, and check against that list inside humanize.

If you have something more specific in mind, you''re better off making
your own ''error_messages_for'' helper.  Check out the source
for it in
the API documentation. It''s quite simple, and is really only there as
a scaffold.