Rails - Jun 2009 - Re: date validation how to chech ArgumentError

On Mon, Jun 8, 2009 at 10:59 PM, Erwin
<yves_dufour-ee4meeAH724@public.gmane.org> wrote:
>
> I wrote in my user model :
>
>  def validate
>    errors.add(:born_on, "is invalid") if Proc.new { |user|
> DateTime.parse(user.born_on) }
>   end
>
Try out this

 def validate
    DateTime.parse(self.born_on)
    rescue
    errors.add(:born_on, "is invalid")
  end

> it''s wrong I know,  running in the console  raises an
ArgumentError
>
> Loading development environment (Rails 2.3.2)
> >> born_on = "99/99/9999"
> => "99/99/9999"
> >> DateTime.parse(born_on)
> ArgumentError: invalid date
>        from /usr/local/lib/ruby/1.8/date.rb:1573:in `new_by_frags''
>        from /usr/local/lib/ruby/1.8/date.rb:1618:in `parse''
>        from (irb):2
> >>
>
> how can I write my validation Proc ?
>
> thanks for your help
>
> erwin
> >
>
- Sandip R~
-- 
Ruby on Rails Developer
http://sandip.sosblog.com
http://funonrails.wordpress.com
www.joshsoftware.com

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thanks...    I was looking on one direction only....  better 2
eyes ;-))

On 9 juin, 07:54, Sandip Ransing
<san2...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> On Mon, Jun 8, 2009 at 10:59 PM, Erwin
<yves_duf...-ee4meeAH724@public.gmane.org> wrote:
>
> > I wrote in my user model :
>
> >  def validate
> >    errors.add(:born_on, "is invalid") if Proc.new { |user|
> > DateTime.parse(user.born_on) }
> >   end
>
> Try out this
>
>  def validate
>     DateTime.parse(self.born_on)
>     rescue
>     errors.add(:born_on, "is invalid")
>   end
>
>
>
> > it''s wrong I know,  running in the console  raises an
ArgumentError
>
> > Loading development environment (Rails 2.3.2)
> > >> born_on = "99/99/9999"
> > => "99/99/9999"
> > >> DateTime.parse(born_on)
> > ArgumentError: invalid date
> >        from /usr/local/lib/ruby/1.8/date.rb:1573:in
`new_by_frags''
> >        from /usr/local/lib/ruby/1.8/date.rb:1618:in `parse''
> >        from (irb):2
>
> > how can I write my validation Proc ?
>
> > thanks for your help
>
> > erwin
>
> - Sandip R~
> --
> Ruby on Rails
Developerhttp://sandip.sosblog.comhttp://funonrails.wordpress.comwww.joshsoftware.com