Rails - May 2007 - Validates that one date is before another one

How could I use validation in Ror to validate that one date is before
the other date ?

Thanks.


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hleinar-CnXOeebvsI53K8eIWKoEHQ@public.gmane.org wrote:
> How could I use validation in Ror to validate that one date is before
> the other date ?
> 
> Thanks.
In your model do:

def validate
errors.add(:some_attribute, "some message") if date_one > date_two
end

Depending on the logic you need to do nil checks as well. I am pretty 
sure you can''t compare a nil object with a date object.

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

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Thanks for the answer.

On 29 mai, 10:05, Ben Johnson
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
> hlei...-CnXOeebvsI53K8eIWKoEHQ@public.gmane.org wrote:
> > How could I use validation in Ror to validate that one date is before
> > the other date ?
>
> > Thanks.
>
> In your model do:
>
> def validate
> errors.add(:some_attribute, "some message") if date_one >
date_two
> end
>
> Depending on the logic you need to do nil checks as well. I am pretty
> sure you can''t compare a nil object with a date object.
>
> --
> Posted viahttp://www.ruby-forum.com/.

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You can put custom validations in the "validate" method on your
model.  You can use any ruby code there to do validations.

Look on the web or the source of existing validations for examples on
how to format the error objects.

Michael

On May 29, 12:41 am, "hlei...-CnXOeebvsI53K8eIWKoEHQ@public.gmane.org"
<hlei...-CnXOeebvsI53K8eIWKoEHQ@public.gmane.org>
wrote:
> How could I use validation in Ror to validate that one date is before
> the other date ?
>
> Thanks.

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Hi, im trying to unsubscribe me to the list, for one reason (i think the
server is catching for some spam rule) i cant unsubscribe me from the
website.

thnx for the help.



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From: MichaelLatta <lattam-ee4meeAH724@public.gmane.org>
Reply-To: <rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
Date: Tue, 29 May 2007 07:36:11 -0700
To: "Ruby on Rails: Talk"
<rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
Subject: [Rails] Re: Validates that one date is before another one


You can put custom validations in the "validate" method on your
model.  You can use any ruby code there to do validations.

Look on the web or the source of existing validations for examples on
how to format the error objects.

Michael

On May 29, 12:41 am, "hlei...-CnXOeebvsI53K8eIWKoEHQ@public.gmane.org"
<hlei...-CnXOeebvsI53K8eIWKoEHQ@public.gmane.org>
wrote:
> How could I use validation in Ror to validate that one date is before
> the other date ?
>
> Thanks.




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