Rails - Dec 2008 - Strange behavior when override a default attribute, maybe a bug?

Hello, I have a strange behavior and don''t know why.

If I override attributes from AcitveRecord object like below:

  def end_date=(date)
    date = date.to_date unless date.blank?
    write_attribute(:end_date,date)
  end

  def end_date
    date = read_attribute(:end_date)
    I18n.localize(date) if date.present?
  end

Everything will work fine but when I try call text_field in a form_for
block I get the database value and ignore end_date getter.

<%= f.text_field :end_date, :class=>"date",
:size=>"10" %>

The text_field will be filled with 2008-12-10 (mysql date) instead of
10/12/2008 ( I18n localized)

Anyone know why we get this behavior?
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Some idea? I still don''t understand why text_field load values from
database instead of model.rb

On Dec 17, 7:14 pm, Daniel Lopes
<danielvlo...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hello, I have a strange behavior and don''t know why.
>
> If I override attributes from AcitveRecord object like below:
>
>   def end_date=(date)
>     date = date.to_date unless date.blank?
>     write_attribute(:end_date,date)
>   end
>
>   def end_date
>     date = read_attribute(:end_date)
>     I18n.localize(date) if date.present?
>   end
>
> Everything will work fine but when I try call text_field in a form_for
> block I get the database value and ignore end_date getter.
>
> <%= f.text_field :end_date, :class=>"date",
:size=>"10" %>
>
> The text_field will be filled with 2008-12-10 (mysql date) instead of
> 10/12/2008 ( I18n localized)
>
> Anyone know why we get this behavior?
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Sorry for duplicated threads, it was a mistake, I opened new one here
http://groups.google.com/group/rubyonrails-talk/browse_thread/thread/7e82b30f719ad1ac
...

On Dec 17, 11:14 pm, Daniel Lopes
<danielvlo...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Some idea? I still don''t understand why text_field load values
from
> database instead of model.rb
>
> On Dec 17, 7:14 pm, Daniel Lopes
<danielvlo...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> > Hello, I have a strange behavior and don''t know why.
>
> > If I override attributes from AcitveRecord object like below:
>
> >   def end_date=(date)
> >     date = date.to_date unless date.blank?
> >     write_attribute(:end_date,date)
> >   end
>
> >   def end_date
> >     date = read_attribute(:end_date)
> >     I18n.localize(date) if date.present?
> >   end
>
> > Everything will work fine but when I try call text_field in a form_for
> > block I get the database value and ignore end_date getter.
>
> > <%= f.text_field :end_date, :class=>"date",
:size=>"10" %>
>
> > The text_field will be filled with 2008-12-10 (mysql date) instead of
> > 10/12/2008 ( I18n localized)
>
> > Anyone know why we get this behavior?
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