Rails - Jun 2006 - text_field weirdness?

I''m storying amounts of money in my database as cents.

So I have custom accessors in my model, for example

  def actual_amount
    read_attribute("actual_amount").to_f / 100.0
  end

But when I use

<%= text_field ''item'', ''actual_amount''
%>

I get, for example, "3600" instead of "36.00".

If I ignore the helper, and just put

<input type="text" value="<%=@item.actual_amount%>"
size="5"
name="item[actual_amount]" id="item_actual_amount"/>

I get "36.00", as I would expect.

Can anybody tell me why?

--Al Evans

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

Al Evans wrote:
> I''m storying amounts of money in my database as cents.
> 
> So I have custom accessors in my model, for example
> 
>   def actual_amount
>     read_attribute("actual_amount").to_f / 100.0
>   end
> 
> But when I use
> 
> <%= text_field ''item'',
''actual_amount'' %>
> 
> I get, for example, "3600" instead of "36.00".
> 
> If I ignore the helper, and just put
> 
> <input type="text"
value="<%=@item.actual_amount%>" size="5"
> name="item[actual_amount]" id="item_actual_amount"/>
> 
> I get "36.00", as I would expect.
> 
> Can anybody tell me why?
AR form helpers use the attribute_before_type_cast method,
so you can either define an actual_amount_before_type_cast
method (that does not do what its name implies), or read
http://thread.gmane.org/gmane.comp.lang.ruby.rails/60977

-- 
We develop, watch us RoR, in numbers too big to ignore.

Mark Reginald James wrote:
> Al Evans wrote:
>> <%= text_field ''item'',
''actual_amount'' %>
>> Can anybody tell me why?
> AR form helpers use the attribute_before_type_cast method,
> so you can either define an actual_amount_before_type_cast
> method (that does not do what its name implies), or read
> http://thread.gmane.org/gmane.comp.lang.ruby.rails/60977
Thanks! That''s just the answer I needed. I knew I''d seen
something about
this before, but I couldn''t remember where, nor could I find it.

--Al Evans

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