Rails - Jul 2006 - validates_acceptance_of weirdness

On my registration form I have a checkbox for a waiver. In the model I 
have the statement:

validates_acceptance_of :waiver, :on => :create, :message => "must be
accepted"

In the view:

<%= check_box_tag("waiver") %>
<%= error_message_on "user", "waiver", "Waiver
"%>

For some reason validate is accepting everything when the checkbox is 
NOT checked. When it is not checked the value is nil -- when checked it 
is  "1".

What am I missing here? There are no other validation statements with 
:waiver in them. I have put manual code in the "Create" method of the 
"user" controller to verify that valid() is accepting blank checkbox 
that has value nil.

Why do the easy things get so complex? LOL

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Mike Kogan wrote:
> On my registration form I have a checkbox for a waiver. In the model I 
> have the statement:
> 
> validates_acceptance_of :waiver, :on => :create, :message =>
"must be
> accepted"
> 
> In the view:
> 
> <%= check_box_tag("waiver") %>
> <%= error_message_on "user", "waiver", "Waiver
"%>
> 
> For some reason validate is accepting everything when the checkbox is 
> NOT checked. When it is not checked the value is nil -- when checked it 
> is  "1".
> 
> What am I missing here? There are no other validation statements with 
> :waiver in them. I have put manual code in the "Create" method of
the
> "user" controller to verify that valid() is accepting blank
checkbox
> that has value nil.
> 
> Why do the easy things get so complex? LOL
you need "check_box(''user'',
''waiver'')"

You actually have to assign the value of that checkbox to the model for 
the validation.  This way when you do a "@some_model = 
Model.new(params[:user])" the :waiver attribute gets assigned to it.

Most likely that''s your problem.


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