Ruby on Rails Thursday, December 30, 2010

On Dec 30, 2010, at 3:17 PM, byron appelt wrote:

> I am trying to get reject_if to work using a method name instead of a
> Proc. However I cannot seem to get this to work. A simplified version
> of my model code is shown below. The problem is that I keep getting an
> "undefined method `call' for :not_wired?:Symbol" error. I am using
> Rails 2.3.4. Can anyone give me an idea of what might be going on
> here?

2.3.4 doesn't allow a symbol. Proc only. So either upgrade or switch over to using a Proc...

-philip


>
> class DeviceConfiguration < ActiveRecord::Base
>
> has_one :obd_configuration
> accepts_nested_attributes_for :obd_configuration, :reject_if
> => :not_obd?
>
> has_one :wired_configuration
> accepts_nested_attributes_for :wired_configuration, :reject_if
> => :not_wired?
>
> def not_obd?(attrs)
> !device_type.name.eql?("obd")
> end
>
> def not_wired?(attrs)
> !device_type.name.eql?("wired")
> end
>
> end


--
You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group.
To post to this group, send email to rubyonrails-talk@googlegroups.com.
To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe@googlegroups.com.
For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.

No comments:

Post a Comment