Rails - May 2008 - model Validation for Polymorphic association

Hi All,

   Anybody did the model validation for polymorphic association table??

class Request < ActiveRecord::Base
  belongs_to :user
  belongs_to :user_request,:polymorphic=>true
  belongs_to :service
end

class WaterBill < ActiveRecord::Base
  has_one :request,:as=>:user_request,:dependent=>:destroy

  validates_presence_of(:name_of_legalperson, :message => "Should not be
blank")

end


   Here validation in WaterBill model is not working..

my controller code...

def save
    @requests=Request.new()
    @requests.user_request=WaterBill.new(params[:water_bill])
    if @requests.save
      flash[:notice] = ''Water Bill Was Successfully Created.''
      redirect_to :action => ''newwaterbill''
    else
      render :action => ''newwaterbill''
    end
  end


  Any thing wrong in this code .. please clarify my doubts...
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On 5/22/08, Selvaraj Subbaian
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
>    Anybody did the model validation for polymorphic association table??
>
>  class Request < ActiveRecord::Base
>   belongs_to :user
>   belongs_to :user_request,:polymorphic=>true
>   belongs_to :service
>  end
>
>  class WaterBill < ActiveRecord::Base
>   has_one :request,:as=>:user_request,:dependent=>:destroy
>
>   validates_presence_of(:name_of_legalperson, :message => "Should
not be
>  blank")
>
>  end
>
>    Here validation in WaterBill model is not working..
>
>  my controller code...
>
>  def save
>     @requests=Request.new()
>     @requests.user_request=WaterBill.new(params[:water_bill])
>     if @requests.save
>       flash[:notice] = ''Water Bill Was Successfully
Created.''
>       redirect_to :action => ''newwaterbill''
>     else
>       render :action => ''newwaterbill''
>     end
>   end
>
>   Any thing wrong in this code .. please clarify my doubts...

If you use the debugger you can easily see what the model''s error hash
contains.

script/server --debugger

Then add ''debug'' near where the code is causing a problem.

Try changing your code so you can actually get at the errors:

@request.save
if @request.new_record?
  debug
end

Also, I would choose a model name other than Request, seems too easily
confused request.post and friends.


-- 
Greg Donald
http://destiney.com/

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