exactly like Emre told u. just keep in mind when u have to clear the errors if that depends on the state
On Fri, Mar 26, 2010 at 8:09 PM, Emre <[email protected]> wrote: > The validations method you're trying to call is not a class method, > it's a validation helper so you can't call object.validation_method > (in this case Step.validates_numericality_of(...)). > > The best way would be to declare customs validations if you want to > call them outside your class and then handle exception (begin/rescue > etc.), you should also use object.errors.add(attribute, 'custom error > message'). > > Cheers, > Emré. > > On Mar 26, 7:43 am, Hugo Mag <[email protected]> wrote: > > Hi Mahmoud, > > > > Thanks for the info but the problem here is that my model does not have > > any validations declared because they depend on the workflow that the > > user sets. > > > > For instance, the user can set that in the Step 1 of the Workflow he > > wants to validate that a given attribute is greater than 300. > > To do this I need to call directly the validates_numericality_of class > > method: > > > > Step.validates_numericality_of(:attribute, :greater_than => 300) > > > > Best regards, > > Hugo > > > > > > > > > > > > Mahmoud Said wrote: > > > I believe you are not thinking in the proper use of validations. > > > > > What you want to do is: > > > > > s = Step.new > > > ... > > > > > s.valid? > > > s.errors.on(*attribute_to_be_validated*) #returns nil for a valid > > > value. or > > > the error message in case the validation was not met > > > > > On Fri, Mar 26, 2010 at 2:36 AM, Hugo Mag <[email protected]> > wrote: > > > > >> def Wrk < ActiveRecord::Base > > >> Posted viahttp://www.ruby-forum.com/. > > > > > -- > > > Mahmoud Said > > > Software Engineer - eSpace > > > blog.modsaid.com > > > > -- > > Posted viahttp://www.ruby-forum.com/. > > -- > 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 [email protected]. > To unsubscribe from this group, send email to > [email protected]<rubyonrails-talk%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > > -- Mahmoud Said Software Engineer - eSpace blog.modsaid.com -- 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 [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
