You can write method to validate nested result attributes. Def valid_nested_results?(results_attributes)
results_attributes.each do|res_attr| return false if(res_attr['attr1'].blank? and res_attr['attr2'].blank? ....) end return true end And use this method in reject_if instead of attributes['results_attributes'].blank? Or you can also define the appropriate :reject_if for nested attribute definition for results in treatment model. Does it help? -----Original Message----- From: Mlle <[email protected]> Sent: Friday, 7 May 2010 7:35 PM To: Ruby on Rails: Talk <[email protected]> Subject: [Rails] Reject a nested object if all parameters of its own nested object are blank Hello, I have a model called Sample that has many Treatments. A Treatment can have many Results. I want to reject the creation of a Treatment if all its fields are blank and if all the fields of each of its nested Results are blank. I have this in the Sample model: accepts_nested_attributes_for :treatments, :allow_destroy => true, :reject_if => proc { |attributes| attributes['treatmenttype'].blank? && attributes['author'].blank? && attributes['results_attributes'].blank? } This part: attributes['results_attributes'].blank? only makes it reject the Treatment if there are no Results, but how can I write the conditions so that it will reject the creation of a Treatment if all the attirubtes of each Result are blank? Right now it creates the Treatment if the Result exists, regardless of whether all its fields are blank. -- 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. -- 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.
