Class: Post::DesiredSlugPresenceAndUniquenessValidator

Inherits:
ActiveModel::EachValidator
  • Object
show all
Defined in:
app/models/post.rb

Overview

Validations ====================================================================================

Instance Method Summary collapse

Instance Method Details

#validate_each(object, attribute, value) ⇒ Object 



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# File 'app/models/post.rb', line 51

def validate_each(object, attribute, value)
  object.desired_slug = object.title unless object.desired_slug
  if object.blog && object.blog.posts.map{|p| p.slug unless p == object}.include?(object.desired_slug)
    object.errors[attribute] << (options[:message] || "must be unique.")
  end
end