ActiveRecord - replace model validation error with warning

Question

I want to be able to replace a field error with a warning when saving/updating a model in rails. Basically I want to just write a wrapper around the validation methods that\'ll

Answer 1

I don't know if it's ready for Rails 3, but this plugin does what you are looking for:

http://softvalidations.rubyforge.org/

Edited to add:

To update the basic functionality of this with ActiveModel I came up with the following:

#/config/initializer/soft_validate.rb:
module ActiveRecord
  class Base
    def warnings
      @warnings ||= ActiveModel::Errors.new(self)
    end
    def complete?
      warnings.clear
      valid?
      warnings.empty?
    end
  end
end

#/lib/soft_validate_validator.rb
class SoftValidateValidator < ActiveModel::EachValidator
  def validate(record)
    record.warnings.add_on_blank(attributes, options)
  end
end

It adds a new Errors like object called warnings and a helper method complete?, and you can add it to a model like so:

class FollowupReport < ActiveRecord::Base
  validates :suggestions, :soft_validate => true
end