class SubmissionContent < ActiveRecord::Base
  belongs_to :step_submission
  belongs_to :submission, polymorphic: true
  accepts_nested_attributes_for :submission, allow_destroy:true
  
  def build_submission(klass)
    if klass = 'SubmissionText'
      submission = SubmissionText.new
      self.submission_type = klass
    end
    self.submission = submission  
  end
end