report.rb

class AcademicRecordReport < Report
  cattr_acessor :current_user_id
  
  
  protected
  
  def current_user
    User.find(current_user_id)
  end
  
  def validation
    if current_user.has_permission...
  end
end

report_controller.rb

class ReportController < Report::BaseController
  around_filter :set_current_user_id
  
  protected
  
  def set_current_user_id
    AcademicRecordReport.current_user_id = current_user.id
  end
end