# File app/controllers/proposals_controller.rb, line 108
  def author_add_confirm
    confirmed = false
    begin
      raise NotPost unless request.post?
      raise AlreadyAnAuthor if @proposal.people.include? @person
      confirmed = true
    rescue AlreadyAnAuthor
      flash[:notice] << _('The requested author (%s) was already registered ' +
                          'as an author for this proposal') % @person.name
    rescue NotPost
    end

    redirect_to(:action => :authors, :id => @proposal) unless confirmed
  end