更新profile的題目

profile_controller.rb

def update
   
    @profile = @user.profile
    
    ids = @profile.profile_option.map{|t| t.option_id}
    
    if ids.length > 0
      ProfileOption.where("profile_id =? AND option_id NOT IN (#{ids.join(',')})", @profile.id).delete_all
    else
      ProfileOption.where("profile_id = ?", @profile.id).delete_all
    end
    
    @profile.profile_option.each_pair do |id , data|
      ic = ProfileOption.where(:profile_id => @profile.id, :id => id).first
      if ic
        ic.update_attributes(:option_id => data[:option_id])
      end
    end

    params[:profile][:profile_option][][:option_id].each_index do |index|
      ProfileOption.create(:profile_id => @profile.id, :option_id => params[:profile][:profile_option][][:option_id][index])
    end
    
    redirect_to  dashboard_user_path(current_user)

  end