Module: NavigationLight::RelationUuid

Defined in:
app/models/navigation_light/relation_uuid.rb

Class Method Summary collapse

Class Method Details

.included(target) ⇒ Object 



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# File 'app/models/navigation_light/relation_uuid.rb', line 4

def self.included(target)
  target.class_eval do 

    has_one :uuid_, as: :uuidable, :dependent => :destroy

    before_save :generate_columns
    before_save :validate_columns

    def uuid
      unless self.uuid_
        generate_uuid_
      end 

      unless self.uuid_.uuid
        self.uuid_.send(:generate_uuid)
      end 

      self.uuid_.uuid
    end

    private

      def generate_columns
        generate_uuid_
      end 

      def validate_columns
        validate_uuid_
      end 

      def generate_uuid_
        self.uuid_ = Uuid.new unless self.uuid_
      end 

      def validate_uuid_
        # 判断是否为空
        unless self.uuid_.present?
          self.errors[:uuid_] << 'uuid_尚未生成'
        end
        
        unless self.uuid.present?
          self.errors[:uuid] << 'uuid尚未生成'
        end
      end


  end  
end