Module: ActiveRecordUUIDAsPK::ClassMethods

Defined in:
lib/activerecord_uuid_as_pk.rb

Instance Method Summary collapse

Instance Method Details

#uuid_as_primary_keyObject



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# File 'lib/activerecord_uuid_as_pk.rb', line 17

def uuid_as_primary_key()
  self.primary_key = "uuid"

  define_method "formatted_id" do
    return self.id.present? ? UUIDTools::UUID.parse_raw(self.id).to_s : nil
  end

  define_method "hex_id" do
    return self.id.present? ? UUIDTools::UUID.parse_raw(self.id).hexdigest : nil
  end

  before_create do
    if self.id.nil?
      self.id = UUIDTools::UUID.timestamp_create.raw
    elsif self.id.is_a?(UUIDTools::UUID)
      self.id = self.id.raw
    elsif self.id.is_a?(String)
      if self.id.size != 16
        if self.id =~ /^([0-9a-f]{8})-([0-9a-f]{4})-([0-9a-f]{4})-([0-9a-f]{2})([0-9a-f]{2})-([0-9a-f]{12})$/
          self.id = UUIDTools::UUID.parse(self.id).raw
        else
          self.id = UUIDTools::UUID.timestamp_create.raw
        end
      end
    else
      self.id = UUIDTools::UUID.timestamp_create.raw
    end
  end

  (class << self; self end).class_eval do

    define_method "find_by_formatted_id" do |uuid|
      raw_uuid = UUIDTools::UUID.parse(uuid).raw
      return self.find_by_uuid(raw_uuid)
    end

  end
end