Module: VWO::Common::UUIDUtils

Includes:
CONSTANTS, Enums
Included in:
ImpressionUtils
Defined in:
lib/vwo/common/uuid_utils.rb

Constant Summary collapse

VWO_NAMESPACE = 
uuid_v5(URL_NAMESPACE, 'https://vwo.com')

Constants included from CONSTANTS

CONSTANTS::API_VERSION, CONSTANTS::HTTPS_PROTOCOL, CONSTANTS::HTTP_PROTOCOL, CONSTANTS::LIBRARY_PATH, CONSTANTS::MAX_TRAFFIC_PERCENT, CONSTANTS::MAX_TRAFFIC_VALUE, CONSTANTS::PLATFORM, CONSTANTS::SDK_VERSION, CONSTANTS::SEED_VALUE, CONSTANTS::STATUS_RUNNING, CONSTANTS::URL_NAMESPACE

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.parse(obj) ⇒ Object 



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# File 'lib/vwo/common/uuid_utils.rb', line 15

def self.parse(obj)
  str = obj.to_s.sub(/\Aurn:uuid:/, '')
  str.gsub!(/[^0-9A-Fa-f]/, '')
  [str[0..31]].pack 'H*'
end

.uuid_v5(uuid_namespace, name) ⇒ Object 



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# File 'lib/vwo/common/uuid_utils.rb', line 21

def self.uuid_v5(uuid_namespace, name)
  uuid_namespace = parse(uuid_namespace)
  hash_class = ::Digest::SHA1
  version = 5

  hash = hash_class.new
  hash.update(uuid_namespace)
  hash.update(name)

  ary = hash.digest.unpack('NnnnnN')
  ary[2] = (ary[2] & 0x0FFF) | (version << 12)
  ary[3] = (ary[3] & 0x3FFF) | 0x8000
  # rubocop:disable Lint/FormatString
  '%08x-%04x-%04x-%04x-%04x%08x' % ary
  # rubocop:enable Lint/FormatString
end

Instance Method Details

#generate(namespace, name) ⇒ Object

Generated uuid from namespace and name, uses uuid5

@param :namespace Namespace @param[String) :name Name

@return Uuid, nil if any of the arguments is empty



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# File 'lib/vwo/common/uuid_utils.rb', line 74

def generate(namespace, name)
  VWO::Common::UUIDUtils.uuid_v5(namespace, name) if name && namespace
end

#generator_for(user_id, account_id) ⇒ Object

Generates desired UUID

@param :user_id User identifier @param :account_id Account identifier

@return Desired UUID



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# File 'lib/vwo/common/uuid_utils.rb', line 47

def generator_for(user_id, )
  user_id = user_id.to_s
   = .to_s
  user_id_namespace = generate(VWO_NAMESPACE, )
   = generate(user_id_namespace, user_id)

  desired_uuid = .delete('-').upcase

  VWO::CustomLogger.get_instance.log(
    LogLevelEnum::DEBUG,
    format(
      LogMessageEnum::DebugMessages::UUID_FOR_USER,
      file: FileNameEnum::UuidUtil,
      user_id: user_id,
      account_id: ,
      desired_uuid: desired_uuid
    )
  )
  desired_uuid
end