Module: Optimizely::Helpers::EventTagUtils

Defined in:
lib/optimizely/helpers/event_tag_utils.rb

Class Method Summary collapse

Class Method Details

.get_revenue_value(event_tags) ⇒ Object 



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# File 'lib/optimizely/helpers/event_tag_utils.rb', line 24

def get_revenue_value(event_tags)
  # Grab the revenue value from the event tags. "revenue" is a reserved keyword.
  #
  # event_tags - Hash representing metadata associated with the event.
  # Returns revenue value as an integer number
  # Returns nil if revenue can't be retrieved from the event tags.

  if event_tags.nil? or !Helpers::Validator.attributes_valid?(event_tags)
    return nil
  end

  unless event_tags.has_key?('revenue')
    return nil
  end

  logger = SimpleLogger.new
  raw_value = event_tags['revenue']

  unless raw_value.is_a? Numeric
    logger.log(Logger::WARN, "Failed to parse revenue value #{raw_value} from event tags.")
    return nil
  end

  if raw_value.is_a? Float
    logger.log(Logger::WARN, "Failed to parse revenue value #{raw_value} from event tags.")
    return nil
  end

  logger.log(Logger::INFO, "Parsed revenue value #{raw_value} from event tags.")
  raw_value
end