Module: Optimizely::Audience

Defined in:
lib/optimizely/audience.rb

Class Method Summary collapse

Class Method Details

.user_in_experiment?(config, experiment_key, attributes) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/optimizely/audience.rb', line 23

def user_in_experiment?(config, experiment_key, attributes)
  # Determine for given experiment if user satisfies the audiences for the experiment.
  #
  # config - Representation of the Optimizely project config.
  # experiment_key - Key representing experiment for which visitor is to be bucketed.
  # attributes - Hash representing user attributes which will be used in determining if
  #              the audience conditions are met.
  #
  # Returns boolean representing if user satisfies audience conditions for any of the audiences or not.

  audience_ids = config.get_audience_ids_for_experiment(experiment_key)

  # Return true if there are no audiences
  return true if audience_ids.empty?

  # Return false if there are audiences but no attributes
  return false unless attributes

  # Return true if any one of the audience conditions are met
  @condition_evaluator = ConditionEvaluator.new(attributes)
  audience_ids.each do |audience_id|
    audience_conditions = config.get_audience_conditions_from_id(audience_id)
    audience_conditions = JSON.load(audience_conditions)
    return true if @condition_evaluator.evaluate(audience_conditions)
  end

  false
end