Module: Optimizely::Audience

Defined in:
lib/optimizely/audience.rb

Class Method Summary collapse

Class Method Details

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

Returns:

  • (Boolean) 


25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
 
# File 'lib/optimizely/audience.rb', line 25

def user_in_experiment?(config, experiment, attributes)
  # Determine for given experiment if user satisfies the audiences for the experiment.
  #
  # config - Representation of the Optimizely project config.
  # experiment - 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 = experiment['audienceIds']

  # 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 = config.get_audience_from_id(audience_id)
    audience_conditions = audience['conditions']
    audience_conditions = JSON.parse(audience_conditions)
    return true if @condition_evaluator.evaluate(audience_conditions)
  end

  false
end