Method: Optimizely::DatafileProjectConfig#initialize

Defined in:
lib/optimizely/config/datafile_project_config.rb

#initialize(datafile, logger, error_handler) ⇒ DatafileProjectConfig

Returns a new instance of DatafileProjectConfig.

Raises:



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# File 'lib/optimizely/config/datafile_project_config.rb', line 64

def initialize(datafile, logger, error_handler)
  # ProjectConfig init method to fetch and set project config data
  #
  # datafile - JSON string representing the project

  config = JSON.parse(datafile)

  @datafile = datafile
  @error_handler = error_handler
  @logger = logger
  @version = config['version']

  raise InvalidDatafileVersionError, @version unless Helpers::Constants::SUPPORTED_VERSIONS.value?(@version)

  @account_id = config['accountId']
  @attributes = config.fetch('attributes', [])
  @audiences = config.fetch('audiences', [])
  @typed_audiences = config.fetch('typedAudiences', [])
  @events = config.fetch('events', [])
  @experiments = config['experiments']
  @feature_flags = config.fetch('featureFlags', [])
  @groups = config.fetch('groups', [])
  @project_id = config['projectId']
  @anonymize_ip = config.key?('anonymizeIP') ? config['anonymizeIP'] : false
  @bot_filtering = config['botFiltering']
  @revision = config['revision']
  @sdk_key = config.fetch('sdkKey', '')
  @environment_key = config.fetch('environmentKey', '')
  @rollouts = config.fetch('rollouts', [])
  @send_flag_decisions = config.fetch('sendFlagDecisions', false)

  # Json type is represented in datafile as a subtype of string for the sake of backwards compatibility.
  # Converting it to a first-class json type while creating Project Config
  @feature_flags.each do |feature_flag|
    feature_flag['variables'].each do |variable|
      if variable['type'] == 'string' && variable['subType'] == 'json'
        variable['type'] = 'json'
        variable.delete('subType')
      end
    end
  end

  # Utility maps for quick lookup
  @attribute_key_map = generate_key_map(@attributes, 'key')
  @event_key_map = generate_key_map(@events, 'key')
  @group_id_map = generate_key_map(@groups, 'id')
  @group_id_map.each do |key, group|
    exps = group.fetch('experiments')
    exps.each do |exp|
      @experiments.push(exp.merge('groupId' => key))
    end
  end
  @experiment_key_map = generate_key_map(@experiments, 'key')
  @experiment_id_map = generate_key_map(@experiments, 'id')
  @audience_id_map = generate_key_map(@audiences, 'id')
  @audience_id_map = @audience_id_map.merge(generate_key_map(@typed_audiences, 'id')) unless @typed_audiences.empty?
  @variation_id_map = {}
  @variation_key_map = {}
  @variation_id_map_by_experiment_id = {}
  @variation_key_map_by_experiment_id = {}
  @variation_id_to_variable_usage_map = {}
  @variation_id_to_experiment_map = {}
  @experiment_id_map.each_value do |exp|
    # Excludes experiments from rollouts
    variations = exp.fetch('variations')
    variations.each do |variation|
      variation_id = variation['id']
      @variation_id_to_experiment_map[variation_id] = exp
    end
  end
  @rollout_id_map = generate_key_map(@rollouts, 'id')
  # split out the experiment key map for rollouts
  @rollout_experiment_id_map = {}
  @rollout_id_map.each_value do |rollout|
    exps = rollout.fetch('experiments')
    @rollout_experiment_id_map = @rollout_experiment_id_map.merge(generate_key_map(exps, 'id'))
  end
  @all_experiments = @experiment_id_map.merge(@rollout_experiment_id_map)
  @all_experiments.each do |id, exp|
    variations = exp.fetch('variations')
    variations.each do |variation|
      variation_id = variation['id']
      variation['featureEnabled'] = variation['featureEnabled'] == true
      variation_variables = variation['variables']
      next if variation_variables.nil?

      @variation_id_to_variable_usage_map[variation_id] = generate_key_map(variation_variables, 'id')
    end
    @variation_id_map[exp['key']] = generate_key_map(variations, 'id')
    @variation_key_map[exp['key']] = generate_key_map(variations, 'key')
    @variation_id_map_by_experiment_id[id] = generate_key_map(variations, 'id')
    @variation_key_map_by_experiment_id[id] = generate_key_map(variations, 'key')
  end
  @feature_flag_key_map = generate_key_map(@feature_flags, 'key')
  @experiment_feature_map = {}
  @feature_variable_key_map = {}
  @feature_flag_key_map.each do |key, feature_flag|
    @feature_variable_key_map[key] = generate_key_map(feature_flag['variables'], 'key')
    feature_flag['experimentIds'].each do |experiment_id|
      @experiment_feature_map[experiment_id] = [feature_flag['id']]
    end
  end
end