Module: Abtest::Filters

Extended by:
ActiveSupport::Concern
Defined in:
lib/abtest/filters.rb

Instance Method Summary collapse

Instance Method Details

#process_abtests ⇒ Object 



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# File 'lib/abtest/filters.rb', line 9

def process_abtests
  experiment_activated  = false

  Abtest.abtest_config.registered_tests.each do |test_hash|
    app_config      = Rails.application.config
    environment     = Rails.application.assets
    experiment_name = test_hash[:name]
    experiment_path = Rails.root.join('abtest', 'experiments', experiment_name)

    if (test_hash[:check].call(request)  && !experiment_activated)
      # ensure experimental translations are loaded
      unless (I18n.load_path || []).last.include?(experiment_name)
        I18n.load_path = app_config.i18n.load_path + Dir[Rails.root.join('abtest', 'experiments', experiment_name, 'config', 'locales', '*.{rb,yml}').to_s]
        I18n.reload!
      end

      manifest = Abtest::ManifestManager.instance.retrieve_manifest(experiment_name)

      # Set view context for asset path
      view_context_class.assets_prefix       = File.join(app_config.assets.prefix, 'experiments', experiment_name)
      view_context_class.assets_environment  = manifest.environment
      view_context_class.assets_manifest     = manifest

      # Prepend the lookup paths for our views
      prepend_view_path(File.join(experiment_path, 'views'))

      test_hash[:process].call(binding) unless test_hash[:process].nil?

      experiment_activated = true
    elsif (!experiment_activated)
      # ensure experimental translations are removed
      I18n.reload! if I18n.load_path.reject! { |path| path.include?(experiment_name) }
    end
  end

  unless experiment_activated
    # Use default manifest
    manifest = Abtest::ManifestManager.instance.retrieve_manifest('default')

    # Set view context for asset path
    view_context_class.assets_prefix       = File.join(Rails.application.config.assets.prefix)
    view_context_class.assets_environment  = manifest.environment
    view_context_class.assets_manifest     = manifest
  end
end