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# frozen_string_literal: true
# Example:
#
# # In controller include module
# # Track event for index action
#
# include RedisTracking
#
# track_redis_hll_event :index, :show, name: 'i_analytics_dev_ops_score', feature: :my_feature
#
# if the feature flag is enabled by default you should use
# track_redis_hll_event :index, :show, name: 'i_analytics_dev_ops_score', feature: :my_feature, feature_default_enabled: true
module RedisTracking
extend ActiveSupport::Concern
class_methods do
def track_redis_hll_event(*controller_actions, name:, feature:, feature_default_enabled: false)
after_action only: controller_actions, if: -> { request.format.html? && request.headers['DNT'] != '1' } do
track_unique_redis_hll_event(name, feature, feature_default_enabled)
end
end
end
private
def track_unique_redis_hll_event(event_name, feature, feature_default_enabled)
return unless metric_feature_enabled?(feature, feature_default_enabled)
return unless Gitlab::CurrentSettings.usage_ping_enabled?
return unless visitor_id
Gitlab::UsageDataCounters::HLLRedisCounter.track_event(visitor_id, event_name)
end
def metric_feature_enabled?(feature, default_enabled)
Feature.enabled?(feature, default_enabled: default_enabled)
end
def visitor_id
return cookies[:visitor_id] if cookies[:visitor_id].present?
return unless current_user
uuid = SecureRandom.uuid
cookies[:visitor_id] = { value: uuid, expires: 24.months }
uuid
end
end
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