app/workers/analytics/instance_statistics/counter_job_worker.rb


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# frozen_string_literal: true

module Analytics
  module InstanceStatistics
    class CounterJobWorker
      include ApplicationWorker

      feature_category :instance_statistics
      urgency :low

      idempotent!

      def perform(measurement_identifier, min_id, max_id, recorded_at)
        query_scope = ::Analytics::InstanceStatistics::Measurement.identifier_query_mapping[measurement_identifier].call

        count = if min_id.nil? || max_id.nil? # table is empty
                  0
                else
                  counter(query_scope, min_id, max_id)
                end

        return if count == Gitlab::Database::BatchCounter::FALLBACK

        InstanceStatistics::Measurement.insert_all([{ recorded_at: recorded_at, count: count, identifier: measurement_identifier }])
      end

      private

      def counter(query_scope, min_id, max_id)
        Gitlab::Database::BatchCount.batch_count(query_scope, start: min_id, finish: max_id)
      end
    end
  end
end