discourse/app/jobs/scheduled/ensure_db_consistency.rb

# frozen_string_literal: true

module Jobs
  # various consistency checks
  class EnsureDbConsistency < ::Jobs::Scheduled
    every 12.hours

    def execute(args)
      start_measure

      [
        UserVisit,
        Group,
        Notification,
        TopicFeaturedUsers,
        PostRevision,
        Topic,
        Badge,
        CategoryUser,
        UserOption,
        Tag,
        CategoryTagStat,
        User,
        UserAvatar,
        Category
      ].each do |klass|
        klass.ensure_consistency!
        measure(klass)
      end

      UserAction.ensure_consistency!(13.hours.ago)
      measure(UserAction)

      UserStat.ensure_consistency!(13.hours.ago)
      measure(UserStat)

      Rails.logger.debug(format_measure)
      nil
    end

    private

    def format_measure
      result = +"EnsureDbConsitency Times\n"
      result << @measure_times.map do |name, duration|
        "  #{name}: #{duration}"
      end.join("\n")
      result
    end

    def start_measure
      @measure_times = []
      @measure_start = Process.clock_gettime(Process::CLOCK_MONOTONIC)
    end

    def measure(step = nil)
      @measure_now = Process.clock_gettime(Process::CLOCK_MONOTONIC)
      if @measure_start
        @measure_times << [step, @measure_now - @measure_start]
      end
      @measure_start = @measure_now
    end

  end
end