debian-mirror-gitlab/lib/gitlab/analytics/cycle_analytics/average.rb
2021-06-08 01:23:25 +05:30

49 lines
1.1 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module Analytics
module CycleAnalytics
class Average
include Gitlab::Utils::StrongMemoize
include StageQueryHelpers
def initialize(stage:, query:, params: {})
@stage = stage
@query = query
@params = params
end
def seconds
select_average ? select_average['average'] : nil
end
def days
seconds ? seconds.fdiv(1.day) : nil
end
private
attr_reader :stage, :params
# rubocop: disable CodeReuse/ActiveRecord
def select_average
strong_memoize(:select_average) do
execute_query(@query.select(average_in_seconds.as('average')).reorder(nil)).first
end
end
# rubocop: enable CodeReuse/ActiveRecord
def average
Arel::Nodes::NamedFunction.new(
'AVG',
[duration]
)
end
def average_in_seconds
Arel::Nodes::Extract.new(average, :epoch)
end
end
end
end
end