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