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facd74f733
* Add classification generated column to account * Add basic net worth calculation * Add net worth tests * Fix lint errors
27 lines
652 B
Ruby
27 lines
652 B
Ruby
class Trend
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attr_reader :current, :previous, :type
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def initialize(current:, previous: nil, type: "asset")
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@current = current
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@previous = previous
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@type = type # asset means positive trend is good, liability means negative trend is good
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end
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def direction
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return "flat" unless @previous
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return "up" if @current > @previous
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return "down" if @current < @previous
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"flat"
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end
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def amount
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return 0 if @previous.nil?
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@current - @previous
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end
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def percent
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return 0 if @previous.nil?
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return Float::INFINITY if @previous == 0
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((@current - @previous).abs / @previous.to_f * 100).round(1)
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end
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end
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