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6f0e410684
* Handle Turbo updates with tabs Fixes #491 * Add Filterable concern for controllers * Add trendline chart * Extract common UI to partials * Series refactor * Put placeholders for calculations in * Add classification generated column to account * Add basic net worth calculation * Add net worth tests * Get net worth graph working * Fix lint errors * Implement asset grouping query * Make trends and series more intuitive * Fully functional dashboard * Remove logging
26 lines
658 B
Ruby
26 lines
658 B
Ruby
class Trend
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attr_reader :current, :previous, :type
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def initialize(current: nil, 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" if @current == @previous
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return "up" if @previous.nil? || (@current && @current > @previous)
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"down"
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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.abs.to_f * 100).round(1)
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end
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end
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