Slide 22
Slide 22 text
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class Tax < ApplicationRecord
enum kind: { ordinary: 0, reduced: 1 }
class << self
def ordinary_rate(time = Time.current) # 10%ͷ੫༻
ordinary.where('started_at <= ?', time).order(started_at: :desc).first.rate
end
def reduced_rate(time = Time.current) # 8%(ܰݮ੫)༻
reduced.where('started_at <= ?', time).order(started_at: :desc).first.rate
end
end
end