Module: Shouhizei

Defined in:
lib/shouhizei.rb,
lib/shouhizei/version.rb

Constant Summary collapse

RoundUp = 
'Up'
RoundDown = 
'Down'
Round = 
'Round'
VERSION = 
'0.5.2'

Class Method Summary collapse

Class Method Details

.config ⇒ Object 



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# File 'lib/shouhizei.rb', line 29

def self.config
  @@config ||= {rounding: RoundDown}
end

.including(price:, time: Time.current, reduced: false, rounding: config[:rounding]) ⇒ Object 



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# File 'lib/shouhizei.rb', line 21

def self.including(price:, time: Time.current, reduced: false, rounding: config[:rounding])
  including_price = price + price * rate_on(time, reduced: reduced)

  return including_price.round if rounding == Round
  return including_price.ceil if rounding == RoundUp
  including_price.floor
end

.rate_on(time = Time.current, reduced: false) ⇒ Object 



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# File 'lib/shouhizei.rb', line 11

def self.rate_on(time = Time.current, reduced: false)
  date = time.in_time_zone('Asia/Tokyo').to_date
  rate_list.reverse_each do |key_date, rate|
    rate_key = reduced && rate['reduced'] ? 'reduced' : 'default'

    return rate[rate_key].to_r if date >= key_date
  end
  0.0r
end