Class: Farmoney::Vat

Inherits:
SimpleDelegator
  • Object
show all
Defined in:
lib/farmoney/vat.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(rate, precision: 2) ⇒ Vat

Returns a new instance of Vat.



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# File 'lib/farmoney/vat.rb', line 13

def initialize(rate, precision: 2)
  @rate = BigDecimal.new(rate, precision)
  super(@rate)
end

Class Method Details

.from_decimal(rate) ⇒ Object 



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# File 'lib/farmoney/vat.rb', line 5

def self.from_decimal(rate)
  new(100 * rate)
end

.from_thousandth(rate) ⇒ Object 



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# File 'lib/farmoney/vat.rb', line 9

def self.from_thousandth(rate)
  new(BigDecimal(rate) / 10)
end

Instance Method Details

#as_decimal ⇒ Object 



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# File 'lib/farmoney/vat.rb', line 26

def as_decimal
  @rate / 100
end

#multiplier ⇒ Object 



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# File 'lib/farmoney/vat.rb', line 22

def multiplier
  1 + as_decimal
end

#per_thousand ⇒ Object 



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# File 'lib/farmoney/vat.rb', line 30

def per_thousand
  (10 * @rate).to_i
end

#to_s ⇒ Object 



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# File 'lib/farmoney/vat.rb', line 18

def to_s
  "#{@rate}%"
end