Class: CurrencyNumberal::Currency

Inherits:
Numeric
  • Object
show all
Defined in:
lib/currency_numberal.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(number, code) ⇒ Currency

rubocop:disable Lint/MissingSuper



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

def initialize(number, code)
  @number = number
  @code = code
end

Instance Attribute Details

#code ⇒ Object

Returns the value of attribute code.



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# File 'lib/currency_numberal.rb', line 18

def code
  @code
end

#number ⇒ Object

Returns the value of attribute number.



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# File 'lib/currency_numberal.rb', line 18

def number
  @number
end

Instance Method Details

#*(other) ⇒ Object

Raises:



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# File 'lib/currency_numberal.rb', line 72

def *(other)
  raise Error, 'Invalid number' unless other.is_a?(Numeric)

  self.class.new(@number.to_f * other, @code)
end

#+(other) ⇒ Object 



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# File 'lib/currency_numberal.rb', line 64

def +(other)
  self.class.new(@number + other.send(@code).number, @code)
end

#-(other) ⇒ Object 



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# File 'lib/currency_numberal.rb', line 68

def -(other)
  self.class.new(@number - other.send(@code).number, @code)
end

#/(other) ⇒ Object

Raises:



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# File 'lib/currency_numberal.rb', line 78

def /(other)
  raise Error, 'Invalid number' unless other.is_a?(Numeric)

  self.class.new(@number.to_f / other, @code)
end

#<=>(other) ⇒ Object 



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# File 'lib/currency_numberal.rb', line 84

def <=>(other)
  base <=> other.base
end

#base ⇒ Object 



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# File 'lib/currency_numberal.rb', line 43

def base
  @number.to_f / CurrencyNumberal::CURRENCIES[@code][:base]
end

#coerce(other) ⇒ Object 



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# File 'lib/currency_numberal.rb', line 53

def coerce(other)
  case other
  when Float
    [self.class.new(other, @code), self]
  when Integer
    [self.class.new(other, @code), self]
  else
    [self.class.new(other.to_f, @code), self]
  end
end

#symbol ⇒ Object

rubocop:enable Lint/MissingSuper



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# File 'lib/currency_numberal.rb', line 27

def symbol
  CurrencyNumberal::CURRENCIES[@code][:symbol]
end

#to_f ⇒ Object 



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# File 'lib/currency_numberal.rb', line 35

def to_f
  @number.to_f
end

#to_i ⇒ Object 



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# File 'lib/currency_numberal.rb', line 39

def to_i
  @number.to_i
end

#to_s ⇒ Object 



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# File 'lib/currency_numberal.rb', line 31

def to_s
  "#{@number.to_s.reverse.gsub(/(\d{3})(?=\d)/, '\\1,').reverse} #{symbol}"
end