Class: Cardia::Money

Inherits:
Object show all
Defined in:
lib/cardia/money.rb

Overview

A very basic Money class, at the time being works with Norwegian Kroner

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(an_amount) ⇒ Money

:nodoc:



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# File 'lib/cardia/money.rb', line 12

def initialize(an_amount) #:nodoc:
  @amount = an_amount
end

Instance Attribute Details

#amount ⇒ Object (readonly)

Returns the value of attribute amount.



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# File 'lib/cardia/money.rb', line 4

def amount
  @amount
end

Class Method Details

.kroner(an_amount) ⇒ Object

Create an instance for NOK



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# File 'lib/cardia/money.rb', line 7

def self.kroner(an_amount)
  an_amount = an_amount.to_i
  self.new(an_amount * 100)
end

Instance Method Details

#+(a_money) ⇒ Object

:nodoc:



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# File 'lib/cardia/money.rb', line 24

def +(a_money) #:nodoc:
  self.plus(a_money)
end

#==(an_object) ⇒ Object

Equality test, returns true for two objects of the same amount



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# File 'lib/cardia/money.rb', line 48

def ==(an_object)
  self.class == an_object.class and self.amount == an_object.amount
end

#format_kroner_dot_oere ⇒ Object

Formatted print



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# File 'lib/cardia/money.rb', line 62

def format_kroner_dot_oere
  return "%d.%.2d" % [self.kroner, self.oere]
end

#including_tax(tax_percentage) ⇒ Object

Return a new instance including tax



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# File 'lib/cardia/money.rb', line 43

def including_tax(tax_percentage)
  self.class.new((self.amount + self.amount * (tax_percentage / 100.0)).round)
end

#kroner ⇒ Object

Return the object as Norwegian Kroner



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# File 'lib/cardia/money.rb', line 29

def kroner
  (@amount / 100).truncate
end

#nil? ⇒ Boolean

:nodoc:

Returns:

  • (Boolean) 


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# File 'lib/cardia/money.rb', line 38

def nil? #:nodoc:
  @amount.nil?
end

#oere ⇒ Object

Return the øre



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# File 'lib/cardia/money.rb', line 34

def oere
  @amount - kroner * 100
end

#plus(a_money) ⇒ Object

:nodoc:



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# File 'lib/cardia/money.rb', line 20

def plus(a_money) #:nodoc:
  self.class.new(a_money. amount + @amount)
end

#times(factor_integer) ⇒ Object

:nodoc:



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# File 'lib/cardia/money.rb', line 16

def times(factor_integer) #:nodoc:
  self.class.new(factor_integer * @amount)
end

#to_i ⇒ Object

:nodoc:



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# File 'lib/cardia/money.rb', line 57

def to_i #:nodoc:
  (@amount/100.0).round
end

#to_s ⇒ Object

String representation



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# File 'lib/cardia/money.rb', line 53

def to_s
  "#{self.to_i},-"
end