Class: ActsAsScd::Period::DateValue

Inherits:
Object
  • Object
show all
Includes:
ModalSupport::BracketConstructor
Defined in:
lib/acts_as_scd/period.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(d) ⇒ DateValue

Returns a new instance of DateValue.



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# File 'lib/acts_as_scd/period.rb', line 6

def initialize(d)

  d = d.strftime('%Y%m%d') if d.respond_to?(:strftime)
  if String===d && d =~ /\A(\d\d\d\d)-(\d\d)-(\d\d)\Z/
    d = $1.to_i*10000 + $2.to_i*100 + $3.to_i
  end
  @value = d && d.to_i
end

Instance Attribute Details

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/acts_as_scd/period.rb', line 15

def value
  @value
end

Instance Method Details

#parse ⇒ Object 



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# File 'lib/acts_as_scd/period.rb', line 30

def parse
  y = @value/10000
  v = @value%10000
  m = v/100
  d = v%100
  [y,m,d]
end

#to_date ⇒ Object 



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# File 'lib/acts_as_scd/period.rb', line 17

def to_date
  case @value
  when START_OF_TIME, END_OF_TIME
    nil
  else
    begin
      Date.new *parse
    rescue
      raise parse.inspect
    end
  end
end

#to_s ⇒ Object 



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# File 'lib/acts_as_scd/period.rb', line 38

def to_s
  if @value==START_OF_TIME
    ''
  elsif @value==END_OF_TIME
    ''
  else
    y,m,d = parse
    I18n.l Date.new(y, m, d)
  end
end