Module: SimpleMapper::Attributes::Types::TimestampHighRes

Defined in:
lib/simple_mapper/attributes/types.rb

Constant Summary collapse

SECOND_FRACTION = 
Rational(1, 24 * 60 * 60)
PATTERN = 
/^([^.]+)\.(\d+)([-+]\d{4})$/
OUT_FORMAT = 
'%Y-%m-%d %H:%M:%S.%N%z'
IN_FORMAT = 
'%Y-%m-%d %H:%M:%S%z'

Class Method Summary collapse

Class Method Details

.decode(value) ⇒ Object 



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# File 'lib/simple_mapper/attributes/types.rb', line 207

def self.decode(value)
  if value.kind_of?(DateTime)
    value
  elsif value.nil?
    nil
  else
    if match = PATTERN.match(value.to_s)
      stamp, second_fraction, zone = match.captures
      subseconds = BigDecimal('0.' + second_fraction).to_r
      DateTime.strptime(stamp + zone, IN_FORMAT) + (subseconds * SECOND_FRACTION)
    else
      raise SimpleMapper::TypeConversionException, "cannot transform '#{value}' into hi-res DateTime"
    end
  end
end

.encode(value) ⇒ Object 



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# File 'lib/simple_mapper/attributes/types.rb', line 202

def self.encode(value)
  return nil if value.nil?
  value.strftime(OUT_FORMAT)
end