Class: ISO8601::DateTime

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/iso8601/date_time.rb

Overview

A DateTime representation

Examples:

dt = DateTime.new('2014-05-28T19:53Z')
dt.year #=> 2014

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(date_time) ⇒ DateTime


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# File 'lib/iso8601/date_time.rb', line 23

def initialize(date_time)
  @original = date_time
  @date_time = parse(date_time)
  @second = @date_time.second + @date_time.second_fraction.to_f.round(1)
end

Instance Attribute Details

#secondObject (readonly)

Returns the value of attribute second


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# File 'lib/iso8601/date_time.rb', line 19

def second
  @second
end

Instance Method Details

#+(other) ⇒ Object

Addition


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# File 'lib/iso8601/date_time.rb', line 33

def +(other)
  moment = @date_time.to_time.localtime(zone) + other.to_f.round(1)

  self.class.new(moment.strftime('%Y-%m-%dT%H:%M:%S.%N%:z'))
end

#-(other) ⇒ Object

Substraction


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# File 'lib/iso8601/date_time.rb', line 43

def -(other)
  moment = @date_time.to_time.localtime(zone) - other.to_f.round(1)

  self.class.new(moment.strftime('%Y-%m-%dT%H:%M:%S.%N%:z'))
end

#==(other) ⇒ Boolean


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# File 'lib/iso8601/date_time.rb', line 74

def ==(other)
  (hash == other.hash)
end

#eql?(other) ⇒ Boolean


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# File 'lib/iso8601/date_time.rb', line 82

def eql?(other)
  (hash == other.hash)
end

#hashFixnum


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# File 'lib/iso8601/date_time.rb', line 88

def hash
  [to_f, self.class].hash
end

#to_aObject Also known as: atoms

Converts DateTime to an array of atoms.


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# File 'lib/iso8601/date_time.rb', line 59

def to_a
  [year, month, day, hour, minute, second, zone]
end

#to_fObject

Converts DateTime to a floating point number of seconds since the Epoch.


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# File 'lib/iso8601/date_time.rb', line 66

def to_f
  to_time.to_f
end

#to_sObject

Converts DateTime to a formated string


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# File 'lib/iso8601/date_time.rb', line 51

def to_s
  second_format = format((second % 1).zero? ? '%02d' : '%04.1f', second)

  format("%04d-%02d-%02dT%02d:%02d:#{second_format}#{zone}", *atoms)
end