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

Returns a new instance of DateTime.

Parameters:

  • date_time (String) —

    The datetime pattern



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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

#second ⇒ Object (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

Parameters:

  • other (Numeric) —

    The seconds to add



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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

Parameters:

  • other (Numeric) —

    The seconds to substract



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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

Parameters:

  • other (#hash) —

    The contrast to compare against

Returns:

  • (Boolean) 


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

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

#eql?(other) ⇒ Boolean

Parameters:

  • other (#hash) —

    The contrast to compare against

Returns:

  • (Boolean) 


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

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

#hash ⇒ Fixnum

Returns:

  • (Fixnum) 


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

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

#to_a ⇒ Object 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_f ⇒ Object

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_s ⇒ Object

Converts DateTime to a formated string



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

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

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