Module: Timespan::Compare

Includes:
Comparable
Defined in:
lib/timespan/compare.rb

Instance Method Summary collapse

Instance Method Details

#+(other) ⇒ Object 



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# File 'lib/timespan/compare.rb', line 50

def +(other)
  self.duration += Duration.new(other)
  self
end

#-(other) ⇒ Object 



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# File 'lib/timespan/compare.rb', line 55

def -(other)
  self.duration -= Duration.new(other)
  self
end

#<=>(time) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/timespan/compare.rb', line 34

def <=> time
	raise ArgumentError, "Not a valid argument for Timespan comparison, was #{time}" unless valid_compare?(time)
	case time
	when Timespan
		seconds <=> time.seconds
	when Time  		
  	seconds <=> time.to_i
  when Date, DateTime
  	time.to_time.to_i
  when Integer
  	seconds <=> time
  when ActiveSupport::Duration
    seconds <=> time.to_i
  end
end

#expired? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/timespan/compare.rb', line 30

def expired?
  time_left.total <= 0
end

#time_left(time = nil) ⇒ Object 



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# File 'lib/timespan/compare.rb', line 24

def time_left time = nil
  time_compare = time || Time.now
  diff = end_time - time_compare
  Timespan::TimeDuration.new(diff)
end

#valid_compare?(time) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/timespan/compare.rb', line 61

def valid_compare? time
  valid_compare_types.any? {|type| time.kind_of? type }
end

#valid_compare_types ⇒ Object 



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# File 'lib/timespan/compare.rb', line 65

def valid_compare_types
  [Timespan, Time, Date, DateTime, Integer]
end