Class: TimeTally::Duration

Inherits:
Object
  • Object
show all
Defined in:
lib/time_tally/duration.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(str = nil) ⇒ Duration

Returns a new instance of Duration.



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# File 'lib/time_tally/duration.rb', line 5

def initialize(str = nil)
  if str
    @h, @m, @s = str.split(":").map(&:to_i)
    normalize
  else
    @h = @m = @s = 0
  end
end

Instance Attribute Details

#h ⇒ Object

Returns the value of attribute h.



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# File 'lib/time_tally/duration.rb', line 3

def h
  @h
end

#m ⇒ Object

Returns the value of attribute m.



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# File 'lib/time_tally/duration.rb', line 3

def m
  @m
end

#s ⇒ Object

Returns the value of attribute s.



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# File 'lib/time_tally/duration.rb', line 3

def s
  @s
end

Instance Method Details

#+(other) ⇒ Object 



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# File 'lib/time_tally/duration.rb', line 26

def +(other)
  result = Duration.new
  result.s = s + other.s
  result.m = m + other.m
  result.h = h + other.h
  result.normalize
  result
end

#normalize ⇒ Object 



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# File 'lib/time_tally/duration.rb', line 14

def normalize
  if @s > 59
    @m += @s / 60
    @s %= 60
  end

  if @m > 59
    @h += @m / 60
    @m %= 60
  end
end

#to_s ⇒ Object 



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# File 'lib/time_tally/duration.rb', line 35

def to_s
  "%d:%02d:%02d" % [h, m, s]
end