Module: TimePieces::Duration

Included in:
SimpleDuration
Defined in:
lib/time_pieces/duration.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#duration_seconds ⇒ Object

Returns the value of attribute duration_seconds.



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

def duration_seconds
  @duration_seconds
end

#start_at_seconds ⇒ Object

Returns the value of attribute start_at_seconds.



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

def start_at_seconds
  @start_at_seconds
end

Instance Method Details

#+(other_td) ⇒ Object 



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# File 'lib/time_pieces/duration.rb', line 63

def +(other_td)
  ts_ret = TimeSet.new
  if overlaps?(other_td)
    if overlaps_start?(other_td) && !overlaps_outside?(other_td)
      update_start_seconds_and_end_seconds(other_td.start_at_seconds, end_at_seconds)
      ts_ret << self
      return ts_ret
    end
    if overlaps_end?(other_td) && !overlaps_outside?(other_td)
      
      update_start_seconds_and_end_seconds(start_at_seconds, other_td.end_at_seconds)
      ts_ret << self
      return ts_ret
    end
    if overlaps_inside?(other_td)
      ts_ret << self
      return ts_ret
    end
    if overlaps_outside?(other_td)
      ts_ret << other_td
    end
    return ts_ret
  end
  if touches?(other_td)
    if touches_at_end?(other_td) && other_td.end_at_seconds > end_at_seconds
      update_start_seconds_and_end_seconds(start_at_seconds, other_td.end_at_seconds)
      ts_ret << self
      return ts_ret
    end
    if touches_at_start?(other_td) && other_td.start_at_seconds < start_at_seconds
      update_start_seconds_and_end_seconds(other_td.start_at_seconds, end_at_seconds)
      ts_ret << self
      return ts_ret
    end
    return false
  end
  ts_ret << self
  ts_ret << other_td
  return ts_ret
end

#-(other_td) ⇒ Object 



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# File 'lib/time_pieces/duration.rb', line 103

def -(other_td)
  ts_ret = TimeSet.new
  return ts_ret if inside_of?(other_td)
  unless overlaps?(other_td)
    ts_ret << self
    return ts_ret
  end
  if overlaps?(other_td)

    if overlaps_start?(other_td)
      update_start_seconds_and_end_seconds(other_td.end_at_seconds, end_at_seconds)
      ts_ret << self
      return ts_ret
    end
    if overlaps_end?(other_td)
      puts inspect
      update_start_seconds_and_end_seconds(start_at_seconds, other_td.start_at_seconds)
      puts "RUNNING OVERLAPPING END"
      puts inspect
      ts_ret << self
      return ts_ret
    end
    if overlaps_inside?(other_td)
      left_of_break = left_duration_copy.update_start_seconds_and_end_seconds(start_at_seconds, other_td.start_at_seconds)
      right_of_break = right_duration_copy.update_start_seconds_and_end_seconds(other_td.end_at_seconds, end_at_seconds)
      ts_ret << left_of_break
      ts_ret << right_of_break
    end
    return ts_ret
  end
end

#<=>(other) ⇒ Object 



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# File 'lib/time_pieces/duration.rb', line 60

def <=>(other)
  start_at_seconds <=> other.start_at_seconds
end

#end_at_seconds ⇒ Object 



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# File 'lib/time_pieces/duration.rb', line 4

def end_at_seconds
  return start_at_seconds + duration_seconds
end

#end_at_seconds=(new_end_at_seconds) ⇒ Object 



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# File 'lib/time_pieces/duration.rb', line 7

def end_at_seconds=(new_end_at_seconds)
  self.duration_seconds = new_end_at_seconds - start_at_seconds
end

#inside_of?(other_td) ⇒ Boolean 



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

def inside_of?(other_td)
  return true if (other_td.start_at_seconds < start_at_seconds) && (other_td.end_at_seconds > end_at_seconds)
end

#left_duration_copy ⇒ Object 



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# File 'lib/time_pieces/duration.rb', line 15

def left_duration_copy
  duration_copy
end

#overlaps?(other_td) ⇒ Boolean 



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# File 'lib/time_pieces/duration.rb', line 41

def overlaps?(other_td)
  return true if overlaps_outside?(other_td)
  return true if overlaps_start?(other_td)
  return true if overlaps_end?(other_td)
  return true if overlaps_inside?(other_td)
  return false
end

#overlaps_end?(other_td) ⇒ Boolean 



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# File 'lib/time_pieces/duration.rb', line 27

def overlaps_end?(other_td)
  return true if (end_at_seconds <= other_td.end_at_seconds) && (end_at_seconds > other_td.start_at_seconds)
  return false
end

#overlaps_inside?(other_td) ⇒ Boolean 



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# File 'lib/time_pieces/duration.rb', line 31

def overlaps_inside?(other_td)
  return true if (other_td.end_at_seconds > start_at_seconds) && (other_td.end_at_seconds <= end_at_seconds) && (other_td.start_at_seconds >= start_at_seconds) && (other_td.start_at_seconds < end_at_seconds)
  return false
end

#overlaps_outside?(other_td) ⇒ Boolean 



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# File 'lib/time_pieces/duration.rb', line 38

def overlaps_outside?(other_td)
  return other_td.overlaps_inside?(self)
end

#overlaps_start?(other_td) ⇒ Boolean 



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# File 'lib/time_pieces/duration.rb', line 23

def overlaps_start?(other_td)
  return true if (start_at_seconds >= other_td.start_at_seconds) && (start_at_seconds < other_td.end_at_seconds)
  return false
end

#right_duration_copy ⇒ Object 



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# File 'lib/time_pieces/duration.rb', line 18

def right_duration_copy
  duration_copy
end

#touches?(other_td) ⇒ Boolean 



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# File 'lib/time_pieces/duration.rb', line 56

def touches?(other_td)
  return (touches_at_start?(other_td) || touches_at_end?(other_td))
  return false
end

#touches_at_end?(other_td) ⇒ Boolean 



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# File 'lib/time_pieces/duration.rb', line 52

def touches_at_end?(other_td)
  return true if other_td.start_at_seconds == end_at_seconds
  return false
end

#touches_at_start?(other_td) ⇒ Boolean 



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# File 'lib/time_pieces/duration.rb', line 48

def touches_at_start?(other_td)
  return true if other_td.end_at_seconds == start_at_seconds
  return false
end

#update_start_seconds_and_end_seconds(new_start_seconds, new_end_seconds) ⇒ Object 



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# File 'lib/time_pieces/duration.rb', line 10

def update_start_seconds_and_end_seconds(new_start_seconds, new_end_seconds)
  self.start_at_seconds = new_start_seconds
  self.end_at_seconds = new_end_seconds
  return self
end