49 lines
992 B
Ruby
49 lines
992 B
Ruby
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class DurationTimecode
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def self.parse(timecode)
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if match = DURATION_TIMECODE_REGEX.match(timecode)
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hours = match[1].to_i
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minutes = match[2].to_i
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seconds = match[3].to_i
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new(hours, minutes, seconds)
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else
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raise ArgumentError.new("Must be HH:MM:SS format")
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end
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end
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def self.from_seconds(total_seconds)
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hours = total_seconds / 60 / 60
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minutes = total_seconds / 60 % 60
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seconds = total_seconds % 60
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DurationTimecode.new(hours, minutes, seconds)
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end
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attr_reader :hours, :minutes, :seconds
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def initialize(hours, minutes, seconds)
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@hours = hours
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@minutes = minutes
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@seconds = seconds
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end
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def to_s
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[hours, minutes, seconds].map { |t| t.to_s.rjust(2,'0') }.join(':')
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end
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def to_i
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[
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hours * 60 * 60,
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minutes * 60,
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seconds
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].sum
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end
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def +(other)
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DurationTimecode.from_seconds(to_i + other.to_i)
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end
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private
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DURATION_TIMECODE_REGEX = /\A(\d+):(\d+):(\d+)\z/
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end
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