Class: Periodic::Duration::Duration

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

Instance Method Summary collapse

Constructor Details

#initialize(seconds) ⇒ Duration

Returns a new instance of Duration.



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# File 'lib/periodic/duration.rb', line 47

def initialize(seconds)
  @seconds = (seconds.is_a?(Float) ? seconds.to_f : seconds)
end

Instance Method Details

#format(format = '%y:%d:%h:%m:%s', precision = nil) ⇒ Object 



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# File 'lib/periodic/duration.rb', line 51

def format(format = '%y:%d:%h:%m:%s', precision = nil)
  string, nondirective_units, values, smallest_unit_directive = format, [], Hash.new, nil

  Periodic::Duration::Units::TIME_ORDER.reverse.each_with_index do |unit, i|
    if format =~ Periodic::Duration::Units::TIME[unit][:directive]
      values[unit] = send(unit) + nondirective_units.inject(0) { |total, u| total += (send(u) * (Periodic::Duration::Units::TIME[u][:factor] / Periodic::Duration::Units::TIME[unit][:factor])) }
      smallest_unit_directive = unit
      nondirective_units.clear
    else
      nondirective_units << unit if (send(unit) > 0)
    end

    # correct for any left over time that's is fractional for all the included units
    values[smallest_unit_directive] += nondirective_units.inject(0) { |total, u| total += (send(u).to_f * Periodic::Duration::Units::TIME[u][:factor] / Periodic::Duration::Units::TIME[smallest_unit_directive][:factor]) } if (!Periodic::Duration::Units::TIME_ORDER.reverse[i+1] && !nondirective_units.empty?)
  end

  values[smallest_unit_directive] = case precision
    when nil then (values[smallest_unit_directive] % 1 == 0) && !@seconds.is_a?(Float) ? values[smallest_unit_directive].to_i : values[smallest_unit_directive]
    when 0 then values[smallest_unit_directive].to_i
    else (values[smallest_unit_directive] * (10 ** precision)).round / (10 ** precision).to_f
  end

  return Periodic::Duration.sanitize_formatted_string(values.inject(string) { |str, data| str.sub!(Periodic::Duration::Units::TIME[data[0]][:directive], data[1].to_s) })
end