Class: ActiveSupport::NumberHelper::NumberToPeriodFormatConverter

Inherits:
NumberConverter
  • Object
show all
Defined in:
lib/numeric_period_format.rb

Instance Method Summary collapse

Instance Method Details

#convert ⇒ Object 



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# File 'lib/numeric_period_format.rb', line 19

def convert
  seconds = number.to_i.abs

  return seconds.to_s unless options[:format]

  string = options[:format].dup
  format_directives = {
    'y' => 31_557_600, # 1.year
    'm' => 2_592_000, # 1.month
    'd' => 86_400, # 1.day
    'H' => 3600, # 1.hour
    'M' => 60 # 1.minute
  }
  %w[y m d H M].each do |item|
    next unless string.match?(/%[#{item}]+/)
    total = 0
    value = format_directives[item]
    if seconds >= value
      total = seconds / value
      seconds -= total * value
    end
    string.scan(/%[#{item}]+/).each do |match|
      string.sub!(match, total.to_s.rjust(match.length - 1, '0'))
    end
  end
  string.scan(/%[S]+/).each do |match|
    string.sub!(match, seconds.to_s.rjust(match.length - 1, '0'))
  end
  string
end