module TimeHumanizer

Constants

VALID_SECONDS
VALID_TIME
VERSION

Public Class Methods

to_humanized_time(seconds) click to toggle source

Converts seconds to human readable format like 1h30m

# File lib/time_humanizer.rb, line 30
def self.to_humanized_time(seconds)
  unless blank_value?(seconds)
    raise InvalidArgument if VALID_SECONDS !~ seconds.to_s

    seconds = seconds.to_i
    hours = seconds / 3600
    minutes = seconds % 3600 / 60

    str = (hours > 0) ? "#{hours}h" : ""
    str << "#{minutes}m" if minutes > 0
    str.size == 0 ? '0' : str
  end
end

to_seconds(humanized_time_str) click to toggle source

Converts human readable time format like 1h30m to seconds

# File lib/time_humanizer.rb, line 19
def self.to_seconds(humanized_time_str)
  unless blank_value?(humanized_time_str)
    match_data = humanized_time_str.match VALID_TIME
    raise InvalidArgument unless match_data

    h, m = match_data[:hours], match_data[:minutes]
    (h.to_i * 3600) + (m.to_i * 60)
  end
end

Private Class Methods

blank_value?(value) click to toggle source

# File lib/time_humanizer.rb, line 46
def self.blank_value?(value)
  value.nil? ||
  (String === value && (
    value.empty? ||
    value.lstrip.empty?
  ))
end