Method: Array#time_string

Defined in:
lib/doing/array_chronify.rb

#time_string(format: :dhm) ⇒ String

Format [d, h, m] as string

Raises:

  • (InvalidArgument) 


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# File 'lib/doing/array_chronify.rb', line 14

def time_string(format: :dhm)
  raise InvalidArgument, 'Invalid array, must be [d,h,m]' unless count == 3

  d, h, m = self
  case format
  when :clock
    format('%<d>02d:%<h>02d:%<m>02d', d: d, h: h, m: m)
  when :dhm
    output = []
    output.push(format('%<d>dd', d: d)) if d.positive?
    output.push(format('%<h>dh', h: h)) if h.positive?
    output.push(format('%<m>dm', m: m)) if m.positive?
    output.join(' ')
  when :hm
    h += d * 24 if d.positive?
    format('%<h> 4dh %<m>02dm', h: h, m: m)
  when :m
    h += d * 24 if d.positive?
    m += h * 60 if h.positive?
    format('%<m> 4dm', m: m)
  when :natural
    human = []
    human.push(format('%<d>d %<s>s', d: d, s: 'day'.to_p(d))) if d.positive?
    human.push(format('%<h>d %<s>s', h: h, s: 'hour'.to_p(h))) if h.positive?
    human.push(format('%<m>d %<s>s', m: m, s: 'minute'.to_p(m))) if m.positive?
    human.join(', ')
  when :speech
    human = []
    human.push(format('%<d>d %<s>s', d: d, s: 'day'.to_p(d))) if d.positive?
    human.push(format('%<h>d %<s>s', h: h, s: 'hour'.to_p(h))) if h.positive?
    human.push(format('%<m>d %<s>s', m: m, s: 'minute'.to_p(m))) if m.positive?
    last = human.pop
    case human.count
    when 2
      human.join(', ') + ", and #{last}"
    when 1
      "#{human[0]} and #{last}"
    when 0
      last
    end
  end
end