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Contents
module Zhong
class Every
class FailedToParse < StandardError; end
EVERY_KEYWORDS = {
minute: 1.minute,
hour: 1.hour,
day: 1.day,
week: 1.week,
month: 1.month,
year: 1.year,
decade: 10.years
}.freeze
def initialize(period)
@period = period
raise "`every` must be >= 1 second" unless valid?
end
def to_s
EVERY_KEYWORDS.to_a.reverse.each do |friendly, period|
next unless @period % period == 0
rem = @period / period
return "#{rem} #{friendly}" if rem == 1
return "#{rem} #{friendly}s"
end
"#{@period.to_i} second#{@period.to_i == 1 ? '' : 's'}"
end
private def valid?
@period.to_f >= 1
end
def next_at(last = Time.now)
last + @period
end
def self.parse(every)
case every
when Numeric, ActiveSupport::Duration
new(every)
when String, Symbol
key = every.downcase.to_sym
raise FailedToParse, every unless EVERY_KEYWORDS.key?(key)
new(EVERY_KEYWORDS[key])
else
raise FailedToParse, every
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems