Module: Berater::Utils

Extended by:
Utils
Included in:
Utils
Defined in:
lib/berater/utils.rb

Instance Method Summary collapse

Instance Method Details

#convenience_fn(klass, *args, **opts, &block) ⇒ Object 



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# File 'lib/berater/utils.rb', line 45

def convenience_fn(klass, *args, **opts, &block)
  limiter = klass.new(*args, **opts)
  if block_given?
    limiter.limit(&block)
  else
    limiter
  end
end

#to_msec(val) ⇒ Object 



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# File 'lib/berater/utils.rb', line 11

def to_msec(val)
  res = val

  if val.is_a? String
    # naively attempt casting, otherwise maybe it's a keyword
    res = Float(val) rescue val.to_sym
  end

  if res.is_a? Symbol
    case res
    when :sec, :second, :seconds
      res = 1
    when :min, :minute, :minutes
      res = 60
    when :hour, :hours
      res = 60 * 60
    end
  end

  unless res.is_a? Numeric
    raise ArgumentError, "unexpected value: #{val}"
  end

  if res < 0
    raise ArgumentError, "expected value >= 0, found: #{val}"
  end

  if res == Float::INFINITY
    raise ArgumentError, "infinite values not allowed"
  end

  (res * 10**3).to_i
end