Module: OrderId

Defined in:
lib/OrderId.rb,
lib/OrderId/version.rb

Defined Under Namespace

Classes: FormatError

Constant Summary collapse

DECIMAL_LENGTH = 
20
BASE = 
36
SEPARATOR = 
'-'
GROUP_LENGTH = 
5
VERSION = 
"0.1.1"

Class Method Summary collapse

Class Method Details

.generate(length: DECIMAL_LENGTH, base: BASE, separator: SEPARATOR, group_length: GROUP_LENGTH) ⇒ Object 



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# File 'lib/OrderId.rb', line 10

def self.generate(length: DECIMAL_LENGTH, base: BASE, separator: SEPARATOR, group_length: GROUP_LENGTH)
  if separator =~ (/[\w\d]/)
    raise FormatError, "Characters not allowed as separator: `#{separator}`"
  end
  t  = Time.now.to_f
  ts = "%.#{length}f" % t
  ts.delete!('.')
  final = ts.to_i.to_s(base).upcase
  final.scan(/.{1,#{group_length}}/).join(separator)
end

.get_time(id, length: DECIMAL_LENGTH, base: BASE, separator: SEPARATOR) ⇒ Object 



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# File 'lib/OrderId.rb', line 21

def self.get_time(id, length: DECIMAL_LENGTH, base: BASE, separator: SEPARATOR)
  id.delete!(separator)
  ts = id.to_i(base) / BigDecimal("1e+#{length}")
  Time.at(ts)
end