lib/comfan.rb
require "comfan/version"
module Comfan
extend self
def api_id(input_id)
return input_id if input_id.nil? || input_id.length != 15
suffix = ""
3.times do |i|
flags = 0
5.times do |j|
c = input_id[i * 5 + j]
if c.upcase == c && c >= "A" && c <= "Z"
flags = flags + (1 << j)
end
end
suffix += "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345"[flags]
end
input_id + suffix
end
def ui_id(input_id)
return input_id if input_id.nil? || input_id.length != 18
input_id[0..-4]
end
end