Sha256: 9ce57c935e6ff07d4c32edaadaef5c442b57ce4efb379956a356f4a85e1af62b
Contents?: true
Size: 1.17 KB
Versions: 17
Compression:
Stored size: 1.17 KB
Contents
module Acfs::Resource::Attributes
# @api public
#
# UUID attribute type. Use it in your model as an attribute type:
#
# @example
# class User < Acfs::Resource
# attribute :id, :uuid
# end
#
class UUID < Base
#
UUID_REGEXP = /[0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12}/i
# @api public
#
# Check if given object looks like a UUID, eg:
# `450b7a40-94ad-11e3-baa8-0800200c9a66`
# Valid UUIDs are 16 byte numbers represented as
# a hexadecimal string in five sub-groups seperated
# by a dash. Each group has to consist of a fixed
# number of hexadecimal digits:
# | Group | Digits |
# | -----:|:------ |
# | 1 | 8 |
# | 2 | 4 |
# | 3 | 4 |
# | 4 | 4 |
# | 5 | 12 |
#
# @param [Object] value Object to cast.
# @return [String] Casted object as UUID.
#
def cast_value(value)
if value.blank?
nil
elsif value.to_s =~ UUID_REGEXP
value
else
raise TypeError.new "Invalid UUID: `#{value.to_s}'"
end
end
end
# Lower-case alias for automatic type lookup
Uuid = UUID
end
Version data entries
17 entries across 17 versions & 1 rubygems