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Contents
module PrefixedIds class PrefixId attr_reader :hashids, :prefix TOKEN = 123 def initialize(model, prefix, salt: PrefixedIds.salt, minimum_length: PrefixedIds.minimum_length, alphabet: PrefixedIds.alphabet, delimiter: PrefixedIds.delimiter, **options) @prefix = prefix.to_s @delimiter = delimiter.to_s @hashids = Hashids.new("#{model.table_name}#{salt}", minimum_length, alphabet) end def encode(id) return if id.nil? @prefix + @delimiter + @hashids.encode([TOKEN] + Array.wrap(id)) end # decode returns an array def decode(id, fallback: false) fallback_value = fallback ? id : nil _, id_without_prefix = PrefixedIds.split_id(id, @delimiter) decoded_hashid = @hashids.decode(id_without_prefix) if !valid?(decoded_hashid) fallback_value else _, *ids = decoded_hashid (ids.size == 1) ? ids.first : ids end end private def valid?(decoded_hashid) decoded_hashid.size >= 2 && decoded_hashid.first == TOKEN end end end
Version data entries
1 entries across 1 versions & 1 rubygems
Version | Path |
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prefixed_ids-1.8.1 | lib/prefixed_ids/prefix_id.rb |