🤔 Situation & Motivation
Master data that is not so many records and not need to store into RDB because of the performance.
How we can store it in the code?
🦄 General solution
class Hoge module TYPE A = 1 B = 2 TYPE_NAMES = { A = 'alpha', B = 'beta' } def self.keys TYPE_NAMES.keys end def self.type_names TYPE_NAMES.value end end end 👍 Enum directory solution
This is not the usual way, but it's ok for migration of the version.
Code template
app/enums/v2/status_enum.rb app/enums/v2/position_enum.rb module V2::StatusEnum GREAT = 1 NOMAL = 2 BAD = 3 STATUS_NAMES = { GREAT => 'GREAT', NOMAL => 'NOMAL', BAD => 'BAD' } end module V2::PositionEnum BOSS = 1 NOMAL = 2 PLAYER = 3 STATUS_NAMES = { BOSS => 'BOSS', NOMAL => 'NOMAL', PLAYER => 'PLAYER' } end Usage
user = User.where(status: V2::StatusEnum::GREAT) <%= V2::StatusEnum::STATUS_NAMES[user.status] %> 
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