Created
June 17, 2023 23:27
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| module Resettable | |
| extend ActiveSupport: :Concern | |
| included do | |
| attribute_method_affix prefix: 'reset_', suffix: '_to_default!' | |
| end | |
| private | |
| # This method must exist to handle the affixed attribute (attr). | |
| def reset_attribute_to_default!(attr) | |
| send("#{attr}=", defaults[attr]) | |
| save! | |
| end | |
| def defaults | |
| self.class.column_defaults # default values defined in migration | |
| end | |
| end |
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| class Setting < ApplicationRecord | |
| include Resettable | |
| end | |
| Setting.column_defaults # => { 'theme _preference' => :light_mode, ... } | |
| setting = Setting.create(theme_preference: :dark_mode) | |
| setting.theme_preference #=> :dark_mode | |
| setting.reset_theme_preference_to_default! | |
| setting.theme_preference #=> :light_mode |
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