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| # frozen_string_literal: true | |
| class Things::Something | |
| Result = Data.define(:thing, :errors) do | |
| def initialize(thing: nil, errors: []) | |
| super | |
| end | |
| def successful? | |
| errors.empty? | |
| end | |
| end | |
| def self.call(params, scope = ThingModel) | |
| new(params, scope).call | |
| end | |
| def call | |
| something = find_or_process_things | |
| if something.successful? | |
| Result.new(thing: something) | |
| else | |
| Result.new(errors: something.errors, thing: something) | |
| end | |
| end | |
| def initialize(params, scope) | |
| @params = params | |
| @scope = scope | |
| end | |
| private_class_method :new | |
| private | |
| def find_or_process_things | |
| @scope.where(...) | |
| end | |
| end | |
| # Usage | |
| result = Things::Something.call(params) # => Things::Something::Result | |
| result.successful? # => true | |
| result.errors # => [] | |
| result.thing # => <ThingRecord... |
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