Last active
May 18, 2023 11:36
-
-
Save matheusazzi/ae04d27e1bdf3b57a30469d9f460c437 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| class ThingService | |
| attr_reader :thing, :params | |
| Result = Struct.new(:errors, :things) do | |
| def success? | |
| errors.empty? | |
| end | |
| end | |
| def self.call(thing = ThingModel.new, params) | |
| new(thing, params).call | |
| end | |
| def call | |
| @something ||= find_things | |
| if @something.success? | |
| Result.new([...], nil) | |
| else | |
| Result.new([], '...') | |
| end | |
| end | |
| private | |
| def initialize(thing, params) | |
| @thing = thing | |
| @params = params | |
| end | |
| def find_things | |
| # ... | |
| end | |
| end | |
| # Usage | |
| t = ThingService.call(params) # => ThingService::Result | |
| t.success? # => true | |
| t.errors # => [] | |
| t.things # => [Thing, Thing, ...] | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment