codesnips

refactoring

ruby 
class SignupForm
  include ActiveModel::Model
  include ActiveModel::Attributes

  attribute :account_name, :string
  attribute :email, :string

Shallow Controller, Deep Params: Form Object Pattern

rails activemodel form-object
by codesnips 3 tabs
ruby 
class ApplicationCommand
  Result = Struct.new(:value, :errors) do
    def success?
      errors.nil? || errors.empty?
    end

Keep Controllers Thin: Use Command Objects

rails architecture command-object
by codesnips 3 tabs
ruby 
class ProjectPresenter
  def initialize(project, include_tasks: true)
    @project = project
    @include_tasks = include_tasks
  end

Building Nested JSON Presenters in Rails Without ActiveModel::Serializer

rails presenter json
by codesnips 3 tabs
ruby 
class OrderPresenter < SimpleDelegator
  attr_reader :current_user

  def initialize(order, current_user:)
    super(order)
    @current_user = current_user

Presenter + fast_jsonapi Serializer for Clean JSON:API Responses in Rails

rails json-api serialization
by codesnips 3 tabs
ruby 
class PriceBreakdown < Struct.new(:subtotal_cents, :discount_cents, :tax_cents, keyword_init: true)
  def initialize(*)
    super
    freeze
  end

Memoizing a Pricing Breakdown as an Immutable Value Object in Rails

rails memoization value-object
by codesnips 3 tabs