codesnips

design-patterns

ruby 
class UserRegistrationService
  class Result
    attr_reader :user, :errors

    def initialize(success:, user: nil, errors: [])
      @success = success

Service objects for business logic encapsulation

ruby rails service-objects
by Sarah Mitchell 2 tabs
ruby 
class UserRegistrationForm
  include ActiveModel::Model
  include ActiveModel::Attributes

  attribute :email, :string
  attribute :name, :string

Form objects for complex form handling

ruby rails form-objects
by Sarah Mitchell 2 tabs
java 
package com.example.demo.model;

import lombok.Builder;
import lombok.Data;
import java.time.LocalDateTime;

Builder pattern for object construction

java design-patterns builder
by David Kumar 2 tabs
ruby 
class UserSearchQuery
  def initialize(relation = User.all)
    @relation = relation
  end

  def call(params)

Query objects for complex database queries

ruby rails query-objects
by Sarah Mitchell 2 tabs