danilovelozo

class ApplicationRecord < ActiveRecord::Base
  attr_writer :created_moments_ago

  def created_moments_ago?
    @created_moments_ago
  end

  def self.create_or_take!
    where(block_given? && yield).crumby_create!
  rescue ActiveRecord::RecordNotUnique

danilovelozo

# app/models/equipment.rb

class Equipment < ApplicationRecord
  has_many :requests
  has_many :customers, through: :requests

  validates :brand, presence: true
  validates :model, presence: true
  validates :equipment_type, presence: true
  validates :serial_no, presence: true

danilovelozo

rails generate model User first_name:string last_name:string email:string

rails generate Profile tagline user:references
rails db:migrate

User.create({name: 'Danilo Velozo', email: '[email protected]', password: '12345', password_confirmation: '12345'})

Profile.create(tagline: 'My Awesome Profile', user_id: User.first.id)

# Or