phensalves

class Product < ActiveRecord::Base
  validates :name, :estoque_id
  has_many :log
end

class User < ActiveRecord::Base
  validates :name
  has_many :log
end

phensalves

class Produto < ActiveRecord::Base
  # id, nome, quantidade_em_estoque
  validates :id, :nome, :quantidade_em_estoque
end

#####

class EstoqueController < ApplicationController 

  # current_user_id

phensalves

class Produto < ActiveRecord::Base
  # id, nome, quantidade_em_estoque
  validates :id, :nome, :quantidade_em_estoque
end

#####

class EstoqueController < ApplicationController 

  current_user

phensalves

class User < ActiveRecord::Base
  scope :email_exist, -> { where.not(email: nil) }

  attr_accessor :password              

  validates :nome, presence: true, length: { maximum: 50 } 

  before_save { self.email = email.downcase } 
  validates :email, presence: true, format: {with: /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/i, on: :create}, uniqueness: {case_sensitive: false}