class User < ActiveRecord::Base # Include default devise modules. Others available are: # :confirmable, :lockable, :timeoutable and :omniauthable devise :database_authenticatable, :registerable, :recoverable, :rememberable, :trackable, :validatable validates :password, presence: true, length: {minimum: 5, maximum: 120}, on: :create validates :password, length: {minimum: 5, maximum: 120}, on: :update, allow_blank: true has_many :posts def full_name name = self.first_name.to_s + ' ' + self.last_name.to_s return name end end