AR-02-Validations

gistfile1.txt

class Post < ActiveRecord::Base
  default_scope order('votes DESC')
  belongs_to :user
  validates :name, :url, :user, presence: true
  validates :name, length: { minimum: 5 }
  validates :name.downcase, uniqueness: { case_sensitive: false }
  validates :url, format: { with: /\Ahttps?\:\/\/(?:www\.|)?\w+\.\w{2,3}(?:\/\w+)?/, message: "invalid url" }
end

class User < ActiveRecord::Base
  has_many :posts
  before_validation :stripspaces
  validates :username, :email, presence: true
  validates :email, format: { with: /\A\w+@\w+\.\w{2,3}\z/, message: "invalid email" }
  validates :username, uniqueness: true
end

def stripspaces
  self.email = email.lstrip.rstrip unless email.nil?
end