jollygoodcode/reread

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app/models/user.rb

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class User < ActiveRecord::Base
  has_one  :setting
  has_many :pockets

  has_many :messages, class_name: "Ahoy::Message"

  validates_presence_of :username, :token

  scope :enabled, -> { joins(:setting).where(settings: { pause: false }) }

  delegate :email,
           :time_zone,
           :send_at,
           :schedule,
           :number,
           :state,
           :age_months,
           :redirect_to,
           :pause,
           :can_send_now?,
           to: :setting

  before_create :generate_remember_token

  def self.find_or_create_with(oauth_info)
    user = User.where(username: oauth_info[:username]).first_or_create!(token: oauth_info[:token])
    user.update(token: oauth_info[:token])
    user
  end

  def token=(value)
    encrypted_token = crypt.encrypt_and_sign(value)
    write_attribute(:token, encrypted_token)
  end

  def token
    encrypted_token = read_attribute(:token)
    crypt.decrypt_and_verify(encrypted_token) unless encrypted_token.nil?
  end

  private

    def generate_remember_token
      self.remember_token = SecureRandom.hex(20)
    end

    def crypt
      ActiveSupport::MessageEncryptor.new(
        Rails.application.secrets.secret_key_base
      )
    end
end