codemy/writefully

class Auth::ConfirmationsController < Auth::BaseController

  def new
    confirm_and_or_redirect_user(params[:token]) if params[:token].present?
  end

private
  def confirm_and_or_redirect_user(token)
    user = User.where(confirmation_token: params[:token]).first
    if session[:user_id].present?
      redirect_to root_path, info: "You are already logged in!"
    elsif user and user.confirmed?
      redirect_to login_path, info: "Email already confirmed please login!"
    elsif user and not user.confirmed?
      user.update_attributes(confirmed_at: DateTime.now)
      session[:user_id] = user.id
      redirect_to root_path, success: "Thank you for confirming your email!"
    else
      redirect_to login_path, warning: "Invalid Token"
    end
  end
end