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POGradual engagement, persistent guest user with Devise
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copied!<p>I'm trying to set up gradual engagement in my utility app which people can use without registering e.g. notepad.cc and jsfiddle.net and I plan to create a guest user (with Devise) for the user when he 'writes' to the app.</p> <p>I found this guide on the Devise wiki <a href="https://github.com/plataformatec/devise/wiki/How-To:-Create-a-guest-user" rel="noreferrer">https://github.com/plataformatec/devise/wiki/How-To:-Create-a-guest-user</a> which shows how to create a guest user for the duration of the browser session. What I want is for the user to continue using the same guest account in subsequent visits, until he signs up, maybe when I introduce subscription plans for more features.</p> <p>How can I modify what's in the guide to make this possible?</p> <p>Code in the guide linked above:</p> <pre><code># file: app/controllers/application_controller.rb class ApplicationController < ActionController::Base protect_from_forgery # if user is logged in, return current_user, else return guest_user def current_or_guest_user if current_user if session[:guest_user_id] logging_in guest_user.destroy session[:guest_user_id] = nil end current_user else guest_user end end # find guest_user object associated with the current session, # creating one as needed def guest_user User.find(session[:guest_user_id].nil? ? session[:guest_user_id] = create_guest_user.id : session[:guest_user_id]) end # called (once) when the user logs in, insert any code your application needs # to hand off from guest_user to current_user. def logging_in end private def create_guest_user u = User.create(:name => "guest", :email => "guest_#{Time.now.to_i}#{rand(99)}@email_address.com") u.save(false) u end end </code></pre> <p>And using it in the controller:</p> <pre><code>@thing.user = current_or_guest_user @thing.save </code></pre>

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