​​Session 15 Exercises:
​​

​​Exercise 1:

​​
  • ​​Create a GuestBook​ model that has a name​
  • ​​Create a GuestBookEntry​ model that has a guest_book_id​, person_name​, and body​
​​

​​Exercise 2:

​​
  • ​​Create a page (index​) that lists all of the guest books
  • ​​Create a page (show​) which allows you to see the messages in an individual guest book
​​

​​Exercise 3:

​​
  • ​​Move the list of messages into a separate action and refresh it every 3 seconds via JavaScript
  • ​​Instead of the page reloading, only reload the list of messages
  • ​​TIP: Check out setInterval
  • ​​NOTE: This should mean when you create a message in the console, it updates automatically.
​​

​​Exercise 4 (Bonus):

​​
  • ​​Implement a form that allows you to add a new entry to a guest book in a separate browser.
  • ​​NOTE: When you add the guest book entry, it should refresh the list automatically in BOTH browsers.
​​