List of Figures

Chapter 1. Ruby on Rails, the framework

Figure 1.1. Welcome aboard!

Figure 1.2. Purchases

Figure 1.3. A new purchase

Figure 1.4. Your first purchase

Figure 1.5. Errors on purchase

Figure 1.6. Cost must be greater than 0

Figure 1.7. A single purchase

Figure 1.8. Editing a purchase

Figure 1.9. Viewing an updated purchase

Figure 1.10. Update fails!

Figure 1.11. Destroy!

Figure 1.12. Last record standing

Chapter 3. Developing a real Rails application

Figure 3.1. Click Account Settings.

Figure 3.2. Add an SSH key.

Figure 3.3. Create a new repository.

Figure 3.4. Welcome aboard: take #2

Chapter 4. Oh CRUD!

Figure 4.1. ActiveRecord::RecordNotFound exception

Figure 4.2. “Page does not exist” error

Chapter 8. More authorization

Figure 8.1. Polymorphic saving

Figure 8.2. Polymorphic loading

Figure 8.3. Sign-in page

Figure 8.4. “Please confirm your account”

Figure 8.5. The permissions screen

Figure 8.6. What admins see

Chapter 9. File uploading

Figure 9.1. File-upload boxes

Figure 9.2. A ticket with spin!

Figure 9.3. No route!

Chapter 10. Tracking state

Figure 10.1. The comment form

Figure 10.2. The home page

Figure 10.3. A comment

Figure 10.4. A ticket’s state

Figure 10.5. State select box

Figure 10.6. A ticket’s state

Figure 10.7. Oops! No states!

Figure 10.8. Ugly state output

Figure 10.9. The correct state

Figure 10.10. State transitions

Figure 10.11. A state transition

Figure 10.12. State transition from itself to itself

Figure 10.13. The states aren’t what they should be...

Figure 10.14. The unescaped states