Ruby on Rails for all. - Section 5.2. Seeing Real Photos

Contents

Ruby on Rails: Up and Running

Table of Contents

Chapter 1. Zero to Sixty: Introducing Rails

Section 1.1. Rails Strengths

Section 1.2. Putting Rails into Action

Section 1.3. Organization

Section 1.4. The Web Server

Section 1.5. Creating a Controller

Section 1.6. Building a View

Section 1.7. Tying the Controller to the View

Section 1.8. Under the Hood

Section 1.9. What's Next?

Chapter 2. Active Record Basics

Section 2.1. Active Record Basics

Section 2.2. Introducing Photo Share

Section 2.3. Schema Migrations

Section 2.4. Basic Active Record Classes

Section 2.5. Attributes

Section 2.6. Complex Classes

Section 2.7. Behavior

Section 2.8. Moving Forward

Chapter 3. Active Record Relationships

Section 3.1. belongs_to

Section 3.2. has_many

Section 3.3. has_one

Section 3.4. What You Haven't Seen

Section 3.5. Looking Ahead

Chapter 4. Scaffolding

Section 4.1. Using the Scaffold Method

Section 4.2. Replacing Scaffolding

Section 4.3. Generating Scaffolding Code

Section 4.4. Moving Forward

Chapter 5. Extending Views

Section 5.1. The Big Picture

Section 5.2. Seeing Real Photos

Section 5.3. View Templates

Section 5.4. Setting the Default Root

Section 5.5. Stylesheets

Section 5.6. Hierarchical Categories

Section 5.7. Styling the Slideshows

Chapter 6. Ajax

Section 6.1. How Rails Implements Ajax

Section 6.2. Playing a Slideshow

Section 6.3. Using Drag-and-Drop to Reorder Slides

Section 6.4. Drag and Drop Everything (Almost Everything)

Section 6.5. Filtering by Category

Chapter 7. Testing

Section 7.1. Background

Section 7.2. Ruby's Test::Unit

Section 7.3. Testing in Rails

Section 7.4. Wrapping Up

Appendix A. Installing Rails

Section 1.1. Windows

Section 2.1. OS X

Section 3.1. Linux

Appendix B. Quick Reference

Section 5.1. General

Section 5.2. Testing

Section 5.3. RJS (Ruby JavaScript)

Section 5.4. Active Record

Section 5.5. Controllers

Section 5.6. Views

Section 5.7. Ajax

Section 5.8. Configuring Your Application

About the Authors

Index

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Ruby on Rails for all.

5.2. Seeing Real Photos

This chapter is highly dependent on previous chapters, so if you are implementing this Photo Share application as you read, make sure that you are starting this chapter with the same source code that we have. For example, in the previous chapter, when you generated the scaffolding for each of the database tables, you could easily have let the scaffold generator overwrite the model classes in which we had specified the relationships between the tables.

The easiest way to make sure you are starting with the right code is to download our ZIP file that contains everything we have done up to this point. You can find this file on the book's web site: http://www.oreilly.com/catalog/rubyrails. You will want to update config/database.yml to specify your database configuration.

You also need some real photos to display. That same ZIP file contains sample photos, in the public/images/photos directory.

And, finally, make sure that your database contains the same data as ours. Use db/create_tables_with_data.sql to recreate the tables and data in your Photo Share database.