Ruby on Rails Level 2 Book

Setup & Introduction

Downloading the Class Files

Before You Begin: Installing Ruby on Rails

• Installing Command Line Tools
• Installing Homebrew
• Installing Ruby Version Manager (RVM)
• Installing Ruby & Rails

Section 1

Setting Up: Do This Before Other Exercises!

• Setting up your class files

Closures: Blocks, Procs, & Lambdas

• Blocks
• Writing methods that work with blocks
• Procs vs. lambdas

Ruby Fundamentals: Inheritance, Mixins, & Modules

• Inheritance
• Overriding a parent class’s method
• Calling a parent class’s method using super
• Mixins & modules

Object Introspection

• The class & superclass methods
• The ancestors method
• The is_a? & respond_to? methods

Extending Core Ruby Classes

• Extending the string class
• Adding a new method to the string class

Error Handling & Exceptions

• Handling errors
• Different types of errors
• The raise method

Section 2

Getting Started with Active Admin

• Installing the Active Admin gem
• Logging in to Active Admin
• Generating a resource

Customizing Product Images

• Installing the Paperclip gem
• Installing the ImageMagick image processor
• Modifying the form
• Customizing images

Product Images, SEO-Friendly Slugs, & Markdown

• Installing the FriendlyId gem
• Using slugs to create SEO-friendly URLs
• Remaking the database
• Using Markdown to make bulleted lists

Customizing Active Admin

• Customizing the product columns
• Customizing the filter sidebar

Section 3

Many-to-Many Relationships: Part One

• The has_one relationship
• The has_and_belongs_to_many relationship

Many-to-Many Relationships: Part Two

• The has_many, through relationship
• Setting quantity
• Removing items

Adding Price Functionality to the Cart

• Calculating the subtotal
• Delegates
• Fixing the order summary
• Displaying the number of items in the cart

Advanced Model Relationships: Polymorphic

• Polymorphic relationships
• Making the checkout button functional
• Adding an order model
• Checking out & emptying the cart

Advanced Model Relationships: Self Joins

• Self join relationships
• Displaying related products

Section 4

Updating Quantities & Prices with AJAX

• Adding an AJAX request
• Disabling turbolinks

Web Services: Integrating a Third-Party

• Installing the HTTParty gem
• Adding Bitcoin total to the order summary

Web Services: Outgoing with JSON, XML, & CSV

• Converting product info into JSON
• Creating an XML file
• Using Active Admin to export CSV

Confirmation Emails & Testing with MailCatcher

• Installing & configuring MailCatcher
• Creating a mailer
• Sending the email

Deployment with Heroku & AWS S3

• Creating Heroku & Amazon Web Services accounts
• Adding the gems that Heroku needs
• Configuring Paperclip to store images on Amazon S3
• Setting up AWS S3: creating a bucket & security keys
• Deploying our code to Heroku
• Sending emails with Heroku’s SendGrid add-on

Bonus Material

The Making of That Nutty Guy: Page Layout

• Creating the product model, view, & controller
• Incorporating the designer’s HTML/CSS
• Fixing the missing images & fonts

The Making of That Nutty Guy: Dynamic Content

• Adding dynamic data
• Rendering a partial
• Validations

User Sign-In with the Devise Gem

• Installing the Devise gem
• Alerts
• User logins

Managing Your Code with Git

• Creating a new Git repository
• Tracking changes & adding files
• Committing code to Git
• GitHub: pushing your code to the cloud
• Committing a change to the repository
• Cloning a repository

Reference Material

Basic Structure of Scaffolding