The Rails 6 Way
The Rails 6 Way
About the Book
The book is a pre-release and doesn't contain all chapters yet. Chapters will be released in regular intervals.
“When I read The Rails Way for the first time, I felt like I truly understood Rails for the first time.”—Steve Klabnik, Rails contributor and mentor
The Rails™ 6 Way is the comprehensive, authoritative reference guide for professionals delivering production-quality code using modern Ruby on Rails. It illuminates the entire Rails 6 API, its most powerful idioms, design approaches, and libraries. Building on the previous editions, this edition has been heavily refactored and updated. It features entirely new chapters on Action Mailbox, Action Text, Active Storage, Multi Database Support and Webpacker.
Through detailed code examples, you’ll dive deep into Ruby on Rails, discover why it’s designed as it is, and learn to make it do exactly what you want. Proven in thousands of production systems, the knowledge in this book will maximize your productivity and help you build more successful solutions.
- Build powerful, scalable, REST-compliant back-end services
- Program complex program flows using Action Controller
- Represent models, relationships, and operations in Active Record, and apply advanced Active Record techniques
- Smoothly evolve your database schema via Migrations
- Craft front-ends with ActionView
- Build your assets with the Asset Pipeline and/or Webpacker
- Optimize performance and scalability with caching and Turbolinks
- Improve your productivity using Haml HTML templating
- Secure your systems against attacks like SQL Injection, XSS, and XSRF
- Integrate email using Action Mailer and Action Mailbox
- Enable real-time, websockets-based browser behavior with Action Cable
- Improve responsiveness with background processing
- Build “API-only” back-end projects that speak JSON
- Store your files in the cloud via Active Storage
- Add a great WYSIWYG via Action Text
- Leverage Multiple Databases
About the Authors
Table of Contents
- Foreword
- Foreword (to The Rails 5 Way)
- Foreword (to The Rails 4 Way)
- Foreword (to The Rails 3 Way)
- Foreword (to The Rails Way)
- Acknowledgments
- About the Authors
-
Introduction
- About This Book
- David Heinemeier Hansson (aka DHH)
- Goals
- Prerequisites
- Book Structure
- Licenses, Attributions and Trademark Notice
-
Rails Configuration and Environments
- Bundler
- Startup Scripts
- Default Initializers
- Other Common Settings
- The Rails Class Loader
- Development Mode
- Test Mode
- Production Mode
- Configuring Application Secrets
- Configuring a Database
- Logging
- Default Gems
- Rack
- Conclusion
-
Routing
- The Two Purposes of Routing
-
The
routes.rbFile - Named Routes
- Scoping Routing Rules
- Listing Routes
- Conclusion
-
REST, Resources, and Rails
- REST in a Rather Small Nutshell
- Resources and Representations
- REST in Rails
- Routing and CRUD
- The Standard RESTful Controller Actions
- Singular Resource Routes
- Nested Resources
- Routing Concerns
- RESTful Route Customizations
- Controller-Only Resources
- Different Representations of Resources
- The RESTful Rails Action Set
- Conclusion
-
Working with Controllers
- Action Dispatch: Where It All Begins
- Parameters
- Render unto View…
- Additional Layout Options
- Redirecting
- Controller/View Communication
- Action Callbacks
- Streaming
- Conclusion
-
Session Management, Cookies and the Flash
- Cookies
- Session
- The Flash
- What to Store in a Cookie
- What to Store in the Session
- Conclusion
-
Action View & Haml
- Haml
- Layouts and Templates
- Partials
- Conclusion
-
Active Record Migrations
- Creating Migrations
- Defining Columns
- Data Migration
- Database Schema and Sequencing
- Database Seeding
- Database-Related Tasks
- Conclusion
-
Working with Active Record
- The Basics
- Macro-Style Methods
- Defining Attributes
- CRUD: Creating, Reading, Updating, Deleting
- Database Locking
- Ignoring Columns
- Connections to Multiple Databases in Different Models
- Using the Database Connection Directly
- Convention over Configuration
- Conclusion
-
Active Record Associations
- The Association Hierarchy
- One-to-Many Relationships
- Belongs to Associations
- Has Many Associations
- Many-to-Many Relationships
- One-to-One Relationships
- Working with Unsaved Objects and Associations
- Association Extensions
-
The
CollectionProxyClass - Conclusion
-
Working with Queries
- Query Methods
- Custom SQL Queries
- Scopes
- Conclusion
-
Validations
- Finding Errors
- Included Validations
- Common Validation Options
- Conditional Validation
- Short-form Validation
- Custom Validation Techniques
- Skipping Validations
- Working with the Errors object
- Conclusion
- Notes
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