Rails AntiPatterns: Best Practice Ruby on Rails Refactoring
  • Rails AntiPatterns: Best Practice Ruby on Rails Refactoring
  • Rails AntiPatterns: Best Practice Ruby on Rails Refactoring

Rails AntiPatterns: Best Practice Ruby on Rails Refactoring

by Chad Pytel, Tammer Saleh
     
 

The Complete Guide to Avoiding and Fixing Common Rails 3 Code and Design Problems

As developers worldwide have adopted the powerful Ruby on Rails web framework, many have fallen victim to common mistakes that reduce code quality, performance, reliability, stability, scalability, and maintainability. Rails™ AntiPatterns identifies these

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Overview

The Complete Guide to Avoiding and Fixing Common Rails 3 Code and Design Problems

As developers worldwide have adopted the powerful Ruby on Rails web framework, many have fallen victim to common mistakes that reduce code quality, performance, reliability, stability, scalability, and maintainability. Rails™ AntiPatterns identifies these widespread Rails code and design problems, explains why they’re bad and why they happen—and shows exactly what to do instead.

The book is organized into concise, modular chapters—each outlines a single common AntiPattern and offers detailed, cookbook-style code solutions that were previously difficult or impossible to find. Leading Rails developers Chad Pytel and Tammer Saleh also offer specific guidance for refactoring existing bad code or design to reflect sound object-oriented principles and established Rails best practices. With their help, developers, architects, and testers can dramatically improve new and existing applications, avoid future problems, and establish superior Rails coding standards throughout their organizations.

This book will help you understand, avoid, and solve problems with

  • Model layer code, from general object-oriented programming violations to complex SQL and excessive redundancy
  • Domain modeling, including schema and database issues such as normalization and serialization
  • View layer tools and conventions
  • Controller-layer code, including RESTful code
  • Service-related APIs, including timeouts, exceptions, backgrounding, and response codes
  • Third-party code, including plug-ins and gems
  • Testing, from test suites to test-driven development processes
  • Scaling and deployment
  • Database issues, including migrations and validations
  • System design for “graceful degradation” in the real world

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Product Details

ISBN-13:
9780321604811
Publisher:
Addison-Wesley
Publication date:
11/25/2010
Series:
Addison-Wesley Professional Ruby Series
Pages:
400
Sales rank:
1,374,535
Product dimensions:
6.90(w) x 9.00(h) x 0.80(d)

Table of Contents

Foreword xi

Introduction xiii

Acknowledgments xvii

About the Authors xix

Chapter 1: Models 1

AntiPattern: Voyeuristic Models 2

AntiPattern: Fat Models 14

AntiPattern: Spaghetti SQL 31

AntiPattern: Duplicate Code Duplication 50

Chapter 2: Domain Modeling 73

AntiPattern: Authorization Astronaut 74

AntiPattern: The Million-Model March 79

Chapter 3: Views 89

AntiPattern: PHPitis 91

AntiPattern: Markup Mayhem 107

Chapter 4: Controllers 117

AntiPattern: Homemade Keys 118

AntiPattern: Fat Controller 123

AntiPattern: Bloated Sessions 154

AntiPattern: Monolithic Controllers 161

AntiPattern: Controller of Many Faces 167

AntiPattern: A Lost Child Controller 170

AntiPattern: Rat’s Nest Resources 180

AntiPattern: Evil Twin Controllers 184

Chapter 5: Services 189

AntiPattern: Fire and Forget 190

AntiPattern: Sluggish Services 195

AntiPattern: Pitiful Page Parsing 197

AntiPattern: Successful Failure 201

AntiPattern: Kraken Code Base 207

Chapter 6: Using Third-Party Code 211

AntiPattern: Recutting the Gem 213

AntiPattern: Amateur Gemologist 214

AntiPattern: Vendor Junk Drawer 216

AntiPattern: Miscreant Modification 217

Chapter 7: Testing 221

AntiPattern: Fixture Blues 223

AntiPattern: Lost in Isolation 236

AntiPattern: Mock Suffocation 240

AntiPattern: Untested Rake 246

AntiPattern: Unprotected Jewels 251

Chapter 8: Scaling and Deploying 267

AntiPattern: Scaling Roadblocks 268

AntiPattern: Disappearing Assets 271

AntiPattern: Sluggish SQL 272

AntiPattern: Painful Performance 282

Chapter 9: Databases 291

AntiPattern: Messy Migrations 292

AntiPattern: Wet Validations 297

Chapter 10: Building for Failure 301

AntiPattern: Continual Catastrophe 302

AntiPattern: Inaudible Failures 306

Index 311

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