An Overview of Ruby on Rails

What is Ruby on Rails?

Overview of Rails Components

Installing Rails

A Simple Rails

Application

Starting the Rails Server

Static Pages Within a Rails Application

The Structure of a Rails Application

Generating a Controller

Rendering the View

Adding a Static Page

Dynamic Pages with Embedded Ruby

Using the render Method

Using the l

ink_to Method

Rails and HTML Forms

A Basic HTML Form

Processing an HTML Form

Working w

ith Form Data

Other Form Elements

Form Tag Helpers

Databases and Rails

Review of the MVC Architecture

Entities and Relationships

Databases and Models

Rails Database Conventions

Adding a Model

Database Migrations

The Rails Database Console

Creating a Rails View of a

Database Table

Scaffolding

RESTful Routes and Resources

Form Helpers and Validation

Introduction

Form Helpers and form_for

Processing Form Helpers

From Form to Database

Redirection

Data Validation

Validation Helpers

The presence Validator

The numericality Validator

The uniqueness Validator

The length Validator

The format Validator

Custom Validation Methods

The errors Object

Displaying Validation Errors in the View

Adding Style to an Application

Styling

Rails and Sass

Cascading Style Sheets

Users

Introduction

Configuring an Application for Sessions

Registering Users

The Register Action

The flash Hash

Validati

ng the Registration

Logging in

Logging Out

Protected Pages

Filters

Putting It All Together

Introduction

The Business Application

Database Terminology

Linking Two Models

Adding Tasks

The Database Tables

Displaying Employee Tasks

Deleting a Task

Listing Employees and Tasks

Migrations

Editing a Record

Summary