Core Ruby on Rails (TTJ2653)

Web developers currently using Java, .Net, or other frameworks who are seeking a more agile way to get things done using the Ruby on Rails framework

Prerequisite
Please contact us for information about prerequisites.

Expected Duration
2 day

Description

In this course, you will learn how to write database-backed web applications using the Ruby on Rails (RoR) framework. Working in a hands-on learning environment, you will explore the various steps of creating a robust web application using the MVC paradigm, object relational mapping, fill in forms, sessions, validation techniques, testing, and other core features of Rails.

Objective

1. An Overview Of Ruby On Rails

  • What is Ruby on Rails
  • Downloading Rails
  • A Rails Application
  • Structure of a Rails Application
  • Building the Controller
  • Views
  • A Quick Review
  • Rails Conventions
  • Embedded Ruby
  • Extended Time Functions
  • The render Method
  • The link_to Method
  • One Last Thought

2. Fill in Forms

  • Introduction
  • Creating a Form
  • Submitting a Form
  • Other Form Elements – Checkboxes
  • Radio Buttons
  • Rails Helper Methods
  • Loading the Form
  • Submitting the Form
  • Perspective

3. Databases and Rails

  • Review of MVC
  • Entities and Relationships
  • Databases and Models
  • database.yml
  • Adding the Model
  • Migrations
  • The Index Page
  • The Ruby Console
  • Listing the Rows of a Database Table
  • Scaffolding

4. Validation Techniques

  • Introduction
  • form_for
  • Data Validation
  • Required Fields
  • Validating Numerical Fields
  • Validating Uniqueness
  • Validating Lengths
  • Validating Formats
  • Writing Your Own Validation Methods
  • The errors Object
  • Validation Summary

5. Style

  • Adding Style to Your Application
  • The Actions and the Templates
  • Displaying the New Templates
  • Higher Level Templates
  • Adding Style
  • Cascading Style Sheets
  • More Style

6. Users

  • Introduction
  • Maintaining State
  • Preparing an Application for Sessions
  • Registering Users
  • Registration
  • The flash Hash
  • Validation of the Form
  • Logging In
  • Logging Out
  • Protected Pages
  • Filters

7. Putting it All Together

  • Introduction
  • The Business Application
  • Database Terminology
  • Linking Two Models
  • Adding Tasks
  • The Database Tables
  • Displaying an Employee Task
  • Deleting a Task
  • Listing Both Employees and Tasks
  • Migrations
  • application_helpers.rb
  • Editing a Record
  • Summary

8. Testing the Application

  • Introduction
  • Test::Unit
  • Testing Your Own Classes
  • Testing in Rails – Unit Testing
  • Testing Models
  • Fixtures
  • Testing Controllers
  • test_helper.rb
  • rake
  • Integration Testing

SUBSCRIPTION COST


$1,595.00

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