Ruby on Rails

     This course describes how to write database-backed Web Applications using the Ruby on Rails (also pronounced RoR, or Rails) Framework. Students are taken through the various steps of creating a full-fledged Web Application. Topics include the MVC paradigm, object relational mapping, fill in forms, sessions, validation techniques, testing, and various other Rails topics.

Topics Covered

  • Chapter 1: An Overview Of Ruby on Rails
    1. What is Ruby on Rails?
    2. Downloading Rails
    3. A Rails Application
    4. Structure of a Rails Application
    5. Building the Controller
    6. Views
    7. A Quick Review
    8. Rails Conventions
    9. Embedded Ruby
    10. Extended Time Functions
    11. The render Method
    12. The link_to Method
    13. One Last Thought
  • Chapter 2: Fill in Forms
    1. Introduction
    2. Creating a Form
    3. Submitting a Form
    4. Other Form Elements - Checkboxes
    5. Radio Buttons
    6. Rails Helper Methods
    7. Loading the Form
    8. Submitting the Form
    9. Perspective
  • Chapter 3: Databases and Rails
    1. Review of MVC
    2. Entities and Relationships
    3. Databases and Models
    4. database.yml
    5. Adding the Model
    6. Migrations
    7. The Index Page
    8. The Ruby Console
    9. Listing the Rows of a Database Table
    10. Scaffolding
  • Chapter 4: Validation Techniques
    1. Introduction
    2. form_for
    3. Data Validation
    4. Required Fields
    5. Validating Numerical Fields
    6. Validating Uniqueness
    7. Validating Lengths
    8. Validating Formats
    9. Writing Your Own Validation Methods
    10. The errors Object
    11. Validation Summary
  • Chapter 5: Style
    1. Adding Style to Your Application
    2. The Actions and the Templates
    3. Displaying the New Templates
    4. Higher Level Templates
    5. Adding Style
    6. Cascading Style Sheets
    7. More Style
  • Chapter 6: Users
    1. Introduction
    2. Maintaining State
    3. Preparing an Application for Sessions
    4. Registering Users
    5. Registration
    6. The flash Hash
    7. Validation of the Form
    8. Logging In
    9. Logging Out
    10. Protected Pages
    11. Filters
  • Chapter 7: Putting it All Together
    1. Introduction
    2. The Business Application
    3. Database Terminology
    4. Linking Two Models
    5. Adding Tasks
    6. The Database Tables
    7. Displaying an Employee Task
    8. Deleting a Task
    9. Listing Both Employees and Tasks
    10. Migrations
    11. application_helpers.rb
    12. Editing a Record
    13. Summary
  • Chapter 8: Testing the Application
    1. Introduction
    2. Test::Unit
    3. Testing Your Own Classes
    4. Testing in Rails – Unit Testing
    5. Testing Models
    6. Fixtures
    7. Testing Controllers
    8. test_helper.rb
    9. rake
    10. ntegration Testing

Audience:

     A typical student in this course has either been tasked with writing a Rails application, or has been tasked with evaluating the Rails framework. Thus, this course should be attended by developers and managers alike, and possibly system administrators.

Prerequisites:

    Students should have been through a course in the Ruby Programming language. They should also have an understanding of HTML. Students should also have experience with a SQL compliant database such as MySQL.

Benefits:

     Upon completion of this course, students will be able to:

  • Download and install Rails along with various other products that allow one to write Rails applications
  • Understand the Model, View, Controller paradigm and how this applies to Rails applications
  • Understand the directory structure of a Rails application
  • Build non-trivial database backed Web Applications
  • Understand the ActiveRecord classes and how they wrap database tables
  • Understand the interplay between various controller actions and .rhtml (template) files
  • Understand the Create, Read, Update, and Destroy (CRUD) paradigm
  • Validate Model data
  • Test Rails applications
  • Use the Rails console to debug applications

Furnished Materials:

  • PC Workstation for use during training
  • Student Manual

Recommended Follow-On Course

  • None

Length:

  • 2 Days

Price:

  • $990.00

Training Dates:

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