Ruby on Rails Bootcamp

Introduction to Ruby on Rails

Scaffolding

• The Scaffold command
• Overview of Models, Views, and Controllers (MVC)

Adjusting the Templates Created by Scaffolding

• Formatting in Rails
• Working with Dynamic web pages
• Editing the text in the tab
• Redirecting the homepage URL
• Editing the CSS

Version Control with Git

• Initializing a repository
• Commiting and Pushing changes
• Creating, switching, and deleting branches
• Merging branches

Ruby Fundamentals

Ruby Data Types & Variables

• String, Integer, Float, Boolean and Nil values
• Properties of Ruby data types
• Instance variables & Local variables
• Global variables

Functions & Control Flow

• Built-in functions
• Creating your own functions
• Passing arguments and returning values
• If/Else and Unless Statements
• While/Until Loops

Ruby Data Structures

• Arrays: The Simplest Collections
• Hashes
• Enumerators
• Common Iterators

Classes

• Creating classes
• Inheritance
• Class Methods
• Overriding Methods

Controllers and Views

Generating a Controller

• Creating a New Rails Site for Flix
• How Controller methods relate to views
• Private methods
• The params hash

Views

• Generating and creating Views
• When you don't need a View
• Mapping Views to controller actions and routes
• Dynamic Views
• The rails routes command

Models & Forms

Models

• Generating a Model
• How Migration Files work
• Migratiing the Database
• Rolling back a migration

Rails Forms

• Rails forms vs HTML forms
• HTTP Overview
• Rails Form Helpers
• Rails forms: form_for, form_tag, and form_with
• Connecting a form to a Model

Uploading Files

• Installing ActiveStorage
• Allowing users to upload images

Views

• Creating a View
• Adding Dynamic Data
• Rendering a Partial
• Optional Bonus: Rendering a View

Advanced Models

Model Validations

• The purpose of validations
• Adding basic validations
• Preventing submission of empty forms
• Customizing validations
• Adding Error Messages

Model Methods

• Built-in Model methods
• Adding methods to models

Model Relationships

• has_one and belongs_to relationships
• has_and_belongs_to_many: Simple Many-to-Many Relationships
• has_many, through: Advanced Many-to-Many Relationships with Additional Metadata
• Polymorphic Relationships

Other Important Relationships in Rails

• Delegates: Sharing Methods Between Related Objects
• Self-Joins: Relationships Between Instances of the Same Model

ActiveRecord Associations

Model Relationships

• Has_one and belongs_to relationships
• Has_many relationships
• Joining models together via the controller
• Writing Simple Tests Using Fixtures
• Optional Bonus: Writing Tests Using Embedded Ruby Code
• Additional Bonus: Helpers

Integrating Front-end Code

Rails Asset Pipeline

• What the Asset Pipeline does
• Adding CSS
• Adding JavaScript
• Conditional CSS and JavaScript files

Launching an Application

Preparation

• Managing Ruby environments
• Locking Gem versions
• Environment variables

Amazon Web Services

• Setting up an AWS account
• Where to store credentials
• Remote Asset Storage with Amazon S3

Heroku

• Heroku Account Setup
• Installing Heroku Toolbelt
• How Heroku works
• Types of Dynos
• Deploying your application