Advanced Rails

Advanced Rails

• start the course
• use Sidekiq to create an ActiveJob
• use Sidekiq to handle queue management of ActiveJobs
• add exception handling on queues
• create and configure a mailer
• use mailer views and templates
• implement the mail call in controller
• customize the mailer
• use different tools to debug Rails applications
• configure RSpec
• run tests
• use Factory Girl
• unit test models
• use RSpec mocking and stubbing facilities
• test validations
• use matchers to work with classes that implement module Enumerable
• write functional controller tests
• test views
• test helpers
• test integrations
• use shared_examples
• write tests for active jobs
• test mailers
• use VCR to record HTTP integrations
• use guard to automatically run tests
• generate performance tests
• create tests for a user model

Examining Rails APIs

Examining Rails APIs

• start the course
• create an API application
• add rails-api to an existing project
• use Postman to test results
• work with endpoints for INDEX and CREATE
• work with endpoint for SHOW, UPDATE, and DESTROY
• render JSON manually
• render JSON with active_model_serializers
• use versioning
• generate access tokens for authentication
• use SessionsController for issuing and validating access tokens
• use the authenticate_or_request_with_http_token method
• perform authentication with Devise
• set up Apipie Gem
• document resources and actions using Apipie
• customize validators for Apipie
• use RDoc for documentation
• use Rack::Test to test HTTP response codes
• work with log directories
• implement Unicorn as a web server
• use Kaminari for pagination
• create search forms with Ransack
• describe the basics of elasticsearch
• manipulate CSV files
• use rjb to connect Ruby with Java
• customize error pages
• put search on an API endpoint

Introduction to Models

Introduction to Models

• start the course
• describe the basics of how ActiveRecord works
• use has_one, has_many, and belongs_to associations
• use the :through association
• make one class belongs_to more than one type of another class
• use virtual attributes
• persist data into multiple models
• describe Hstore and how it is used
• perform model validation
• use conditional validation
• use custom validators in models
• use custom validators in classes
• compare using the errors[ ] with the invalid? method
• recall what methods do not invoke validations
• protect against attacks by controlling mass-assignment attributes
• use .where and .find
• execute a raw SQL query
• compare the .select and .pluck methods
• use different finder methods to retrieve objects from the database
• define and chain query criteria
• chain scopes with lambdas
• load all the specified associations with the minimum number of queries
• use active model
• recall how to use modules to share functionality between disparate model classes
• use conditional callbacks
• use transaction callbacks
• use ActiveRecord to model data

Introduction to Rails

Introduction to Rails

• start the course
• describe Rails
• set up the Rails environment
• create a new project
• recall how to change different settings
• describe where the secrets.yml file is found and what it contains
• describe how to use the bundler
• create a new Logger and describe how the Rails.logger method is used
• generate a basic scaffold
• describe the scaffold
• describe what the routes.rb file is and how it is used
• describe how to use a singular resource route
• create nested resource routes
• create shallow resource routes
• create static pages
• describe what migrations are and how they are used
• create and sequence a migration
• perform and roll back a migration
• recall what some of the migration and database constraints are
• recall how to edit the seeds.rb file
• describe the controller actions INDEX, NEW, and CREATE
• describe the member actions SHOW, EDIT, UPDATE, and DESTROY
• use respond_to to render JSON and XML
• use the ActionController::Live module
• use action callbacks
• use variants to render different templates based on some criteria
• generate a basic scaffold and create shallow routes

Introduction to Views

Introduction to Views

• start the course
• use rendering and layouts
• use partials to break up the render process into modular chunks
• use FormHelper to provide a set of methods for working with HTML forms
• describe how Rails uses the flash object to display errors
• use CsrfHelper to output meta tags with the name of the cross-site request forgery protection parameter and token
• use UrlHelper to make links and get URLs that depend on the routing subsystem
• use the Rails view helper
• write custom helpers
• use formatting view helpers
• set up Rails for Internationalization
• use the session hash to store and access data and read and write cookies
• install devise
• configure devise
• install Pundit
• configure Pundit
• describe how the asset pipeline looks for assets to include
• code links to assets
• use fingerprinting and minification
• use CDNs to improve performance
• describe how server-generated JavaScript works with Rails
• use Turbolinks to attach a click handler to all links of an HTML page
• use fragment caching
• implement collection caching and cache keys
• use Russian Doll caching
• create initializers inside of gems
• create custom rake tasks
• use different elements within views and sessions