hopsoft

# app/reflexes/examples_reflex.rb
class ExamplesReflex < ApplicationReflex
  include CableReady::Broadcaster

  before_reflex :surgical_update, only: [:noop]

  def surgical_update
    cable_ready["example"].inner_html(
      selector: "#example-container",
      html: ExampleController.render(

hopsoft

1. Create an account on NPM https://www.npmjs.com

2. Init your project

   mkdir example
   cd example
   yarn init
   

3. Create a JavaScript file

hopsoft

Simple API security with Rails

API clients set an HTML header.

Authorization: Token token="SECRET_API_KEY"

Your ApplicationController can then restrict access based on the token.

hopsoft

# app/presenters/presenter.rb

require "delegate"

class Presenter < SimpleDelegator
  attr_reader :model, :controller

  def initialize(model, controller)
    @controller = controller
    super(@model = model)

hopsoft

Problem

Unauthorized ActionCable connection attempts that produce the following

Successfully upgraded to WebSocket (REQUEST_METHOD: GET, HTTP_CONNECTION: Upgrade, HTTP_UPGRADE: websocket)
Finished "/cable/" [WebSocket] for 127.0.0.1 at 2018-11-16 08:32:24 -0700
An unauthorized connection attempt was rejected

hopsoft

#!/usr/bin/env ruby

# checkout the readme from the master branch
`git checkout gh-pages; git checkout master README.md`

path = `pwd`.gsub(/\n/, "")
readme_path = File.join(path, "README.md")
index_path = File.join(path, "index.md")

# write the index readme file

hopsoft

brew link libffi --force
export PKG_CONFIG_PATH="/usr/local/opt/libffi/lib/pkgconfig"
gem install ffi

hopsoft

group :development do
  gem "ruby-prof"
end

hopsoft

class AssignableJob < ApplicationRecord
  has_many :assignments, as: :record, dependent: :destroy

  scope :assigned, -> do
    subquery = Assignment.where(record_type: name).where(Assignment.arel_table[:record_id].eq(arel_table[:id])).select(Assignment.arel_table[Arel.star].count)
    where "(#{subquery.to_sql}) > 0" # TODO: move to Arel & remove string interpolation
  end
end

hopsoft

<% 100.times do |i| %>
user_<%= i %>:
  id: <%= SecureRandom.uuid %>
  first_name: <%= Faker::Name.first_name %>
  last_name: <%= Faker::Name.last_name %>
  email: <%= Faker::Internet.email %>
  phone: <%= Faker::PhoneNumber.cell_phone %>
<% end %>