ryenski

class TenantCreator
  def initialize(user_name, email, company_name)
    @tenant = Tenant.new(name: company_name)
    @user = @tenant.users.new(name: user_name, email: email)
  end

  def call
    if persist!
      SignupMailer.welcome(user).deliver_now
      AnalyticsTracker.new(tenant).call

ryenski

class MessageCreator
  # ...
  def call
    process!
    return result
  end

  private
  def process!
    if message.save

ryenski

class WidgetCreator
  # ...
  attr_reader :widget, :success, :errors
  def result
    OpenStruct.new(success?: !errors, errors: errors.try(:flatten), widget: widget)
  end
end

widget_creator = WidgetCreator.new(params).call
widget_creator.success?

ryenski

class UserCreator
  # ...
  # UserCreator.new(params).call
  def call
    do_the_work(args)
  end
  # Alternatively some people think this reads nicer:
  # UserCreateor.call(params)
  def self.call(*args)
    new(*args).call

ryenski

class UserCreator
  def initialize(params)
    @user = User.new(params)
  end
  private
  attr_reader :user
end

ryenski

class LeadMagnetsController < FormsController
  private
  def skope
    current_user.lead_magnets
  end

  def form_params
    params[:form] = params[:lead_magnet]
    params.require(:form).permit(permitted_params)
  end

ryenski

class FormsController < ApplicationController
  before_action :set_form, only: [:show, :edit, :update, :destroy, :embed, :customize]

  # GET /forms
  # GET /forms.json
  def index
    @forms = skope.newest_first
    respond_to do |format|
      format.html
      format.json { render json: @forms }

ryenski

class OptInsController < FormsController
  private
  def skope
    current_user.opt_ins
  end

  def form_params
    params[:form] = params[:opt_in]
    params.require(:form).permit(permitted_params)
  end

ryenski

class PronounceablePassword
  WORDS = (IO.readlines(File.join File.dirname(__FILE__), 'words.txt')).each { |w| w.chop! }
  
  class << self
    def random_pronouncable_password(options={})
      options={
        :rand_seed => 999
      }.update(options)
      words = WORDS.dup
      [words.delete_at(rand(words.length)), rand(options[:rand_seed]), words[rand(words.length)]].join("-")

ryenski

# numbers.rb
def numbers(*ary)
  ary.all?{|a| a.is_a?(Numeric)}
end
numbers(1,2,3.0)
# => true
numbers(1,2,'foo')
# => false