christopherstyles

# Illustrate the usage of service objects named in the verb-first form.

# a test user
user = User.where(name: 'Oleg').first

SubscribeUserToList.call(user)
# => "Oleg was added to the mailing list."

UnsubscribeUserFromList.call(user)
# => "Oleg was removed from the mailing list."

christopherstyles

# Illustrate the usage of service objects named in the noun-first form.

# a test user
user = User.where(name: 'Oleg').first

UserListSubscription.subscribe(oleg, list)
# => "Oleg was added to the mailing list."

UserListSubscription.unsubscribe(oleg, list)
# => "Oleg was removed from the mailing list."

christopherstyles

namespace :archive do
  task :users do
    users.each do |user|
      UnsubscribeUserFromList.call(user)
      ArchiveUserComments.call(user)
    end
  end
end

christopherstyles

class ArchiveUserWorker
  include Sidekiq::Worker

  def perform(user)
    UnsubscribeUserFromList.call(user)
  end
end

christopherstyles

[1] pry(main)> user = User.find(99)
[2] pry(main)> RemoveUserComments.call(user)
=> "User #99 was removed."

christopherstyles

class ArchiveInactiveUsers
  def self.call(users)
    users.each do |user|
      UnsubscribeUserFromList.call(user)
      SendGoodbyeEmail.call(user)
      RemoveUserComment.call(user)
    end
  end
end

christopherstyles

#!/usr/bin/env ruby

$:.unshift 'spec'

require 'rspec'
require 'rails_helper'

spec = ARGV[0]

# -----------------------------------------------------------------------------

christopherstyles

#!/usr/bin/env ruby

$:.unshift 'spec'

require 'rspec'
require 'rails_helper'
require 'benchmark/ips'

spec = ARGV[0]

christopherstyles

module YourNamespace
  class Item < ActiveRecord::Base
  end
end

YourNamespace.require_sti_dependencies(:item)

christopherstyles

# admin/user.rb
ActiveAdmin.register User do
  filter :role_in_all, as: :select, 
                       multiple: true,
                       collection: -> { Role.order(name: :asc).all }
end