Piotr Jurczyński pjurczynski

Arel Table

The problem: You want some advanced function from sql, but active record won't help

Example: SELECT * FROM users WHERE name LIKE '%hacker%'

Active Record: User.where("name LIKE '%?%'", 'hacker')

Why it's bad?

	import { combineLatest } from 'rxjs';
	import { TestScheduler } from 'rxjs/testing';

	const testScheduler = new TestScheduler((actual, expected) => {
	expect(actual).toEqual(expected);
	});

	describe('simple example of rxjs-marbles', () => {
	it('combineLatest', () => {
	testScheduler.run(({ expectObservable, cold, hot, expectSubscriptions, flush }) => {

	class SomeController
	@$inject = ['$scope']

	constructor: (@scope) ->
	$state.transitionTo('app.game.welcome')

	someVar: 'xx'
	someMethod: ->
	console.log "method!"

	run Rack::URLMap.new \
	'http://api.storytelling.dev/' => API,
	'http://api.storytelling.dev/doc/' => GrapeSwaggerRails::Engine,
	'http://admin.storytelling.dev/' => Rails.application


	def users_to_invite
	users \|\|= begin
	contacts_to_connect = Contact.from_id(connection_params[:contact_ids])
	emails_to_connect = connection_params[:email_list].split ','
	(contacts_to_connect.pluck(:primary_email) + emails_to_connect).uniq
	end
	end

	def count_customers(customer_id, order_count, totals, repeat_customers, new_customers, newly_promising_customers, newly_loyal_customers)
	total_orders = totals.fetch(customer_id, 0)

	if total_orders == 1 \|\| order_count == total_orders
	new_customers += 1
	elsif total_orders == 2
	newly_promising_customers += 1
	elsif (total_orders - order_count) < 4
	newly_loyal_customers += 1
	elsif order_count != total_orders

	class FakeModel
	# …
	def self.load_from_yml(table_name)
	YAML.load(File.read(Rails.root.join("config/wpp/#{ table_name }.yml")))[table_name]
	end
	# …
	end

	wpp.com/en/stories
	wpp.com/stories?lang=en
	wpp.com/stories #autodetect english

	wpp.com/fr/stories
	wpp.com/stories?lang=fr
	wpp.com/stories #autodetect french

	class AppBuilder < Rails::AppBuilder
	include Thor::Actions
	include Thor::Shell

	def test
	append_test_gems
	rspec
	cucumber
	jasmine
	end