The Worker Pattern

A Lightning Talk I gave at the March 7, 2013 Nashville Ruby on Rails Meetup.

Transcript

1. The Worker Pattern Thursday, March 7, 13
2. Confession Thursday, March 7, 13
3. BACKGROUND ALL THE THINGS! Thursday, March 7, 13
4. Request work •••••••••••• Thursday, March 7, 13
5. Example Acme API Feed * item 1 * item 2 * item 3 ... Thursday, March 7, 13
6. class AcmeIntegrationController def index api = AcmeAPI.new(user_token) @feed = api.get_user_feed end end Thursday, March 7, 13
7. I heard you requests... so i put a request inside your request Thursday, March 7, 13
8. class AcmeIntegrationController def index if fragment.exists? @feed = fragment.data else fragment.fetch_in_background @feed = nil end ... Thursday, March 7, 13
9. # app/views/acme_integration/index.html <% if @feed.present? -%> <%= render @feed %> <% else -%> <%= feed_fragment_helper %> <% end -%> Thursday, March 7, 13
10. Example Acme API Feed loading... Thursday, March 7, 13
11. http status 204 http://httpstatus.es/204 Thursday, March 7, 13
12. Example Acme API Feed * item 1 * item 2 * item 3 ... Thursday, March 7, 13
13. The Worker Pattern resources Ryan Smith: * slides: rails conf 2010 * Video: talk at waza 2011 Rack Worker on Github speakerdeck.com/leejones ••• Thursday, March 7, 13