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The Worker Pattern

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Avatar for Lee Jones Lee Jones
March 07, 2013
Programming
370
1

The Worker Pattern

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

Avatar for Lee Jones

Lee Jones

March 07, 2013

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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