Feeding Drupal in Real-Time
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This document discusses using the Feeds module in Drupal to import content into a site in real-time using PubSubHubbub. It explains that Feeds allows importing content from various sources into nodes, users, taxonomy, etc. but typically involves periodic cron jobs. PubSubHubbub allows setting up a publish/subscribe system so that when content is published by a source, like new check-ins on Gowalla, Drupal is notified immediately instead of waiting for a cron job. It demonstrates importing geotagged Flickr photos and seeing real-time Gowalla check-ins on a map as they are published.
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Feeding Drupal in Real-Time
- 1. Feeding Drupal * Now in Real Time
- 2. Overview • What is Feeds module all about? • How does Feeds module work? • DEMO: Importing Flickr photos • Real-time feeds with PubSubHubbub • Very Exciting Demonstration with Gowalla!
- 3. What is Feeds Module? • Import and aggregation framework • Creates nodes, users, taxonomy, flat data... • From RSS / Atom / SOAP / CSV / ... • Mapping of input to Drupal elements • It’s easily extensible and supports PubSubHubbub as a subscriber
- 4. But, what about... Periodic One-off Imports Imports Aggregator Migrate Feed API Node Import User Import
- 5. How does it work? Fetcher Parser Processor
- 6. How does Feeds work? Fetcher Parser Processor HTTP RSS NODE HTTPS ATOM USER FILE FLICKR TAXONOMY ... ... ...
- 7. How does it work? Feeds Importer { Fetcher HTTP HTTPS FILE ... Parser RSS ATOM FLICKR ... Processor NODE USER TAXONOMY ...
- 8. Let’s import some stuff Feeds Importer { Fetcher HTTP HTTPS FILE ... Parser RSS ATOM FLICKR ... Processor NODE USER TAXONOMY ...
- 9. DEMO • Importing photos from Flickr into Drupal nodes • Using location data from GeoRSS feed to display them on a Google map • Import set to run on cron every 30 mins.
- 10. What’s wrong with that? Are we there yet? Are we there yet? Publisher Subscriber Yes! Here you are. Are we there yet?
- 11. Solution? Publisher Subscriber
- 12. Problem Subscriber Subscriber Subscriber Publisher Subscriber Subscriber Subscriber Subscriber
- 13. Enter PubSubHubbub • A publish / subscribe protocol • Turns Atom and RSS feeds into real-time streams Publisher Hub Subscriber
- 14. What does it look like?
- 15. Step 1 of 2: Subscribe I want to subscribe to feed X, send updates to me. Publisher Hub Subscriber Are you for real?
- 16. Step 2 of 2: Publish Hey subscribers, here’s new content for I have new content feed X for feed X Subscriber Subscriber Publisher Hub Subscriber Subscriber
- 17. Let’s import some more stuff... • Now in real-time with PuSH • Check into Gowalla from mobile phone • See location update on Google map in Drupal
- 18. What just happened? Publisher Hub Subscriber
- 19. Step 1 of 2: Subscribe • When we created the Gowalla Feed node, we asked the hub to send us updates. I want to subscribe to John’s Gowalla Feed Super Publisher Gowalla Drupal Site Feedr
- 20. Step 2 of 2: Publish • No polling • No cron runs • Real-time update Super Publisher Gowalla Drupal Site Feedr
- 22. Any Questions?
- 23. References Feeds Module - http://drupal.org/project/feeds Flickr Parser - http://drupal.org/project/feeds_flickr Pubsubhubbub spec - http://pubsubhubbub.googlecode.com/svn/trunk/pubsubhubbub- core-0.3.html Superfeedr - http://superfeedr.com/ Federated Social Web Google Group - http://groups.google.com/group/federated-social- web
- 24. Credits • PubSubHubbub diagrams inspired by Alex Barth’s presentation at Drupalcon CPH. • Walled social network image - David Simonds (The Economist)