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Pagination in API

Avatar for mrzasa mrzasa
March 14, 2015
Programming
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Pagination in API

Slides for lightning talk given on wroc_love.rb 2015.
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mrzasa

March 14, 2015
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Transcript

  1. Pagination in API Maciej Rząsa (@mjrzasa) PGS Software (Rzeszów)

  2. Big JSON in API (~10MB) • Synchronizing data for offline

    use • “Send me everything newer than I have” • Timeouts on heroku • Memory issues on the android client • Solution: pagination

  3. Regular pagination GET /items?page=1&timestamp=t0 Deleting first two items t0 t0

  4. Regular pagination GET /items?page=2&timestamp=t0 t0 t0

  5. Since-to pagination GET /items?since=t0&to=t1 t0 t1 5 items

  6. Since-to pagination GET /items?since=t1&to=t2 t1 t2 10 items

  7. Timestamp with page size GET /items?timestamp=t0&page_size=5 t0 t1 GET /items?timestamp=t1&page_size=5

  8. Timestamp with page size GET /items?timestamp=t0&page_size=5 GET /items?timestamp=t1&page_size=5