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Merge pull request #2709 from WesleyAC/improve-polling-backoff

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Improve polling algorithm
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Mouse Reeve 2023-03-08 18:36:19 -08:00 committed by GitHub
commit 2f737efeff
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1 changed files with 8 additions and 6 deletions
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14
bookwyrm/static/js/bookwyrm.js
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@ -95,7 +95,6 @@ let BookWyrm = new (class {
/**
* Update a counter with recurring requests to the API
* The delay is slightly randomized and increased on each cycle.
*
* @param {Object} counter - DOM node
* @param {int} delay - frequency for polling in ms
@ -104,16 +103,19 @@ let BookWyrm = new (class {
polling(counter, delay) {
const bookwyrm = this;
delay = delay || 10000;
delay += Math.random() * 1000;
delay = delay || 5 * 60 * 1000 + (Math.random() - 0.5) * 30 * 1000;
setTimeout(
function () {
fetch("/api/updates/" + counter.dataset.poll)
.then((response) => response.json())
.then((data) => bookwyrm.updateCountElement(counter, data));
bookwyrm.polling(counter, delay * 1.25);
.then((data) => {
bookwyrm.updateCountElement(counter, data);
bookwyrm.polling(counter);
})
.catch(() => {
bookwyrm.polling(counter, delay * 1.1);
});
},
delay,
counter