Misago/frontend/src/initializers/auth-sync.js

import misago from 'misago/index';
import { patch } from 'misago/reducers/auth';
import ajax from 'misago/services/ajax';
import snackbar from 'misago/services/snackbar';
import store from 'misago/services/store';

const AUTH_SYNC_RATE = 45; // sync user with backend every 45 seconds

export default function initializer(context) {
  if (context.get('isAuthenticated')) {
    window.setInterval(function() {
      ajax.get(context.get('AUTH_API')).then(function(data) {
        store.dispatch(patch(data));
      }, function(rejection) {
        snackbar.apiError(rejection);
      });
    }, AUTH_SYNC_RATE * 1000);
  }
}

misago.addInitializer({
  name: 'auth-sync',
  initializer: initializer,
  after: 'auth'
});