2019-12-04 05:45:49 -06:00
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import WebSocketClient from '@gamestdio/websocket';
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2017-02-03 17:34:31 -06:00
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2018-05-27 12:42:45 -05:00
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const randomIntUpTo = max => Math.floor(Math.random() * Math.floor(max));
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2020-01-21 11:57:21 -06:00
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const knownEventTypes = [
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'update',
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'delete',
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'notification',
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'conversation',
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'filters_changed',
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];
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2019-03-07 15:17:52 -06:00
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export function connectStream(path, pollingRefresh = null, callbacks = () => ({ onConnect() {}, onDisconnect() {}, onReceive() {} })) {
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2017-11-15 09:04:15 -06:00
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return (dispatch, getState) => {
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const streamingAPIBaseURL = getState().getIn(['meta', 'streaming_api_base_url']);
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const accessToken = getState().getIn(['meta', 'access_token']);
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2019-03-07 15:17:52 -06:00
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const { onConnect, onDisconnect, onReceive } = callbacks(dispatch, getState);
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2018-05-27 12:42:45 -05:00
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2017-11-15 09:04:15 -06:00
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let polling = null;
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const setupPolling = () => {
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2018-05-27 12:42:45 -05:00
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pollingRefresh(dispatch, () => {
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polling = setTimeout(() => setupPolling(), 20000 + randomIntUpTo(20000));
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});
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2017-11-15 09:04:15 -06:00
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};
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const clearPolling = () => {
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if (polling) {
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2018-05-27 12:42:45 -05:00
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clearTimeout(polling);
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2017-11-15 09:04:15 -06:00
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polling = null;
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}
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};
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const subscription = getStream(streamingAPIBaseURL, accessToken, path, {
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connected () {
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if (pollingRefresh) {
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clearPolling();
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}
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2019-03-07 15:17:52 -06:00
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onConnect();
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2017-11-15 09:04:15 -06:00
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},
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disconnected () {
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if (pollingRefresh) {
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2018-05-27 12:42:45 -05:00
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polling = setTimeout(() => setupPolling(), randomIntUpTo(40000));
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2017-11-15 09:04:15 -06:00
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}
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2018-05-27 12:42:45 -05:00
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2017-11-15 09:04:15 -06:00
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onDisconnect();
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},
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received (data) {
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onReceive(data);
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},
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reconnected () {
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if (pollingRefresh) {
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clearPolling();
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pollingRefresh(dispatch);
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}
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2019-03-07 15:17:52 -06:00
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onConnect();
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2017-11-15 09:04:15 -06:00
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},
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});
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const disconnect = () => {
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if (subscription) {
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subscription.close();
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}
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2018-05-27 12:42:45 -05:00
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2017-11-15 09:04:15 -06:00
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clearPolling();
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};
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return disconnect;
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};
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}
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2017-04-14 19:32:42 -05:00
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export default function getStream(streamingAPIBaseURL, accessToken, stream, { connected, received, disconnected, reconnected }) {
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2020-01-21 11:57:21 -06:00
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const params = stream.split('&');
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stream = params.shift();
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if (streamingAPIBaseURL.startsWith('ws')) {
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params.unshift(`stream=${stream}`);
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const ws = new WebSocketClient(`${streamingAPIBaseURL}/api/v1/streaming/?${params.join('&')}`, accessToken);
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ws.onopen = connected;
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ws.onmessage = e => received(JSON.parse(e.data));
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ws.onclose = disconnected;
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ws.onreconnect = reconnected;
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return ws;
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}
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2020-01-24 13:51:33 -06:00
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stream = stream.replace(/:/g, '/');
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2020-01-21 11:57:21 -06:00
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params.push(`access_token=${accessToken}`);
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const es = new EventSource(`${streamingAPIBaseURL}/api/v1/streaming/${stream}?${params.join('&')}`);
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let firstConnect = true;
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es.onopen = () => {
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if (firstConnect) {
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firstConnect = false;
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connected();
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} else {
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reconnected();
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}
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};
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for (let type of knownEventTypes) {
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es.addEventListener(type, (e) => {
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received({
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event: e.type,
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payload: e.data,
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});
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});
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}
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es.onerror = disconnected;
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2017-02-03 17:34:31 -06:00
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2020-01-21 11:57:21 -06:00
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return es;
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2017-02-03 17:34:31 -06:00
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};
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