jiti-meet/react/features/google-api/googleApi.native.js

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// @flow
import { NativeModules } from 'react-native';
let GoogleSignin;
if (NativeModules.RNGoogleSignin) {
GoogleSignin = require('react-native-google-signin').GoogleSignin;
}
import {
API_URL_BROADCAST_STREAMS,
API_URL_LIVE_BROADCASTS
} from './constants';
/**
* Class to encapsulate Google API functionalities and provide a similar
* interface to what WEB has. The methods are different, but the point is that
* the export object is similar so no need for different export logic.
*
* For more detailed documentation of the {@code GoogleSignin} API, please visit
* https://github.com/react-native-community/react-native-google-signin.
*/
class GoogleApi {
/**
* Wraps the {@code GoogleSignin.configure} method.
*
* @param {Object} config - The config object to be passed to
* {@code GoogleSignin.configure}.
* @returns {void}
*/
configure(config: Object) {
if (GoogleSignin) {
GoogleSignin.configure(config);
}
}
/**
* Retrieves the available YouTube streams the user can use for live
* streaming.
*
* @param {string} accessToken - The Google auth token.
* @returns {Promise}
*/
getYouTubeLiveStreams(accessToken: string): Promise<*> {
return new Promise((resolve, reject) => {
// Fetching the list of available broadcasts first.
this._fetchGoogleEndpoint(accessToken,
API_URL_LIVE_BROADCASTS)
.then(broadcasts => {
// Then fetching all the available live streams that the
// user has access to with the broadcasts we retreived
// earlier.
this._getLiveStreamsForBroadcasts(
accessToken, broadcasts).then(resolve, reject);
}, reject);
});
}
/**
* Wraps the {@code GoogleSignin.hasPlayServices} method.
*
* @returns {Promise<*>}
*/
hasPlayServices() {
if (!GoogleSignin) {
return Promise.reject(new Error('Google SignIn not supported'));
}
return GoogleSignin.hasPlayServices();
}
/**
* Wraps the {@code GoogleSignin.signIn} method.
*
* @returns {Promise<*>}
*/
signIn() {
return GoogleSignin.signIn();
}
/**
* Wraps the {@code GoogleSignin.signInSilently} method.
*
* @returns {Promise<*>}
*/
signInSilently() {
return GoogleSignin.signInSilently();
}
/**
* Wraps the {@code GoogleSignin.signOut} method.
*
* @returns {Promise<*>}
*/
signOut() {
return GoogleSignin.signOut();
}
/**
* Helper method to fetch a Google API endpoint in a generic way.
*
* @private
* @param {string} accessToken - The access token used for the API call.
* @param {string} endpoint - The endpoint to fetch, including the URL
* params if needed.
* @returns {Promise}
*/
_fetchGoogleEndpoint(accessToken, endpoint): Promise<*> {
return new Promise((resolve, reject) => {
const headers = {
Authorization: `Bearer ${accessToken}`
};
fetch(endpoint, {
headers
}).then(response => response.json())
.then(responseJSON => {
if (responseJSON.error) {
reject(responseJSON.error.message);
} else {
resolve(responseJSON.items || []);
}
}, reject);
});
}
/**
* Retrieves the available YouTube streams that are available for the
* provided broadcast IDs.
*
* @private
* @param {string} accessToken - The Google access token.
* @param {Array<Object>} broadcasts - The list of broadcasts that we want
* to retreive streams for.
* @returns {Promise}
*/
_getLiveStreamsForBroadcasts(accessToken, broadcasts): Promise<*> {
return new Promise((resolve, reject) => {
const ids = [];
for (const broadcast of broadcasts) {
broadcast.contentDetails
&& broadcast.contentDetails.boundStreamId
&& ids.push(broadcast.contentDetails.boundStreamId);
}
this._fetchGoogleEndpoint(
accessToken,
`${API_URL_BROADCAST_STREAMS}${ids.join(',')}`)
.then(streams => {
const keys = [];
// We construct an array of keys bind with the broadcast
// name for a nice display.
for (const stream of streams) {
const key = stream.cdn.ingestionInfo.streamName;
let title;
// Finding title from the broadcast with the same
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// boundStreamId. If not found (unknown scenario), we
// use the key as title again.
for (const broadcast of broadcasts) {
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if (broadcast.contentDetails
&& broadcast.contentDetails.boundStreamId
=== stream.id) {
title = broadcast.snippet.title;
}
}
keys.push({
key,
title: title || key
});
}
resolve(keys);
}, reject);
});
}
}
export default new GoogleApi();