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quickstart.html
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quickstart.html
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<!DOCTYPE html>
<html>
<head>
<title>YouTube Data API Quickstart</title>
<meta charset='utf-8' />
</head>
<body>
<p>YouTube Data API Quickstart</p>
<!--Add buttons to initiate auth sequence and sign out-->
<button id="authorize-button" style="display: none;">Authorize</button>
<button id="signout-button" style="display: none;">Sign Out</button>
<pre id="content"></pre>
<script type="text/javascript">
// Client ID and API key from the Developer Console
var CLIENT_ID = '954501781389-hi2vkbjmjgnbfpngjfebskp5hhagt3dc.apps.googleusercontent.com';
// Array of API discovery doc URLs for APIs used by the quickstart
var DISCOVERY_DOCS = ["https://www.googleapis.com/discovery/v1/apis/youtube/v3/rest"];
// Authorization scopes required by the API. If using multiple scopes,
// separated them with spaces.
var SCOPES = 'https://www.googleapis.com/auth/youtube.readonly';
var authorizeButton = document.getElementById('authorize-button');
var signoutButton = document.getElementById('signout-button');
/**
* On load, called to load the auth2 library and API client library.
*/
function handleClientLoad() {
gapi.load('client:auth2', initClient);
}
/**
* Initializes the API client library and sets up sign-in state
* listeners.
*/
function initClient() {
gapi.client.init({
discoveryDocs: DISCOVERY_DOCS,
clientId: CLIENT_ID,
scope: SCOPES
}).then(function () {
// Listen for sign-in state changes.
gapi.auth2.getAuthInstance().isSignedIn.listen(updateSigninStatus);
// Handle the initial sign-in state.
updateSigninStatus(gapi.auth2.getAuthInstance().isSignedIn.get());
authorizeButton.onclick = handleAuthClick;
signoutButton.onclick = handleSignoutClick;
});
}
/**
* Called when the signed in status changes, to update the UI
* appropriately. After a sign-in, the API is called.
*/
function updateSigninStatus(isSignedIn) {
if (isSignedIn) {
authorizeButton.style.display = 'none';
signoutButton.style.display = 'block';
getChannel();
} else {
authorizeButton.style.display = 'block';
signoutButton.style.display = 'none';
}
}
/**
* Sign in the user upon button click.
*/
function handleAuthClick(event) {
gapi.auth2.getAuthInstance().signIn();
}
/**
* Sign out the user upon button click.
*/
function handleSignoutClick(event) {
gapi.auth2.getAuthInstance().signOut();
}
/**
* Append text to a pre element in the body, adding the given message
* to a text node in that element. Used to display info from API response.
*
* @param {string} message Text to be placed in pre element.
*/
function appendPre(message) {
var pre = document.getElementById('content');
var textContent = document.createTextNode(message + '\n');
pre.appendChild(textContent);
}
/**
* Print files.
*/
function getChannel() {
gapi.client.youtube.channels.list({
'part': 'snippet,contentDetails,statistics',
'forUsername': 'GoogleDevelopers'
}).then(function(response) {
var channel = response.result.items[0];
appendPre('This channel\'s ID is ' + channel.id + '. ' +
'Its title is \'' + channel.snippet.title + ', ' +
'and it has ' + channel.statistics.viewCount + ' views.');
});
}
</script>
<script async defer src="https://apis.google.com/js/api.js"
onload="this.onload=function(){};handleClientLoad()"
onreadystatechange="if (this.readyState === 'complete') this.onload()">
</script>
</body>
</html>