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index.php
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<?php
/**
* This sample app is provided to kickstart your experience using Facebook's
* resources for developers. This sample app provides examples of several
* key concepts, including authentication, the Graph API, and FQL (Facebook
* Query Language). Please visit the docs at 'developers.facebook.com/docs'
* to learn more about the resources available to you
*/
// Provides access to app specific values such as your app id and app secret.
// Defined in 'AppInfo.php'
require_once('AppInfo.php');
// Enforce https on production
if (substr(AppInfo::getUrl(), 0, 8) != 'https://' && $_SERVER['REMOTE_ADDR'] != '127.0.0.1') {
header('Location: https://'. $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
exit();
}
// This provides access to helper functions defined in 'utils.php'
require_once('utils.php');
/*****************************************************************************
*
* The content below provides examples of how to fetch Facebook data using the
* Graph API and FQL. It uses the helper functions defined in 'utils.php' to
* do so. You should change this section so that it prepares all of the
* information that you want to display to the user.
*
****************************************************************************/
require_once('sdk/src/facebook.php');
$facebook = new Facebook(array(
'appId' => AppInfo::appID(),
'secret' => AppInfo::appSecret(),
));
$user_id = $facebook->getUser();
if ($user_id) {
try {
// Fetch the viewer's basic information
$basic = $facebook->api('/me');
} catch (FacebookApiException $e) {
// If the call fails we check if we still have a user. The user will be
// cleared if the error is because of an invalid accesstoken
if (!$facebook->getUser()) {
header('Location: '. AppInfo::getUrl($_SERVER['REQUEST_URI']));
exit();
}
}
//I added this to be a boolean to manage if we are on a reading page or not.
if (isset($_GET['read'])) {
$reading = true;
} else {
$reading = false;
}
//I added this to be a boolean to manage if we are on the submission page or not.
if (isset($_GET['submit'])) {
$submitting = true;
} else {
$submitting = false;
}
// This fetches some things that you like . 'limit=*" only returns * values.
// To see the format of the data you are retrieving, use the "Graph API
// Explorer" which is at https://developers.facebook.com/tools/explorer/
$likes = idx($facebook->api('/me/likes?limit=4'), 'data', array());
// This fetches 4 of your friends.
$friends = idx($facebook->api('/me/friends?limit=8'), 'data', array());
// And this returns 16 of your photos.
$photos = idx($facebook->api('/me/photos?limit=16'), 'data', array());
// Here is an example of a FQL call that fetches all of your friends that are
// using this app
$app_using_friends = $facebook->api(array(
'method' => 'fql.query',
'query' => 'SELECT uid, name FROM user WHERE uid IN(SELECT uid2 FROM friend WHERE uid1 = me()) AND is_app_user = 1'
));
// We will need to make variables like the ones above to gather our data from our database
}
// Fetch the basic info of the app that they are using
$app_info = $facebook->api('/'. AppInfo::appID());
$app_name = idx($app_info, 'name', '');
?>
<!DOCTYPE html>
<html xmlns:fb="http://ogp.me/ns/fb#" lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=2.0, user-scalable=yes" />
<title><?php echo he($app_name); ?></title>
<link rel="stylesheet" href="stylesheets/screen.css" media="Screen" type="text/css" />
<link rel="stylesheet" href="stylesheets/mobile.css" media="handheld, only screen and (max-width: 480px), only screen and (max-device-width: 480px)" type="text/css" />
<!--[if IEMobile]>
<link rel="stylesheet" href="mobile.css" media="screen" type="text/css" />
<![endif]-->
<!-- These are Open Graph tags. They add meta data to your -->
<!-- site that facebook uses when your content is shared -->
<!-- over facebook. You should fill these tags in with -->
<!-- your data. To learn more about Open Graph, visit -->
<!-- 'https://developers.facebook.com/docs/opengraph/' -->
<meta property="og:title" content="<?php echo he($app_name); ?>" />
<meta property="og:type" content="website" />
<meta property="og:url" content="<?php echo AppInfo::getUrl(); ?>" />
<meta property="og:image" content="<?php echo AppInfo::getUrl('/logo.png'); ?>" />
<meta property="og:site_name" content="<?php echo he($app_name); ?>" />
<meta property="og:description" content="My first app" />
<meta property="fb:app_id" content="<?php echo AppInfo::appID(); ?>" />
<script type="text/javascript" src="/javascript/jquery-1.7.1.min.js"></script>
<script type="text/javascript">
function logResponse(response) {
if (console && console.log) {
console.log('The response was', response);
}
}
$(function(){
// Set up so we handle click on the buttons
$('#postToWall').click(function() {
FB.ui(
{
method : 'feed',
link : $(this).attr('data-url')
},
function (response) {
// If response is null the user canceled the dialog
if (response != null) {
logResponse(response);
}
}
);
});
$('#sendToFriends').click(function() {
FB.ui(
{
method : 'send',
link : $(this).attr('data-url')
},
function (response) {
// If response is null the user canceled the dialog
if (response != null) {
logResponse(response);
}
}
);
});
$('#sendRequest').click(function() {
FB.ui(
{
method : 'apprequests',
message : $(this).attr('data-message')
},
function (response) {
// If response is null the user canceled the dialog
if (response != null) {
logResponse(response);
}
}
);
});
});
</script>
<!--[if IE]>
<script type="text/javascript">
var tags = ['header', 'section'];
while(tags.length)
document.createElement(tags.pop());
</script>
<![endif]-->
</head>
<body>
<div id="fb-root"></div>
<script type="text/javascript">
window.fbAsyncInit = function() {
FB.init({
appId : '<?php echo AppInfo::appID(); ?>', // App ID
channelUrl : '//<?php echo $_SERVER["HTTP_HOST"]; ?>/channel.html', // Channel File
status : true, // check login status
cookie : true, // enable cookies to allow the server to access the session
xfbml : true // parse XFBML
});
// Listen to the auth.login which will be called when the user logs in
// using the Login button
FB.Event.subscribe('auth.login', function(response) {
// We want to reload the page now so PHP can read the cookie that the
// Javascript SDK sat. But we don't want to use
// window.location.reload() because if this is in a canvas there was a
// post made to this page and a reload will trigger a message to the
// user asking if they want to send data again.
window.location = window.location;
});
FB.Canvas.setAutoGrow();
};
// Load the SDK Asynchronously
(function(d, s, id) {
var js, fjs = d.getElementsByTagName(s)[0];
if (d.getElementById(id)) return;
js = d.createElement(s); js.id = id;
js.src = "//connect.facebook.net/en_US/all.js";
fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));
</script>
<header class="clearfix">
<?php if (isset($basic)) { ?>
<p id="picture" style="background-image: url(https://graph.facebook.com/<?php echo he($user_id); ?>/picture?type=normal)"></p>
<div>
<h1>Welcome to <a href="https://severe-fire-3252.herokuapp.com/">LitShare</a>, <strong><?php echo he(idx($basic, 'name')); ?></strong></h1>
<p class="tagline">
An app by Wing Kuang and Nick Kish.
</p>
<div id="share-app">
<p>Share our app:</p>
<ul>
<li>
<a href="#" class="facebook-button" id="postToWall" data-url="<?php echo AppInfo::getUrl(); ?>">
<span class="plus">Post to Wall</span>
</a>
</li>
<li>
<a href="#" class="facebook-button speech-bubble" id="sendToFriends" data-url="<?php echo AppInfo::getUrl(); ?>">
<span class="speech-bubble">Send Message</span>
</a>
</li>
<li>
<a href="#" class="facebook-button apprequests" id="sendRequest" data-message="Test this awesome app">
<span class="apprequests">Send Requests</span>
</a>
</li>
</ul>
</div>
</div>
<?php } else { ?>
<div>
<h1>Welcome to <a href="https://severe-fire-3252.herokuapp.com/">LitShare</a>, please log in.</h1>
<div class="fb-login-button" data-scope="user_likes,user_photos"></div>
</div>
<?php } ?>
</header>
<!-- Starts the information that is shown when a user is logged in -->
<?php
if ($user_id) {
?>
<!-- If the user has selected a story, then said story will be displayed via the code bellow -->
<?php
if ($reading){
?>
<section id="get-started">
<p>Misc. Story by Misc. Author</p>
</section>
<section id="samples">
<sl class = "story">
The text of the story will be output in this area here.
</sl>
</section>
<!-- Or if they are trying to submit their own work, we give them the chance to do so -->
<?php
} elseif ($submitting) {
?>
<section id="get-started">
<p>Thank you for contributing to our community!</p>
<a href="https://severe-fire-3252.herokuapp.com/" target="_top" class="button">View other stories</a>
</section>
<section id="samples">
<sl class="submission">
<!-- Test code for submission form -->
<form action="upload_file.php" method="post" enctype="multipart/form-data">
<label for="file">Filename:</label>
<input type="file" name="file" id="file" />
<br />
<input type="submit" name="submit" value="Submit" />
</form>
</sl>
</samples>
<!-- Otherwise we give them a chance to choose a story -->
<?php
} else {
?>
<section id="get-started">
<p>Help us expand our community!</p>
<a href="https://severe-fire-3252.herokuapp.com/?submit=true" target="_top" class="button">Submit your own story</a>
</section>
<section id="samples" class="clearfix">
<h1>Check out some of our stories:</h1>
<!-- Immediately bellow is my addition for a story column -->
<div class="list">
<h3>Most Popular Stories</h3>
<sl class="friends">
<!-- Change for loop for our added top stories list -->
<?php
foreach ($friends as $friend) {
// Extract the pieces of info we need from the requests above
$id = idx($friend, 'id');
$name = idx($friend, 'name');
?>
<sy>
<?php
$authorship = "\r\n by "
?>
<a href = "https://severe-fire-3252.herokuapp.com/?read=true">
A Story
<?php echo he($authorship); ?>
an Author
</a>
</sy>
<?php
}
?>
</sl>
</div>
<div class="list">
<h3>Newest Stories</h3>
<sl class="friends">
<!-- Change for loop for our added top stories list -->
<?php
foreach ($friends as $friend) {
// Extract the pieces of info we need from the requests above
$id = idx($friend, 'id');
$name = idx($friend, 'name');
?>
<sy>
<?php
$authorship = "\r\n by "
?>
<a href = "https://severe-fire-3252.herokuapp.com/?read=true">
A Story
<?php echo he($authorship); ?>
an Author
</a>
</sy>
<?php
}
?>
</sl>
</div>
<div class="list">
<h3>Friends' Stories</h3>
<sl class="friends">
<!-- Change for loop for our added top stories list -->
<?php
foreach ($friends as $friend) {
// Extract the pieces of info we need from the requests above
$id = idx($friend, 'id');
$name = idx($friend, 'name');
?>
<sy>
<?php
$authorship = "\r\n by "
?>
<a href = "https://severe-fire-3252.herokuapp.com/?read=true">
A Story
<?php echo he($authorship); ?>
an Author
</a>
</sy>
<?php
}
?>
</sl>
</div>
<div class="list">
<h3>Your Stories</h3>
<sl class="friends">
<!-- Change for loop for our added top stories list -->
<?php
foreach ($friends as $friend) {
// Extract the pieces of info we need from the requests above
$id = idx($friend, 'id');
$name = idx($friend, 'name');
?>
<sy>
<?php
$authorship = "\r\n by "
?>
<a href = "https://severe-fire-3252.herokuapp.com/?read=true">
A Story
<?php echo he($authorship); ?>
an Author
</a>
</sy>
<?php
}
?>
</sl>
</div>
</section>
<section id="samples" class="clearfix">
<h1>Here are some of our authors:</h1>
<!-- Immediately bellow is our author display section -->
<div class="list">
<h3>Popular Authors</h3>
<ul class="friends">
<?php
foreach ($friends as $friend) {
// Extract the pieces of info we need from the requests above
$id = idx($friend, 'id');
$name = idx($friend, 'name');
?>
<li>
<a href="https://www.facebook.com/<?php echo he($id); ?>" target="_top">
<img src="https://graph.facebook.com/<?php echo he($id) ?>/picture?type=square" alt="<?php echo he($name); ?>">
<?php echo he($name); ?>
</a>
</li>
<?php
}
?>
</ul>
</div>
<div class="list inline">
<h3>New Authors</h3>
<ul class="photos">
<?php
$i = 0;
foreach ($photos as $photo) {
// Extract the pieces of info we need from the requests above
$id = idx($photo, 'id');
$picture = idx($photo, 'picture');
$link = idx($photo, 'link');
$class = ($i++ % 4 === 0) ? 'first-column' : '';
?>
<li style="background-image: url(<?php echo he($picture); ?>);" class="<?php echo $class; ?>">
<a href="<?php echo he($link); ?>" target="_top"></a>
</li>
<?php
}
?>
</ul>
</div>
<div class="list">
<h3>Authors you Know</h3>
<ul class="things">
<?php
foreach ($likes as $like) {
// Extract the pieces of info we need from the requests above
$id = idx($like, 'id');
$item = idx($like, 'name');
// This display's the object that the user liked as a link to
// that object's page.
?>
<li>
<a href="https://www.facebook.com/<?php echo he($id); ?>" target="_top">
<img src="https://graph.facebook.com/<?php echo he($id) ?>/picture?type=square" alt="<?php echo he($item); ?>">
<?php echo he($item); ?>
</a>
</li>
<?php
}
?>
</ul>
</div>
<div class="list">
<h3>Friends using this app</h3>
<ul class="friends">
<?php
foreach ($app_using_friends as $auf) {
// Extract the pieces of info we need from the requests above
$id = idx($auf, 'uid');
$name = idx($auf, 'name');
?>
<li>
<a href="https://www.facebook.com/<?php echo he($id); ?>" target="_top">
<img src="https://graph.facebook.com/<?php echo he($id) ?>/picture?type=square" alt="<?php echo he($name); ?>">
<?php echo he($name); ?>
</a>
</li>
<?php
}
?>
<?php
}
?>
</ul>
</div>
</section>
An app by Wing Kuang and Nick Kish.
<!-- This spot closes the "login needed" information and starts my changes for a "logout needed" area-->
<?php
} else { ?>
<section id="get-started">
<p>Welcome to LitShare:</p>
<p>a place for authors to share their short works.</p>
</section>
<section id="samples">
<sl class = "story">
We will put a description of our app in this space here.
</sl>
</section>
<?php } ?>
<!-- Anything after this point is shown both while logged in and while logged out (below the other information) -->
<!--
<section id="guides" class="clearfix">
<h1>Learn More About Heroku & Facebook Apps</h1>
<ul>
<li>
<a href="https://www.heroku.com/?utm_source=facebook&utm_medium=app&utm_campaign=fb_integration" target="_top" class="icon heroku">Heroku</a>
<p>Learn more about <a href="https://www.heroku.com/?utm_source=facebook&utm_medium=app&utm_campaign=fb_integration" target="_top">Heroku</a>, or read developer docs in the Heroku <a href="https://devcenter.heroku.com/" target="_top">Dev Center</a>.</p>
</li>
<li>
<a href="https://developers.facebook.com/docs/guides/web/" target="_top" class="icon websites">Websites</a>
<p>
Drive growth and engagement on your site with
Facebook Login and Social Plugins.
</p>
</li>
<li>
<a href="https://developers.facebook.com/docs/guides/mobile/" target="_top" class="icon mobile-apps">Mobile Apps</a>
<p>
Integrate with our core experience by building apps
that operate within Facebook.
</p>
</li>
<li>
<a href="https://developers.facebook.com/docs/guides/canvas/" target="_top" class="icon apps-on-facebook">Apps on Facebook</a>
<p>Let users find and connect to their friends in mobile apps and games.</p>
</li>
</ul>
</section>
-->
</body>
</html>