LINKING FACEBOOK TO PARSE USER:
I have tried to link Facebook with the parse user to be able to bring up a list of their friends that are also on SurfMe. I have been close to completing this, I managed to get one user signed up to Facebook and link it to their account however I was then not able to load friends or access anything on the facebook account. Since this project’s deadline is Friday 15th January, I am going to leave this and instead use the ‘Friends’ tab to bring up all the Users from Parse so the User is still able to compare their statistics against others.
Facebook Code (unfinished):
Parse.initialize("KEY", "KEY");
// This is called with the results from from FB.getLoginStatus().
function statusChangeCallback(response) {
console.log('statusChangeCallback');
console.log(response);
// The response object is returned with a status field that lets the
// app know the current login status of the person.
// Full docs on the response object can be found in the documentation
// for FB.getLoginStatus().
if (response.status === 'connected') {
// Logged into your app and Facebook.
testAPI();
} else if (response.status === 'not_authorized') {
// The person is logged into Facebook, but not your app.
document.getElementById('status').innerHTML = 'Please log ' +
'into this app.';
} else {
// The person is not logged into Facebook, so we're not sure if
// they are logged into this app or not.
document.getElementById('status').innerHTML = 'Please log ' +
'into Facebook.';
}
}
// This function is called when someone finishes with the Login
// Button. See the onlogin handler attached to it in the sample
// code below.
function checkLoginState() {
FB.getLoginStatus(function(response) {
statusChangeCallback(response);
});
}
window.fbAsyncInit = function() {
FB.init({
appId : 'KEY',
cookie : true, // enable cookies to allow the server to access
// the session
xfbml : true, // parse social plugins on this page
version : 'v2.2' // use version 2.2
});
// Now that we've initialized the JavaScript SDK, we call
// FB.getLoginStatus(). This function gets the state of the
// person visiting this page and can return one of three states to
// the callback you provide. They can be:
//
// 1. Logged into your app ('connected')
// 2. Logged into Facebook, but not your app ('not_authorized')
// 3. Not logged into Facebook and can't tell if they are logged into
// your app or not.
//
// These three cases are handled in the callback function.
FB.getLoginStatus(function(response) {
statusChangeCallback(response);
});
// 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/sdk.js";
fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));
// Here we run a very simple test of the Graph API after login is
// successful. See statusChangeCallback() for when this call is made.
function testAPI() {
console.log('Welcome! Fetching your information.... ');
FB.api('/me', function(response) {
console.log('Successful login for: ' + response.name);
document.getElementById('status').innerHTML =
'Thanks for logging in, ' + response.name + '!';
});
FB.api(
'/me',
'GET',
{"fields":"id,name,friends{id,name,installed}"},
function(response) {
console.log(response);
}
);
$(document).ready(function(){
var currentUser = Parse.User.current();
$('#fb-link').on('click', function(e){
if (!Parse.FacebookUtils.isLinked(currentUser)) {
Parse.FacebookUtils.link(currentUser, null, {
success: function(user) {
alert("Woohoo, user logged in with Facebook!");
},
error: function(user, error) {
alert("User cancelled the Facebook login or did not fully authorize.");
}
});
}
});
$('#fb-unlink').on('click', function(e){
e.preventDefault();
FB.logout(function(response) {
// Person is now logged out
document.getElementById('status').innerHTML =
'Thanks for visiting, you are signed out';
});
});
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