Is there a way to retrieve the list of Facebook users that have clicked the like button on an external website?
- E.g. there is a domain example.com which has been confirmed via Facebook Insights to belong to fbUser1 (using OG meta tags).
- Somewhere on example.com there is a page with multiple XFBL like buttons, each one pointing to a further specific URL on example.com, e.g. example.com/xyz, example.com/abc etc.
What I'd like to get is the list of users that liked example.com/xyz and of those who liked example.com/abc.
My intuitive approach would be to look at graph.facebook.com/123456789/likes (where the number is the ID of the domain taken from FB insights), but this always returns an empty dataset:
{
"data": [
]
}
I've also tried getting an OAuth access token from https://graph.facebook.com/oauth/access_token?type=client_cred&client_id=APPID&client_secret=APPSECRET (where APPID and APPSECRET are taken from a FB application that is marked as owning the domain using OG meta tags), but that makes no difference.
I'd also be interested in a non-OpenGraph (i.e. JS SDK, FQL etc.) solution.
EDIT: Using the following code (according to WideBlade's answer below) still gives me an empty list of likes (the second query never returns):
var objectsQuery = "select id from object_url where url in ('http://example.com/xyz', 'http://example.com/abc', 'http://example.com/123')";
var likesQuery = "select object_id from like where object_id = {0}";
FB.Data.query(objectsQuery).wait(function (objectRows) {
console.log(objectRows);
FB.Array.forEach(objectRows, function (objectRow) {
FB.Data.query(likesQuery, objectRow.object_id).wait(function (likeRows) {
console.log(likeRows);
})
});
});