Get Facebook Profile picture at Sign-up for Parse backend (Swift) - ios

Question

I'm creating an application with Parse as backend service. My users should be able to sign-up and login via Facebook.
I did this in the following (works absolutely fine).
#IBAction func registerWithFacebook(sender: UIButton) {
let permissions:[String] = ["user_about_me","user_relationships", "public_profile"]
PFFacebookUtils.logInWithPermissions(permissions, {
(user: PFUser!, error: NSError!) -> Void in
if user == nil {
NSLog("Uh oh. The user cancelled the Facebook login.")
} else if user.isNew {
NSLog("User signed up and logged in through Facebook!")
self.loadData()
self.performSegueWithIdentifier("initialToMain", sender: self)
} else {
NSLog("User logged in through Facebook!")
self.performSegueWithIdentifier("initialToMain", sender: self)
}
})
}
func loadData(){
let request:FBRequest = FBRequest.requestForMe()
request.startWithCompletionHandler { (connection:FBRequestConnection!, result:AnyObject!, error:NSError!) -> Void in
if error == nil{
if let dict = result as? Dictionary<String, AnyObject>{
let name:String = dict["name"] as AnyObject? as String
let email:String = dict["email"] as AnyObject? as String
println(name)
PFUser.currentUser().setValue(name, forKey: "username")
PFUser.currentUser().setValue(email, forKey: "email")
PFUser.currentUser().save()
}
}
}
}
Unfortunately I wasn't able to get the profile picture from the user who's signing up. How can I do that?

Answer 1

The picture is publicly available via the user id at the following url:
https://graph.facebook.com/USER_ID/picture
You can also request various sizes:
https://graph.facebook.com/USER_ID/picture?width=300&height=300

Answer 2

Here's the working solution:
func loadData(){
let request:FBRequest = FBRequest.requestForMe()
request.startWithCompletionHandler { (connection:FBRequestConnection!, result:AnyObject!, error:NSError!) -> Void in
if error == nil{
if let dict = result as? Dictionary<String, AnyObject>{
let name:String = dict["name"] as AnyObject? as String
let facebookID:String = dict["id"] as AnyObject? as String
let email:String = dict["email"] as AnyObject? as String
let pictureURL = "https://graph.facebook.com/\(facebookID)/picture?type=large&return_ssl_resources=1"
var URLRequest = NSURL(string: pictureURL)
var URLRequestNeeded = NSURLRequest(URL: URLRequest!)
NSURLConnection.sendAsynchronousRequest(URLRequestNeeded, queue: NSOperationQueue.mainQueue(), completionHandler: {(response: NSURLResponse!,data: NSData!, error: NSError!) -> Void in
if error == nil {
var picture = PFFile(data: data)
PFUser.currentUser().setObject(picture, forKey: "profilePicture")
PFUser.currentUser().saveInBackground()
}
else {
println("Error: \(error.localizedDescription)")
}
})
PFUser.currentUser().setValue(name, forKey: "username")
PFUser.currentUser().setValue(email, forKey: "email")
PFUser.currentUser().saveInBackground()
}
}
}
}