Use Facebook profile picture as you profile picture Swift - swift

Question

I am getting facebook's profile picture and displaying it as the profile picture in my app. Here is the code.
if let user = FIRAuth.auth()?.currentUser{
let photoUrl = user.photoURL
let name = user.displayName
self.FacebookUser.text = name
let storage = FIRStorage.storage()
//refer your particular storage service
let storageRef = storage.reference(forURL: "gs://gsignme-14416.appspot.com")
let profilePicRef = storageRef.child(user.uid+"/profile_pic.jpg")
profilePicRef.data(withMaxSize: 1 * 1024 * 1024, completion: { (data, error) -> Void in
if (error == nil){
self.FacebookPic.image = UIImage(data: data!)
}else{
print("Error downloading image:" )
}
})
if(self.FacebookPic.image == nil)
{
var profilePic = FBSDKGraphRequest(graphPath: "me/picture", parameters: ["height": 300, "width": 300, "redirect": false], httpMethod: "GET")
profilePic?.start(completionHandler: {(_ connection, result, error) -> Void in
// Handle the result
if error == nil {
if let dictionary = result as? [String: Any],
let data = dictionary["data"] as? [String:Any],
let urlPic = data["url"] as? String{
if let imageData = NSData(contentsOf: NSURL(string: urlPic)!as URL){
let uploadTask = profilePicRef.put(imageData as Data, metadata: nil) {
metadata, error in
if (error == nil)
{
let downloadurl = metadata!.downloadURL
}
else
{
print("Error in downloading image")
}
}
self.FacebookPic.image = UIImage(data: imageData as Data)
}}}})}
}else{
}
//The END of the Facebook user and picture code
I was able to get it working for a couple days and now it doesn't work anymore, I have gone through it line by line and I honestly can't figure out why it is not working.

Answer 1

I used this code:
func pictureFromFirebase(loginMethod: Int)
{
if loginMethod == 0 //FB
{
var profilePic = FBSDKGraphRequest(graphPath: "me/picture", parameters: ["height":300, "width":300, "redirect":false], httpMethod: "GET")
let profilePicRef = storageRef.child((user?.uid)!+"/profile_pic.jpg")
profilePicRef.data(withMaxSize: 1 * 1024 * 1024) { data, error in
if let error = error {
// Uh-oh, an error occurred!
// but we don't need to do anything yet. Try to download the profile pic
}
if (data != nil)
{
print("no need to download image from facebook")
self.profileImage.image = UIImage (data: data!)
}
else
{
// THIS IS THE BLOCK THAT HAS BEEN MOVED
// WHICH WILL NOW BE EXECUTED IN TWO CONDITIONS -
// 1. AN ERROR IN THE DOWNLOAD
// 2. NO PROFILE PIC AVAILABLE
print("downloading image from facebook")
profilePic?.start(completionHandler: {(_ connection, _ result, _ error) -> Void in
if (error == nil)
{
if let dictionary = result as? [String:Any], let data = dictionary["data"] as? [String:Any],
let urlPic = data["url"] as? String {
if let imageData = NSData(contentsOf: NSURL(string: urlPic)! as URL)
{
let uploadTask = profilePicRef.put(imageData as Data, metadata: nil){
metadata, error in
if (error == nil)
{
let downloadUrl = metadata!.downloadURL
}
else
{
print("error in downloading image")
}
}
self.profileImage.image = UIImage(data: imageData as Data)
}
}
}
})
}
}
}
}
from this post Second If statement gets called before first statement finished in one function and it worked

Answer 2

you just get your facebook profile pic. using this url and put the url in your UIImageview
let profilepicURl = "https://graph.facebook.com/\(user_id_fb)/picture?type=large" //user_id_fb like 1251246454544 your facebook ID