Swift: Update Parse User (PFUser) and save image to it after new registration

Question

I have been banging my head since yesterday. I have fetch profile picture from facebook and want to save it to parse. But I am stuck. I tried solution from this

How to update Parse user information in Swift?

That did not solved my case.

Updating user in Parse.com using Swift IOS8

I dont think this is the case, since I have just logged in. and my view changes too.

here's my code.

func updateCurrentUserProfilePicture(image: UIImage) {
        let currentUser = PFUser.currentUser()
        let id = currentUser?.objectId
        let data = UIImagePNGRepresentation(image)
        var query = PFUser.query()

        query!.getObjectInBackgroundWithId(id!) {
            (user: PFObject?, error: NSError?) -> Void in
            if error != nil {
                print(error)
            } else if let usr = user {
                // usr.setObject(data!, forKey: "image")
                usr["image"] = data!
                usr.saveInBackgroundWithBlock({ (result: Bool, error: NSError?) in
                    if error == nil {
                            self.delegate?.didUpdateProfilePictureWithResult!(true, error: error)
                    }else {
                        self.delegate?.didUpdateProfilePictureWithResult!(false, error: error)
                    }

                })
            }
        }
    }

I can see that didUpdateProfilePictureWithResult delegate is called with success. But when I go to back4app.com, I can see the user row but not the image column. And I dont see any error too.

What am I missing here?

Update I tried to save in in the console. It saved without any error.

**expression do { try usr.save()} catch { print(error)}**
2016-06-10 17:29:32.264 GeofenceMe2[39334:91037] Warning: A long-running operation is being executed on the main thread. 
 Break on warnBlockingOperationOnMainThread() to debug.
NilError

but still no image column in my dashboaard

there is no `usr` variable decleration in your code. where does it come from — Shubhank, Jun 10 '16 at 11:14
sorry my bad. try logging in the user in the console right in the code and see if it has the image property — Shubhank, Jun 10 '16 at 11:28
I can see usr as '(PFUser) $R0 = 0x7ae5b9d0 { PFObject = { .... ' in debugger — Ccr, Jun 10 '16 at 11:29
well. when i put debugger in third line, i can see the image is there. expression image (UIImage) $R1 = 0x79e44560 { ObjectiveC.NSObject = {} } — Ccr, Jun 10 '16 at 11:36

score 2 · Accepted Answer · answered Jun 10 '16 at 13:49

You cannot save NSData to parse. Checkout the valid data types here: https://parse.com/docs/ios/guide#objects-data-types.

You are querying for the user object using the same user object. You can just use PFUser.currentUser().

func updateCurrentUserProfilePicture(image: UIImage) {
    let avatar = PFFile(name: PFUser.currentUser()!.username, data: UIImagePNGRepresentation(image)!)
    PFUser.currentUser()!.setObject(avatar!, forKey: "avatar")
    PFUser.currentUser()!.saveInBackgroundWithBlock { (success: Bool, error: NSError?) in

    }
}

score 0 · Answer 2 · answered Dec 07 '22 at 19:22

For Swift 5.x (based in above answer by @Santhosh):

func updateCurrentUserProfilePicture(profileImage: UIImage) {

    guard let currentUser = PFUser.current(), let profileImgPngData = profileImage.pngData() else {
            return
    }

    let avatar = PFFileObject(name: PFUser.current()!.username, data: profileImgPngData)

    currentUser.setObject(avatar!, forKey: "profile_image")
    currentUser.saveInBackground { success, error in
        print(success, error as Any)
    }
}

Swift: Update Parse User (PFUser) and save image to it after new registration

2 Answers2