Twitter post with media

gistfile1.txt

    if shouldShareToTwitter == true {

        if didSaveToTwitter == false {

                //In ReviewInfoViewController, we have started a session with logInWithCompletion()
                let store = Twitter.sharedInstance().sessionStore

                if let userid = store.session()?.userID {

                    let client = TWTRAPIClient(userID: userid) //we have this from logInWithCompletion() in the previousVC

                    let imageData = UIImagePNGRepresentation(self.cardView.takeSnapshot())
                    let uploadParams = ["media" : imageData!.base64EncodedStringWithOptions(NSDataBase64EncodingOptions.Encoding64CharacterLineLength)]
                    //TODO: Handle error properly (do / catch?)
                    let uploadRequest = client.URLRequestWithMethod(kTwitterPOSTmethod, URL: kTwitterUploadURL, parameters: uploadParams, error: nil)

                    //First we upload the image via a request
                    client.sendTwitterRequest(uploadRequest, completion: { (response, uploadResultData, error) -> Void in
                        do {
                            //Then we parse the resulting upload for the image
                            let parsedObject = try NSJSONSerialization.JSONObjectWithData(uploadResultData!, options: NSJSONReadingOptions.AllowFragments)
                            if let json = parsedObject as? NSDictionary {
                                let media_id = json["media_id_string"] as! String

                                let updateParams = ["status" : shareText, "media_ids" : media_id]

                                //TODO: Handle error properly (do / catch?)
                                let updateRequest = client.URLRequestWithMethod(kTwitterPOSTmethod, URL: kTwitterUpdateURL, parameters: updateParams, error: nil)
                                //Lastly, we sent the status update along with the image that we parsed from the earlier request
                                client.sendTwitterRequest(updateRequest, completion: { (response, data, connectionError) -> Void in

                                    if connectionError == nil {
                                        print("sendTwitterRequest(): \(response)")
                                    }
                                    else {
                                        print("sendTwitterRequest(): \(connectionError)")
                                    }
                                })

                            }
                        }
                        catch {
                            //TODO: Best way to handle error?
                            print(error)
                        }
                    })
            }

            didSaveToTwitter = true
        }
    }