ReviewTableViewController's updateUserInterface function

ReviewTableViewController's updateUserInterface.swift

func updateUserInterface() {
    nameLabel.text = spot.name
    addressLabel.text = spot.address
    rating = review.rating
    reviewTitleField.text = review.title
    enableDisableSaveButton()
    reviewTextView.text = review.text
    dateFormatter.dateStyle = .medium
    dateFormatter.timeStyle = .none
    reviewDateLabel.text = "posted: \(dateFormatter.string(from: review.date))"
    if review.documentID == "" { // This is a new review
        addBordersToEditableObjects()
    } else {
        if review.reviewerUserID == Auth.auth().currentUser?.email { // This review was posted by current user
            self.navigationItem.leftItemsSupplementBackButton = false
            saveBarButton.title = "Update"
            addBordersToEditableObjects()
            deleteButton.isHidden = false
        } else { // This review was posted by another user
            cancelBarButton.title = ""
            saveBarButton.title = ""
            postedByLabel.text = "Posted by: \(review.reviewerUserID)"
            // disable stars
            for starButton in starButtonCollection {
                starButton.backgroundColor = UIColor.white
                starButton.adjustsImageWhenDisabled = false
                starButton.isEnabled = false
            }
            reviewTitleField.isEnabled = false
            reviewTextView.isEditable = false
            reviewTitleField.backgroundColor = UIColor.white
            reviewTextView.backgroundColor = UIColor.white
        }
    }
}