core-data-codegen-1.swift

import Foundation
import CoreData
import UIKit

@objc(TestEntity)
public class TestEntity: NSManagedObject {
    
    var image: UIImage {
        set {
            base64 = base64(from: image)
        }
        get {
            return image(from: base64!)
        }
    }

}

extension TestEntity {
    
    func base64(from image: UIImage) -> String {
        
        // ************************************** //
        // UIImage to base64 encoding logic here! //
        // ************************************** //
        
        return "base64-encoded-string"
    }
    
    func image(from base64: String) -> UIImage {
        
        // ************************************** //
        // base64 to UIImage decoding logic here! //
        // ************************************** //
        
        return UIImage()
    }
}