SettingsViewController.swift

//
//  SettingsViewController.swift
//  LiftApp
//
//  Created by Austin Bailey on 11/9/17.
//  Copyright © 2017 Austin Bailey. All rights reserved.
//

import UIKit
import CoreData

class SettingsViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
        
    @IBAction func logout(_ sender: UIButton) {
        let context = (UIApplication.shared.delegate as! AppDelegate).persistentContainer.viewContext
        let fetchRequest = NSFetchRequest<NSFetchRequestResult>(entityName: "UserData")
        fetchRequest.returnsObjectsAsFaults = false
        do
        {
            let results = try context.fetch(fetchRequest)
            for managedObject in results
            {
                let managedObjectData:NSManagedObject = managedObject as! NSManagedObject
                context.delete(managedObjectData)
            }
        } catch let error as NSError {
            print("unable to delete")
        }
        do {
            try context.save()
        }
        catch {
            print("unable to save")
        }
        
    }
    
    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        // Get the new view controller using segue.destinationViewController.
        // Pass the selected object to the new view controller.
    }
    */

}