elpha-ios/elpha-ios/CoreDataManager.swift

//
//  CoreDataManager.swift
//  elpha-ios
//
//  Created by Dwayne Harris on 9/28/18.
//  Copyright © 2018 Elpha. All rights reserved.
//

import CoreData
import Foundation

public class CoreDataManager {
    static let shared = CoreDataManager()
    
    lazy var persistentContainer: NSPersistentContainer = {
        let container = NSPersistentContainer(name: "Elpha")
        
        container.loadPersistentStores(completionHandler: { (storeDescription, error) in
            if let error = error as NSError? {
                fatalError("Unresolved error \(error), \(error.userInfo)")
            }
        })
        
        return container
    }()
    
    var context: NSManagedObjectContext {
        get {
            return persistentContainer.viewContext
        }
    }
    
    func saveContext() {
        if context.hasChanges {
            do {
                try context.save()
            } catch {
                let nserror = error as NSError
                fatalError("Unresolved error \(nserror), \(nserror.userInfo)")
            }
        }
    }
}