ViewController.swift

//
//  ViewController.swift
//  coredatayoutube
//
//  Created by shahryar tavakkoli on 06/03/2017.
//  Copyright © 2017 shahryar tavakkoli. All rights reserved.
//

import UIKit
import CoreData

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        let studentClassName:String = String(describing : DBstudent.self)
        let courseClassName:String = String(describing : RELcourse.self)
        
        
        let student:DBstudent = NSEntityDescription.insertNewObject(forEntityName: studentClassName, into: DatabaseController.getContext()) as! DBstudent
        
       
        
        // MARK: - DB Test Drive
        
        student.frist_name = "mojtaba"
        student.last_name = "naseri"
        student.old = 28
        
        let course:RELcourse = NSEntityDescription.insertNewObject(forEntityName: courseClassName, into: DatabaseController.getContext()) as! RELcourse
        
        course.name = "A100"
        
//        student.db_rel_tocourse = course.name["ss"]
        
        
//        student.db_rel_tocourse(course)
//        course.db_rel_tostudent(student)
        
        DatabaseController.saveContext()
        
        print(student)
        let fechRequest:NSFetchRequest<DBstudent> = DBstudent.fetchRequest()
        do  {
                let searchResult = try DatabaseController.getContext().fetch(fechRequest)
            
                print("number result: \(searchResult.count)")
            
                for dbres in searchResult as [DBstudent]{
                    print("name \(dbres.frist_name!) - last name \(dbres.last_name!) - old:\(dbres.old)")
                }
        }catch {
            print("ERORR: \(error)")
        }
        
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


}