Jason Reader

//
//  ViewController.swift
//  MyJson
//
//  Created by HackerU on 24/04/2017.
//  Copyright © 2017 HackerU. All rights reserved.
//

import UIKit

class ViewController: UIViewController {
    let s=URLSession.shared

    override func viewDidLoad() {
        // json1()
        //json2()
        json3() //for Elinor
    }

    //example 1 - simple read
    func json1()
    {
        let url=URL(string: "http://nikita.hackeruweb.co.il/hackSwift/mini.json")!
        s.dataTask(with:url, completionHandler:{(d,r,e)in
            //get the information as raw data into json variable
            let json = try! JSONSerialization.jsonObject(with: d!, options: .mutableContainers) as! [String:Any];
            print (json)
        }).resume()
    }

    //example 2 - parse the data
    func json2()
    {
        let url=URL(string: "http://nikita.hackeruweb.co.il/hackSwift/mini.json")!
        s.dataTask(with: url, completionHandler: {(d,r,e)in
            //get the raw information from our json data
            let json = try! JSONSerialization.jsonObject(with: d!, options: .mutableContainers) as! [String:Any];

            print("\(json["name"]!) is \(json["age"]!) years old")
            print("and he knows the following languages:")
            for singleLang in json["langs"] as! [String] //print all the languages
            {
                print(singleLang)
            }

        }).resume()
    }

    //example 3 - complexed json
    func json3()
    {
        let url=URL(string: "http://nikita.hackeruweb.co.il/hackDroid/items.json")!
        s.dataTask(with: url, completionHandler: {(d,r,e)in
            if let json = try? JSONSerialization.jsonObject(with: d!, options: .mutableContainers) as! [String:Any]
            {
                let hits = json["hits"] as! [Any] //get array hits from json
                for hitSingle in hits {//iterate over all "hits"
                    let source = (hitSingle as! [String:Any])["_source"]! //get "_source" from each hit
                    let info=(source as! [String:Any])["info"]!
                    if let icon=(info as! [String:Any])["icon"]
                    {
                        print (icon)
                    }
                    else
                    {
                        print ("No bladdy icon")
                    }
                }
            }
        }).resume()
    }
}