Tasks by REST/ Oorya

//**********VIEW CONTROLLER

import UIKit
import Alamofire

class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSource {

    @IBOutlet weak var txtTask: UITextField!
    @IBOutlet weak var tableTask: UITableView!

    public enum httpMethod:String
    {
        case options = "OPTIONS"
        case get = "GET"
        case head = "HEAD"
        case post = "POST"
        case put = "PUT"
        case patch = "PATCH"
        case delete = "DELETE"
        case trace = "TRACE"
        case connect = "CONNECT"
    };

    //declare of appliction secret keys for indification
    let myKeys:HTTPHeaders = [
        "application-id":"23945E84-9532-34FA-FFF8-D7441632B000",
        "secret-key":"E3C85268-5141-7F88-FFB6-1473F0FE0A00",
        "Content-Type":"application/json",
        "application-type":"REST"
    ];

    var tasks:[String] = [];
    var userToken:String!;

    override func viewDidLoad() {
        super.viewDidLoad()

        tableTask.dataSource=self;
        tableTask.delegate=self;

        //retrive data from backendless server
        Alamofire.request("https://api.backendless.com/v1/data/Tasks", method: .get,  headers: myKeys).responseJSON{
            respone in

            let allTask = respone.result.value as! NSDictionary;

            let resultArr = allTask["data"] as! NSArray

            for index in (0..<resultArr.count)
            {
                let singleTask = resultArr[index] as! NSDictionary
                print("RESULT: \(singleTask["taskName"]!)")
                self.tasks.append(singleTask["taskName"]! as! String);
            }
            self.tableTask.reloadData();
        }
    }


    @IBAction func btnAddTask(_ sender: UIButton) {
        let newTask:Parameters=[
            "taskName":txtTask.text!,
            "isDone":false
        ];

        Alamofire.request("https://api.backendless.com/v1/data/Tasks", method: .post, parameters: newTask, encoding: JSONEncoding.default
            , headers: myKeys).responseJSON{
        respone in

                let newTask = respone.result.value as! NSDictionary;

                self.tasks.append(newTask["taskName"]! as! String);
                self.tableTask.reloadData();
        };

        txtTask.text="";
    }

    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return self.tasks.count;
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

        let cell:CellTask=self.tableTask.dequeueReusableCell(withIdentifier: "cell") as!
            CellTask;

        cell.lableTask.text = self.tasks[indexPath.row];

        return cell;
    }

    @IBAction func logout(_ sender: UIButton) {
        //LOG OUT
        let myKeysLogout:HTTPHeaders = [
            "application-id":"23945E84-9532-34FA-FFF8-D7441632B000",
            "secret-key":"E3C85268-5141-7F88-FFB6-1473F0FE0A00",
            "application-type":"REST",
            //"Content-Type":"application/json",
            "user-token":userToken!
        ];

        Alamofire.request("https://api.backendless.com/v1/users/logout",method: .get, encoding: JSONEncoding.default, headers: myKeysLogout).responseJSON{
            response in
            print("RESPONSE LOGUOT: \(response)");
        }

        let loginScreen=UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "loginVC");
        self.present(loginScreen, animated: true, completion: nil);
    }
}

//********LOGIN CLASS

import UIKit
import Alamofire

class Login: UIViewController {


    @IBOutlet weak var txtUser: UITextField!
    @IBOutlet weak var txtPass: UITextField!
    @IBOutlet weak var txtPass2: UITextField!
    @IBOutlet weak var email: UITextField!
    @IBOutlet weak var btnSignin: UIButton!
    @IBOutlet weak var btnSignup: UIButton!

    @IBOutlet weak var btnRegister: UIButton!
    @IBOutlet weak var lblError: UILabel!
    public enum httpMethod:String
    {
        case options = "OPTIONS"
        case get = "GET"
        case head = "HEAD"
        case post = "POST"
        case put = "PUT"
        case patch = "PATCH"
        case delete = "DELETE"
        case trace = "TRACE"
        case connect = "CONNECT"
    };

    //declare of appliction secret keys for indification
    let myKeys:HTTPHeaders = [
        "application-id":"23945E84-9532-34FA-FFF8-D7441632B000",
        "secret-key":"E3C85268-5141-7F88-FFB6-1473F0FE0A00",
        "Content-Type":"application/json",
        "application-type":"REST"
    ];


    override func viewDidLoad()
    {
        btnSignup.isHidden=true;
        txtUser.isHidden=true;
        txtPass2.isHidden=true;
    }
    @IBAction func signIn(_ sender: UIButton) {

        //login
        let userData:Parameters = [
            "login":email.text!,
            "password":txtPass.text!
        ];

        Alamofire.request("https://api.backendless.com/v1/users/login",method: .post, parameters: userData, encoding: JSONEncoding.default, headers: myKeys).responseJSON{
            response in
            print("RESPONSE LOGIN: \(response)");

            let resultDict = response.result.value as! NSDictionary;

            if (resultDict.count > 2)
            {
                let taskScreen=UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "tasksVC");
                self.present(taskScreen, animated: true, completion: nil);

                let taskClass = taskScreen as! ViewController;
                taskClass.userToken=resultDict["user-token"]! as! String;
            }
            else
            {
                print("FAILURE LOGIN: \(resultDict)")
                self.lblError.text = resultDict["message"]! as? String
                self.btnSignup.isHidden=false;

                return;
            }
        }
    }


    @IBAction func signUp(_ sender: UIButton) {
        //register a user
        let userData:Parameters = [
            "name":txtUser.text!,
            "email":email.text!,
            "password":txtPass.text!
        ];


        Alamofire.request("https://api.backendless.com/v1/users/register", method: .post, parameters: userData, encoding: JSONEncoding.default, headers: myKeys).responseJSON {
            response in
            print("SIGNUP RESPONSE: \(response)");

            let resultDict = response.result.value as! NSDictionary;

            if (resultDict.count > 2)
            {
                self.lblError.text = "Registration is successful, please login";
            }
            else
            {
                print("FAILURE LOGIN: \(resultDict)")
                self.lblError.text = resultDict["message"]! as? String
                return;
            }
        }
    }

    @IBAction func regOrLog(_ sender: UIButton) {

        if(btnSignup.isHidden==true)
        {
            txtUser.isHidden=false;
            txtPass2.isHidden=false;
            btnSignup.isHidden=false;
            btnSignin.isHidden=true;
            btnRegister.setTitle("Login", for: UIControlState());
        }
        else if (btnSignup.isHidden==false)
        {
            txtUser.isHidden=true;
            txtPass2.isHidden=true;
            btnSignup.isHidden=true;
            btnSignin.isHidden=false;
            btnRegister.setTitle("Registration", for: UIControlState())
        }
    }
}