[iOS] 6주 차 미션

 

 

 

ViewController

DispatchQueue를 활용하여 reminder 알림 기능을 구현하였다.

//
//  ViewController.swift
//  Week6-project
//
//  Created by yeonsu on 2022/11/05.
//

import UIKit
import UserNotifications    // 팝업 알림을 위해 필요

class ViewController: UIViewController {

    @IBOutlet var table: UITableView!
    
    var models = [Reminder]()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        table.delegate = self
        table.dataSource = self
    }
    
    @IBAction func didTapAdd() {
        // 알림 생성하기
        guard let vc = storyboard?.instantiateViewController(identifier: "add") as? AddViewController else {return}
        
        vc.title = "새로운 알림 생성"
        vc.navigationItem.largeTitleDisplayMode = .never
        vc.completion = {title, date in
            DispatchQueue.main.async {
                self.navigationController?.popToRootViewController(animated: true)
                let new = Reminder(title: title, date: date, identifier: "id_\(title)")
                self.models.append(new)
                self.table.reloadData()
                
                let content = UNMutableNotificationContent()
                content.title = title
                content.sound = .default
                
                let targetDate = date
                let trigger = UNCalendarNotificationTrigger(dateMatching: Calendar.current.dateComponents([.year, .month, .day, .hour, .minute, .second], from: targetDate), repeats: false)
                
                let request = UNNotificationRequest(identifier: "some_long_id", content: content, trigger: trigger)
                UNUserNotificationCenter.current().add(request, withCompletionHandler: {error in
                    if error != nil {
                        print("무언가 잘못됐습니다...")
                    }
                })
            }
        }
        navigationController?.pushViewController(vc, animated: true)
    }
    
    @IBAction func didTapTest() {
        // 테스트 버튼
        UNUserNotificationCenter.current().requestAuthorization(options: .alert, completionHandler: {success, error in
            if success {
                // 스케쥴 테스트 메소드 실행
                self.scheduleTest()
            }
            else if error != nil {
                print("에러가 발생했습니다")
            }
        })
    }
    func scheduleTest() {
        // 알림 트리거 필요 -> date가 트리거 역할을 함
        let content = UNMutableNotificationContent()
        content.title = "안녕하세요 고객님!"
        content.sound = .default
        content.body = "💌 새로운 알림이 도착했습니다"
        
        let targetDate = Date().addingTimeInterval(10)
        let trigger = UNCalendarNotificationTrigger(dateMatching: Calendar.current.dateComponents([.year, .month, .day, .hour, .minute, .second], from: targetDate), repeats: false)
        
        let request = UNNotificationRequest(identifier: "some_long_id", content: content, trigger: trigger)
        UNUserNotificationCenter.current().add(request, withCompletionHandler: {error in
            if error != nil {
                print("무언가 잘못됐습니다...")
            }
        })
    }
}

extension ViewController: UITableViewDelegate {
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        tableView.deselectRow(at: indexPath, animated: true)
    }
}

extension ViewController: UITableViewDataSource{
    func numberOfSections(in tableView: UITableView) -> Int {
        return 1
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return models.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)
        cell.textLabel?.text = models[indexPath.row].title
        let date = models[indexPath.row].date
        
        let formatter = DateFormatter()
        formatter.dateFormat = "오늘 HH시 mm분에 알려드릴게요⏰"
        cell.detailTextLabel?.text = formatter.string(from: date)
        return cell
    }
}


struct Reminder {
    let title: String
    let date: Date
    let identifier: String
}

 

 

AddViewController

//
//  AddViewController.swift
//  Week6-project
//
//  Created by yeonsu on 2022/11/05.
//

import UIKit

class AddViewController: UIViewController, UITextFieldDelegate {

    @IBOutlet var titleField: UITextField!      // 제목
    @IBOutlet var subTitleField: UITextField!   // 내용
    @IBOutlet var datePicker: UIDatePicker!     // 날짜 선택
    
    public var completion: ((String, Date) -> Void)?    // 입력 결과 반환
    
    override func viewDidLoad() {
        super.viewDidLoad()
        titleField.delegate = self
        navigationItem.rightBarButtonItem = UIBarButtonItem(title: "저장", style: .done, target: self
                                                            , action: #selector(didTapSaveButton))
    }
    
    @objc func didTapSaveButton() {
        if let titleText = titleField.text, !titleText.isEmpty{
            
            let targetDate = datePicker.date
            
            completion?(titleText, targetDate)
        }
    }
    func textFieldShouldReturn(_ textField: UITextField) -> Bool {
        textField.resignFirstResponder()
        return true
    }
}