Swift Notification Manager

NotificationManager.swift

//
//  NotificationManager.swift
//  To-Bee Done
//
//  Created by Jasper Mayone on 10/21/24.
//

import Foundation
import UserNotifications

class NotificationManager {
    
    // TODO: properly handle errors / classes for permission check.

    static let shared = NotificationManager()
    
    private init() {} // This ensures the class can't be instantiated outside of `shared`
    
    func checkForPermission() {
        let notificationCenter = UNUserNotificationCenter.current()
        notificationCenter.getNotificationSettings { settings in
            switch settings.authorizationStatus {
                case .authorized:
                    return
                case .denied:
                    return
                case .notDetermined:
                    notificationCenter
                        .requestAuthorization(
                            options: [.alert, .sound, .badge]) { didAllow, error in
                                if didAllow {
                                   return
                                }
                            }
                default:
                    return
            }
            
        }
    }
        
        func dispatchNotification(
            title: String,
            date: Date
        ) {
            let uuid = UUID().uuidString
//            let date = Date().addingTimeInterval(5)
            
            let body = "Task due at \(date)"
            
            let notificationCenter = UNUserNotificationCenter.current()
            
            let content = UNMutableNotificationContent()
            content.title = title
            content.body = body
            content.sound = .default
            
            let dateComponents = Calendar.current.dateComponents(
                [.year, .month, .day, .hour, .minute, .second],
                from: date
            )
          
            
            let trigger = UNCalendarNotificationTrigger(
                dateMatching: dateComponents,
                repeats: false
            )
            
            let request = UNNotificationRequest(
                identifier: uuid,
                content: content,
                trigger: trigger
            )
            
            notificationCenter.add(request) { (error) in
                    return
            }
            
            
        }
        
    }