RIT-Dining/TigerDine/Components/PushScheduler.swift
NinjaCheetah 23ebc9d848
Replace all instances of "RIT Dining" with "TigerDine"
The project and some files were still named that way, so that's been fixed now. The bundle ID is stuck that way forever but oh well. Nobody will see that.
2025-12-24 16:41:18 -05:00

61 lines
3.0 KiB
Swift

//
// PushScheduler.swift
// TigerDine
//
// Created by Campbell on 10/3/25.
//
import Foundation
import UserNotifications
/// Function to schedule a notification for a visting chef showing up on campus using the name, location, and timeframe. Returns the UUID string assigned to the notification.
func scheduleVisitingChefNotif(name: String, location: String, startTime: Date, endTime: Date) async -> String {
// Validate that the user has authorized TigerDine to send you notifications before trying to schedule one.
let center = UNUserNotificationCenter.current()
let settings = await center.notificationSettings()
guard (settings.authorizationStatus == .authorized) else { return "" }
// Build the notification content from the name, location, and timeframe.
let content = UNMutableNotificationContent()
if name == "P.H. Express" {
content.title = "Good Food is Waiting"
} else {
content.title = "\(name) Is On Campus Today"
}
content.body = "\(name) will be at \(location) from \(dateDisplay.string(from: startTime))-\(dateDisplay.string(from: endTime))"
content.sound = .default
// Get the time that we're going to schedule the notification for, which is a specified number of hours before the chef
// shows up. This is configurable from the notification settings.
let offset: Int = UserDefaults.standard.integer(forKey: "notificationOffset")
// The ternary happening on this line is stupid, but the UserDefaults key isn't always initialized because it's being used
// through @AppStorage. This will eventually be refactored into something better, but this system should work for now to
// ensure that we never use an offset of 0.
let notifTime = Calendar.current.date(byAdding: .hour, value: -(offset != 0 ? offset : 2), to: startTime)!
let notifTimeComponents = Calendar.current.dateComponents([.year, .month, .day, .hour, .minute], from: notifTime)
let trigger = UNCalendarNotificationTrigger(dateMatching: notifTimeComponents, repeats: false)
// Create the request with the content and time.
let uuid_string = UUID().uuidString
let request = UNNotificationRequest(identifier: uuid_string, content: content, trigger: trigger)
// Hook into the notification center and attempt to schedule the notification.
let notificationCenter = UNUserNotificationCenter.current()
do {
try await notificationCenter.add(request)
print("successfully scheduled notification for chef \(name) to be delivered at \(notifTime)")
return uuid_string
} catch {
// Presumably this shouldn't ever happen? That's what I'm hoping for!
print(error)
return ""
}
}
/// Cancel a list of pending visiting chef notifications using their UUIDs.
func cancelVisitingChefNotifs(uuids: [String]) async {
let center = UNUserNotificationCenter.current()
center.removePendingNotificationRequests(withIdentifiers: uuids)
print("successfully cancelled pending notifications with UUIDs: \(uuids)")
}