75 lines
3.6 KiB
Swift
75 lines
3.6 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import Combine
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import UserNotifications
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public struct UserNotificationClient {
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public enum DelegateEvent {
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case willPresentNotification(UNNotification, completionHandler: (UNNotificationPresentationOptions) -> Void)
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case didReceiveResponse(UNNotificationResponse, completionHandler: () -> Void)
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case openSettingsForNotification(UNNotification?)
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}
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public let getNotificationSettings: (@escaping (UNNotificationSettings) -> Void) -> Void
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public let requestAuthorization: (UNAuthorizationOptions, @escaping (Bool, Error?) -> Void) -> Void
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public let add: (UNNotificationRequest, ((Error?) -> Void)?) -> Void
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public let removeDeliveredNotifications: ([String]) -> Void
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public let delegateEvents: AnyPublisher<DelegateEvent, Never>
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public init(
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getNotificationSettings: @escaping (@escaping (UNNotificationSettings) -> Void) -> Void,
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requestAuthorization: @escaping (UNAuthorizationOptions, @escaping (Bool, Error?) -> Void) -> Void,
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add: @escaping (UNNotificationRequest, ((Error?) -> Void)?) -> Void,
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removeDeliveredNotifications: @escaping ([String]) -> Void,
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delegateEvents: AnyPublisher<DelegateEvent, Never>) {
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self.getNotificationSettings = getNotificationSettings
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self.requestAuthorization = requestAuthorization
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self.add = add
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self.removeDeliveredNotifications = removeDeliveredNotifications
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self.delegateEvents = delegateEvents
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}
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}
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extension UserNotificationClient {
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public static func live(_ userNotificationCenter: UNUserNotificationCenter) -> Self {
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final class Delegate: NSObject, UNUserNotificationCenterDelegate {
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let subject: PassthroughSubject<DelegateEvent, Never>
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init(subject: PassthroughSubject<DelegateEvent, Never>) {
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self.subject = subject
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}
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func userNotificationCenter(
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_ center: UNUserNotificationCenter,
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willPresent notification: UNNotification,
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withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
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subject.send(.willPresentNotification(notification, completionHandler: completionHandler))
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}
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func userNotificationCenter(_ center: UNUserNotificationCenter,
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didReceive response: UNNotificationResponse,
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withCompletionHandler completionHandler: @escaping () -> Void) {
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subject.send(.didReceiveResponse(response, completionHandler: completionHandler))
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}
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func userNotificationCenter(_ center: UNUserNotificationCenter,
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openSettingsFor notification: UNNotification?) {
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subject.send(.openSettingsForNotification(notification))
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}
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}
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let subject = PassthroughSubject<DelegateEvent, Never>()
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var delegate: Delegate? = Delegate(subject: subject)
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userNotificationCenter.delegate = delegate
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return UserNotificationClient(
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getNotificationSettings: userNotificationCenter.getNotificationSettings,
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requestAuthorization: userNotificationCenter.requestAuthorization,
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add: userNotificationCenter.add(_:withCompletionHandler:),
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removeDeliveredNotifications: userNotificationCenter.removeDeliveredNotifications(withIdentifiers:),
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delegateEvents: subject
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.handleEvents(receiveCancel: { delegate = nil })
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.eraseToAnyPublisher())
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}
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}
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