NetNewsWire/Shared/UserNotifications/UserNotificationManager.swift
2020-05-15 20:32:33 +08:00

69 lines
2.1 KiB
Swift

//
// NotificationManager.swift
// NetNewsWire
//
// Created by Maurice Parker on 10/2/19.
// Copyright © 2019 Ranchero Software. All rights reserved.
//
import Foundation
import Account
import Articles
import UserNotifications
final class UserNotificationManager: NSObject {
override init() {
super.init()
NotificationCenter.default.addObserver(self, selector: #selector(accountDidDownloadArticles(_:)), name: .AccountDidDownloadArticles, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(statusesDidChange(_:)), name: .StatusesDidChange, object: nil)
}
@objc func accountDidDownloadArticles(_ note: Notification) {
guard let articles = note.userInfo?[Account.UserInfoKey.newArticles] as? Set<Article> else {
return
}
for article in articles {
if !article.status.read, let webFeed = article.webFeed, webFeed.isNotifyAboutNewArticles ?? false {
sendNotification(webFeed: webFeed, article: article)
}
}
}
@objc func statusesDidChange(_ note: Notification) {
guard let articleIDs = note.userInfo?[Account.UserInfoKey.articleIDs] as? Set<String>, !articleIDs.isEmpty else {
return
}
let identifiers = articleIDs.map { "articleID:\($0)" }
UNUserNotificationCenter.current().removeDeliveredNotifications(withIdentifiers: identifiers)
}
}
private extension UserNotificationManager {
private func sendNotification(webFeed: WebFeed, article: Article) {
let content = UNMutableNotificationContent()
content.title = webFeed.nameForDisplay
if !ArticleStringFormatter.truncatedTitle(article).isEmpty {
content.subtitle = ArticleStringFormatter.truncatedTitle(article)
}
content.body = ArticleStringFormatter.truncatedSummary(article)
content.threadIdentifier = webFeed.webFeedID
content.summaryArgument = "\(webFeed.nameForDisplay)"
content.summaryArgumentCount = 1
content.sound = UNNotificationSound.default
content.userInfo = [UserInfoKey.articlePath: article.pathUserInfo]
let request = UNNotificationRequest.init(identifier: "articleID:\(article.articleID)", content: content, trigger: nil)
UNUserNotificationCenter.current().add(request)
}
}