68 lines
2.4 KiB
Swift
68 lines
2.4 KiB
Swift
//
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// NotificationService.swift
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// NotificationService
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//
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// Created by 湖南秦九 on 2025/6/16.
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//
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import UserNotifications
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class NotificationService: UNNotificationServiceExtension {
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var contentHandler: ((UNNotificationContent) -> Void)?
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var bestAttemptContent: UNMutableNotificationContent?
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override func didReceive(_ request: UNNotificationRequest, withContentHandler contentHandler: @escaping (UNNotificationContent) -> Void) {
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self.contentHandler = contentHandler
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bestAttemptContent = (request.content.mutableCopy() as? UNMutableNotificationContent)
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guard let bestAttemptContent = bestAttemptContent else {
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contentHandler(request.content)
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return
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}
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if let options = request.content.userInfo["fcm_options"] as? [String : Any],
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let imageURLString = options["image"] as? String,
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let imageURL = URL(string: imageURLString) {
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downloadImage(from: imageURL) { attachment in
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if let attachment = attachment {
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bestAttemptContent.attachments = [attachment]
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}
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contentHandler(bestAttemptContent)
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}
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} else {
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contentHandler(bestAttemptContent)
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}
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}
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override func serviceExtensionTimeWillExpire() {
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if let contentHandler = contentHandler, let bestAttemptContent = bestAttemptContent {
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contentHandler(bestAttemptContent)
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}
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}
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// 下载图片
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private func downloadImage(from url: URL, completion: @escaping (UNNotificationAttachment?) -> Void) {
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let task = URLSession.shared.downloadTask(with: url) { (downloadedUrl, _, error) in
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guard let downloadedUrl = downloadedUrl else {
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completion(nil)
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return
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}
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let tmpDir = FileManager.default.temporaryDirectory
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let tmpFile = tmpDir.appendingPathComponent(url.lastPathComponent)
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do {
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try FileManager.default.moveItem(at: downloadedUrl, to: tmpFile)
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let attachment = try UNNotificationAttachment(identifier: UUID().uuidString, url: tmpFile, options: nil)
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completion(attachment)
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} catch {
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completion(nil)
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}
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}
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task.resume()
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}
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}
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