From ebd483ee5880131d6602e63ca46cfa49caef2983 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Thu, 18 Oct 2018 23:09:39 +0300
Subject: Avatars in notifications

---
 JuickPush/NotificationService.m | 46 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 JuickPush/NotificationService.m

(limited to 'JuickPush/NotificationService.m')

diff --git a/JuickPush/NotificationService.m b/JuickPush/NotificationService.m
new file mode 100644
index 0000000..82dead8
--- /dev/null
+++ b/JuickPush/NotificationService.m
@@ -0,0 +1,46 @@
+//
+//  NotificationService.m
+//  JuickPush
+//
+//  Created by Vitaly Takmazov on 18/10/2018.
+//  Copyright © 2018 com.juick. All rights reserved.
+//
+
+#import "NotificationService.h"
+
+@interface NotificationService ()
+
+@property (nonatomic, strong) void (^contentHandler)(UNNotificationContent *contentToDeliver);
+@property (nonatomic, strong) UNMutableNotificationContent *bestAttemptContent;
+
+@end
+
+@implementation NotificationService
+
+- (void)didReceiveNotificationRequest:(UNNotificationRequest *)request withContentHandler:(void (^)(UNNotificationContent * _Nonnull))contentHandler {
+    self.contentHandler = contentHandler;
+    self.bestAttemptContent = [request.content mutableCopy];
+    
+    NSURL *avatarURL = [NSURL URLWithString:request.content.userInfo[@"avatarUrl"]];
+    
+    NSURLSession * downloadSession = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];
+    
+    [[downloadSession downloadTaskWithURL:avatarURL completionHandler:^(NSURL * _Nullable location, NSURLResponse * _Nullable response, NSError * _Nullable error) {
+        if (!error) {
+            NSError *err = nil;
+            NSString *temporaryDirectory = [NSTemporaryDirectory() stringByAppendingPathComponent:[response suggestedFilename]];
+            [[NSFileManager defaultManager] moveItemAtPath:location.path toPath:temporaryDirectory error:&err];
+            UNNotificationAttachment *avatarAttachment = [UNNotificationAttachment attachmentWithIdentifier:avatarURL.lastPathComponent URL:[NSURL fileURLWithPath:temporaryDirectory] options:nil error:&err];
+            self.bestAttemptContent.attachments = @[avatarAttachment];
+            self.contentHandler(self.bestAttemptContent);
+        }
+    }] resume];
+}
+
+- (void)serviceExtensionTimeWillExpire {
+    // Called just before the extension will be terminated by the system.
+    // Use this as an opportunity to deliver your "best attempt" at modified content, otherwise the original push payload will be used.
+    self.contentHandler(self.bestAttemptContent);
+}
+
+@end
-- 
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