Push Notification for iOS

#import <UserNotifications/UserNotifications.h>
#import "CooeeSDK/CooeeSDK-Swift.h"

@interface AppDelegate () <UNUserNotificationCenterDelegate>
@end

@implementation AppDelegate

    - (BOOL)application:(UIApplication*)application didFinishLaunchingWithOptions:(NSDictionary*)launchOptions
    {
        self.viewController = [[MainViewController alloc] init];
        [AppController configure];

        // Request notification permission & register for remote notification
        UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];
        center.delegate = self;
        [center requestAuthorizationWithOptions:(UNAuthorizationOptionSound | UNAuthorizationOptionAlert | UNAuthorizationOptionBadge) completionHandler:^(BOOL granted, NSError * _Nullable error) {
            if( !error ) {
                // Once permission granted register for remote notification
                dispatch_async(dispatch_get_main_queue(), ^{
                    [[UIApplication sharedApplication] registerForRemoteNotifications];
                });
            } else {
                // Handle error thrown by permission request
                NSLog( @"ERROR: %@ - %@", error.localizedFailureReason, error.localizedDescription );
            }
        }];

        return [super application:application didFinishLaunchingWithOptions:launchOptions];
    }

    - (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken
    {
        // Send device token to the Cooee
        [[CooeeSDK getInstance] setDeviceTokenWithToken:deviceToken];
    }

    - (void)userNotificationCenter:(UNUserNotificationCenter *)center willPresentNotification:(UNNotification *)notification withCompletionHandler:(void (^)(UNNotificationPresentationOptions))completionHandler
    {
        // Cooee can show only In-App while app is in foreground. Here Cooee will check for there notification and
        // decide what action should be taken on foreground notification. If Push notification do not belong to
        // Cooee then default [.badge,.alert,.sound] is return
        completionHandler([[CooeeSDK getInstance] presentNotification:notification]);
    }

    - (void)userNotificationCenter:(UNUserNotificationCenter *)center didReceiveNotificationResponse:(UNNotificationResponse *)response withCompletionHandler:(void (^)(void))completionHandler
    {
        // Cooee will perform click action associated with Push Notification
        [[CooeeSDK getInstance] notificationAction:response];
        completionHandler();
    }
@end

platform :ios, '13.0'

target 'YOUR_APP_NAME' do
      use_frameworks!

      pod 'CooeeSDK', '~> x.x.x'

      target 'YOUR_NOTIFICATION_SERVICE_EXTENSION_NAME' do

            # Adding below line will fetch parent's target pods
            inherit! :search_paths
      end
end

- (void)didReceiveNotificationRequest:(UNNotificationRequest *)request withContentHandler:(void (^)(UNNotificationContent * _Nonnull))contentHandler {
    self.contentHandler = contentHandler;

    // Cooee will modify content and deliver back to Notification service extension
    self.bestAttemptContent = [CooeeNotificationService updateContentFromRequest:request];

    self.contentHandler(self.bestAttemptContent);
}