From 305dd126717fd6ba870a1399d6a8627828213024 Mon Sep 17 00:00:00 2001
From: kukabi <kutsalbilgin@gmail.com>
Date: Sun, 28 Apr 2024 17:33:42 +0300
Subject: [PATCH] Update backend when the APNS token changes. Bump version.

---
 SubVT.xcodeproj/project.pbxproj              |  8 ++---
 SubVT/Classes/App/SubVTApp.swift             | 33 ++++++++++++++++----
 SubVT/Classes/Utility/NotificationUtil.swift | 26 +++++++++++++++
 3 files changed, 57 insertions(+), 10 deletions(-)

diff --git a/SubVT.xcodeproj/project.pbxproj b/SubVT.xcodeproj/project.pbxproj
index 8089201..eb1ee05 100644
--- a/SubVT.xcodeproj/project.pbxproj
+++ b/SubVT.xcodeproj/project.pbxproj
@@ -2208,7 +2208,7 @@
 				ASSETCATALOG_COMPILER_INCLUDE_ALL_APPICON_ASSETS = NO;
 				CODE_SIGN_ENTITLEMENTS = SubVT/Resources/Config/SubVT.entitlements;
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 15;
+				CURRENT_PROJECT_VERSION = 16;
 				DEVELOPMENT_ASSET_PATHS = "\"SubVT/Preview Content\"";
 				DEVELOPMENT_TEAM = TM389H3UFR;
 				ENABLE_PREVIEWS = YES;
@@ -2225,7 +2225,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 0.1.5;
+				MARKETING_VERSION = 0.1.6;
 				OTHER_LDFLAGS = (
 					"-Xlinker",
 					"-interposable",
@@ -2248,7 +2248,7 @@
 				ASSETCATALOG_COMPILER_INCLUDE_ALL_APPICON_ASSETS = NO;
 				CODE_SIGN_ENTITLEMENTS = SubVT/Resources/Config/SubVT.entitlements;
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 15;
+				CURRENT_PROJECT_VERSION = 16;
 				DEVELOPMENT_ASSET_PATHS = "\"SubVT/Preview Content\"";
 				DEVELOPMENT_TEAM = TM389H3UFR;
 				ENABLE_PREVIEWS = YES;
@@ -2265,7 +2265,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 0.1.5;
+				MARKETING_VERSION = 0.1.6;
 				PRODUCT_BUNDLE_IDENTIFIER = io.helikon.subvt;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SUPPORTS_MACCATALYST = NO;
diff --git a/SubVT/Classes/App/SubVTApp.swift b/SubVT/Classes/App/SubVTApp.swift
index 0724e4d..a1b2129 100644
--- a/SubVT/Classes/App/SubVTApp.swift
+++ b/SubVT/Classes/App/SubVTApp.swift
@@ -66,17 +66,38 @@ class AppDelegate: NSObject, UIApplicationDelegate {
         _ application: UIApplication,
         didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data
     ) {
-        guard self.apnsToken.isEmpty else { return }
         let token = deviceToken.map { String(format: "%02.2hhx", $0) }.joined()
-        self.apnsToken = token
+        if !self.apnsToken.isEmpty
+            && self.apnsToken != token
+            && self.notificationChannelId > 0 {
+            NotificationUtil.deleteUserNotificationChannel(channelId: UInt64(self.notificationChannelId)) {
+                self.apnsToken = ""
+                self.notificationChannelId = 0
+                self.createNotificationChannel(token: token)
+            } onError: { error in
+                log.error("Error while deleting existing notification channel: \(error)")
+            }
+            return
+        } else {
+            self.createNotificationChannel(token: token)
+        }
+    }
+    
+    private func createNotificationChannel(token: String) {
+        guard self.apnsToken.isEmpty else {
+            return
+        }
         self.apnsSetupHasFailed = false
         NotificationUtil.createAPNSNotificationChannel(token: token) { channelId in
+            self.apnsToken = token
             self.hasCompletedAPNSRegistration = true
             self.notificationChannelId = Int(channelId)
-            NotificationUtil.createDefaultUserNotificationRules(channelId: channelId) {
-                self.hasCreatedDefaultNotificationRules = true
-            } onError: { error in
-                self.apnsSetupHasFailed = true
+            if !self.hasCreatedDefaultNotificationRules {
+                NotificationUtil.createDefaultUserNotificationRules(channelId: channelId) {
+                    self.hasCreatedDefaultNotificationRules = true
+                } onError: { error in
+                    self.apnsSetupHasFailed = true
+                }
             }
         } onError: { error in
             self.apnsSetupHasFailed = true
diff --git a/SubVT/Classes/Utility/NotificationUtil.swift b/SubVT/Classes/Utility/NotificationUtil.swift
index 13e01d2..d49f002 100644
--- a/SubVT/Classes/Utility/NotificationUtil.swift
+++ b/SubVT/Classes/Utility/NotificationUtil.swift
@@ -107,6 +107,32 @@ struct NotificationUtil {
         .store(in: &cancellables)
     }
     
+    static func deleteUserNotificationChannel(
+        channelId: UInt64,
+        onSuccess: @escaping () -> (),
+        onError: @escaping (APIError) -> ()
+    ) {
+        NotificationUtil.appService.deleteUserNotificationChannel(
+            id: channelId
+        )
+        .sink { (response) in
+            if let error = response.error {
+                log.error("Error while deleting user notification channel: \(error)")
+                onError(error)
+            } else {
+                switch response.result {
+                case .success:
+                    log.info("Successfully deleted user notification channel.")
+                    onSuccess()
+                case .failure(let error):
+                    log.error("Error while deleting user notification channel: \(error)")
+                    onError(error)
+                }
+            }
+        }
+        .store(in: &cancellables)
+    }
+    
     static func updateAppNotificationBadge(context: NSManagedObjectContext) {
         do {
             let fetchRequest : NSFetchRequest<Notification> = Notification.fetchRequest()