add notification permission status

src/ios/CDVBluememeUtils.m

@@ -167,6 +167,31 @@ static NSString * const BluememeDeviceKeyDefaultsKey = @"bluememe_utils_device_k
     }
 }
 
+- (void)getPushPermissionStatus:(CDVInvokedUrlCommand *)command
+{
+    if (@available(iOS 10.0, *)) {
+        [[UNUserNotificationCenter currentNotificationCenter] getNotificationSettingsWithCompletionHandler:^(UNNotificationSettings *settings) {
+            dispatch_async(dispatch_get_main_queue(), ^{
+                [self sendSuccessForCommand:command dictionary:[self dictionaryFromNotificationSettings:settings]];
+            });
+        }];
+    } else {
+        UIUserNotificationSettings *settings = [[UIApplication sharedApplication] currentUserNotificationSettings];
+        BOOL enabled = settings.types != UIUserNotificationTypeNone;
+        [self sendSuccessForCommand:command dictionary:@{
+            @"type": @"notification",
+            @"platform": @"iOS",
+            @"enabled": @(enabled),
+            @"granted": @(enabled),
+            @"authorizationStatus": enabled ? @"authorized" : @"denied",
+            @"alertEnabled": @((settings.types & UIUserNotificationTypeAlert) != 0),
+            @"soundEnabled": @((settings.types & UIUserNotificationTypeSound) != 0),
+            @"badgeEnabled": @((settings.types & UIUserNotificationTypeBadge) != 0),
+            @"missing": enabled ? @[] : @[@"notification"]
+        }];
+    }
+}
+
 - (void)getFirebaseToken:(CDVInvokedUrlCommand *)command
 {
     NSError *firebaseError = nil;
@@ -337,6 +362,61 @@ static NSString * const BluememeDeviceKeyDefaultsKey = @"bluememe_utils_device_k
     return @"touch";
 }
 
+- (NSDictionary *)dictionaryFromNotificationSettings:(UNNotificationSettings *)settings API_AVAILABLE(ios(10.0))
+{
+    NSString *status = [self authorizationStatusName:settings.authorizationStatus];
+    BOOL enabled = settings.authorizationStatus == UNAuthorizationStatusAuthorized;
+    if (@available(iOS 12.0, *)) {
+        enabled = enabled || settings.authorizationStatus == UNAuthorizationStatusProvisional;
+    }
+    if (@available(iOS 14.0, *)) {
+        enabled = enabled || settings.authorizationStatus == UNAuthorizationStatusEphemeral;
+    }
+
+    BOOL alertEnabled = settings.alertSetting == UNNotificationSettingEnabled;
+    BOOL soundEnabled = settings.soundSetting == UNNotificationSettingEnabled;
+    BOOL badgeEnabled = settings.badgeSetting == UNNotificationSettingEnabled;
+    NSArray *missing = enabled ? @[] : @[@"notification"];
+
+    return @{
+        @"type": @"notification",
+        @"platform": @"iOS",
+        @"enabled": @(enabled),
+        @"granted": @(enabled),
+        @"authorizationStatus": status,
+        @"alertEnabled": @(alertEnabled),
+        @"soundEnabled": @(soundEnabled),
+        @"badgeEnabled": @(badgeEnabled),
+        @"missing": missing
+    };
+}
+
+- (NSString *)authorizationStatusName:(UNAuthorizationStatus)status API_AVAILABLE(ios(10.0))
+{
+    switch (status) {
+        case UNAuthorizationStatusNotDetermined:
+            return @"notDetermined";
+        case UNAuthorizationStatusDenied:
+            return @"denied";
+        case UNAuthorizationStatusAuthorized:
+            return @"authorized";
+        default:
+            break;
+    }
+
+    if (@available(iOS 12.0, *)) {
+        if (status == UNAuthorizationStatusProvisional) {
+            return @"provisional";
+        }
+    }
+    if (@available(iOS 14.0, *)) {
+        if (status == UNAuthorizationStatusEphemeral) {
+            return @"ephemeral";
+        }
+    }
+    return @"unknown";
+}
+
 - (BOOL)ensureFirebaseConfigured:(NSError **)error
 {
     if ([FIRApp defaultApp] != nil) {