Add missing permission checks for notifications

Notifications can be disabled manually even after permission has been granted once.
Always check if they are enabled before notifying the user.

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/main/java/org/schabi/newpipe/NewVersionWorker.kt

@@ -82,8 +82,10 @@ class NewVersionWorker(
             )
 
         val notificationManager = NotificationManagerCompat.from(applicationContext)
+        if (notificationManager.areNotificationsEnabled()) {
             notificationManager.notify(2000, notificationBuilder.build())
         }
+    }
 
     @Throws(IOException::class, ReCaptchaException::class)
     private fun checkNewVersion() {

app/src/main/java/org/schabi/newpipe/error/ErrorUtil.kt

@@ -134,8 +134,11 @@ class ErrorUtil {
                         )
                     )
 
-            NotificationManagerCompat.from(context)
+            val notificationManager = NotificationManagerCompat.from(context)
+            if (notificationManager.areNotificationsEnabled()) {
+                notificationManager
                     .notify(ERROR_REPORT_NOTIFICATION_ID, notificationBuilder.build())
+            }
 
             ContextCompat.getMainExecutor(context).execute {
                 // since the notification is silent, also show a toast, otherwise the user is confused

app/src/main/java/org/schabi/newpipe/local/feed/notifications/NotificationHelper.kt

@@ -92,8 +92,10 @@ class NotificationHelper(val context: Context) {
                 // Show individual stream notifications, set channel icon only if there is actually
                 // one
                 showStreamNotifications(newStreams, data.serviceId, data.url, bitmap)
-                // Show summary notification
+                // Show summary notification if enabled
+                if (manager.areNotificationsEnabled()) {
                     manager.notify(data.pseudoId, summaryBuilder.build())
+                }
 
                 iconLoadingTargets.remove(this) // allow it to be garbage-collected
             }
@@ -101,8 +103,10 @@ class NotificationHelper(val context: Context) {
             override fun onBitmapFailed(e: Exception, errorDrawable: Drawable) {
                 // Show individual stream notifications
                 showStreamNotifications(newStreams, data.serviceId, data.url, null)
-                // Show summary notification
+                // Show summary notification if enabled
+                if (manager.areNotificationsEnabled()) {
                     manager.notify(data.pseudoId, summaryBuilder.build())
+                }
                 iconLoadingTargets.remove(this) // allow it to be garbage-collected
             }
 
@@ -124,11 +128,14 @@ class NotificationHelper(val context: Context) {
         channelUrl: String,
         channelIcon: Bitmap?
     ) {
-        for (stream in newStreams) {
+        if (manager.areNotificationsEnabled()) {
-            val notification = createStreamNotification(stream, serviceId, channelUrl, channelIcon)
+            newStreams.forEach { stream ->
+                val notification =
+                    createStreamNotification(stream, serviceId, channelUrl, channelIcon)
                 manager.notify(stream.url.hashCode(), notification)
             }
         }
+    }
 
     private fun createStreamNotification(
         item: StreamInfoItem,

app/src/main/java/org/schabi/newpipe/local/feed/service/FeedLoadService.kt

@@ -185,8 +185,10 @@ class FeedLoadService : Service() {
             }
         }
 
+        if (notificationManager.areNotificationsEnabled()) {
             notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build())
         }
+    }
 
     // /////////////////////////////////////////////////////////////////////////
     // Notification Actions

app/src/main/java/org/schabi/newpipe/local/subscription/services/BaseImportExportService.java

@@ -144,8 +144,10 @@ public abstract class BaseImportExportService extends Service {
             notificationBuilder.setContentText(text);
         }
 
+        if (notificationManager.areNotificationsEnabled()) {
             notificationManager.notify(getNotificationId(), notificationBuilder.build());
         }
+    }
 
     protected void stopService() {
         postErrorResult(null, null);
@@ -174,8 +176,11 @@ public abstract class BaseImportExportService extends Service {
                 .setContentTitle(title)
                 .setStyle(new NotificationCompat.BigTextStyle().bigText(textOrEmpty))
                 .setContentText(textOrEmpty);
+
+        if (notificationManager.areNotificationsEnabled()) {
             notificationManager.notify(getNotificationId(), notificationBuilder.build());
         }
+    }
 
     protected NotificationCompat.Builder createNotification() {
         return new NotificationCompat.Builder(this, getString(R.string.notification_channel_id))

app/src/main/java/org/schabi/newpipe/player/notification/NotificationUtil.java

@@ -72,8 +72,10 @@ public final class NotificationUtil {
             notificationBuilder = createNotification();
         }
         updateNotification();
+        if (notificationManager.areNotificationsEnabled()) {
             notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build());
         }
+    }
 
     public synchronized void updateThumbnail() {
         if (notificationBuilder != null) {
@@ -84,9 +86,11 @@ public final class NotificationUtil {
             }
 
             setLargeIcon(notificationBuilder);
+            if (notificationManager.areNotificationsEnabled()) {
                 notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build());
             }
         }
+    }
 
     private synchronized NotificationCompat.Builder createNotification() {
         if (DEBUG) {