Handling notification post (local notif style)

android/src/main/java/com/wix/reactnativenotifications/core/notification/IPushNotification.java

@@ -18,5 +18,11 @@ public interface IPushNotification {
      */
     void onOpened();
 
+    /**
+     * Handle a request to post this notification.
+     * @return ID to optionally use for notification deletion.
+     */
+    int onPostRequest();
+
     PushNotificationProps asProps();
 }

android/src/main/java/com/wix/reactnativenotifications/core/notification/PushNotification.java

@@ -68,15 +68,20 @@ public class PushNotification implements IPushNotification {
         PushNotificationsDrawer.get(mContext).onNotificationOpened();
     }
 
+    @Override
+    public int onPostRequest() {
+        return postNotification();
+    }
+
     @Override
     public PushNotificationProps asProps() {
         return mNotificationProps.copy();
     }
 
-    protected void postNotification() {
+    protected int postNotification() {
         final PendingIntent pendingIntent = getCTAPendingIntent();
         final Notification notification = buildNotification(pendingIntent);
-        postNotification((int) System.currentTimeMillis(), notification);
+        return postNotification(notification);
     }
 
     protected void digestNotification() {
@@ -141,11 +146,21 @@ public class PushNotification implements IPushNotification {
                 .setAutoCancel(true);
     }
 
+    protected int postNotification(Notification notification) {
+        int id = createNotificationId(notification);
+        postNotification(id, notification);
+        return id;
+    }
+
     protected void postNotification(int id, Notification notification) {
         final NotificationManager notificationManager = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
         notificationManager.notify(id, notification);
     }
 
+    protected int createNotificationId(Notification notification) {
+        return (int) System.currentTimeMillis();
+    }
+
     protected ReactContext getRunningReactContext() {
         final ReactNativeHost rnHost = ((ReactApplication) mContext.getApplicationContext()).getReactNativeHost();
         if (!rnHost.hasInstance()) {