From 2d47fb4f4ddd21b7f954f1d140575471fac78740 Mon Sep 17 00:00:00 2001
From: Alexey Skobkin <x@skobkin.ru>
Date: Sat, 7 Jan 2017 21:56:09 +0300
Subject: [PATCH] Telegram bot empty subscribers change notification fix.

---
 .../PointToolsBundle/Service/SubscriptionsManager.php     | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/Skobkin/Bundle/PointToolsBundle/Service/SubscriptionsManager.php b/src/Skobkin/Bundle/PointToolsBundle/Service/SubscriptionsManager.php
index 38bf7df..04ae19b 100644
--- a/src/Skobkin/Bundle/PointToolsBundle/Service/SubscriptionsManager.php
+++ b/src/Skobkin/Bundle/PointToolsBundle/Service/SubscriptionsManager.php
@@ -84,9 +84,11 @@ class SubscriptionsManager
         // Removing users from database
         $this->em->getRepository('SkobkinPointToolsBundle:Subscription')->removeSubscribers($user, $unsubscribedList);
 
-        // Dispatching event
-        $subscribersUpdatedEvent = new UserSubscribersUpdatedEvent($user, $subscribedList, $unsubscribedList);
-        $this->eventDispatcher->dispatch(UserSubscribersUpdatedEvent::NAME, $subscribersUpdatedEvent);
+        if (0 !== count($subscribedList) || 0 !== count($unsubscribedList)) {
+            // Dispatching event
+            $subscribersUpdatedEvent = new UserSubscribersUpdatedEvent($user, $subscribedList, $unsubscribedList);
+            $this->eventDispatcher->dispatch(UserSubscribersUpdatedEvent::NAME, $subscribersUpdatedEvent);
+        }
     }
 
     /**