From 83ce4a8099f31393dbe49433852fdbb698a77c84 Mon Sep 17 00:00:00 2001
From: Min-Soo Kim <misol.kr@gmail.com>
Date: Wed, 17 Jun 2020 23:00:14 +0900
Subject: [PATCH] Countable or not, in communication view. (#1321)
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* 커뮤니케이션 모듈 내용 중 null 이 반환되는 가능성이 있는 부분 예외 상황 대응

https://github.com/rhymix/rhymix/pull/1309 연관
---
 modules/communication/communication.view.php | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/modules/communication/communication.view.php b/modules/communication/communication.view.php
index 32416441b..06f175cea 100644
--- a/modules/communication/communication.view.php
+++ b/modules/communication/communication.view.php
@@ -294,12 +294,16 @@ class communicationView extends communication
 		$oCommunicationModel = getModel('communication');
 
 		// get a group list
+		$friend_group_list = array();
 		$tmp_group_list = $oCommunicationModel->getFriendGroups();
-		$group_count = count($tmp_group_list);
-
-		for($i = 0; $i < $group_count; $i++)
+		if (is_countable($tmp_group_list))
 		{
-			$friend_group_list[$tmp_group_list[$i]->friend_group_srl] = $tmp_group_list[$i];
+			$group_count = count($tmp_group_list);
+			
+			for($i = 0; $i < $group_count; $i++)
+			{
+				$friend_group_list[$tmp_group_list[$i]->friend_group_srl] = $tmp_group_list[$i];
+			}
 		}
 
 		Context::set('friend_group_list', $friend_group_list);
@@ -381,6 +385,10 @@ class communicationView extends communication
 
 		// get a group list
 		$friend_group_list = $oCommunicationModel->getFriendGroups();
+		if(!is_countable($friend_group_list))
+		{
+			$friend_group_list = array();
+		}
 		Context::set('friend_group_list', $friend_group_list);
 
 		$this->setTemplateFile('add_friend');