From 2448943a4699037392a431f1594ff8fef286d47b Mon Sep 17 00:00:00 2001
From: Sevan Nerse <nerse.sevan@gmail.com>
Date: Sat, 30 Jan 2021 21:15:59 +0300
Subject: [PATCH] existence of attachment must be checked

---
 app/Models/Document/Document.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app/Models/Document/Document.php b/app/Models/Document/Document.php
index 45e56b088..6969acbf0 100644
--- a/app/Models/Document/Document.php
+++ b/app/Models/Document/Document.php
@@ -227,8 +227,10 @@ class Document extends Model
 
     public function delete_attachment()
     {
-        foreach ($this->attachment as $file) {
-            MediaModel::where('id', $file->id)->delete();
+        if ($attachments = $this->attachment) {
+            foreach ($attachments as $file) {
+                MediaModel::where('id', $file->id)->delete();
+            }
         }
     }