From afc439f19a042b0daeb6b93bde8868c1e4c7e74d Mon Sep 17 00:00:00 2001
From: Dorian Niemiec <dorian.niemiec@svrjs.org>
Date: Wed, 17 Apr 2024 18:01:22 +0200
Subject: [PATCH] Fix server crashing when there was MongoDB connection error

---
 backend/serverSideScript.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/backend/serverSideScript.js b/backend/serverSideScript.js
index 77f96e8..2d72f91 100644
--- a/backend/serverSideScript.js
+++ b/backend/serverSideScript.js
@@ -41,7 +41,7 @@ function generateUniqueShortenedURLID(db, callback) {
   var id = generateShortenedURLID();
   db.collection("urls").find({id: id}).toArray(function(err, result) {
     if (err) {
-      db.close();
+      if(db.close) db.close();
       callServerError(500, err);
       return;
     }
@@ -132,7 +132,7 @@ if (href.match(/^\/admin\/?$/)) {
        connectMongo(function(db) {
          db.collection("urls").find({url: purl}).toArray(function(err, result) {
            if (err) {
-             db.close();
+             if(db.close) db.close();
              callServerError(500, err);
              return;
            }
@@ -142,7 +142,7 @@ if (href.match(/^\/admin\/?$/)) {
              generateUniqueShortenedURLID(db, function(id) {
                db.collection("urls").insertOne({id: id, url: purl}, function(err, dbres) {
                  if (err) {
-                   db.close();
+                   if(db.close) db.close();
                    callServerError(500, err);
                    return;
                  }
@@ -160,7 +160,7 @@ if (href.match(/^\/admin\/?$/)) {
     connectMongo(function(db) {
       db.collection("urls").find({id: id}).toArray(function(err, result) {
         if (err) {
-          db.close();
+          if(db.close) db.close();
           callServerError(500, err);
           return;
         }