From c7109c1525deb45052d67c9ab704bfb2825cd9ed Mon Sep 17 00:00:00 2001
From: jkhsjdhjs <leon.moeller@yahoo.de>
Date: Tue, 16 Aug 2016 19:59:12 +0200
Subject: [PATCH] fixes prev + next on undefined

---
 src/main.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/main.js b/src/main.js
index 5bc8e4f..6cfd149 100644
--- a/src/main.js
+++ b/src/main.js
@@ -233,7 +233,7 @@ http.createServer((req, res) => {
         next: null,
         prev: null
       };
-      if(rows.length && rows[0][0].id == parseInt(url)) {
+      if(rows.length && rows[0].length && rows[0][0].id == parseInt(url)) {
         var e = rows[0][0];
         switch(e.mime) {
           case "image/png":
@@ -257,13 +257,13 @@ http.createServer((req, res) => {
         data.size = formatSize(e.size);
         data.userchannel = e.userchannel;
         data.usernetwork = e.usernetwork;
-        if(rows.length >= 2) {
+        if(rows.length >= 2 && rows[1].length) {
           if(rows[1][0].id > parseInt(url))
             data.next = rows[1][0].id;
           else
             data.prev = rows[1][0].id;
         }
-        if(rows.length >= 3) {
+        if(rows.length >= 3 && rows[2].length) {
           if(rows[2][0].id > parseInt(url))
             data.next = rows[2][0].id;
           else