From 157322834b0854eb4fe19ce95ebad9b81b87026b Mon Sep 17 00:00:00 2001
From: Book Pauk <bookpauk@gmail.com>
Date: Wed, 9 Dec 2020 22:30:19 +0700
Subject: [PATCH] =?UTF-8?q?=D0=9D=D0=B5=D0=B1=D0=BE=D0=BB=D1=8C=D1=88?=
 =?UTF-8?q?=D0=B0=D1=8F=20=D0=BF=D0=BE=D0=BF=D1=80=D0=B0=D0=B2=D0=BA=D0=B0?=
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---
 server/core/Reader/BookConverter/ConvertPdf.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/server/core/Reader/BookConverter/ConvertPdf.js b/server/core/Reader/BookConverter/ConvertPdf.js
index 07533441..cc122a6e 100644
--- a/server/core/Reader/BookConverter/ConvertPdf.js
+++ b/server/core/Reader/BookConverter/ConvertPdf.js
@@ -283,8 +283,8 @@ class ConvertPdf extends ConvertHtml {
             let metaXmlParsed = xmlParser.parseXml(metaXmlString);
             metaXmlParsed = xmlParser.simplifyXmlParsed(metaXmlParsed);
             if (metaXmlParsed.metadata) {
-                title = (metaXmlParsed.metadata.title ? metaXmlParsed.metadata.title._t : null);
-                author = (metaXmlParsed.metadata.author ? metaXmlParsed.metadata.author._t : null);
+                title = (metaXmlParsed.metadata.title ? metaXmlParsed.metadata.title._t : '');
+                author = (metaXmlParsed.metadata.author ? metaXmlParsed.metadata.author._t : '');
             }
         }
 
@@ -295,8 +295,10 @@ class ConvertPdf extends ConvertHtml {
         //формируем текст
         const limitSize = 2*this.config.maxUploadFileSize;
         let text = '';
-        text += `<fb2-title>${title}</fb2-title>`;
-        text += `<fb2-author>${author}</fb2-author>`;
+        if (title)
+            text += `<fb2-title>${title}</fb2-title>`;
+        if (author)
+            text += `<fb2-author>${author}</fb2-author>`;
 
         let concat = '';
         let sp = '';