From 24addad11e64584d89c2982ecf39a456c5e40cbf Mon Sep 17 00:00:00 2001
From: Gerhard Hoffmann <g.hoffmann@atb-online.eu>
Date: Wed, 8 May 2024 16:09:18 +0200
Subject: [PATCH] Implement getFileversion().

---
 DownloadDCJsonFiles/update.cpp | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/DownloadDCJsonFiles/update.cpp b/DownloadDCJsonFiles/update.cpp
index dded6e9..420b895 100644
--- a/DownloadDCJsonFiles/update.cpp
+++ b/DownloadDCJsonFiles/update.cpp
@@ -279,6 +279,39 @@ bool Update::checkJsonVersions(QStringList const& jsonFileNames) {
     return false;
 }
 
+
+QString Update::getFileVersion(QString const& jsonFileName) {
+    // "version":"15.10.2023 14:55 02.00.06",
+    static const QRegularExpression re("^.*(\\\"[Vv]ersion\\\":)([\\s\\\"]{0,})([^,\\\"]{0,}).*$");
+
+    QString fileVersion("");
+    QFile inputFile(QDir::cleanPath(m_customerRepository + QDir::separator() + jsonFileName));
+
+    if (inputFile.exists()) {
+        if (inputFile.open(QIODevice::ReadOnly)) {
+           QTextStream in(&inputFile);
+           while (!in.atEnd()) {
+              QString line = in.readLine();
+
+              QRegularExpressionMatch match;
+              int idx = line.indexOf(re, 0, &match);
+              if (idx != -1) {
+                  int const lastCaptured = match.lastCapturedIndex();
+                  // the dc only sends 16 Byte
+                  fileVersion = match.captured(lastCaptured);
+                  fileVersion.truncate(16);
+                  break;
+              }
+           }
+           inputFile.close();
+        }
+    } else {
+        // qCritical() << "ERROR" << inputFile.fileName() << "does not exist";
+    }
+
+    return fileVersion;
+}
+
 bool Update::downloadJson(enum FileTypeJson type,
                           int templateIdx,
                           QString jsFileToSendToDC) const {