Begin with fetching versions of downloaded json-files.

DownloadDCJsonFiles/update.cpp

@@ -230,6 +230,64 @@ bool Update::doUpdate(QStringList const &filesToWorkOn) {
     return res;
 }
 
+bool Update::checkDownloadedJsonVersions(QStringList const& jsonFileNames) {
+    for (QStringList::size_type i=0; i < jsonFileNames.size(); ++i) {
+
+        uint8_t jsonNr = 0;
+
+        QString const &fName = jsonFileNames[i];
+
+        if (fName.endsWith("conf.json")) {
+            jsonNr = 1;
+        } else
+        if (fName.endsWith("device.json")) {
+            jsonNr = 2;
+        } else
+        if (fName.endsWith("cash.json")) {
+            jsonNr = 3;
+        } else {
+            QRegularExpressionMatch match;
+            static const QRegularExpression re("^(.*print)([0-3][0-9])\\.json\\s*$");
+            int idx = fName.indexOf(re, 0, &match);
+            if (idx != -1) {
+                QString captured = match.captured(match.lastCapturedIndex());
+                bool ok = false;
+                int n = captured.toInt(&ok);
+                if (ok) {
+                    jsonNr = n + 4;
+                }
+            }
+        }
+
+        if (jsonNr != 0) {
+#if 0
+            m_hw->sys_requestJsonVersions(jsonNr);
+            QThread::msleep(500);
+
+            char buf[64];
+            memset(buf, 0x00, sizeof(buf));
+            m_hw->sys_getJsonVersions(jsonNr, buf);
+            buf[sizeof(buf)-1] = '\0';
+
+            QString const installedVersion(buf);
+            QString const fileVersion = getFileVersion(jsonFileNames[i]);
+
+            qCritical() << "installed version:" << installedVersion;
+            qCritical() << "     file version:" << fileVersion;
+
+            if (installedVersion == fileVersion) {
+
+            }
+#endif
+
+        } else {
+            qCritical() << "CANNOT FIND JSON-NR FOR" << fName;
+        }
+    }
+
+    return false;
+}
+
 bool Update::downloadJson(enum FileTypeJson type,
                           int templateIdx,
                           QString jsFileToSendToDC) const {

DownloadDCJsonFiles/update.h

@@ -66,6 +66,8 @@ public:
     bool downloadJson(enum FileTypeJson type, int templateIdx,
                       QString jsFileToSendToDC) const;
 
+
+    bool checkDownloadedJsonVersions(QStringList const& jsonFileNames);
 /*
     bool checkDownloadedJsonVersions(QStringList const& jsonFileNames);