Finally fix online library hanging on sync

src/functions.h

@@ -262,13 +262,13 @@ namespace {
             QTextStream in (&config);
             const QString content = in.readAll();
             std::string contentstr = content.toStdString();
+            config.close();
             if(contentstr.find("true") != std::string::npos) {
                 return true;
             }
             else {
                 return false;
             }
-            config.close();
         }
         else {
             return false;
@@ -282,13 +282,13 @@ namespace {
             QTextStream in (&config);
             const QString content = in.readAll();
             std::string contentstr = content.toStdString();
+            config.close();
             if(contentstr.find("true") != std::string::npos) {
                 return true;
             }
             else {
                 return false;
             }
-            config.close();
         }
         else {
             return false;
@@ -485,6 +485,7 @@ namespace {
         QTextStream in (&config);
         const QString content = in.readAll();
         std::string contentstr = content.toStdString();
+        config.close();
 
         // Thanks to https://stackoverflow.com/questions/22516463/how-do-i-find-a-complete-word-not-part-of-it-in-a-string-in-c
         std::regex r("\\b" + pattern + "\\b");
@@ -496,7 +497,6 @@ namespace {
         else {
             return false;
         }
-        config.close();
         return 0;
     };
     bool isBatteryLow() {

src/onlineLibrary/librarywidget.cpp

@@ -264,14 +264,15 @@ void libraryWidget::closeIndefiniteToast() {
 void libraryWidget::syncCatalog() {
     global::toast::modalToast = true;
     global::toast::indefiniteToast = true;
-    bool syncDone = false;
     log("Gutenberg sync in progress", className);
     showToast("Sync in progress");
+    QTimer::singleShot(500, this, SLOT(syncCatalogSlot()));
+}
 
+void libraryWidget::syncCatalogSlot() {
+    bool syncDone = false;
     string_writeconfig("/opt/ibxd", "gutenberg_sync\n");
-    QTimer * syncCheckTimer = new QTimer(this);
-    syncCheckTimer->setInterval(500);
-    connect(syncCheckTimer, &QTimer::timeout, [&]() {
+    while(true) {
         if(syncDone == false) {
             if(QFile::exists("/inkbox/gutenbergSyncDone") == true) {
                 if(checkconfig("/inkbox/gutenbergSyncDone") == true) {
@@ -286,10 +287,11 @@ void libraryWidget::syncCatalog() {
                 }
                 QFile::remove("/inkbox/gutenbergSyncDone");
                 syncDone = true;
+                break;
             }
         }
-    } );
-    syncCheckTimer->start();
+        QThread::msleep(500);
+    }
 }
 
 void libraryWidget::on_previousBtn_clicked()

src/onlineLibrary/librarywidget.h

@@ -29,6 +29,7 @@ private:
 
 private slots:
     void syncCatalog();
+    void syncCatalogSlot();
     void setupView();
     void showToast(QString messageToDisplay);
     void closeIndefiniteToast();