Basic JSON RESTful client fetching items from a local server at application start and adding them to the model.

model/tablemodel.cpp

@@ -193,6 +193,12 @@ void TableModel::insertItems(int startPosition,
                              const QModelIndex& parentIndex) {
   const QList<ModelItemValues> valueList = JsonParser::toItemValuesList(jsonDoc, ITEM_KEY_STRING);
 
+  if (valueList.empty()) {
+    /// don't try inserting if no values to insert
+    qDebug() << "No items found in JSON document. Not adding anything...";
+    return;
+  }
+
   insertItems(startPosition, valueList, parentIndex);
 }