Items can be saved to JSON file "items.json" (in standard location).

model/tablemodel.cpp

@@ -6,6 +6,10 @@
 #include "commands/removerowscommand.h"
 #include "modelitem.h"
 
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QJsonObject>
+
 QHash<int, QByteArray> TableModel::ROLE_NAMES = {{NameRole, "Name"},
                                                  {DescriptionRole, "Description"},
                                                  {InfoRole, "Info"},
@@ -241,3 +245,18 @@ bool TableModel::isEmptyValueEqualToZero(const int role) const {
   }
   return false;
 }
+
+QJsonDocument TableModel::getAllItemsAsJsonDoc() const {
+  QJsonDocument doc = QJsonDocument();
+  QJsonObject rootObject;
+  QJsonArray array;
+
+  foreach (shared_ptr<ModelItem> item, m_items) {
+    QJsonObject itemObject = item->toJsonObject();
+    array.append(itemObject);
+  }
+  rootObject.insert("items", array);
+
+  doc.setObject(rootObject);
+  return doc;
+}