Fix creating new db

src/core/database.cpp

@@ -41,6 +41,8 @@ void Database::newDb()
 {
     namespace fs = std::filesystem;
 
+    sqlite3_close(db_);
+
     fs::path sourcePath = dbname_;
     fs::path destPath = sourcePath.parent_path() / sourcePath.stem();
     destPath += std::string("_") += boost::posix_time::to_iso_string(boost::posix_time::second_clock::local_time()) += ".db";

src/gui/mainwindow.cpp

@@ -62,6 +62,7 @@ MainWindow::MainWindow()
         dynamic_cast<BasketModel*>(ui_.basketView->model())->cancelSale();
         marketplace_->clear();
         setSaleModel();
+        updateStatLabel();
     });
 
     ui_.sellerNoEdit->installEventFilter(this);