format money correctly

src/core/marketplace.cpp

@@ -114,8 +114,12 @@ int Marketplace::getBasketSumInCent()
 std::string Marketplace::getBasketSumAsString()
 {
     int sumInCent = getBasketSumInCent();
-    double sumInEuro = sumInCent / 100.0L;
+    // double sumInEuro = sumInCent / 100.0L;
+    // std::stringstream sumStream;
+    // sumStream << std::fixed << std::setprecision(2) << sumInEuro << " €";
+    // return sumStream.str();
     std::stringstream sumStream;
-    sumStream << std::fixed << std::setprecision(2) << sumInEuro << " €";
+    sumStream.imbue(std::locale("de_DE.utf8"));
+    sumStream << std::right << std::setw(12) << std::showbase << std::put_money(sumInCent, false);
     return sumStream.str();
 }