format money even when locale is not supported

src/core/article.cpp

@@ -1,4 +1,5 @@
 #include "article.h"
+#include "utils.h"
 
 #include <iomanip>
 #include <sstream>
@@ -30,10 +31,7 @@ int Article::getPrice() const { return price_; }
 
 std::string Article::getPriceAsString() const
 {
-    std::stringstream sumStream;
+    return formatCentAsEuroString(price_);
-    // sumStream.imbue(std::locale("de_DE.utf8"));
-    sumStream << std::right << std::setw(10) << std::showbase << std::put_money(price_, false);
-    return sumStream.str();
 }
 
 int Article::getArticleNo() const { return articleNo_; }

src/core/marketplace.cpp

@@ -1,5 +1,6 @@
 #include "marketplace.h"
 #include "database.h"
+#include "utils.h"
 
 #include <algorithm>
 #include <fstream>
@@ -117,14 +118,8 @@ int Marketplace::getBasketSumInCent()
 std::string Marketplace::getBasketSumAsString()
 {
     int sumInCent = getBasketSumInCent();
-    // double sumInEuro = sumInCent / 100.0L;
+
-    // std::stringstream sumStream;
+    return formatCentAsEuroString(sumInCent);
-    // sumStream << std::fixed << std::setprecision(2) << sumInEuro << " €";
-    // return sumStream.str();
-    std::stringstream sumStream;
-    // sumStream.imbue(std::locale("de_DE.utf8"));
-    sumStream << std::right << std::setw(10) << std::showbase << std::put_money(sumInCent, false);
-    return sumStream.str();
 }
 
 void Marketplace::removeSale(boost::uuids::uuid uuid)
@@ -165,9 +160,7 @@ int Marketplace::getOverallSumInCent()
 std::string Marketplace::getOverallSumAsString()
 {
     int sum = getOverallSumInCent();
-    std::stringstream sumStream;
+    return formatCentAsEuroString(sum);
-    sumStream << std::right << std::setw(10) << std::showbase << std::put_money(sum, false);
-    return sumStream.str();
 }
 
 int Marketplace::getOverallPaymentInCent(int percent, int maxFee)
@@ -182,18 +175,14 @@ int Marketplace::getOverallPaymentInCent(int percent, int maxFee)
 std::string Marketplace::getOverallPaymentAsString(int percent, int maxFee)
 {
     int sum = getOverallPaymentInCent(percent, maxFee);
-    std::stringstream sumStream;
+    return formatCentAsEuroString(sum);
-    sumStream << std::right << std::setw(10) << std::showbase << std::put_money(sum, false);
-    return sumStream.str();
 }
 
 std::string Marketplace::getOverallRevenueAsString(int percent, int maxFee)
 {
     int sum = getOverallSumInCent();
     int pay = getOverallPaymentInCent(percent, maxFee);
-    std::stringstream sumStream;
+    return formatCentAsEuroString(sum - pay);
-    sumStream << std::right << std::setw(10) << std::showbase << std::put_money(sum - pay, false);
-    return sumStream.str();
 }
 
 double marketFee(int sum, int percent, int maxFee)
@@ -207,18 +196,12 @@ double marketFee(int sum, int percent, int maxFee)
 
 std::string marketFeeAsString(int sum, int percent, int maxFee)
 {
-    std::stringstream feeStream;
+    return formatCentAsEuroString(marketFee(sum, percent, maxFee));
-    feeStream << std::right << std::setw(10) << std::showbase
-              << std::put_money(marketFee(sum, percent, maxFee), false);
-    return feeStream.str();
 }
 
 std::string paymentAsString(int sumInCent, int percent, int maxFeeInCent)
 {
-    std::stringstream feeStream;
+    return formatCentAsEuroString(sumInCent - marketFee(sumInCent, percent, maxFeeInCent));
-    feeStream << std::right << std::setw(10) << std::showbase
-              << std::put_money(sumInCent - marketFee(sumInCent, percent, maxFeeInCent), false);
-    return feeStream.str();
 }
 
 std::string escapeCsvValue(const std::string& value, const char delimiter)

src/core/sale.cpp

@@ -1,4 +1,5 @@
 #include "sale.h"
+#include "utils.h"
 
 #include <numeric>
 
@@ -31,12 +32,7 @@ int Sale::sumInCents()
     return sum;
 }
 
-std::string Sale::sumAsString()
+std::string Sale::sumAsString() { return formatCentAsEuroString(sumInCents()); }
-{
-    std::stringstream sumStream;
-    sumStream << std::right << std::setw(10) << std::showbase << std::put_money(sumInCents(), false);
-    return sumStream.str();
-}
 
 std::string Sale::getTimestamp() { return timestamp_; }
 

src/core/seller.cpp

@@ -1,8 +1,9 @@
 #include "seller.h"
+#include "utils.h"
 
+#include <iomanip>
 #include <numeric>
 #include <sstream>
-#include <iomanip>
 
 Seller::Seller(const std::string& firstName, const std::string& lastName, int sellerNo,
                int numArticlesOffered)
@@ -91,14 +92,8 @@ int Seller::sumInCents()
     return sum;
 }
 
-std::string Seller::sumAsString()
+std::string Seller::sumAsString() { return formatCentAsEuroString(sumInCents()); }
-{
-    std::stringstream sumStream;
-    sumStream << std::right << std::setw(10) << std::showbase << std::put_money(sumInCents(), false);
-    return sumStream.str();
-}
 
-// int Seller::numArticlesTotal() const { return static_cast<int>(getArticles().size()); }
 
 bool operator<(const Seller& li, const Seller& re) { return li.sellerNo_ < re.sellerNo_; }
 bool operator<(const std::unique_ptr<Seller>& li, const std::unique_ptr<Seller>& re)

src/core/utils.cpp

@@ -0,0 +1,21 @@
+#include "utils.h"
+
+#include <iomanip>
+#include <numeric>
+
+std::string formatCentAsEuroString(const int cent, int width)
+{
+    std::stringstream currStream;
+
+    try {
+        std::locale myLocale("de_DE.utf8");
+        currStream.imbue(myLocale);
+        currStream << std::right << std::setw(width) << std::showbase
+                   << std::put_money(cent, false);
+    } catch (std::runtime_error& err) {
+        currStream << std::fixed << std::setw(width) << std::setprecision(2) << cent / 100.0L
+                   << " €";
+    }
+
+    return currStream.str();
+}

src/core/utils.h

@@ -0,0 +1,8 @@
+#ifndef UTILS_H
+#define UTILS_H
+
+#include <string>
+
+std::string formatCentAsEuroString(const int cent, int width = 10);
+
+#endif