now printing reports

src/core/marketplace.cpp

@@ -155,6 +155,47 @@ void Marketplace::exportReportToCSV(const std::string& filename, int feeInPercen
     }
 }
 
+int Marketplace::getOverallSumInCent()
+{
+    int sum = std::accumulate(sellers_.begin(), sellers_.end(), 0,
+                              [](int a, const auto& b) { return a + b->sumInCents(); });
+    return sum;
+}
+
+std::string Marketplace::getOverallSumAsString()
+{
+    int sum = getOverallSumInCent();
+    std::stringstream sumStream;
+    sumStream << std::right << std::setw(10) << std::showbase << std::put_money(sum, false);
+    return sumStream.str();
+}
+
+int Marketplace::getOverallPaymentInCent(int percent, int maxFee)
+{
+    int sum = std::accumulate(
+        sellers_.begin(), sellers_.end(), 0, [percent, maxFee](int a, const auto& b) {
+            return a + b->sumInCents() - marketFee(b->sumInCents(), percent, maxFee);
+        });
+    return sum;
+}
+
+std::string Marketplace::getOverallPaymentAsString(int percent, int maxFee)
+{
+    int sum = getOverallPaymentInCent(percent, maxFee);
+    std::stringstream sumStream;
+    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;
+    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)
 {
     int fee = (sum * percent) / 100.0L;

src/core/marketplace.h

@@ -41,6 +41,12 @@ class Marketplace
     void finishCurrentSale(std::unique_ptr<Sale> sale);
     void removeSale(boost::uuids::uuid uuid);
 
+    int getOverallSumInCent();
+    std::string getOverallSumAsString();
+    int getOverallPaymentInCent(int percent, int maxFee);
+    std::string getOverallPaymentAsString(int percent, int maxFee);
+    std::string getOverallRevenueAsString(int percent, int maxFee);
+
     void exportReportToCSV(const std::string& filename, int feeInPercent, int maxFeeInEuro);
 
   private:

src/gui/CMakeLists.txt

@@ -7,6 +7,7 @@ set(CMAKE_AUTOUIC ON)
 
 # Find the QtWidgets library
 find_package(Qt5Widgets CONFIG REQUIRED)
+find_package(Qt5PrintSupport CONFIG REQUIRED)
 
 set(GUI_SOURCES
     kima2.cpp
@@ -28,4 +29,4 @@ set(GUI_SOURCES
 
 add_executable(kima2 ${GUI_SOURCES})
 target_include_directories(kima2 PRIVATE ${PROJECT_BINARY_DIR})
-target_link_libraries(kima2 core Qt5::Widgets stdc++fs)
+target_link_libraries(kima2 core Qt5::Widgets Qt5::PrintSupport stdc++fs)

src/gui/reportdialog.cpp

@@ -3,7 +3,10 @@
 #include "mainwindow.h"
 
 #include <QFileDialog>
+#include <QPainter>
 #include <QSettings>
+#include <QtPrintSupport/QPrintDialog>
+#include <QtPrintSupport/QPrinter>
 
 ReportDialog::ReportDialog(QWidget* parent, Qt::WindowFlags f) : QDialog(parent, f)
 {
@@ -13,7 +16,10 @@ ReportDialog::ReportDialog(QWidget* parent, Qt::WindowFlags f) : QDialog(parent,
     ui_.reportView->setModel(model_.get());
     ui_.reportView->hideColumn(0);
 
-    connect(ui_.exportCsvButton, &QPushButton::clicked, this, &ReportDialog::onExportCsvButtonClicked);
+    connect(ui_.exportCsvButton, &QPushButton::clicked, this,
+            &ReportDialog::onExportCsvButtonClicked);
+    connect(ui_.printReportButton, &QPushButton::clicked, this,
+            &ReportDialog::onPrintReportButtonClicked);
 }
 
 void ReportDialog::onExportCsvButtonClicked()
@@ -27,6 +33,84 @@ void ReportDialog::onExportCsvButtonClicked()
     fileDialog.setNameFilter("CSV Files (*.csv)");
     fileDialog.setAcceptMode(QFileDialog::AcceptSave);
     if (fileDialog.exec()) {
-        market_->exportReportToCSV(fileDialog.selectedFiles().at(0).toStdString(), feeInPercent, maxFeeInEuro);
+        market_->exportReportToCSV(fileDialog.selectedFiles().at(0).toStdString(), feeInPercent,
+                                   maxFeeInEuro);
     }
 }
+
+void ReportDialog::onPrintReportButtonClicked()
+{
+    QPrinter printer;
+
+    QPrintDialog dialog(&printer, this);
+    dialog.setWindowTitle("Bericht drucken");
+
+    if (dialog.exec() != QDialog::Accepted) {
+        return;
+    }
+
+    QSettings settings;
+    int feeInPercent = settings.value("global/feeInPercent").toInt();
+    int maxFeeInEuro = settings.value("global/maxFeeInEuro").toInt();
+
+    QPainter painter;
+    int height = printer.height();
+    int width = printer.width();
+    const double ENTRIES_PER_PAGE = 50.0;
+    const auto& sellers = market_->getSellers();
+    unsigned int numPages = std::ceil(sellers.size() / ENTRIES_PER_PAGE);
+
+    painter.begin(&printer);
+
+    for (unsigned int i = 1; i <= numPages; ++i) {
+        if (i > 1)
+            printer.newPage();
+        painter.setFont(QFont("Arial", 16, QFont::Bold));
+        painter.drawText(QRect(0, 0, width, height), Qt::AlignTop | Qt::AlignHCenter,
+                         "Auswertung Kindersachenmarkt");
+        painter.setFont(QFont("monospace", 12));
+        QString content;
+        content += QString("%1 %2 %3 %4 %5 %6 %7")
+                       .arg("Nr.", -3)
+                       .arg("Nachname", -14)
+                       .arg("Vorname", -14)
+                       .arg("geliefert", -9)
+                       .arg("verkauft", -8)
+                       .arg("Umsatz", -10)
+                       .arg("Auszahlung\n", -11);
+        content.append(
+            "---------------------------------------------------------------------------\n");
+        for (unsigned int j = 0; j < ENTRIES_PER_PAGE && (i * j) < sellers.size(); ++j) {
+            content += QString("%1 %2 %3 %4 %5 %6 %7\n")
+                           .arg(sellers.at(i * j)->getSellerNo(), 3)
+                           .arg(sellers.at(i * j)->getLastName().c_str(), -14)
+                           .arg(sellers.at(i * j)->getFirstName().c_str(), -14)
+                           .arg(sellers.at(i * j)->numArticlesOffered(), 9)
+                           .arg(sellers.at(i * j)->numArticlesSold(), 8)
+                           .arg(sellers.at(i * j)->sumAsString().c_str(), 10)
+                           .arg(paymentAsString(sellers.at(i * j)->sumInCents(), feeInPercent,
+                                                maxFeeInEuro * 100)
+                                    .c_str(),
+                                11);
+        }
+        painter.drawText(QRect(0, 50, width, height), Qt::AlignLeft, content);
+    }
+
+    // now print the overall statistics
+    printer.newPage();
+    painter.setFont(QFont("Arial", 16, QFont::Bold));
+    painter.drawText(QRect(0, 0, width, height), Qt::AlignTop | Qt::AlignHCenter,
+                     "Auswertung Kindersachenmarkt");
+    painter.setFont(QFont("monospace", 12));
+    QString content("Gesamtstatistik\n---------------\n\n");
+    content += QString("Registrierte Verkäufer: %1\n").arg(sellers.size(), 6);
+    content += QString("Verkaufte Artikel:      %1\n\n").arg(6, 6);
+    content += QString("Gesamtumsatz:     %1\n").arg(market_->getOverallSumAsString().c_str(), 10);
+    content += QString("Ausgezahlt:       %1\n")
+                   .arg(market_->getOverallPaymentAsString(feeInPercent, maxFeeInEuro * 100).c_str(), 10);
+    content += QString("Verbleibend:      %1\n")
+                   .arg(market_->getOverallRevenueAsString(feeInPercent, maxFeeInEuro * 100).c_str(), 10);
+    painter.drawText(QRect(0, 50, width, height), Qt::AlignLeft, content);
+
+    painter.end();
+}

src/gui/reportdialog.h

@@ -19,6 +19,7 @@ class ReportDialog : public QDialog
 
   private slots:
     void onExportCsvButtonClicked();
+    void onPrintReportButtonClicked();
 
   private:
     Ui::ReportDialog ui_;

src/gui/reportdialog.ui

@@ -46,7 +46,7 @@
         </widget>
        </item>
        <item>
-        <widget class="QPushButton" name="pushButton_3">
+        <widget class="QPushButton" name="printReportButton">
          <property name="text">
           <string>Übersicht drucken</string>
          </property>