Fixed the column names in CSV export.

UIs/BeetRoundWidgets/CMakeLists.txt

@@ -11,7 +11,7 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Widgets LinguistTools)
-find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Widgets LinguistTools)
+find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Widgets LinguistTools Charts)
 
 set(TS_FILES ${TARGET_APP}_en_US.ts)
 
@@ -37,6 +37,9 @@ if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)
         widgets/comboboxdelegate.h widgets/comboboxdelegate.cpp
         widgets/spinboxdelegate.h widgets/spinboxdelegate.cpp
         widgets/biddingroundcontrol.h widgets/biddingroundcontrol.cpp
+        widgets/summarywidget.h widgets/summarywidget.cpp
+        widgets/biddingroundstatuswidget.h widgets/biddingroundstatuswidget.cpp
+        widgets/biddingroundprogresslayout.h widgets/biddingroundprogresslayout.cpp
     )
 # Define target properties for Android with Qt 6 as:
 #    set_property(TARGET ${TARGET_APP} APPEND PROPERTY QT_ANDROID_PACKAGE_SOURCE_DIR
@@ -63,7 +66,7 @@ endif()
 
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
-target_link_libraries(${TARGET_APP} PRIVATE Qt${QT_VERSION_MAJOR}::Widgets)
+target_link_libraries(${TARGET_APP} PRIVATE Qt${QT_VERSION_MAJOR}::Widgets Qt${QT_VERSION_MAJOR}::Charts)
 
 target_include_directories(${TARGET_APP} PRIVATE ${CORE_LIB_DIR}/)
 target_link_libraries(${TARGET_APP} PRIVATE BeetRoundCore)

UIs/BeetRoundWidgets/dialogs/edititemdialog.cpp

@@ -8,8 +8,7 @@
 
 EditItemDialog::EditItemDialog(QTableView* tableView, QWidget* parent)
     : AbstractDialog(QDialogButtonBox::Ok, parent)
-    , m_tableView(tableView)
+    , m_tableView(tableView) {}
-    , m_qrCodeDisplay(new QLabel("QR Code")) {}
 
 void EditItemDialog::createContent() {
   if (m_contentContainer) {
@@ -26,11 +25,13 @@ void EditItemDialog::createContent() {
   m_detailMapper->setModelMappings(m_tableView);
   innerLayout->addWidget(m_detailMapper);
 
-  updateQRCode();
-  connect(m_detailMapper, &ItemDetailMapper::contentChanged, this, &EditItemDialog::updateQRCode);
-  innerLayout->addWidget(m_qrCodeDisplay);
-
   m_outerLayout->insertWidget(0, m_contentContainer);
+
+  /// online user stuff
+  connect(m_detailMapper, &ItemDetailMapper::createOnlineAccountTriggered, this,
+          &EditItemDialog::createOnlineAccountTriggered);
+  connect(m_detailMapper, &ItemDetailMapper::sendInviteMailTriggered, this,
+          &EditItemDialog::sendInviteMailTriggered);
 }
 
 void EditItemDialog::accept() {
@@ -42,16 +43,3 @@ void EditItemDialog::reject() {
   m_detailMapper->revert();
   QDialog::reject();
 }
-
-void EditItemDialog::updateQRCode(const QString text) {
-  QImage unscaledImage;
-  if (text.isEmpty()) {
-    unscaledImage = QImage("://no-picture-taking.png");
-  } else {
-    unscaledImage = m_generator.generateQr(text);
-  }
-  QImage image = unscaledImage.scaled(250, 250);
-
-  m_qrCodeDisplay->setPixmap(QPixmap::fromImage(image));
-  m_qrCodeDisplay->setToolTip(text);
-}

UIs/BeetRoundWidgets/dialogs/edititemdialog.h

@@ -1,7 +1,6 @@
 #ifndef EDITITEMDIALOG_H
 #define EDITITEMDIALOG_H
 
-#include "QrCodeGenerator.h"
 #include "abstractdialog.h"
 
 class QDoubleSpinBox;
@@ -20,34 +19,17 @@ class EditItemDialog : public AbstractDialog {
   /// AbstractDialog interface
   void createContent() override;
 
+ signals:
+  void createOnlineAccountTriggered(const QString& mailAddress);
+  void sendInviteMailTriggered(const QString& mailAddress);
+
  public slots:
   void accept() override;
   void reject() override;
 
- private slots:
-  void updateQRCode(const QString text = "");
-
  private:
   QTableView* m_tableView = nullptr;
   ItemDetailMapper* m_detailMapper;
-
-  QLabel* m_nameLabel   = nullptr;
-  QLineEdit* m_nameEdit = nullptr;
-
-  QLabel* m_descriptionLabel   = nullptr;
-  QLineEdit* m_descriptionEdit = nullptr;
-
-  QLabel* m_infoLabel   = nullptr;
-  QLineEdit* m_infoEdit = nullptr;
-
-  QLabel* m_amountLabel = nullptr;
-  QSpinBox* m_amountBox = nullptr;
-
-  QLabel* m_factorLabel       = nullptr;
-  QDoubleSpinBox* m_factorBox = nullptr;
-
-  QLabel* m_qrCodeDisplay = nullptr;
-  QrCodeGenerator m_generator;
 };
 
 #endif  // EDITITEMDIALOG_H

UIs/BeetRoundWidgets/dialogs/newitemdialog.cpp

@@ -139,7 +139,7 @@ void NewItemDialog::resetContent() {
   m_firstNameEdit->setText("");
   m_shareTypeBox->setCurrentIndex(0);
   m_amountSpinBox->setValue(1);
-  m_biddingTypeBox->setCurrentIndex(0);
+  m_biddingTypeBox->setCurrentIndex(4);
   m_bidding1SpinBox->setValue(0);
   m_bidding2SpinBox->setValue(0);
   m_bidding3SpinBox->setValue(0);

UIs/BeetRoundWidgets/dialogs/settingsdialog.cpp

@@ -27,12 +27,12 @@ void SettingsDialog::createContent() {
   serverLayout->addWidget(m_urlEdit, 0, 1);
   QLabel* emailLabel = new QLabel("Email:");
   m_emailEdit        = new QLineEdit();
-  m_emailEdit->setEnabled(false);
+  // m_emailEdit->setEnabled(false);
   serverLayout->addWidget(emailLabel, 1, 0);
   serverLayout->addWidget(m_emailEdit, 1, 1);
   QLabel* passwordLabel = new QLabel("Password:");
   m_passwordEdit        = new QLineEdit();
-  m_passwordEdit->setEnabled(false);
+  // m_passwordEdit->setEnabled(false);
   m_passwordEdit->setEchoMode(QLineEdit::Password);
   serverLayout->addWidget(passwordLabel, 2, 0);
   serverLayout->addWidget(m_passwordEdit, 2, 1);

UIs/BeetRoundWidgets/mainwindow.cpp

@@ -20,6 +20,7 @@
 #include "widgets/biddingroundcontrol.h"
 #include "widgets/comboboxdelegate.h"
 #include "widgets/spinboxdelegate.h"
+#include "widgets/summarywidget.h"
 
 static int intColumnWidth = 30;
 
@@ -73,6 +74,10 @@ MainWindow::MainWindow(QWidget* parent)
   onCurrentChanged(QModelIndex(), QModelIndex());
 
   setupEventTab();
+
+  // #ifndef QT_DEBUG
+  initServerConnection();
+  // #endif
 }
 
 MainWindow::~MainWindow() { delete ui; }
@@ -349,6 +354,8 @@ void MainWindow::setupModelViews() {
   ui->tableView->setModel((QAbstractItemModel*)m_proxyModel.get());
   ui->tableView->setSortingEnabled(true);
   ui->tableView->setColumnWidth(0, intColumnWidth);
+
+  m_modelSummary = m_core->getModelSummary();
 }
 
 void MainWindow::createActions() {
@@ -554,5 +561,16 @@ void MainWindow::setupEventTab() {
   connect(m_core.get(), &GenericCore::currentBiddingRoundChanged, m_biddingRoundControl.get(),
           &BiddingRoundControl::onCurrentBiddingRoundChanged);
 
+  SummaryWidget* summaryWidget = new SummaryWidget(m_modelSummary, this);
+  containerLayout->addWidget(summaryWidget);
+
   ui->tabWidget->insertTab(0, containerWidget, "Event (&1)");
 }
+
+void MainWindow::initServerConnection() {
+  connect(m_editItemDialog.get(), &EditItemDialog::createOnlineAccountTriggered, m_core.get(),
+          &GenericCore::onCreateOnlineAccountTriggered);
+  connect(m_editItemDialog.get(), &EditItemDialog::sendInviteMailTriggered, m_core.get(),
+          &GenericCore::onSendInviteMailTriggered);
+  emit m_core->loginAndStoreAuthToken();
+}

UIs/BeetRoundWidgets/mainwindow.h

@@ -17,6 +17,7 @@ QT_END_NAMESPACE
 class GenericCore;
 class TableModel;
 class GeneralSortFilterModel;
+class ModelSummary;
 class NewItemDialog;
 class EditItemDialog;
 class BiddingRoundControl;
@@ -73,9 +74,12 @@ class MainWindow : public QMainWindow {
 
   unique_ptr<GenericCore> m_core;
   shared_ptr<GeneralSortFilterModel> m_proxyModel;
+  shared_ptr<ModelSummary> m_modelSummary;
+
   QUndoStack* m_modelUndoStack;
   unique_ptr<QUndoView> m_modelUndoView;
   unique_ptr<BiddingRoundControl> m_biddingRoundControl;
+
   /// File actions
   unique_ptr<QAction> m_newFileAct;
   unique_ptr<QAction> m_openAct;
@@ -116,5 +120,7 @@ class MainWindow : public QMainWindow {
   void createGuiDialogs();
 
   void setupEventTab();
+
+  void initServerConnection();
 };
 #endif  // MAINWINDOW_H

UIs/BeetRoundWidgets/views/itemdetailmapper.cpp

@@ -1,5 +1,6 @@
 #include "itemdetailmapper.h"
 
+#include <data/settingshandler.h>
 #include <QAbstractItemModel>
 #include <QComboBox>
 #include <QDataWidgetMapper>
@@ -15,7 +16,8 @@
 #include "model/metadata.h"
 
 ItemDetailMapper::ItemDetailMapper(QWidget* parent)
-    : QWidget{parent} {
+    : QWidget{parent}
+    , m_qrCodeDisplay(new QLabel("QR Code")) {
   /// model mapping
   m_mapper = std::make_unique<QDataWidgetMapper>(this);
   /// BUG: If multiple columns are changed not all changes are applied.
@@ -35,7 +37,8 @@ ItemDetailMapper::ItemDetailMapper(QWidget* parent)
   connect(m_nextButton, &QAbstractButton::clicked, this, &ItemDetailMapper::toNext);
 
   /// the individual widgets
-  // REFACTOR deduce label names and types from meta data & use a factory
+  // REFACTOR deduce types from meta data & use a factory
+  /// left layout
   m_numberLabel = new QLabel(GET_HEADER_FOR_COLUMN(0));
   m_numberBox   = new QSpinBox();
   m_numberBox->setMaximum(1000);
@@ -86,36 +89,89 @@ ItemDetailMapper::ItemDetailMapper(QWidget* parent)
   m_mailEdit->setMinimumWidth(200);
   m_mailLabel->setBuddy(m_mailEdit);
 
-  QGridLayout* layout = new QGridLayout();
+  /// right layout
-  layout->addWidget(m_numberLabel, 0, 0, 1, 1);
+  m_createOnlineAccountButton = new QPushButton(tr("&Create account"));
-  layout->addWidget(m_numberBox, 0, 1, 1, 1);
+  m_sendInviteMailButton      = new QPushButton(tr("&Send invite"));
-  layout->addWidget(m_lastNameLabel, 1, 0, 1, 1);
-  layout->addWidget(m_lastNameEdit, 1, 1, 1, 1);
-  layout->addWidget(m_firstNameLabel, 2, 0, 1, 1);
-  layout->addWidget(m_firstNameEdit, 2, 1, 1, 1);
-  layout->addWidget(m_shareTypeLabel, 3, 0, 1, 1);
-  layout->addWidget(m_shareTypeBox, 3, 1, 1, 1);
-  layout->addWidget(m_amountLabel, 4, 0, 1, 1);
-  layout->addWidget(m_amountSpinBox, 4, 1, 1, 1);
-  layout->addWidget(m_biddingTypeLabel, 5, 0, 1, 1);
-  layout->addWidget(m_biddingTypeBox, 5, 1, 1, 1);
-  layout->addWidget(m_bidding1Label, 6, 0, 1, 1);
-  layout->addWidget(m_bidding1SpinBox, 6, 1, 1, 1);
-  layout->addWidget(m_bidding2Label, 7, 0, 1, 1);
-  layout->addWidget(m_bidding2SpinBox, 7, 1, 1, 1);
-  layout->addWidget(m_bidding3Label, 8, 0, 1, 1);
-  layout->addWidget(m_bidding3SpinBox, 8, 1, 1, 1);
-  layout->addWidget(m_depotWish1Label, 9, 0, 1, 1);
-  layout->addWidget(m_depotWish1Edit, 9, 1, 1, 1);
-  layout->addWidget(m_depotWish2Label, 10, 0, 1, 1);
-  layout->addWidget(m_depotWish2Edit, 10, 1, 1, 1);
-  layout->addWidget(m_mailLabel, 11, 0, 1, 1);
-  layout->addWidget(m_mailEdit, 11, 1, 1, 1);
 
-  layout->addWidget(m_previousButton, 12, 0, 1, 1);
+  m_onlineIdLabel   = new QLabel(GET_HEADER_FOR_COLUMN(12));
-  layout->addWidget(m_nextButton, 12, 1, 1, 1);
+  m_onlineIdDisplay = new QLineEdit();
+  m_onlineIdDisplay->setReadOnly(true);
+  m_onlineIdLabel->setBuddy(m_onlineIdDisplay);
 
-  setLayout(layout);
+  m_accessCodeLabel   = new QLabel(GET_HEADER_FOR_COLUMN(13));
+  m_accessCodeDisplay = new QLineEdit();
+  m_accessCodeDisplay->setReadOnly(true);
+  m_accessCodeLabel->setBuddy(m_onlineIdDisplay);
+
+  updateQRCode();
+  connect(this, &ItemDetailMapper::contentChanged, this, &ItemDetailMapper::updateQRCode);
+
+  m_accessUrlDisplay = new QLineEdit();
+  m_accessUrlDisplay->setReadOnly(true);
+
+  QGridLayout* leftLayout = new QGridLayout();
+  leftLayout->addWidget(m_numberLabel, 0, 0, 1, 1);
+  leftLayout->addWidget(m_numberBox, 0, 1, 1, 1);
+  leftLayout->addWidget(m_lastNameLabel, 1, 0, 1, 1);
+  leftLayout->addWidget(m_lastNameEdit, 1, 1, 1, 1);
+  leftLayout->addWidget(m_firstNameLabel, 2, 0, 1, 1);
+  leftLayout->addWidget(m_firstNameEdit, 2, 1, 1, 1);
+  leftLayout->addWidget(m_shareTypeLabel, 3, 0, 1, 1);
+  leftLayout->addWidget(m_shareTypeBox, 3, 1, 1, 1);
+  leftLayout->addWidget(m_amountLabel, 4, 0, 1, 1);
+  leftLayout->addWidget(m_amountSpinBox, 4, 1, 1, 1);
+  leftLayout->addWidget(m_biddingTypeLabel, 5, 0, 1, 1);
+  leftLayout->addWidget(m_biddingTypeBox, 5, 1, 1, 1);
+  leftLayout->addWidget(m_bidding1Label, 6, 0, 1, 1);
+  leftLayout->addWidget(m_bidding1SpinBox, 6, 1, 1, 1);
+  leftLayout->addWidget(m_bidding2Label, 7, 0, 1, 1);
+  leftLayout->addWidget(m_bidding2SpinBox, 7, 1, 1, 1);
+  leftLayout->addWidget(m_bidding3Label, 8, 0, 1, 1);
+  leftLayout->addWidget(m_bidding3SpinBox, 8, 1, 1, 1);
+  leftLayout->addWidget(m_depotWish1Label, 9, 0, 1, 1);
+  leftLayout->addWidget(m_depotWish1Edit, 9, 1, 1, 1);
+  leftLayout->addWidget(m_depotWish2Label, 10, 0, 1, 1);
+  leftLayout->addWidget(m_depotWish2Edit, 10, 1, 1, 1);
+  leftLayout->addWidget(m_mailLabel, 11, 0, 1, 1);
+  leftLayout->addWidget(m_mailEdit, 11, 1, 1, 1);
+
+  leftLayout->addWidget(m_previousButton, 12, 0, 1, 1);
+  leftLayout->addWidget(m_nextButton, 12, 1, 1, 1);
+
+  /// right layout
+  QVBoxLayout* rightLayout                = new QVBoxLayout;
+  QHBoxLayout* onlineAccountControlLayout = new QHBoxLayout;
+  onlineAccountControlLayout->addWidget(m_createOnlineAccountButton);
+  onlineAccountControlLayout->addWidget(m_sendInviteMailButton);
+  rightLayout->addLayout(onlineAccountControlLayout);
+  QGridLayout* rightGridLayout = new QGridLayout();
+  rightGridLayout->addWidget(m_onlineIdLabel, 0, 0, 1, 1);
+  rightGridLayout->addWidget(m_onlineIdDisplay, 0, 1, 1, 1);
+  rightGridLayout->addWidget(m_accessCodeLabel, 1, 0, 1, 1);
+  rightGridLayout->addWidget(m_accessCodeDisplay, 1, 1, 1, 1);
+  rightGridLayout->addWidget(m_qrCodeDisplay, 2, 0, 6, 2);
+  rightGridLayout->addWidget(m_accessUrlDisplay, 9, 0, 1, 2);
+  rightLayout->addLayout(rightGridLayout);
+
+  QHBoxLayout* outerLayout = new QHBoxLayout;
+  outerLayout->addLayout(leftLayout);
+  outerLayout->addLayout(rightLayout);
+  setLayout(outerLayout);
+
+  const QVariantMap serverSettings = SettingsHandler::getSettings("Server");
+  const QString urlValue           = serverSettings.value("url").toString();
+  m_serverUrl                      = urlValue;
+
+  /// online user account
+  connect(m_mailEdit, &QLineEdit::textChanged, this, &ItemDetailMapper::onMailEditChanged);
+  connect(m_onlineIdDisplay, &QLineEdit::textChanged, this, &ItemDetailMapper::onOnlineIDChanged);
+  connect(m_accessCodeDisplay, &QLineEdit::textChanged, this,
+          &ItemDetailMapper::onAccessCodeChanged);
+
+  connect(m_createOnlineAccountButton, &QAbstractButton::clicked, this,
+          &ItemDetailMapper::onCreateOnlineAccountTriggered);
+  connect(m_sendInviteMailButton, &QAbstractButton::clicked, this,
+          &ItemDetailMapper::onSendInviteMailTriggered);
 }
 
 void ItemDetailMapper::setModelMappings(QTableView* tableView) {
@@ -138,6 +194,9 @@ void ItemDetailMapper::setModelMappings(QTableView* tableView) {
   m_mapper->addMapping(m_depotWish2Edit, 10);
   m_mapper->addMapping(m_mailEdit, 11);
 
+  m_mapper->addMapping(m_onlineIdDisplay, 12);
+  m_mapper->addMapping(m_accessCodeDisplay, 13);
+
   m_mapper->setCurrentIndex(m_selectionModel->currentIndex().row());
 
   connect(m_model, &QAbstractItemModel::rowsInserted, this, &ItemDetailMapper::rowsInserted);
@@ -152,16 +211,6 @@ bool ItemDetailMapper::submit() { return m_mapper->submit(); }
 
 void ItemDetailMapper::revert() { m_mapper->revert(); }
 
-void ItemDetailMapper::onCurrentIndexChanged(const QModelIndex& current,
-                                             const QModelIndex& /*previous*/) {
-  if (!isEnabled()) {
-    setEnabled(true);
-  }
-  m_mapper->setCurrentModelIndex(current);
-  updateButtons(current.row());
-  emitContentChanged(current);
-}
-
 void ItemDetailMapper::rowsInserted(const QModelIndex& parent, int start, int end) {
   updateButtons(m_mapper->currentIndex());
 }
@@ -201,11 +250,66 @@ void ItemDetailMapper::updateButtons(int row) {
   m_nextButton->setEnabled(row < m_model->rowCount() - 1);
 }
 
-void ItemDetailMapper::emitContentChanged(const QModelIndex& currentIndex) {
+void ItemDetailMapper::onCurrentIndexChanged(const QModelIndex& current,
-  // BUG QR-Code isn't updated after changes through the ItemDetailMapper #18
+                                             const QModelIndex& /*previous*/) {
-  QString toStringText = "";
+  if (!isEnabled()) {
-  if (currentIndex.isValid()) {
+    setEnabled(true);
-    toStringText = currentIndex.data(ToStringRole).toString();
   }
-  emit contentChanged(toStringText);
+  m_mapper->setCurrentModelIndex(current);
+  updateButtons(current.row());
+}
+
+void ItemDetailMapper::updateQRCode(const QString text) {
+  QImage unscaledImage;
+  if (text.isEmpty()) {
+    unscaledImage = QImage("://no-picture-taking.png");
+  } else {
+    unscaledImage = m_generator.generateQr(text);
+  }
+  QImage image = unscaledImage.scaled(250, 250);
+
+  m_qrCodeDisplay->setPixmap(QPixmap::fromImage(image));
+  m_qrCodeDisplay->setToolTip(text);
+}
+
+void ItemDetailMapper::onMailEditChanged(const QString& text) {
+  if (text.isEmpty()) {
+    m_createOnlineAccountButton->setEnabled(false);
+    m_sendInviteMailButton->setEnabled(false);
+  } else {
+    onOnlineIDChanged(m_onlineIdDisplay->text());
+    onAccessCodeChanged(m_accessCodeDisplay->text());
+  }
+}
+
+void ItemDetailMapper::onOnlineIDChanged(const QString& text) {
+  if (text.isEmpty()) {
+    m_createOnlineAccountButton->setEnabled(true);
+    m_sendInviteMailButton->setEnabled(false);
+  } else {
+    m_createOnlineAccountButton->setEnabled(false);
+    m_sendInviteMailButton->setEnabled(true);
+  }
+}
+
+void ItemDetailMapper::onAccessCodeChanged(const QString& accessCode) {
+  if (accessCode.isEmpty()) {
+    m_sendInviteMailButton->setEnabled(false);
+    m_accessUrlDisplay->setText("");
+    updateQRCode("");
+  } else {
+    m_sendInviteMailButton->setEnabled(true);
+    const QString accessUrl = m_serverUrl + "/log_in/" + accessCode;
+    // const QString accessUrl = "https://bietrunde.das-gruene-zebra.de/log_in/" + text;
+    m_accessUrlDisplay->setText(accessUrl);
+    updateQRCode(accessUrl);
+  }
+}
+
+void ItemDetailMapper::onCreateOnlineAccountTriggered() {
+  emit createOnlineAccountTriggered(m_mailEdit->text());
+}
+
+void ItemDetailMapper::onSendInviteMailTriggered() {
+  emit sendInviteMailTriggered(m_mailEdit->text());
 }

UIs/BeetRoundWidgets/views/itemdetailmapper.h

@@ -15,6 +15,8 @@ class QItemSelectionModel;
 class QStringListModel;
 class QTableView;
 
+#include "QrCodeGenerator.h"
+
 class ItemDetailMapper : public QWidget {
   Q_OBJECT
  public:
@@ -28,14 +30,23 @@ class ItemDetailMapper : public QWidget {
  signals:
   void contentChanged(const QString text);
 
+  void createOnlineAccountTriggered(const QString& mailAddress);
+  void sendInviteMailTriggered(const QString& mailAddress);
+
  private slots:
-  void onCurrentIndexChanged(const QModelIndex& current, const QModelIndex& previous);
   void rowsInserted(const QModelIndex& parent, int start, int end);
   void rowsRemoved(const QModelIndex& parent, int start, int end);
   void toPrevious();
   void toNext();
   void updateButtons(int row);
-  void emitContentChanged(const QModelIndex& currentIndex);
+  void onCurrentIndexChanged(const QModelIndex& current, const QModelIndex& previous);
+
+  void updateQRCode(const QString text = "");
+  void onMailEditChanged(const QString& text);
+  void onOnlineIDChanged(const QString& text);
+  void onAccessCodeChanged(const QString& accessCode);
+  void onCreateOnlineAccountTriggered();
+  void onSendInviteMailTriggered();
 
  private:
   /// *** members ***
@@ -46,7 +57,9 @@ class ItemDetailMapper : public QWidget {
 
   std::unique_ptr<QDataWidgetMapper> m_mapper;
 
-  /// GUI elements
+  QString m_serverUrl;
+  /// *** GUI elements ***
+  /// left layout
   QLabel* m_numberLabel;
   QSpinBox* m_numberBox;
 
@@ -82,7 +95,21 @@ class ItemDetailMapper : public QWidget {
   QLabel* m_mailLabel;
   QLineEdit* m_mailEdit;
 
-  /// Model mapper stuff
+  /// right layout
+  QPushButton* m_createOnlineAccountButton = nullptr;
+  QPushButton* m_sendInviteMailButton      = nullptr;
+
+  QLabel* m_onlineIdLabel;
+  QLineEdit* m_onlineIdDisplay = nullptr;
+  QLabel* m_accessCodeLabel;
+  QLineEdit* m_accessCodeDisplay = nullptr;
+
+  QLabel* m_qrCodeDisplay = nullptr;
+  QrCodeGenerator m_generator;
+
+  QLineEdit* m_accessUrlDisplay = nullptr;
+
+  /// *** Model mapper stuff ***
   QPushButton* m_nextButton;
   QPushButton* m_previousButton;
 };

UIs/BeetRoundWidgets/widgets/biddingroundprogresslayout.cpp

@@ -0,0 +1,56 @@
+#include "biddingroundprogresslayout.h"
+
+#include <QLabel>
+#include <QProgressBar>
+
+BiddingRoundProgressLayout::BiddingRoundProgressLayout(const int nCurrentBiddings,
+                                                       const int nExpectedBiddings,
+                                                       QWidget* parent)
+    : QHBoxLayout(parent)
+    , m_nCurrentBiddings(nCurrentBiddings)
+    , m_nExpectedBiddings(nExpectedBiddings) {
+  QLabel* nBidsText = new QLabel("Abgegeben:");
+  addWidget(nBidsText);
+
+  m_nBiddingsLabel = new QLabel(QString::number(m_nCurrentBiddings));
+  addWidget(m_nBiddingsLabel);
+
+  QLabel* nExpectedText = new QLabel("Erwartet:");
+  addWidget(nExpectedText);
+
+  m_nExpectedBiddingLabel = new QLabel(QString::number(m_nExpectedBiddings));
+  addWidget(m_nExpectedBiddingLabel);
+
+  m_biddingRoundProgressBar = new QProgressBar(parent);
+  m_biddingRoundProgressBar->setMinimum(0);
+  m_biddingRoundProgressBar->setMaximum(m_nExpectedBiddings);
+  m_biddingRoundProgressBar->setValue(m_nCurrentBiddings);
+
+  addWidget(m_biddingRoundProgressBar);
+
+  updateEnabledStatus();
+}
+
+void BiddingRoundProgressLayout::setCurrentBiddings(const int value) {
+  m_nCurrentBiddings           = value;
+  const QString bidCountString = QString::number(value);
+  m_nBiddingsLabel->setText(bidCountString);
+  m_biddingRoundProgressBar->setValue(value);
+  updateEnabledStatus();
+}
+
+void BiddingRoundProgressLayout::setExpectedBiddings(const int value) {
+  m_nExpectedBiddings                  = value;
+  const QString expectedBiddingsString = QString::number(value);
+  m_nExpectedBiddingLabel->setText(expectedBiddingsString);
+  m_biddingRoundProgressBar->setMaximum(value);
+  updateEnabledStatus();
+}
+
+void BiddingRoundProgressLayout::updateEnabledStatus() {
+  if (m_nCurrentBiddings > m_nExpectedBiddings) {
+    m_biddingRoundProgressBar->setEnabled(false);
+  } else {
+    m_biddingRoundProgressBar->setEnabled(true);
+  }
+}

UIs/BeetRoundWidgets/widgets/biddingroundprogresslayout.h

@@ -0,0 +1,30 @@
+#ifndef BIDDINGROUNDPROGRESSLAYOUT_H
+#define BIDDINGROUNDPROGRESSLAYOUT_H
+
+#include <QHBoxLayout>
+
+class QLabel;
+class QProgressBar;
+
+class BiddingRoundProgressLayout : public QHBoxLayout {
+  Q_OBJECT
+ public:
+  BiddingRoundProgressLayout(const int nCurrentBiddings,
+                             const int nExpectedBiddings,
+                             QWidget* parent = nullptr);
+
+  void setCurrentBiddings(const int value);
+  void setExpectedBiddings(const int value);
+
+ private:
+  int m_nCurrentBiddings;
+  int m_nExpectedBiddings;
+
+  QLabel* m_nBiddingsLabel                = nullptr;
+  QLabel* m_nExpectedBiddingLabel         = nullptr;
+  QProgressBar* m_biddingRoundProgressBar = nullptr;
+
+  void updateEnabledStatus();
+};
+
+#endif  // BIDDINGROUNDPROGRESSLAYOUT_H

UIs/BeetRoundWidgets/widgets/biddingroundstatuswidget.cpp

@@ -0,0 +1,110 @@
+#include "biddingroundstatuswidget.h"
+
+#include <QChartView>
+#include <QLabel>
+#include <QPieSeries>
+#include <QVBoxLayout>
+
+BiddingRoundStatusWidget::BiddingRoundStatusWidget(const QString& title,
+                                                   const int placedBiddings,
+                                                   const int expectedBiddings,
+                                                   const int financialNeed,
+                                                   const int currentSum,
+                                                   const qreal currentAverage,
+                                                   QWidget* parent)
+    : QWidget{parent}
+    , m_title(title)
+    , m_financialNeed(financialNeed)
+    , m_currentSum(currentSum) {
+  m_moneyDonutSeries = new QPieSeries();
+  m_moneyDonutSeries->setHoleSize(0.35);
+  const QString sumText = QString("Summe: %1 €").arg(currentSum);
+  m_sumSlice            = m_moneyDonutSeries->append(sumText, currentSum);
+  m_sumSlice->setLabelVisible();
+
+  const int currentGap  = m_financialNeed - currentSum;
+  const QString gapText = QString("offen: %1 €").arg(currentGap);
+  m_gapSlice            = m_moneyDonutSeries->append(gapText, currentGap);
+  m_gapSlice->setLabelVisible();
+
+  m_chartView = new QChartView();
+  m_chartView->setMinimumWidth(100);
+  // m_chartView->setMaximumWidth(500);
+  m_chartView->setRenderHint(QPainter::Antialiasing);
+  m_chartView->chart()->setTitle(m_title);
+  m_chartView->chart()->addSeries(m_moneyDonutSeries);
+  m_chartView->chart()->legend()->setAlignment(Qt::AlignBottom);
+  m_chartView->chart()->setTheme(QChart::ChartThemeBlueCerulean);
+  m_chartView->chart()->legend()->setFont(QFont("Arial", 8));
+
+  QVBoxLayout* layout = new QVBoxLayout();
+  layout->addWidget(m_chartView, 5);
+  QBoxLayout* progressLayout = createProgressLayout(placedBiddings, expectedBiddings);
+  layout->addLayout(progressLayout);
+
+  /// bidding average
+  QHBoxLayout* averageLayout   = new QHBoxLayout();
+  m_biddingAverageDescription  = new QLabel("Durchschnittsgebot: ");
+  const QString currencyString = createCurrencyString(currentAverage);
+  m_biddingAverageValue        = new QLabel(currencyString);
+  averageLayout->addWidget(m_biddingAverageDescription);
+  averageLayout->addWidget(m_biddingAverageValue);
+  layout->addLayout(averageLayout);
+
+  setLayout(layout);
+}
+
+void BiddingRoundStatusWidget::onExpectedBiddingsChanged(const int nExpected) {
+  m_biddingRoundProgress->setExpectedBiddings(nExpected);
+}
+
+void BiddingRoundStatusWidget::onNPlacedBiddingsChanged(const int nPlaced) {
+  m_biddingRoundProgress->setCurrentBiddings(nPlaced);
+}
+
+void BiddingRoundStatusWidget::onBiddingSumChanged(const int sum) {
+  m_currentSum = sum;
+  updateDonutChart();
+}
+
+void BiddingRoundStatusWidget::onBiddingAverageChanged(const qreal average) {
+  if (m_biddingAverageValue) {
+    m_biddingAverageValue->setText(createCurrencyString(average));
+  }
+}
+
+void BiddingRoundStatusWidget::onFinancialNeedChanged(const int financialNeed) {
+  m_financialNeed = financialNeed;
+  updateDonutChart();
+}
+
+QBoxLayout* BiddingRoundStatusWidget::createProgressLayout(const int nPlaced, const int nExpected) {
+  QVBoxLayout* progressLayout = new QVBoxLayout();
+
+  m_biddingRoundProgress = new BiddingRoundProgressLayout(nPlaced, nExpected);
+  progressLayout->addLayout(m_biddingRoundProgress);
+
+  return progressLayout;
+}
+
+void BiddingRoundStatusWidget::updateDonutChart() {
+  int currentGap;
+  if (m_currentSum < m_financialNeed) {
+    currentGap = m_financialNeed - m_currentSum;
+  } else {
+    currentGap = 0;
+  }
+  const QString sumText = QString("Summe: %1 €").arg(m_currentSum);
+  m_sumSlice->setValue(m_currentSum);
+  m_sumSlice->setLabel(sumText);
+
+  const QString gapText = QString("offen: %1 €").arg(currentGap);
+  m_gapSlice->setValue(currentGap);
+  m_gapSlice->setLabel(gapText);
+  const bool gapLabelVisible = currentGap != 0;
+  m_gapSlice->setLabelVisible(gapLabelVisible);
+}
+
+QString BiddingRoundStatusWidget::createCurrencyString(const qreal value) const {
+  return QString::number(value) + " €";
+}

UIs/BeetRoundWidgets/widgets/biddingroundstatuswidget.h

@@ -0,0 +1,53 @@
+#ifndef BIDDINGROUNDSTATUSWIDGET_H
+#define BIDDINGROUNDSTATUSWIDGET_H
+
+#include "biddingroundprogresslayout.h"
+
+#include <QWidget>
+
+class QBoxLayout;
+class QChartView;
+class QPieSeries;
+class QPieSlice;
+
+class BiddingRoundStatusWidget : public QWidget {
+  Q_OBJECT
+ public:
+  explicit BiddingRoundStatusWidget(const QString& title,
+                                    const int placedBiddings,
+                                    const int expectedBiddings,
+                                    const int financialNeed,
+                                    const int currentSum,
+                                    const qreal currentAverage,
+                                    QWidget* parent = nullptr);
+
+ public slots:
+  void onExpectedBiddingsChanged(const int nExpected);
+  void onNPlacedBiddingsChanged(const int nPlaced);
+  void onBiddingSumChanged(const int sum);
+  void onBiddingAverageChanged(const qreal average);
+  void onFinancialNeedChanged(const int financialNeed);
+
+ signals:
+
+ private:
+  QString m_title;
+  int m_financialNeed;
+  int m_currentSum;
+
+  QChartView* m_chartView             = nullptr;
+  QPieSeries* m_moneyDonutSeries      = nullptr;
+  QPieSlice* m_sumSlice               = nullptr;
+  QPieSlice* m_gapSlice               = nullptr;
+  QLabel* m_biddingAverageDescription = nullptr;
+  QLabel* m_biddingAverageValue       = nullptr;
+
+  BiddingRoundProgressLayout* m_biddingRoundProgress = nullptr;
+
+  QBoxLayout* createProgressLayout(const int nPlaced, const int nExpected);
+  void updateDonutChart();
+
+  QString createCurrencyString(const qreal value) const;
+};
+
+#endif  // BIDDINGROUNDSTATUSWIDGET_H

UIs/BeetRoundWidgets/widgets/summarywidget.cpp

@@ -0,0 +1,166 @@
+#include "summarywidget.h"
+
+#include "biddingroundstatuswidget.h"
+
+#include <QLabel>
+#include <QProperty>
+#include <QSpinBox>
+#include <QVBoxLayout>
+
+#include <model/modelsummary.h>
+
+SummaryWidget::SummaryWidget(std::shared_ptr<ModelSummary> modelSummary, QWidget* parent)
+    : QWidget{parent}
+    , m_modelSummary(modelSummary) {
+  /// Layouting
+  QVBoxLayout* mainLayout = new QVBoxLayout(this);
+
+  /// monthly need
+  QHBoxLayout* footerLayout = new QHBoxLayout();
+
+  QLabel* nTotalSharesLabel  = new QLabel("Erwartete Ernteanteile:");
+  const qreal expectedShares = m_modelSummary->nTotalExpectedShares();
+  m_nTotalExpectedShares     = new QLabel(QString::number(expectedShares));
+
+  QLabel* financialNeedLabel = new QLabel("monatlicher Finanzbedarf:");
+  m_financialNeedBox         = new QSpinBox();
+  m_financialNeedBox->setMaximum(50000);
+  m_financialNeedBox->setValue(m_financialNeed);
+
+  connect(m_financialNeedBox, &QSpinBox::valueChanged, this,
+          &SummaryWidget::onFinancialNeedChanged);
+
+  footerLayout->addWidget(nTotalSharesLabel);
+  footerLayout->addWidget(m_nTotalExpectedShares);
+  footerLayout->addStretch(1);
+  footerLayout->addWidget(financialNeedLabel);
+  footerLayout->addWidget(m_financialNeedBox);
+  footerLayout->addStretch(1);
+
+  QBoxLayout* roundsLayout = createBiddingOverviewLayout();
+  mainLayout->addLayout(roundsLayout);
+  mainLayout->addLayout(footerLayout);
+
+  mainLayout->setSpacing(50);
+  setLayout(mainLayout);
+
+  setupConnections();
+}
+
+void SummaryWidget::onFinancialNeedChanged(int newFinancialNeed) {
+  m_biddingStatus1->onFinancialNeedChanged(newFinancialNeed);
+  m_biddingStatus2->onFinancialNeedChanged(newFinancialNeed);
+  m_biddingStatus3->onFinancialNeedChanged(newFinancialNeed);
+}
+
+void SummaryWidget::onNExpectedBiddingChanged(int newNExpected) {
+  m_biddingStatus1->onExpectedBiddingsChanged(newNExpected);
+  m_biddingStatus2->onExpectedBiddingsChanged(newNExpected);
+  m_biddingStatus3->onExpectedBiddingsChanged(newNExpected);
+}
+
+void SummaryWidget::onNTotalExpectedSharesChanged(qreal newNExpected) {
+  const QString expectedSharesString = QString::number(newNExpected);
+  m_nTotalExpectedShares->setText(expectedSharesString);
+}
+
+void SummaryWidget::onNPlacedBiddingsChanged(const int roundNumber) {
+  switch (roundNumber) {
+    case 1:
+      m_biddingStatus1->onNPlacedBiddingsChanged(m_modelSummary->nPlacedBiddings1());
+      break;
+    case 2:
+      m_biddingStatus2->onNPlacedBiddingsChanged(m_modelSummary->nPlacedBiddings2());
+      break;
+    case 3:
+      m_biddingStatus3->onNPlacedBiddingsChanged(m_modelSummary->nPlacedBiddings3());
+      break;
+    default:
+      qWarning() << "Unknown round number:" << roundNumber;
+      break;
+  }
+}
+
+void SummaryWidget::onBiddingSumChanged(const int roundNumber) {
+  switch (roundNumber) {
+    case 1:
+      m_biddingStatus1->onBiddingSumChanged(m_modelSummary->biddingSum1());
+      break;
+    case 2:
+      m_biddingStatus2->onBiddingSumChanged(m_modelSummary->biddingSum2());
+      break;
+    case 3:
+      m_biddingStatus3->onBiddingSumChanged(m_modelSummary->biddingSum3());
+      break;
+    default:
+      qWarning() << "Unknown round number:" << roundNumber;
+      break;
+  }
+}
+
+void SummaryWidget::onBiddingAverageChanged(const int roundNumber) {
+  switch (roundNumber) {
+    case 1:
+      m_biddingStatus1->onBiddingAverageChanged(m_modelSummary->biddingAverage1());
+      break;
+    case 2:
+      m_biddingStatus2->onBiddingAverageChanged(m_modelSummary->biddingAverage2());
+      break;
+    case 3:
+      m_biddingStatus3->onBiddingAverageChanged(m_modelSummary->biddingAverage3());
+      break;
+    default:
+      qWarning() << "Unknown round number:" << roundNumber;
+      break;
+  }
+}
+
+QBoxLayout* SummaryWidget::createBiddingOverviewLayout() {
+  QHBoxLayout* layout = new QHBoxLayout();
+
+  const int expectedBiddings = m_modelSummary->nExpectedBiddings();
+
+  /// bidding round 1
+  const int placedBiddings1   = m_modelSummary->nPlacedBiddings1();
+  const int biddingSum1       = m_modelSummary->biddingSum1();
+  const qreal biddingAverage1 = m_modelSummary->biddingAverage1();
+  m_biddingStatus1 =
+      make_unique<BiddingRoundStatusWidget>("Bietrunde 1", placedBiddings1, expectedBiddings,
+                                            m_financialNeed, biddingSum1, biddingAverage1);
+  /// bidding round 2
+  const int placedBiddings2   = m_modelSummary->nPlacedBiddings2();
+  const int biddingSum2       = m_modelSummary->biddingSum2();
+  const qreal biddingAverage2 = m_modelSummary->biddingAverage2();
+  m_biddingStatus2 =
+      make_unique<BiddingRoundStatusWidget>("Bietrunde 2", placedBiddings2, expectedBiddings,
+                                            m_financialNeed, biddingSum2, biddingAverage2);
+  /// bidding round 3
+  const int placedBiddings3   = m_modelSummary->nPlacedBiddings3();
+  const int biddingSum3       = m_modelSummary->biddingSum3();
+  const qreal biddingAverage3 = m_modelSummary->biddingAverage3();
+  m_biddingStatus3 =
+      make_unique<BiddingRoundStatusWidget>("Bietrunde 3", placedBiddings3, expectedBiddings,
+                                            m_financialNeed, biddingSum3, biddingAverage3);
+
+  layout->addWidget(m_biddingStatus1.get());
+  layout->addWidget(m_biddingStatus2.get());
+  layout->addWidget(m_biddingStatus3.get());
+
+  return layout;
+}
+
+void SummaryWidget::setupConnections() {
+  // TODO figure out how to encapsulate each property binding into a dedicated function:
+  //      "bindProperty(&bindable, &signal, &getter, widget)"
+  QObject::connect(m_modelSummary.get(), &ModelSummary::nExpectedBiddingsChanged,
+                   [&]() { onNExpectedBiddingChanged(m_modelSummary->nExpectedBiddings()); });
+  QObject::connect(m_modelSummary.get(), &ModelSummary::nTotalExpectedSharesChanged, this, [&]() {
+    onNTotalExpectedSharesChanged(m_modelSummary->nTotalExpectedShares());
+  });
+  QObject::connect(m_modelSummary.get(), &ModelSummary::nPlacedBiddingsChanged, this,
+                   &SummaryWidget::onNPlacedBiddingsChanged);
+  QObject::connect(m_modelSummary.get(), &ModelSummary::biddingSumChanged, this,
+                   &SummaryWidget::onBiddingSumChanged);
+  QObject::connect(m_modelSummary.get(), &ModelSummary::biddingAverageChanged, this,
+                   &SummaryWidget::onBiddingAverageChanged);
+}

UIs/BeetRoundWidgets/widgets/summarywidget.h

@@ -0,0 +1,47 @@
+#ifndef SUMMARYWIDGET_H
+#define SUMMARYWIDGET_H
+
+#include <QWidget>
+
+class BiddingRoundStatusWidget;
+class ModelSummary;
+class QLabel;
+class QSpinBox;
+class QBoxLayout;
+
+class SummaryWidget : public QWidget {
+  Q_OBJECT
+
+ public:
+  explicit SummaryWidget(std::shared_ptr<ModelSummary> modelSummary, QWidget* parent = nullptr);
+
+ private slots:
+  void onFinancialNeedChanged(int newFinancialNeed);
+  void onNExpectedBiddingChanged(int newNExpected);
+  void onNTotalExpectedSharesChanged(qreal newNExpected);
+
+  void onNPlacedBiddingsChanged(const int roundNumber);
+  void onBiddingSumChanged(const int roundNumber);
+  void onBiddingAverageChanged(const int roundNumber);
+
+ private:
+  std::shared_ptr<ModelSummary> m_modelSummary;
+
+  std::unique_ptr<BiddingRoundStatusWidget> m_biddingStatus1;
+  std::unique_ptr<BiddingRoundStatusWidget> m_biddingStatus2;
+  std::unique_ptr<BiddingRoundStatusWidget> m_biddingStatus3;
+
+  // TODO read from settings (maybe via model/core; maybe set in constructor)
+  const int m_financialNeed      = 13942;
+  QSpinBox* m_financialNeedBox   = nullptr;
+  QLabel* m_nTotalExpectedShares = nullptr;
+
+  QLabel* m_rowCountValueLabel;
+  QLabel* m_nExpectedBiddingsValueLabel;
+
+  /// functions
+  QBoxLayout* createBiddingOverviewLayout();
+  void setupConnections();
+};
+
+#endif  // SUMMARYWIDGET_H

libs/BeetRoundCore/CMakeLists.txt

@@ -32,6 +32,7 @@ add_library(${TARGET_APP} STATIC
   model/tablemodel.h model/tablemodel.cpp
   model/modelitem.h model/modelitem.cpp
   model/generalsortfiltermodel.h model/generalsortfiltermodel.cpp
+  model/modelsummary.h model/modelsummary.cpp
   model/commands/insertrowscommand.h model/commands/insertrowscommand.cpp
   model/commands/removerowscommand.h model/commands/removerowscommand.cpp
   model/commands/edititemcommand.h model/commands/edititemcommand.cpp

libs/BeetRoundCore/formats/csvparser.cpp

@@ -23,9 +23,12 @@ QList<ModelItemValues> CsvParser::getItemsFromCSVFile(const QString& fileName) {
 
 bool CsvParser::exportToCSVFile(const QList<QStringList>& rows, const QString& filePath) {
   Document doc(std::string(), LabelParams(0, -1));
-  const QList<QString> headerNames = GET_HEADER_NAMES();
+  // const QList<QString> headerNames = GET_HEADER_NAMES();
-  for (int column = 0; column < headerNames.size(); ++column) {
+  const int columnCount = USER_FACING_ROLES.size();
-    doc.SetColumnName(column, headerNames.at(column).toStdString());
+  for (int column = 0; column < columnCount; ++column) {
+    const UserRoles role   = GET_ROLE_FOR_COLUMN(column);
+    std::string columnName = ROLE_NAMES.value(role).toStdString();
+    doc.SetColumnName(column, columnName);
   }
   for (int row = 0; row < rows.size(); ++row) {
     QStringList rowValues = rows.at(row);
@@ -129,8 +132,22 @@ ModelItemValues CsvParser::getItemValuesForRow(
 QVariant CsvParser::parseItemValue(const int role, const std::string& valueString) {
   QVariant result;
   if (STRING_ROLES.contains(role)) {
-    /// string values
+    if (role == ShareTypeRole) {
-    result = QString::fromStdString(valueString);
+      if (valueString == "AGA") {
+        result = "erarbeitet";
+      } else if (valueString == "ja") {
+        result = "bezahlt";
+
+      } else if (valueString == "teils") {
+        result = "teils/teils";
+
+      } else {
+        result = "";
+      }
+    } else {
+      /// string values
+      result = QString::fromStdString(valueString);
+    }
   } else if (INT_ROLES.contains(role)) {
     /// int values
 

libs/BeetRoundCore/formats/jsonparser.cpp

@@ -4,6 +4,7 @@
 #include <QJsonObject>
 
 #include "../model/metadata.h"
+#include "../structs.h"
 
 QList<ModelItemValues> JsonParser::toItemValuesList(const QByteArray& jsonData,
                                                     const QString& rootValueName) {
@@ -70,7 +71,64 @@ QByteArray JsonParser::itemValuesListToJson(const QList<ModelItemValues>& itemVa
   return jsonDoc.toJson(QJsonDocument::Compact);
 }
 
-JsonParser::JsonParser() {}
+QByteArray JsonParser::toJsonDoc(const QHash<QString, QVariant>& values,
+                                    const QString& objectName) {
+  QJsonDocument jsonDoc;
+  QJsonObject rootObject;
+  QJsonObject itemObject;
+
+  QHashIterator<QString, QVariant> i(values);
+  while (i.hasNext()) {
+    i.next();
+    const QString key    = i.key();
+    const QVariant value = i.value();
+    itemObject.insert(key, value.toString());
+  }
+
+  rootObject.insert(objectName, itemObject);
+  jsonDoc.setObject(rootObject);
+
+  return jsonDoc.toJson(QJsonDocument::Compact);
+}
+
+ModelItemValues JsonParser::serverUserCredentialsToItemValues(const QJsonDocument& jsonDoc) {
+  ModelItemValues values;
+
+  const QJsonObject rootObject = jsonDoc["data"].toObject();
+
+  const QString emailAddress = rootObject["email"].toString();
+  const QString uuid         = rootObject["id"].toString();
+  const QString token        = rootObject["token"].toString();
+
+  values.insert(MailRole, emailAddress);
+  values.insert(OnlineIdRole, uuid);
+  values.insert(AccessCodeRole, token);
+
+  return values;
+}
+
+QList<bidding> JsonParser::extractBiddings(const QJsonDocument& jsonDoc) {
+  QList<bidding> result;
+
+  if (jsonDoc.isEmpty()) {
+    return result;
+  }
+  QJsonArray itemArray = JsonParser::extractItemArray(jsonDoc, "data");
+
+  foreach (QJsonValue value, itemArray) {
+    // REFACTOR implement & use "JsonParser::parseServerResponse(const QJsonObject& object,
+    //          QHash<QString, int> entries)"
+    QJsonObject itemJsonObject = value.toObject();
+    bidding values{.userId       = itemJsonObject.value("user_id").toString(),
+                   .biddingRound = itemJsonObject.value("bidding_round").toInt(),
+                   .amount       = itemJsonObject.value("amount").toInt(),
+                   .depotWishOne = itemJsonObject.value("depot_wish_one").toString(),
+                   .depotWishTwo = itemJsonObject.value("depot_wish_two").toString()};
+    result.append(values);
+  }
+
+  return result;
+}
 
 QJsonArray JsonParser::extractItemArray(const QJsonDocument& doc, const QString& objectName) {
   QJsonArray itemArray;
@@ -95,6 +153,8 @@ ModelItemValues JsonParser::jsonObjectToItemValues(const QJsonObject& itemJsonOb
   return values;
 }
 
+JsonParser::JsonParser() {}
+
 pair<int, QVariant> JsonParser::getKeyValuePair(const QJsonObject& itemJsonObject, const int role) {
   QVariant result;
   const QJsonValue jsonValue = itemJsonObject[ROLE_NAMES.value(role)];

libs/BeetRoundCore/formats/jsonparser.h

@@ -9,6 +9,7 @@ class QByteArray;
 class QJsonArray;
 
 typedef QMap<int, QVariant> ModelItemValues;
+class bidding;
 
 using namespace std;
 
@@ -18,13 +19,22 @@ class JsonParser {
                                                  const QString& rootValueName = "");
   static QByteArray itemValuesListToJson(const QList<ModelItemValues>& itemValuesList,
                                          const QString& objectName = "");
+  static QByteArray toJsonDoc(const QHash<QString, QVariant>& Values,
+                                 const QString& objectName = "");
 
- private:
+  static ModelItemValues serverUserCredentialsToItemValues(const QJsonDocument& jsonDoc);
-  explicit JsonParser();
+  static QList<bidding> extractBiddings(const QJsonDocument& jsonDoc);
+  // static ModelItemValues parseServerResponse(const QJsonDocument& jsonDoc,
+  //                                            QHash<QString, int> entries);
+  // static ModelItemValues parseServerResponse(const QJsonObject& object,
+  //                                            QHash<QString, int> entries);
 
   static QJsonArray extractItemArray(const QJsonDocument& doc, const QString& objectName);
   static ModelItemValues jsonObjectToItemValues(const QJsonObject& itemJsonObject);
 
+ private:
+  explicit JsonParser();
+
   static pair<int, QVariant> getKeyValuePair(const QJsonObject& itemJsonObject, const int role);
 };
 

libs/BeetRoundCore/genericcore.cpp

@@ -15,13 +15,13 @@
 #include "constants.h"
 #include "data/filehandler.h"
 #include "data/settingshandler.h"
+#include "formats/jsonparser.h"
 #include "model/generalsortfiltermodel.h"
 #include "model/metadata.h"
+#include "model/modelsummary.h"
 #include "model/tablemodel.h"
 #include "network/servercommunicator.h"
 
-using namespace std;
-
 GenericCore::GenericCore() {
   qDebug() << "Creating core...";
 
@@ -97,6 +97,8 @@ std::shared_ptr<GeneralSortFilterModel> GenericCore::getSortFilterModel() const
   return m_sortFilterModel;
 }
 
+shared_ptr<ModelSummary> GenericCore::getModelSummary() const { return m_modelSummary; }
+
 /**
  * Save items to default file (in standard location).
  * @brief GenericCore::saveItems Saves item fo file.
@@ -154,15 +156,48 @@ bool GenericCore::isSyncServerSetup() const {
   }
 }
 
-void GenericCore::onBiddingsChanged(int round, QList<bidding> biddings) {
+void GenericCore::onLoginSuccessful() {
-  qInfo() << "onBiddingsChanged: round:" << round << "- biddings:" << biddings.count();
+  qInfo() << "Login successful.";
+  emit displayStatusMessage("Login successful.");
+  emit sendGetRequest(GetCurrentBiddingRound);
+}
+
+void GenericCore::onBiddingsChanged(const QList<bidding> biddings) {
+  qInfo() << "onBiddingsChanged: biddings:" << biddings.count();
   // NEXT merge biddings into model
+  m_mainModel->updateBiddings(biddings);
+}
+
+void GenericCore::onCreateOnlineAccountTriggered(const QString& mailAddress) {
+  qInfo() << "Creating online account for:" << mailAddress;
+  QHash<QString, QVariant> hash;
+  hash.insert("email", mailAddress);
+  const QByteArray jsonDoc = JsonParser::toJsonDoc(hash, "user");
+  emit sendPostRequest(RegisterUser, jsonDoc);
+}
+
+void GenericCore::onOnlineUserAccountReceived(const QString mailAddress,
+                                              const QString uuid,
+                                              const QString accessToken) {
+  m_mainModel->setOnlineCredentials(mailAddress, uuid, accessToken);
+
+  const QString message = QString("Online credentials received for: %1").arg(mailAddress);
+  emit displayStatusMessage(message);
+}
+
+void GenericCore::onSendInviteMailTriggered(const QString& mailAddress) {
+  qInfo() << "Sending invite mail to:" << mailAddress;
+  const QString serverUrl               = m_serverCommunicator->getUserLoginUrl();
+  const QJsonDocument mailInviteJsonDoc = m_mainModel->getMailInviteJsonDoc(mailAddress, serverUrl);
+  emit sendPostRequest(MailInvite, mailInviteJsonDoc.toJson());
 }
 
 void GenericCore::setupModels() {
-  m_mainModel       = make_shared<TableModel>(m_modelUndoStack, this);
+  m_mainModel       = make_shared<TableModel>(m_modelUndoStack);
   m_sortFilterModel = make_shared<GeneralSortFilterModel>(m_mainModel);
 
+  m_modelSummary = make_shared<ModelSummary>(m_mainModel);
+
   /// QAbstractItemModelTester
 #ifdef QT_DEBUG
   m_mainModelTester = make_unique<QAbstractItemModelTester>(
@@ -227,6 +262,7 @@ void GenericCore::applyServerConfiguration() {
   if (!urlValue.isEmpty()) {
     const QString emailValue    = serverSettings.value("email").toString();
     const QString passwordValue = serverSettings.value("password").toString();
-    m_serverCommunicator->setServerConfiguration(urlValue, emailValue, passwordValue);
+    const QString authToken     = serverSettings.value("token").toString();
+    m_serverCommunicator->setServerConfiguration(urlValue, emailValue, passwordValue, authToken);
   }
 }

libs/BeetRoundCore/genericcore.h

@@ -14,8 +14,11 @@ class QString;
 
 class TableModel;
 class GeneralSortFilterModel;
+class ModelSummary;
 class ServerCommunicator;
 
+using namespace std;
+
 class GenericCore : public QObject {
   Q_OBJECT
 
@@ -30,8 +33,10 @@ class GenericCore : public QObject {
   void triggerApplicationUpdate(const bool saveChanges);
 
   QUndoStack* getModelUndoStack() const;
-  std::shared_ptr<TableModel> getModel() const;
+
-  std::shared_ptr<GeneralSortFilterModel> getSortFilterModel() const;
+  shared_ptr<TableModel> getModel() const;
+  shared_ptr<GeneralSortFilterModel> getSortFilterModel() const;
+  shared_ptr<ModelSummary> getModelSummary() const;
 
   void saveItems();
   void importCSVFile(const QString& filePath);
@@ -42,14 +47,24 @@ class GenericCore : public QObject {
   bool isSyncServerSetup() const;
 
  public slots:
-  void onBiddingsChanged(int round, QList<bidding> biddings);
+  void onLoginSuccessful();
+
+  void onBiddingsChanged(const QList<bidding> biddings);
+
+  void onCreateOnlineAccountTriggered(const QString& mailAddress);
+  void onOnlineUserAccountReceived(const QString mailAddress,
+                                   const QString uuid,
+                                   const QString accessToken);
+  void onSendInviteMailTriggered(const QString& mailAddress);
 
  signals:
   void displayStatusMessage(QString message);
 
   /// *** server communication ***
+  void loginAndStoreAuthToken();
   ///     request signals
   void sendGetRequest(GetRequestTypes type, QVariant data = QVariant());
+  void sendPostRequest(PostRequestTypes type, QByteArray data);
   ///     response signals
   void currentBiddingRoundChanged(int round, bool isRunning);
 
@@ -60,10 +75,11 @@ class GenericCore : public QObject {
 
  private:
   QUndoStack* m_modelUndoStack;
-  std::shared_ptr<TableModel> m_mainModel;
+  shared_ptr<TableModel> m_mainModel;
-  std::shared_ptr<GeneralSortFilterModel> m_sortFilterModel;
+  shared_ptr<GeneralSortFilterModel> m_sortFilterModel;
-  std::unique_ptr<QAbstractItemModelTester> m_mainModelTester;
+  shared_ptr<ModelSummary> m_modelSummary;
-  std::unique_ptr<QAbstractItemModelTester> m_proxyModelTester;
+  unique_ptr<QAbstractItemModelTester> m_mainModelTester;
+  unique_ptr<QAbstractItemModelTester> m_proxyModelTester;
 
   void setupModels();
   void initModelData();
@@ -71,7 +87,7 @@ class GenericCore : public QObject {
   QString getMaintenanceToolFilePath() const;
 
   /// Network communication
-  std::unique_ptr<ServerCommunicator> m_serverCommunicator;
+  unique_ptr<ServerCommunicator> m_serverCommunicator;
   void setupServerConfiguration();
   void applyServerConfiguration();
 };

libs/BeetRoundCore/model/metadata.h

@@ -91,6 +91,7 @@ enum GetRequestTypes {
   GetBiddingsOfSpecificRound,
   GetBiddingsOfHighestRound
 };
+enum PostRequestTypes { LogInAdmin, RegisterUser, MailInvite };
 
 /// functions
 static UserRoles GET_ROLE_FOR_COLUMN(const int column) {

libs/BeetRoundCore/model/modelsummary.cpp

@@ -0,0 +1,48 @@
+#include "modelsummary.h"
+
+#include "tablemodel.h"
+
+ModelSummary::ModelSummary(std::shared_ptr<TableModel> model, QObject* parent)
+    : QObject(parent)
+    , m_model(model) {
+  Q_ASSERT(model);
+  connect(m_model.get(), &TableModel::rowCountChanged, this, &ModelSummary::rowCountChanged);
+  // TODO ? use existing model signals (dataChanged(role),...) instead of special signals
+  connect(m_model.get(), &TableModel::nExpectedBiddingsChanged, this,
+          &ModelSummary::nExpectedBiddingsChanged);
+  connect(m_model.get(), &TableModel::nTotalExpectedSharesChanged, this,
+          &ModelSummary::nTotalExpectedSharesChanged);
+  connect(m_model.get(), &TableModel::nPlacedBiddingsChanged, this,
+          &ModelSummary::nPlacedBiddingsChanged);
+  connect(m_model.get(), &TableModel::biddingSumChanged, this, &ModelSummary::biddingSumChanged);
+  connect(m_model.get(), &TableModel::biddingAverageChanged, this,
+          &ModelSummary::biddingAverageChanged);
+}
+
+ModelSummary::~ModelSummary() {}
+
+int ModelSummary::rowCount() const {
+  const int nRows = m_model->rowCount();
+  return nRows;
+}
+
+QBindable<int> ModelSummary::bindableRowCount() {
+  m_rowCount = m_model->rowCount();
+  return &m_rowCount;
+}
+
+qreal ModelSummary::nTotalExpectedShares() const { return m_model->nTotalExpectedShares(); }
+
+int ModelSummary::nExpectedBiddings() const { return m_model->nExpectedBiddings(); }
+
+int ModelSummary::nPlacedBiddings1() const { return m_model->nPlacedBiddings1(); }
+int ModelSummary::nPlacedBiddings2() const { return m_model->nPlacedBiddings2(); }
+int ModelSummary::nPlacedBiddings3() const { return m_model->nPlacedBiddings3(); }
+
+int ModelSummary::biddingSum1() const { return m_model->biddingSum1(); }
+int ModelSummary::biddingSum2() const { return m_model->biddingSum2(); }
+int ModelSummary::biddingSum3() const { return m_model->biddingSum3(); }
+
+qreal ModelSummary::biddingAverage1() const { return m_model->biddingAverage1(); }
+qreal ModelSummary::biddingAverage2() const { return m_model->biddingAverage2(); }
+qreal ModelSummary::biddingAverage3() const { return m_model->biddingAverage3(); }

libs/BeetRoundCore/model/modelsummary.h

@@ -0,0 +1,52 @@
+#ifndef MODELSUMMARY_H
+#define MODELSUMMARY_H
+
+#include <QObject>
+#include <QProperty>
+
+class TableModel;
+
+using namespace std;
+
+class ModelSummary : public QObject {
+  Q_OBJECT
+
+  Q_PROPERTY(int rowCount READ rowCount NOTIFY rowCountChanged BINDABLE bindableRowCount)
+
+ public:
+  ModelSummary(shared_ptr<TableModel> model, QObject* parent = nullptr);
+  ~ModelSummary();
+
+  int rowCount() const;
+  QBindable<int> bindableRowCount();
+
+  qreal nTotalExpectedShares() const;
+  int nExpectedBiddings() const;
+  int nPlacedBiddings1() const;
+  int nPlacedBiddings2() const;
+  int nPlacedBiddings3() const;
+
+  int biddingSum1() const;
+  int biddingSum2() const;
+  int biddingSum3() const;
+
+  qreal biddingAverage1() const;
+  qreal biddingAverage2() const;
+  qreal biddingAverage3() const;
+
+ signals:
+  void rowCountChanged();
+
+  void nExpectedBiddingsChanged();
+  void nTotalExpectedSharesChanged();
+  void nPlacedBiddingsChanged(const int roundNumber);
+  void biddingSumChanged(const int roundNumber);
+  void biddingAverageChanged(const int roundNumber);
+
+ private:
+  shared_ptr<TableModel> m_model;
+
+  Q_OBJECT_BINDABLE_PROPERTY(ModelSummary, int, m_rowCount, &ModelSummary::rowCountChanged);
+};
+
+#endif  // MODELSUMMARY_H

libs/BeetRoundCore/model/tablemodel.cpp

@@ -1,16 +1,17 @@
 #include "tablemodel.h"
 
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QJsonObject>
+
 #include "../formats/jsonparser.h"
+#include "../structs.h"
 #include "commands/edititemcommand.h"
 #include "commands/insertrowscommand.h"
 #include "commands/removerowscommand.h"
 #include "metadata.h"
 #include "modelitem.h"
 
-#include <QJsonArray>
-#include <QJsonDocument>
-#include <QJsonObject>
-
 QByteArray TableModel::generateExampleItems() {
   QJsonDocument doc = QJsonDocument();
   QJsonObject rootObject;
@@ -46,7 +47,10 @@ QByteArray TableModel::generateExampleItems() {
 
 TableModel::TableModel(QUndoStack* undoStack, QObject* parent)
     : QAbstractTableModel{parent}
-    , m_undoStack(undoStack) {}
+    , m_undoStack(undoStack) {
+  connect(this, &TableModel::rowsInserted, this, &TableModel::onRowCountChanged);
+  connect(this, &TableModel::rowsRemoved, this, &TableModel::onRowCountChanged);
+}
 
 Qt::ItemFlags TableModel::flags(const QModelIndex& index) const {
   if (!index.isValid()) {
@@ -228,6 +232,63 @@ bool TableModel::updateItem(const ModelItemValues& itemValues) {
   }
 }
 
+void TableModel::setOnlineCredentials(const QString& mail,
+                                      const QString& uuid,
+                                      const QString& token) {
+  QModelIndex itemIndex = getIndexByRoleValue(mail, MailRole);
+  setItemData(itemIndex, {{OnlineIdRole, uuid}, {AccessCodeRole, token}});
+}
+
+QJsonDocument TableModel::getMailInviteJsonDoc(const QString& mail,
+                                               const QString& serverUrl) const {
+  QJsonDocument doc = QJsonDocument();
+
+  QModelIndex index = getIndexByRoleValue(mail, MailRole);
+
+  if (index.isValid()) {
+    QJsonObject rootObject;
+
+    const QString user_id   = data(index, OnlineIdRole).toString();
+    const QString email     = data(index, MailRole).toString();
+    const QString name      = data(index, FullNameRole).toString();
+    const QString token     = data(index, AccessCodeRole).toString();
+    const QString accessUrl = serverUrl + "/" + token;
+
+    QJsonObject userObject;
+    userObject.insert("user_id", user_id);
+    userObject.insert("email", email);
+    userObject.insert("name", name);
+    userObject.insert("access_url", accessUrl);
+
+    rootObject.insert("user", userObject);
+
+    doc.setObject(rootObject);
+  }
+  return doc;
+}
+
+void TableModel::updateBiddings(const QList<bidding> biddings) {
+  QListIterator<bidding> i(biddings);
+  while (i.hasNext()) {
+    const bidding localBidding = i.next();
+    qInfo() << "Processing bidding:";
+
+    const int biddingRound = localBidding.biddingRound;
+
+    if (biddingRound == 0 || biddingRound > 3) {
+      qWarning() << "Bidding round exceeds valid bounds. Ignoring...";
+      continue;
+    }
+    const QString uuid          = localBidding.userId;
+    const QModelIndex itemIndex = getIndexByRoleValue(localBidding.userId, OnlineIdRole);
+    if (itemIndex.isValid()) {
+      qInfo() << "Found Uuid for user:" << itemIndex.data(MailRole);
+      const QMap<int, QVariant> values = getItemValues(localBidding);
+      setItemData(itemIndex, values);
+    }
+  }
+}
+
 bool TableModel::removeRows(int firstRow, int nRows, const QModelIndex& parentIndex) {
   if (parentIndex != QModelIndex()) {
     qWarning() << "Removing of child rows is not supported yet!";
@@ -279,6 +340,102 @@ void TableModel::insertItems(int startPosition,
   m_undoStack->push(insertCommand);
 }
 
+qreal TableModel::nTotalExpectedShares() const {
+  qreal result = 0;
+  for (auto i = m_items.begin(), end = m_items.end(); i != end; ++i) {
+    /// if BiddingTypeRole is not empty
+    const QString biddingType = (*i)->data(BiddingTypeRole).toString();
+    const qreal shareAmount   = (*i)->data(ShareAmountRole).toReal();
+    if (biddingType.isEmpty() || shareAmount == 0.0) {
+      continue;
+    }
+    /// add amount
+    const QString shareType = (*i)->data(ShareTypeRole).toString();
+    if (shareType == "bezahlt") {
+      result += shareAmount;
+    } else if (shareType == "teils/teils") {
+      result += shareAmount / 2;
+    } else {
+      qInfo() << "Share type not 'bezahlt' nor 'teils/teils'. Will be ignored..";
+      qDebug() << "Share type:" << shareType;
+    }
+  }
+  qInfo() << "Biddings expected for " << result << "shares!";
+  return result;
+}
+
+int TableModel::nExpectedBiddings() const {
+  int result = 0;
+  for (auto i = m_items.begin(), end = m_items.end(); i != end; ++i) {
+    const QString biddingType = (*i)->data(BiddingTypeRole).toString();
+    if (biddingType.isEmpty()) {
+      continue;
+    }
+    const double shareAmount = (*i)->data(ShareAmountRole).toDouble();
+    if (shareAmount == 0.0) {
+      continue;
+    }
+    const QString shareType = (*i)->data(ShareTypeRole).toString();
+    if (shareType == "bezahlt" || shareType == "teils/teils") {
+      result++;
+    }
+  }
+  return result;
+}
+
+int TableModel::nPlacedBiddings1() const { return nPlacedBiddings(Bidding1Role); }
+int TableModel::nPlacedBiddings2() const { return nPlacedBiddings(Bidding2Role); }
+int TableModel::nPlacedBiddings3() const { return nPlacedBiddings(Bidding3Role); }
+
+int TableModel::biddingSum1() const { return biddingSum(Bidding1Role); }
+int TableModel::biddingSum2() const { return biddingSum(Bidding2Role); }
+int TableModel::biddingSum3() const { return biddingSum(Bidding3Role); }
+
+qreal TableModel::biddingAverage1() const {
+  const UserRoles biddingRole = Bidding1Role;
+  const qreal averageBidding  = averageBiddingAmount(biddingRole);
+  qInfo() << "average calculation (1):" << averageBidding;
+  return averageBidding;
+}
+
+qreal TableModel::biddingAverage2() const {
+  const UserRoles biddingRole = Bidding2Role;
+  const qreal averageBidding  = averageBiddingAmount(biddingRole);
+  qInfo() << "average calculation (2):" << averageBidding;
+  return averageBidding;
+}
+
+qreal TableModel::biddingAverage3() const {
+  const UserRoles biddingRole = Bidding3Role;
+  const qreal averageBidding  = averageBiddingAmount(biddingRole);
+  qInfo() << "average calculation (3):" << averageBidding;
+  return averageBidding;
+}
+
+void TableModel::onRowCountChanged(const QModelIndex& parent, int first, int last) {
+  Q_UNUSED(first);
+  Q_UNUSED(last);
+
+  if (parent != QModelIndex()) {
+    return;
+  }
+  emit rowCountChanged();
+  emit nExpectedBiddingsChanged();
+  emit nTotalExpectedSharesChanged();
+
+  emit nPlacedBiddingsChanged(1);
+  emit nPlacedBiddingsChanged(2);
+  emit nPlacedBiddingsChanged(3);
+
+  emit biddingSumChanged(1);
+  emit biddingSumChanged(2);
+  emit biddingSumChanged(3);
+
+  emit biddingAverageChanged(1);
+  emit biddingAverageChanged(2);
+  emit biddingAverageChanged(3);
+}
+
 void TableModel::execInsertItems(const int firstRow, const QList<ModelItemValues> valueList) {
   const int nRows = valueList.size();
   qDebug() << "Inserting" << nRows << "items...";
@@ -305,14 +462,48 @@ void TableModel::execEditItemData(const int row, const QMap<int, QVariant>& chan
   bool isDataChanged         = item->setItemData(changedValues);
 
   if (isDataChanged) {
-    /// FIXME due to the mapping from roles to the DisplayRole of different columns the complete row
+    /// FIXME due to the mapping from roles to the DisplayRole of different columns the complete
-    /// is getting notified about (potential) data changes; dataChanged should be called only for
+    /// row is getting notified about (potential) data changes; dataChanged should be called only
-    /// the affected columns
+    /// for the affected columns
     const QModelIndex firstIndex = this->index(row, 0);
     const QModelIndex lastIndex  = this->index(row, USER_FACING_ROLES.size() - 1);
     QList<int> roles             = changedValues.keys();
     roles.insert(0, Qt::DisplayRole);
     emit dataChanged(firstIndex, lastIndex, roles.toVector());
+
+    if (roles.contains(BiddingTypeRole) || roles.contains(ShareAmountRole) ||
+        roles.contains(ShareTypeRole)) {
+      emit nExpectedBiddingsChanged();
+      emit nTotalExpectedSharesChanged();
+    }
+    if (roles.contains(ShareAmountRole) || roles.contains(ShareTypeRole)) {
+      emit nPlacedBiddingsChanged(1);
+      emit nPlacedBiddingsChanged(2);
+      emit nPlacedBiddingsChanged(3);
+      emit biddingSumChanged(1);
+      emit biddingSumChanged(2);
+      emit biddingSumChanged(3);
+      emit biddingAverageChanged(1);
+      emit biddingAverageChanged(2);
+      emit biddingAverageChanged(3);
+    } else {
+      /// no changes to share amount or type, but maybe to the biddings:
+      if (roles.contains(Bidding1Role)) {
+        emit nPlacedBiddingsChanged(1);
+        emit biddingSumChanged(1);
+        emit biddingAverageChanged(1);
+      }
+      if (roles.contains(Bidding2Role)) {
+        emit nPlacedBiddingsChanged(2);
+        emit biddingSumChanged(2);
+        emit biddingAverageChanged(2);
+      }
+      if (roles.contains(Bidding3Role)) {
+        emit nPlacedBiddingsChanged(3);
+        emit biddingSumChanged(3);
+        emit biddingAverageChanged(3);
+      }
+    }
   }
 }
 
@@ -408,3 +599,141 @@ bool TableModel::isItemEqualToItemValues(const QModelIndex& itemIndex,
     return true;
   }
 }
+
+int TableModel::nPlacedBiddings(const UserRoles biddingRole) const {
+  int result = 0;
+  for (auto i = m_items.begin(), end = m_items.end(); i != end; ++i) {
+    const QString biddingType = (*i)->data(BiddingTypeRole).toString();
+    const qreal shareAmount   = (*i)->data(ShareAmountRole).toReal();
+    const QString shareType   = (*i)->data(ShareTypeRole).toString();
+    if (biddingType.isEmpty() || shareAmount == 0.0) {
+      continue;
+    }
+    if (shareType == "erarbeitet" || shareType == "") {
+      continue;
+    }
+    int localBidding = (*i)->data(biddingRole).toInt();
+    if (localBidding > 0) {
+      result++;
+    }
+  }
+  return result;
+}
+
+int TableModel::biddingSum(const UserRoles biddingRole) const {
+  int result = 0;
+  for (auto i = m_items.begin(), end = m_items.end(); i != end; ++i) {
+    const QString biddingType = (*i)->data(BiddingTypeRole).toString();
+    const qreal shareAmount   = (*i)->data(ShareAmountRole).toReal();
+    const QString shareType   = (*i)->data(ShareTypeRole).toString();
+    if (biddingType.isEmpty() || shareAmount == 0.0) {
+      continue;
+    }
+    if (shareType == "erarbeitet" || shareType == "") {
+      continue;
+    }
+    result += (*i)->data(biddingRole).toInt();
+  }
+  return result;
+}
+
+qreal TableModel::averageBiddingAmount(const UserRoles biddingRole) const {
+  qInfo() << "Calculating average bidding for role:" << ROLE_NAMES.value(biddingRole);
+  const qreal localTotalSharesWithBiddings = totalSharesWithBiddings(biddingRole);
+
+  if (localTotalSharesWithBiddings <= 0) {
+    qInfo() << "No biddings found. Aborting calculation...";
+    return 0;
+  }
+
+  const qreal localTotalBiddingAmount = biddingSum(biddingRole);
+  const qreal alternateBiddingAverage = localTotalBiddingAmount / localTotalSharesWithBiddings;
+  qDebug() << "Total bidding amount:" << localTotalBiddingAmount;
+  qDebug() << "Total bidding shares:" << localTotalSharesWithBiddings;
+  return alternateBiddingAverage;
+}
+
+qreal TableModel::totalSharesWithBiddings(const UserRoles biddingRole) const {
+  qreal result = 0;
+  for (auto i = m_items.begin(), end = m_items.end(); i != end; ++i) {
+    const QString biddingType = (*i)->data(BiddingTypeRole).toString();
+    const qreal shareAmount   = (*i)->data(ShareAmountRole).toReal();
+    if (biddingType.isEmpty() || shareAmount == 0.0) {
+      continue;
+    }
+    const int bidding       = (*i)->data(biddingRole).toInt();
+    const QString shareType = (*i)->data(ShareTypeRole).toString();
+    const bool isValid      = bidding != 0 && shareAmount != 0.0;
+    if (isValid) {
+      // qInfo() << "Including entry in bidding average calculation. MailRole:"
+      //         << (*i)->data(MailRole);
+      // qreal bidForWholeShare = 0;
+      if (shareType == "bezahlt") {
+        result += shareAmount;
+      } else if (shareType == "teils/teils") {
+        result += shareAmount / 2;
+      } else {
+        qInfo() << "Share type not 'bezahlt' nor 'teils/teils'. Will be ignored..";
+        qDebug() << "Share type:" << shareType;
+        continue;
+      }
+    }
+  }
+  qInfo() << "Biddings exist for " << result << "shares!";
+  return result;
+}
+
+QModelIndex TableModel::getIndexByRoleValue(const QString& valueString, const int role) const {
+  const QString text =
+      QString("Searching list item with value '%1' for role '%2'").arg(valueString, role);
+  qInfo() << text;
+  int itemRow = -1;
+
+  for (auto i = m_items.begin(), end = m_items.end(); i != end; ++i) {
+    const QString mailValue = (*i)->data(role).toString();
+    qDebug() << "found value:" << mailValue;
+    if (valueString == mailValue) {
+      itemRow = i - m_items.constBegin();
+      qInfo() << "Found item at row:" << itemRow;
+      break;
+    } else {
+      qDebug() << "Not the right item. Continuing search...";
+      continue;
+    }
+  }
+  if (itemRow < 0 || itemRow >= m_items.length()) {
+    qWarning() << "Couldn't find item with:" << valueString << " matching role" << role
+               << "- Returning...";
+    return QModelIndex();
+  }
+  const QModelIndex itemIndex = index(itemRow, 0);
+  return itemIndex;
+}
+
+QMap<int, QVariant> TableModel::getItemValues(const bidding bid) {
+  const int biddingRound     = bid.biddingRound;
+  const int amount           = bid.amount;
+  const QString depotWishOne = bid.depotWishOne;
+  const QString depotWishTwo = bid.depotWishTwo;
+
+  UserRoles biddingRole;
+  switch (biddingRound) {
+    case 1:
+      biddingRole = Bidding1Role;
+      break;
+    case 2:
+      biddingRole = Bidding2Role;
+      break;
+    case 3:
+      biddingRole = Bidding3Role;
+      break;
+    default:
+      break;
+  }
+
+  if (biddingRound == 1) {
+    return {{biddingRole, amount}, {DepotWish1Role, depotWishOne}, {DepotWish2Role, depotWishTwo}};
+  } else {
+    return {{biddingRole, amount}};
+  }
+}

libs/BeetRoundCore/model/tablemodel.h

@@ -2,7 +2,9 @@
 #define TABLEMODEL_H
 
 #include <QAbstractTableModel>
+#include "metadata.h"
 
+class bidding;
 class QUndoStack;
 class ModelItem;
 
@@ -43,6 +45,11 @@ class TableModel : public QAbstractTableModel {
   QString updateItemsFromJson(const QByteArray& jsonData);
   bool updateItem(const ModelItemValues& itemValues);
 
+  void setOnlineCredentials(const QString& mail, const QString& uuid, const QString& token);
+  QJsonDocument getMailInviteJsonDoc(const QString& mail, const QString& serverUrl) const;
+
+  void updateBiddings(const QList<bidding> biddings);
+
  public slots:
   // bool insertRows(int position, int rows, const QModelIndex& parentIndex = QModelIndex())
   // override;
@@ -55,6 +62,33 @@ class TableModel : public QAbstractTableModel {
                    const QList<ModelItemValues>& itemValuesList,
                    const QModelIndex& parentIndex = QModelIndex());
 
+  /// property functions
+  qreal nTotalExpectedShares() const;
+  int nExpectedBiddings() const;
+  int nPlacedBiddings1() const;
+  int nPlacedBiddings2() const;
+  int nPlacedBiddings3() const;
+
+  int biddingSum1() const;
+  int biddingSum2() const;
+  int biddingSum3() const;
+
+  qreal biddingAverage1() const;
+  qreal biddingAverage2() const;
+  qreal biddingAverage3() const;
+
+ signals:
+  void rowCountChanged();
+
+  void nExpectedBiddingsChanged();
+  void nTotalExpectedSharesChanged();
+  void nPlacedBiddingsChanged(const int roundNumber);
+  void biddingSumChanged(const int roundNumber);
+  void biddingAverageChanged(const int roundNumber);
+
+ private slots:
+  void onRowCountChanged(const QModelIndex& parent, int first, int last);
+
  private:
   /// *** members ***
   // TODO shared_ptr -> unique_ptr
@@ -74,6 +108,14 @@ class TableModel : public QAbstractTableModel {
   QModelIndex searchItemIndex(const ModelItemValues givenItemValues) const;
   bool isItemEqualToItemValues(const QModelIndex& itemIndex,
                                const ModelItemValues givenItemValues) const;
+
+  int nPlacedBiddings(const UserRoles biddingRole) const;
+  int biddingSum(const UserRoles biddingRole) const;
+  qreal averageBiddingAmount(const UserRoles biddingRole) const;
+  qreal totalSharesWithBiddings(const UserRoles biddingRole) const;
+
+  QModelIndex getIndexByRoleValue(const QString& valueString, const int role) const;
+  QMap<int, QVariant> getItemValues(const bidding bid);
 };
 
 #endif  // TABLEMODEL_H

libs/BeetRoundCore/network/apiroutes.h

@@ -5,10 +5,17 @@
 
 // TODO add namespace
 
+static const QString ROUTE_USER_LOG_IN = "/log_in";
+
 static const QString apiPrefix = "/api/";
 
 static const QString ROUTE_ITEMS = apiPrefix + "items";
 
+static const QString ROUTE_ADMIN_LOG_IN = apiPrefix + "log_in";
+
+static const QString ROUTE_REGISTER_USER = apiPrefix + "users";
+static const QString ROUTE_MAIL_INVITE   = apiPrefix + "invite";
+
 static const QString ROUTE_BIDDINGROUNDS        = apiPrefix + "bidding_rounds";
 static const QString ROUTE_CURRENT_BIDDINGROUND = ROUTE_BIDDINGROUNDS + "/get_current";
 static const QString ROUTE_START_BIDDINGROUND   = ROUTE_BIDDINGROUNDS + "/start_new";

libs/BeetRoundCore/network/servercommunicator.cpp

@@ -5,10 +5,13 @@
 #include <QRestAccessManager>
 #include <QRestReply>
 
+#include "../formats/jsonparser.h"
 #include "../genericcore.h"
 #include "../structs.h"
 #include "apiroutes.h"
 
+#include "../data/settingshandler.h"
+
 using namespace Qt::StringLiterals;
 
 ServerCommunicator::ServerCommunicator(GenericCore* core)
@@ -18,9 +21,16 @@ ServerCommunicator::ServerCommunicator(GenericCore* core)
   m_restManager = std::make_shared<QRestAccessManager>(&m_netManager);
   m_serviceApi  = std::make_shared<QNetworkRequestFactory>();
 
+  connect(core, &GenericCore::loginAndStoreAuthToken, this, &ServerCommunicator::onLoginTriggered);
+  connect(this, &ServerCommunicator::loginSuccessful, core, &GenericCore::onLoginSuccessful);
+
   connect(m_core, &GenericCore::sendGetRequest, this,
           &ServerCommunicator::onSendGetRequestTriggered);
+  connect(m_core, &GenericCore::sendPostRequest, this,
+          &ServerCommunicator::onSendPostRequestTriggered);
   connect(this, &ServerCommunicator::biddingsChanged, m_core, &GenericCore::onBiddingsChanged);
+  connect(this, &ServerCommunicator::onlineUserAccountReceived, m_core,
+          &GenericCore::onOnlineUserAccountReceived);
 }
 
 bool ServerCommunicator::sslSupported() const {
@@ -44,73 +54,24 @@ void ServerCommunicator::setUrl(const QUrl& url) {
   emit urlChanged();
 }
 
-void ServerCommunicator::fetchItems() {
-  /// Set up a GET request
-  m_restManager->get(m_serviceApi->createRequest(ROUTE_ITEMS), this, [this](QRestReply& reply) {
-    if (reply.isSuccess()) {
-      qInfo() << "Fetching items successful.";
-      const QJsonDocument doc = reply.readJson().value();
-      emit itemsFetched(doc.toJson());
-
-    } else {
-      if (reply.hasError()) {
-        const QString errorString = reply.errorString();
-        qCritical() << "ERROR:" << errorString;
-        emit itemsFetchFailure(errorString);
-      } else {
-        int statusCode = reply.httpStatus();
-        qCritical() << "ERROR:" << statusCode;
-        emit itemsFetchFailure(QString::number(statusCode));
-        emit itemsFetchFailure(QString("HTTP status code: %1").arg(statusCode));
-      }
-    }
-  });
-}
-
-void ServerCommunicator::postItems(const QByteArray& jsonData) {
-  QNetworkReply* reply = m_restManager->post(m_serviceApi->createRequest(ROUTE_ITEMS), jsonData);
-
-  QObject::connect(reply, &QNetworkReply::finished, [=]() {
-    if (reply->error() == QNetworkReply::NoError) {
-      QByteArray responseData = reply->readAll();
-      const QString message   = QString("POST successful! Response: %1").arg(responseData);
-      qInfo() << message;
-      emit postRequestSuccessful(responseData);
-    } else {
-      const QString message = QString("Error: %1").arg(reply->errorString());
-      qDebug() << message;
-      emit postRequestFailure(message);
-    }
-    reply->deleteLater();
-  });
-}
-
-void ServerCommunicator::deleteItem(const QString& id) {
-  const QString deleteRoute = QString("%1/%2").arg(ROUTE_ITEMS, id);
-  QNetworkReply* reply = m_restManager->deleteResource(m_serviceApi->createRequest(deleteRoute));
-
-  QObject::connect(reply, &QNetworkReply::finished, [=]() {
-    if (reply->error() == QNetworkReply::NoError) {
-      QByteArray responseData = reply->readAll();
-      const QString message   = QString("DELETE successful! Response: %1").arg(responseData);
-      qInfo() << message;
-      emit deleteRequestSuccessful(responseData);
-    } else {
-      const QString message = QString("Error: %1").arg(reply->errorString());
-      qDebug() << message;
-      emit deleteRequestFailure(message);
-    }
-    reply->deleteLater();
-  });
-}
-
 void ServerCommunicator::setServerConfiguration(const QString url,
                                                 const QString email,
-                                                const QString password) {
+                                                const QString password,
+                                                const QString authToken) {
   setUrl(url);
 
-  m_email    = email;
+  m_email     = email;
-  m_password = password;
+  m_password  = password;
+  m_authToken = authToken;
+
+  if (!m_authToken.isEmpty()) {
+    m_serviceApi->setBearerToken(authToken.toLatin1());
+  }
+}
+
+QString ServerCommunicator::getUserLoginUrl() const {
+  const QString logInUrl = m_serviceApi->baseUrl().toString() + ROUTE_USER_LOG_IN;
+  return logInUrl;
 }
 
 void ServerCommunicator::onSendGetRequestTriggered(const GetRequestTypes type,
@@ -146,6 +107,7 @@ void ServerCommunicator::onSendGetRequestTriggered(const GetRequestTypes type,
     return;
   }
 
+  m_serviceApi->setBearerToken(m_authToken.toLatin1());
   const QNetworkRequest request = m_serviceApi->createRequest(path);
 
   m_restManager->get(request, this, [this, type](QRestReply& reply) {
@@ -191,8 +153,115 @@ void ServerCommunicator::onGetReplyFailure(const GetRequestTypes type, const QSt
   m_core->displayStatusMessage(message);
 }
 
+void ServerCommunicator::onSendPostRequestTriggered(const PostRequestTypes type,
+                                                    const QByteArray data) {
+  QString path;
+  switch (type) {
+    case LogInAdmin:
+      path = ROUTE_ADMIN_LOG_IN;
+      break;
+    case RegisterUser:
+      path = ROUTE_REGISTER_USER;
+      break;
+    case MailInvite:
+      path = ROUTE_MAIL_INVITE;
+      break;
+    default:
+      qWarning() << "No route found for PostRequestType:" << type;
+      break;
+  }
+
+  // TODO move into default case of switch statement?
+  if (path.isEmpty()) {
+    qDebug() << "Empty path -> Not sending a request.";
+    return;
+  }
+
+  m_serviceApi->setBearerToken(m_authToken.toLatin1());
+  const QNetworkRequest request = m_serviceApi->createRequest(path);
+
+  m_restManager->post(request, data, this, [this, type](QRestReply& reply) {
+    if (reply.isSuccess()) {
+      int statusCode = reply.httpStatus();
+      qInfo() << "Request successful. Status code:" << statusCode;
+      const QJsonDocument doc = reply.readJson().value();
+      onPostReplySuccessful(type, doc);
+    } else {
+      if (reply.hasError()) {
+        const QString errorString = reply.errorString();
+        qWarning() << "Network error:" << errorString;
+        onPostReplyFailure(type, errorString);
+      } else {
+        int statusCode = reply.httpStatus();
+        qWarning() << "Request not successful:" << statusCode;
+        qInfo() << "Content:" << reply.readJson();
+        onPostReplyFailure(type, QString("HTTP status code: %1").arg(statusCode));
+      }
+    }
+  });
+}
+
+void ServerCommunicator::onPostReplySuccessful(const PostRequestTypes type,
+                                               const QJsonDocument doc) {
+  switch (type) {
+    case LogInAdmin:
+      qInfo() << "Admin successfully logged in:" << type;
+      handleLogInReply(doc);
+      break;
+    case RegisterUser:
+      qInfo() << "Register user successful:" << type;
+      onlineUserAccountReply(doc);
+      break;
+    case MailInvite:
+      qInfo() << "Mail invite successful sent:" << type;
+      mailInviteSentReply(doc);
+      break;
+    default:
+      qWarning() << "Can't match request type:" << type;
+      break;
+  }
+}
+
+void ServerCommunicator::onPostReplyFailure(const PostRequestTypes type,
+                                            const QString errorString) {
+  const QString message =
+      QString("Request of type %1 returned: %2").arg(QString::number(type), errorString);
+  // NEXT improve error message to the UI;
+  emit m_core->displayStatusMessage(message);
+}
+
+QByteArray ServerCommunicator::createLoginBody() {
+  QHash<QString, QVariant> values;
+  values.insert("email", m_email);
+  values.insert("password", m_password);
+  return JsonParser::toJsonDoc(values, "admin");
+}
+
+void ServerCommunicator::handleLogInReply(const QJsonDocument jsonDoc) {
+  QJsonObject rootObject = jsonDoc.object();
+  bool hasErrors         = rootObject.contains(QString("errors"));
+  if (hasErrors) {
+    qCritical() << "Reply has error(s)!";
+    QString errorString = rootObject["errors"].toString();
+    emit m_core->displayStatusMessage(errorString);
+  } else {
+    qInfo() << "Reply has no error(s)!";
+    const QJsonObject dataObject = rootObject["data"].toObject();
+    const QString authToken      = dataObject["token"].toString();
+    m_authToken                  = authToken;
+
+    SettingsHandler::saveSettings({{"token", authToken}}, "Server");
+
+    emit loginSuccessful();
+    emit m_core->displayStatusMessage("Successfully logged in.");
+  }
+}
+
 void ServerCommunicator::currentBiddingRoundChangedReply(const QJsonDocument jsonDoc) {
   qInfo() << "Current bidding round received.";
+  // REFACTOR implement & use "JsonParser::parseServerResponse(const QJsonDocument& jsonDoc,
+  //          QHash<QString, int> entries)" (generalized version of
+  //          "serverUserCredentialsToItemValues")
   const QJsonObject rootObject = jsonDoc["data"].toObject();
   const int roundNumber        = rootObject["round_number"].toInt();
   const bool stopped           = rootObject["stopped"].toBool();
@@ -204,16 +273,49 @@ void ServerCommunicator::currentBiddingRoundChangedReply(const QJsonDocument jso
 }
 
 void ServerCommunicator::currentBiddingsReply(const QJsonDocument jsonDoc) {
-  qCritical() << "currentBiddingsReply:" << jsonDoc;
+  qInfo() << "currentBiddingsReply:" << jsonDoc;
 
-  // NEXT extract biddings from jsonDoc
+  const QList<bidding> biddings = JsonParser::extractBiddings(jsonDoc);
-  const int roundNumber = 0;
-  const bidding dummyBidding{.userId       = QUuid(),
-                             .biddingRound = 0,
-                             .amount       = 123,
-                             .depotWishOne = "one",
-                             .depotWishTwo = "two"};
-  const QList<bidding> biddings{dummyBidding};
 
-  emit biddingsChanged(roundNumber, biddings);
+  emit biddingsChanged(biddings);
+}
+
+void ServerCommunicator::onlineUserAccountReply(const QJsonDocument jsonDoc) {
+  qInfo() << "Online user account received.";
+  ModelItemValues values = JsonParser::serverUserCredentialsToItemValues(jsonDoc);
+
+  emit onlineUserAccountReceived(values[MailRole].toString(), values[OnlineIdRole].toString(),
+                                 values[AccessCodeRole].toString());
+}
+
+void ServerCommunicator::mailInviteSentReply(const QJsonDocument jsonDoc) {
+  qInfo() << "Invitation mail successfully sent.";
+  emit m_core->displayStatusMessage("Invitation mail successfully sent.");
+}
+
+void ServerCommunicator::onLoginTriggered() {
+  qInfo() << "Login triggered...";
+  if (m_email.isEmpty() || m_password.isEmpty()) {
+    emit m_core->displayStatusMessage(
+        "Missing email or password in settings! Not trying to log in.");
+    return;
+  }
+  if (m_authToken.isEmpty()) {
+    /// get new authToken
+    qInfo() << "Creating a new authToken!";
+    const QByteArray loginBody = createLoginBody();
+    onSendPostRequestTriggered(LogInAdmin, loginBody);
+
+  } else {
+    /// try authToken
+    qWarning() << "Validity check of token not implemented yet!!!";
+    qInfo() << "Assuming validity of token...";
+
+    emit loginSuccessful();
+    // TODO try validity of token and trigger log_in if not valid
+    // try default route to test access;
+    // if (access denied) {
+    //   m_apiClient->sendAPIRequestPost(ROUTE_LOG_IN_ADMIN, );
+    // }
+  }
 }

libs/BeetRoundCore/network/servercommunicator.h

@@ -22,16 +22,22 @@ class ServerCommunicator : public QObject {
   QUrl url() const;
   void setUrl(const QUrl& url);
 
-  void setServerConfiguration(const QString url, const QString email, const QString password);
+  void setServerConfiguration(const QString url,
+                              const QString email,
+                              const QString password,
+                              const QString authToken);
+  QString getUserLoginUrl() const;
 
  public slots:
+  void onLoginTriggered();
+
   void onSendGetRequestTriggered(const GetRequestTypes type, QVariant data);
   void onGetReplySuccessful(const GetRequestTypes type, const QJsonDocument doc);
   void onGetReplyFailure(const GetRequestTypes type, const QString errorString);
 
-  void fetchItems();
+  void onSendPostRequestTriggered(const PostRequestTypes type, const QByteArray data);
-  void postItems(const QByteArray& jsonData);
+  void onPostReplySuccessful(const PostRequestTypes type, const QJsonDocument doc);
-  void deleteItem(const QString& id);
+  void onPostReplyFailure(const PostRequestTypes type, const QString errorString);
 
  signals:
   void urlChanged();
@@ -43,8 +49,13 @@ class ServerCommunicator : public QObject {
   void deleteRequestSuccessful(const QByteArray responseData);
   void deleteRequestFailure(const QString errorString);
 
+  void loginSuccessful();
+
   void currentBiddingRoundChanged(int round, bool isRunning);
-  void biddingsChanged(int round, QList<bidding> biddings);
+  void biddingsChanged(QList<bidding> biddings);
+  void onlineUserAccountReceived(const QString mailAddress,
+                                 const QString uuid,
+                                 const QString accessToken);
 
  private:
   GenericCore* m_core = nullptr;
@@ -55,11 +66,17 @@ class ServerCommunicator : public QObject {
 
   QString m_email;
   QString m_password;
-  // QString m_authToken;
+  QString m_authToken;
+
+  QByteArray createLoginBody();
 
   /// reply parser
+  void handleLogInReply(const QJsonDocument jsonDoc);
+
   void currentBiddingRoundChangedReply(const QJsonDocument jsonDoc);
   void currentBiddingsReply(const QJsonDocument jsonDoc);
+  void onlineUserAccountReply(const QJsonDocument jsonDoc);
+  void mailInviteSentReply(const QJsonDocument jsonDoc);
 };
 
 #endif  // SERVERCOMMUNICATOR_H

libs/BeetRoundCore/structs.h

@@ -4,7 +4,7 @@
 #include <QUuid>
 
 struct bidding {
-  QUuid userId;
+  QString userId;
   int biddingRound;
   int amount;
   QString depotWishOne;

tests/GenericCoreTests/CMakeLists.txt

@@ -17,7 +17,8 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 find_package(QT NAMES Qt6 REQUIRED COMPONENTS Core LinguistTools)
 find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Core LinguistTools)
 
-add_executable(${TARGET_APP} core_test.cpp)
+add_executable(${TARGET_APP} core_test.cpp
+  model_test.cpp)
 
 target_include_directories(${TARGET_APP} PRIVATE ${CORE_LIB_DIR}/include)
 

tests/GenericCoreTests/core_test.cpp

@@ -9,7 +9,7 @@ inline void PrintTo(const QString& qString, ::std::ostream* os) { *os << qUtf8Pr
 QT_END_NAMESPACE
 
 TEST(CoreTests, TestEqualString) {
-  const QString coreName("GenericCore");
+  const QString coreName("BeetRoundCore");
   const QString coreVersion("0.1.0");
   const auto expected = QString("%1 (Version %2)").arg(coreName).arg(coreVersion);
   auto core           = std::make_unique<GenericCore>();

tests/GenericCoreTests/model_test.cpp

@@ -0,0 +1,131 @@
+#include <gtest/gtest.h>
+
+#include <QString>
+
+#include <QtGui/QUndoCommand>
+
+#include "../../libs/BeetRoundCore/model/tablemodel.h"
+
+QT_BEGIN_NAMESPACE
+inline void PrintTo(const QString& qString, ::std::ostream* os) { *os << qUtf8Printable(qString); }
+QT_END_NAMESPACE
+
+struct ModelTest : testing::Test {
+  std::shared_ptr<TableModel> model;
+
+  ModelTest() { model = make_shared<TableModel>(new QUndoStack()); }
+
+  virtual ~ModelTest() {}
+};
+
+struct ModelTestWithData : ModelTest {
+  ModelTestWithData() {
+    QList<ModelItemValues> itemList;
+
+    ModelItemValues itemValues1 = {{Bidding1Role, 100},
+                                   {ShareTypeRole, "bezahlt"},
+                                   {ShareAmountRole, 1},
+                                   {BiddingTypeRole, "digital"}};
+    itemList.append(itemValues1);
+
+    ModelItemValues itemValues2 = {{Bidding1Role, 100},
+                                   {ShareTypeRole, "bezahlt"},
+                                   {ShareAmountRole, 1},
+                                   {BiddingTypeRole, ""}};
+    itemList.append(itemValues2);
+
+    ModelItemValues itemValues3 = {{Bidding1Role, 50},
+                                   {ShareTypeRole, "teils/teils"},
+                                   {ShareAmountRole, 1},
+                                   {BiddingTypeRole, "paper"}};
+    itemList.append(itemValues3);
+
+    ModelItemValues itemValues4 = {{Bidding1Role, 50},
+                                   {ShareTypeRole, "bezahlt"},
+                                   {ShareAmountRole, 0.5},
+                                   {BiddingTypeRole, "paper"}};
+    itemList.append(itemValues4);
+
+    ModelItemValues itemValues5 = {{Bidding1Role, 100},
+                                   {ShareTypeRole, "erarbeitet"},
+                                   {ShareAmountRole, 1},
+                                   {BiddingTypeRole, "paper"}};
+    itemList.append(itemValues5);
+
+    ModelItemValues itemValues6 = {{Bidding1Role, 0},
+                                   {ShareTypeRole, "bezahlt"},
+                                   {ShareAmountRole, 1},
+                                   {BiddingTypeRole, "online"}};
+    itemList.append(itemValues6);
+
+    model->insertItems(0, itemList);
+  }
+};
+
+/// empty model
+
+TEST_F(ModelTest, TestRowCountEmpty) {
+  const int expectedRowCount = 0;
+
+  const auto actualRowCount = model->rowCount();
+
+  ASSERT_EQ(expectedRowCount, actualRowCount);
+}
+
+TEST_F(ModelTest, TestBidding1Average) {
+  const int expected               = 0;
+  const auto actualBidding1Average = model->biddingAverage1();
+
+  ASSERT_EQ(expected, actualBidding1Average);
+}
+
+TEST_F(ModelTest, ExpectedPlacedBiddings) {
+  const int expected                = 0;
+  const auto expectedPlacedBiddings = model->nExpectedBiddings();
+
+  ASSERT_EQ(expected, expectedPlacedBiddings);
+}
+
+TEST_F(ModelTest, ExpectedTotalShareAmount) {
+  const int expected              = 0;
+  const auto nTotalExpectedShares = model->nTotalExpectedShares();
+
+  ASSERT_EQ(expected, nTotalExpectedShares);
+}
+
+/// model with data
+
+TEST_F(ModelTestWithData, TestRowCount) {
+  const int expected = 6;
+
+  const auto actual = model->rowCount();
+  ASSERT_EQ(expected, actual);
+}
+
+TEST_F(ModelTestWithData, TestBidding1Average) {
+  const qreal expected = 100;
+  const auto actual    = model->biddingAverage1();
+
+  ASSERT_EQ(expected, actual);
+}
+
+TEST_F(ModelTestWithData, ExpectedPlacedBiddings) {
+  const int expected = 4;
+  const auto actual  = model->nExpectedBiddings();
+
+  ASSERT_EQ(expected, actual);
+}
+
+TEST_F(ModelTestWithData, PlacedBiddings1) {
+  const int expected = 3;
+  const auto actual  = model->nPlacedBiddings1();
+
+  ASSERT_EQ(expected, actual);
+}
+
+TEST_F(ModelTestWithData, NTotalExpectedShares) {
+  const qreal expected = 3;
+  const auto actual    = model->nTotalExpectedShares();
+
+  ASSERT_EQ(expected, actual);
+}