Clicking the sendInvite button triggers a post request to the server to send a bidding invite via mail.

UIs/BeetRoundWidgets/dialogs/edititemdialog.cpp

@@ -30,6 +30,8 @@ void EditItemDialog::createContent() {
   /// online user stuff
   connect(m_detailMapper, &ItemDetailMapper::createOnlineAccountTriggered, this,
           &EditItemDialog::createOnlineAccountTriggered);
+  connect(m_detailMapper, &ItemDetailMapper::sendInviteMailTriggered, this,
+          &EditItemDialog::sendInviteMailTriggered);
 }
 
 void EditItemDialog::accept() {

UIs/BeetRoundWidgets/dialogs/edititemdialog.h

@@ -21,6 +21,8 @@ class EditItemDialog : public AbstractDialog {
 
  signals:
   void createOnlineAccountTriggered(const QString& mailAddress);
+  void sendInviteMailTriggered(const QString& mailAddress);
+
  public slots:
   void accept() override;
   void reject() override;

UIs/BeetRoundWidgets/mainwindow.cpp

@@ -570,4 +570,6 @@ void MainWindow::setupEventTab() {
 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);
 }

UIs/BeetRoundWidgets/views/itemdetailmapper.cpp

@@ -165,6 +165,8 @@ ItemDetailMapper::ItemDetailMapper(QWidget* parent)
 
   connect(m_createOnlineAccountButton, &QAbstractButton::clicked, this,
           &ItemDetailMapper::onCreateOnlineAccountTriggered);
+  connect(m_sendInviteMailButton, &QAbstractButton::clicked, this,
+          &ItemDetailMapper::onSendInviteMailTriggered);
 }
 
 void ItemDetailMapper::setModelMappings(QTableView* tableView) {
@@ -243,15 +245,6 @@ void ItemDetailMapper::updateButtons(int row) {
   m_nextButton->setEnabled(row < m_model->rowCount() - 1);
 }
 
-void ItemDetailMapper::emitContentChanged(const QModelIndex& currentIndex) {
-  // BUG QR-Code isn't updated after changes through the ItemDetailMapper #18
-  QString toStringText = "";
-  if (currentIndex.isValid()) {
-    toStringText = currentIndex.data(ToStringRole).toString();
-  }
-  emit contentChanged(toStringText);
-}
-
 void ItemDetailMapper::onCurrentIndexChanged(const QModelIndex& current,
                                              const QModelIndex& /*previous*/) {
   if (!isEnabled()) {
@@ -259,7 +252,6 @@ void ItemDetailMapper::onCurrentIndexChanged(const QModelIndex& current,
   }
   m_mapper->setCurrentModelIndex(current);
   updateButtons(current.row());
-  emitContentChanged(current);
 }
 
 void ItemDetailMapper::updateQRCode(const QString text) {
@@ -311,3 +303,7 @@ void ItemDetailMapper::onAccessCodeChanged(const QString& text) {
 void ItemDetailMapper::onCreateOnlineAccountTriggered() {
   emit createOnlineAccountTriggered(m_mailEdit->text());
 }
+
+void ItemDetailMapper::onSendInviteMailTriggered() {
+  emit sendInviteMailTriggered(m_mailEdit->text());
+}

UIs/BeetRoundWidgets/views/itemdetailmapper.h

@@ -31,6 +31,7 @@ class ItemDetailMapper : public QWidget {
   void contentChanged(const QString text);
 
   void createOnlineAccountTriggered(const QString& mailAddress);
+  void sendInviteMailTriggered(const QString& mailAddress);
 
  private slots:
   void rowsInserted(const QModelIndex& parent, int start, int end);
@@ -38,7 +39,6 @@ class ItemDetailMapper : public QWidget {
   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 = "");
@@ -46,6 +46,7 @@ class ItemDetailMapper : public QWidget {
   void onOnlineIDChanged(const QString& text);
   void onAccessCodeChanged(const QString& text);
   void onCreateOnlineAccountTriggered();
+  void onSendInviteMailTriggered();
 
  private:
   /// *** members ***

libs/BeetRoundCore/genericcore.cpp

@@ -178,6 +178,12 @@ void GenericCore::onOnlineUserAccountReceived(const QString mailAddress,
   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() {

libs/BeetRoundCore/genericcore.h

@@ -53,6 +53,7 @@ class GenericCore : public QObject {
   void onOnlineUserAccountReceived(const QString mailAddress,
                                    const QString uuid,
                                    const QString accessToken);
+  void onSendInviteMailTriggered(const QString& mailAddress);
 
  signals:
   void displayStatusMessage(QString message);

libs/BeetRoundCore/model/metadata.h

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

libs/BeetRoundCore/model/tablemodel.cpp

@@ -239,6 +239,34 @@ void TableModel::setOnlineCredentials(const QString& mail,
   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()) {
@@ -352,6 +380,7 @@ qreal TableModel::biddingAverage2() const {
   qInfo() << "average calculation (2):" << averageBidding;
   return averageBidding;
 }
+
 qreal TableModel::biddingAverage3() const {
   const UserRoles biddingRole = Bidding3Role;
   const qreal averageBidding  = averageBiddingAmount(biddingRole);

libs/BeetRoundCore/model/tablemodel.h

@@ -46,6 +46,8 @@ class TableModel : public QAbstractTableModel {
   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:
@@ -111,6 +113,7 @@ class TableModel : public QAbstractTableModel {
   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

@@ -5,11 +5,14 @@
 
 // TODO add namespace
 
+static const QString ROUTE_LOG_IN = "/log_in";
+
 static const QString apiPrefix = "/api/";
 
 static const QString ROUTE_ITEMS = apiPrefix + "items";
 
 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";

libs/BeetRoundCore/network/servercommunicator.cpp

@@ -58,6 +58,11 @@ void ServerCommunicator::setServerConfiguration(const QString url,
   m_password = password;
 }
 
+QString ServerCommunicator::getUserLoginUrl() const {
+  const QString logInUrl = m_serviceApi->baseUrl().toString() + ROUTE_LOG_IN;
+  return logInUrl;
+}
+
 void ServerCommunicator::onSendGetRequestTriggered(const GetRequestTypes type,
                                                    QVariant data = QVariant()) {
   QString path;
@@ -143,6 +148,9 @@ void ServerCommunicator::onSendPostRequestTriggered(const PostRequestTypes type,
     case RegisterUser:
       path = ROUTE_REGISTER_USER;
       break;
+    case MailInvite:
+      path = ROUTE_MAIL_INVITE;
+      break;
     default:
       qWarning() << "No route found for PostRequestType:" << type;
       break;
@@ -184,6 +192,10 @@ void ServerCommunicator::onPostReplySuccessful(const PostRequestTypes type,
       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;
@@ -228,3 +240,8 @@ void ServerCommunicator::onlineUserAccountReply(const QJsonDocument 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.");
+}

libs/BeetRoundCore/network/servercommunicator.h

@@ -23,6 +23,7 @@ class ServerCommunicator : public QObject {
   void setUrl(const QUrl& url);
 
   void setServerConfiguration(const QString url, const QString email, const QString password);
+  QString getUserLoginUrl() const;
 
  public slots:
   void onSendGetRequestTriggered(const GetRequestTypes type, QVariant data);
@@ -64,6 +65,7 @@ class ServerCommunicator : public QObject {
   void currentBiddingRoundChangedReply(const QJsonDocument jsonDoc);
   void currentBiddingsReply(const QJsonDocument jsonDoc);
   void onlineUserAccountReply(const QJsonDocument jsonDoc);
+  void mailInviteSentReply(const QJsonDocument jsonDoc);
 };
 
 #endif  // SERVERCOMMUNICATOR_H