Find seller by sellerno

src/core/marketplace.cpp

@@ -42,3 +42,14 @@ int Marketplace::getNumSellersDelete()
 }
 
 void Marketplace::sortSellers() { std::sort(sellers_.begin(), sellers_.end()); }
+
+Seller* Marketplace::findSellerWithSellerNo(int sellerNo)
+{
+    auto iter =
+        std::find_if(sellers_.begin(), sellers_.end(), [sellerNo](const auto& a) {
+            return a->getSellerNo() == sellerNo;
+        });
+    if (iter == sellers_.end())
+        return nullptr;
+    return (*iter).get();
+}

src/core/marketplace.h

@@ -26,6 +26,7 @@ class Marketplace
     int getNextSellerNo();
     int getNumSellersDelete();
     void sortSellers();
+    Seller* findSellerWithSellerNo(int sellerNo);
 
   private:
     SellersVec sellers_;

src/gui/mainwindow.cpp

@@ -2,6 +2,8 @@
 
 #include "sellerdialog.h"
 
+#include <regex>
+
 constexpr int STATUSBAR_TIMEOUT = 5000;
 
 MainWindow::MainWindow()
@@ -11,6 +13,8 @@ MainWindow::MainWindow()
     connect(ui_.actionQuit, &QAction::triggered, qApp, QApplication::quit);
     connect(ui_.actionEditSeller, &QAction::triggered, this,
             &MainWindow::on_actionEditSeller_triggered);
+    connect(ui_.sellerNoEdit, &QLineEdit::returnPressed, this,
+            &MainWindow::on_sellerNoEdit_checkSellerNo);
 
     marketplace_ = std::make_unique<Marketplace>();
     marketplace_->loadFromDb();
@@ -32,3 +36,30 @@ void MainWindow::on_actionEditSeller_triggered()
                                  STATUSBAR_TIMEOUT);
     }
 }
+
+void MainWindow::on_sellerNoEdit_checkSellerNo()
+{
+    using std::regex, std::regex_match, std::smatch;
+
+    auto inputText = ui_.sellerNoEdit->text().toStdString();
+
+    if (inputText.empty()) {
+
+        return;
+    }
+
+    regex pattern{R"(\d{1,5})"};
+    smatch result;
+    if (!regex_match(inputText, result, pattern)) {
+        return;
+    }
+    int sellerNo = std::stoi(result[0]);
+
+    auto seller = marketplace_->findSellerWithSellerNo(sellerNo);
+    if (seller) {
+        std::cout << "!!! Seller gefunden: " << seller->getFirstName() << "\n";
+        // TODO: Warenkorb füllen
+    }
+    
+    ui_.sellerNoEdit->clear();
+}

src/gui/mainwindow.h

@@ -19,6 +19,7 @@ class MainWindow : public QMainWindow
 
   private:
     void on_actionEditSeller_triggered();
+    void on_sellerNoEdit_checkSellerNo();
 
     Ui::MainWindow ui_;
     std::unique_ptr<Marketplace> marketplace_;

src/gui/mainwindow.ui

@@ -52,10 +52,10 @@
         <item>
          <layout class="QHBoxLayout" name="horizontalLayout_4">
           <item>
-           <widget class="QLineEdit" name="lineEdit"/>
+           <widget class="QLineEdit" name="sellerNoEdit"/>
           </item>
           <item>
-           <widget class="QPushButton" name="pushButton_3">
+           <widget class="QPushButton" name="paidButton">
             <property name="text">
              <string>Bezahlt!</string>
             </property>