More on basket

src/gui/basketmodel.cpp

@@ -0,0 +1,94 @@
+#include "basketmodel.h"
+
+BasketModel::BasketModel(Marketplace* market, QObject* parent)
+    : QAbstractTableModel(parent), marketplace_(market)
+{
+}
+
+int BasketModel::rowCount([[maybe_unused]] const QModelIndex& parent) const
+{
+    return static_cast<int>(marketplace_->basketSize());
+}
+
+int BasketModel::columnCount([[maybe_unused]] const QModelIndex& parent) const { return 4; }
+
+QVariant BasketModel::data(const QModelIndex& index, int role) const
+{
+    if (role != Qt::DisplayRole)
+        return QVariant();
+
+    if (marketplace_->basketSize() == 0)
+        return QVariant();
+
+    Article* article = marketplace_->getBasket().at(index.row()).get();
+
+    switch (index.column()) {
+    case 0:
+        return article->getUuidAsString().c_str();
+    case 1:
+        return article->getArticleNo();
+    case 2:
+        return article->getSeller()->getSellerNo();
+    case 3:
+        return article->getPrice();
+    default:
+        return "???";
+    }
+    return QVariant{};
+}
+
+QVariant BasketModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if (role != Qt::DisplayRole)
+        return QVariant();
+
+    if (orientation == Qt::Horizontal) {
+        switch (section) {
+        case 0:
+            return "ID";
+        case 1:
+            return "Art.Nr.";
+        case 2:
+            return "Verk.Nr.";
+        case 3:
+            return "Preis";
+        default:
+            return "???";
+        }
+        return QStringLiteral("%1").arg(section);
+    } else
+        return "";
+}
+
+/* bool BasketModel::insertRows(int row, int count, const QModelIndex& parent)
+{
+    //emit beginInsertRows(parent, row, row + count - 1);
+    //auto article = std::make_unique<Article>();
+    //article->createUuid();
+    //article->setArticleNo(marketplace_->getNextArticleNo());
+    //marketplace_->addArticleToBasket(std::move(article));
+    //emit endInsertRows();
+
+    emit layoutChanged();
+
+    return true;
+} */
+
+void BasketModel::addArticle(Seller* seller, int price)
+{
+    emit beginInsertRows(QModelIndex(), marketplace_->getBasket().size(), marketplace_->getBasket().size());
+    auto article = std::make_unique<Article>(price);
+    article->createUuid();
+    article->setArticleNo(marketplace_->getNextArticleNo() + marketplace_->getBasket().size());
+    article->setSeller(seller);
+    std::cout << "!!! Neuer Artikel: " << article->getPrice() << " Cent \n";
+    marketplace_->addArticleToBasket(std::move(article));
+    emit endInsertRows();
+}
+
+void BasketModel::finishSale()
+{
+    emit beginRemoveRows(QModelIndex(), 0, marketplace_->getBasket().size()-1);
+    marketplace_->finishCurrentSale();
+    emit endRemoveRows();
+}