From dde8ee442f9551f416f8033feeb657eef6be6ebb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=A6=8C=20=EA=A6=AB=EA=A6=B6=20=EA=A6=8F=EA=A7=80?=
 =?UTF-8?q?=EA=A6=A6=EA=A6=BF=20=EA=A6=A7=20=EA=A6=AE=20=EA=A6=91=20?=
 =?UTF-8?q?=EA=A6=A9=20=EA=A6=AD=EA=A7=80?= <erik@darapsa.co.id>
Date: Sat, 5 Oct 2019 18:10:03 +0800
Subject: Basket class

---
 basket.cxx           | 60 +++++++++++++++++++++++++++++++++++++++++++
 qicclient.pro        |  2 ++
 qicclient/basket.hxx | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 134 insertions(+)
 create mode 100644 basket.cxx
 create mode 100644 qicclient/basket.hxx

diff --git a/basket.cxx b/basket.cxx
new file mode 100644
index 0000000..c4905e0
--- /dev/null
+++ b/basket.cxx
@@ -0,0 +1,60 @@
+#include "qicclient/basket.hxx"
+
+namespace ICClient {
+
+	int Basket::rowCount(QModelIndex const& parent) const
+	{
+		Q_UNUSED(parent)
+			return items.count();
+	}
+
+	QVariant Basket::data(QModelIndex const& index, int role) const
+	{
+		auto row = index.row();
+
+		if (row < 0 || row >= items.count()) return QVariant();
+
+		auto item = items[row];
+		switch (role) {
+			case Product::SkuRole:
+				return item.product.sku;
+			case Product::DescriptionRole:
+				return item.product.description;
+			case Product::PriceRole:
+				return item.product.price;
+			case Item::QuantityRole:
+				return item.quantity;
+			default:
+				return QVariant();
+		}
+	}
+
+	QHash<int, QByteArray> Basket::roleNames() const
+	{
+		return QHash<int, QByteArray>{
+			{Product::SkuRole, "sku"}
+			, {Product::DescriptionRole, "description"}
+			, {Product::PriceRole, "price"}
+			, {Item::QuantityRole, "quantity"}
+		};
+	}
+
+	void Basket::addItem(Item const& item)
+	{
+		beginInsertRows(QModelIndex(), rowCount(), rowCount());
+		items << item;
+		endInsertRows();
+		emit rowCountChanged();
+	}
+
+	void Basket::update(icclient_ord_order* order)
+	{
+		if (order) {
+			for (size_t i = 0; i < order->nitems; i++)
+				addItem(Item{order->items[i]});
+			icclient_ord_free(order);
+			emit updated();
+		}
+	}
+
+}
diff --git a/qicclient.pro b/qicclient.pro
index 623a0b8..4d7150b 100644
--- a/qicclient.pro
+++ b/qicclient.pro
@@ -6,10 +6,12 @@ HEADERS += \
 	qicclient/user.hxx \
 	qicclient/product.hxx \
 	qicclient/catalog.hxx \
+	qicclient/basket.hxx \
 	qicclient/client.hxx
 SOURCES += \
 	user.cxx \
 	catalog.cxx \
+	basket.cxx \
 	client.cxx
 INCLUDEPATH += $$PWD/libicclient
 LIBS += $$PWD/libicclient/libicclient.a
diff --git a/qicclient/basket.hxx b/qicclient/basket.hxx
new file mode 100644
index 0000000..eabec33
--- /dev/null
+++ b/qicclient/basket.hxx
@@ -0,0 +1,72 @@
+#ifndef QICCLIENT_BASKET_HXX
+#define QICCLIENT_BASKET_HXX
+
+#include <QAbstractListModel>
+#include <icclient/ord.h>
+#include "product.hxx"
+
+struct icclient_ord_order;
+
+namespace ICClient {
+
+	struct Item
+	{
+		enum ItemRoles {
+			QuantityRole = Product::PriceRole + 1
+		};
+
+		Item(icclient_ord_item* item)
+			: product{item->product}
+			, quantity{item->quantity}
+		{}
+
+		Product product;
+		unsigned int quantity;
+	};
+
+	class Basket : public QAbstractListModel
+	{
+		Q_OBJECT
+		Q_PROPERTY(double subtotal READ subtotal NOTIFY subtotalChanged)
+		Q_PROPERTY(double shipping READ shipping NOTIFY shippingChanged)
+		Q_PROPERTY(double totalCost READ totalCost NOTIFY totalCostChanged)
+		Q_PROPERTY(int rowCount READ rowCount NOTIFY rowCountChanged)
+
+		public:
+			explicit Basket(QObject* parent = nullptr)
+				: QAbstractListModel{parent} {}
+
+			int rowCount(QModelIndex const& parent
+					= QModelIndex()) const Q_DECL_OVERRIDE;
+			QVariant data(const QModelIndex& index
+					, int role = Qt::DisplayRole
+					) const Q_DECL_OVERRIDE;
+
+			double subtotal() const { return m_subtotal; }
+			double shipping() const { return m_shipping; }
+			double totalCost() const { return m_totalCost; }
+
+		public slots:
+			void update(icclient_ord_order* order);
+
+		protected:
+			QHash<int, QByteArray> roleNames() const Q_DECL_OVERRIDE;
+
+		signals:
+			void updated();
+			void subtotalChanged();
+			void shippingChanged();
+			void totalCostChanged();
+			void rowCountChanged();
+
+		private:
+			void addItem(Item const& item);
+			QList<Item> items;
+			double m_subtotal;
+			double m_shipping;
+			double m_totalCost;
+	};
+
+}
+
+#endif // QICCLIENT_BASKET_HXX
-- 
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