Choice model settings was added

viewmodels/ordersviewmodel.cpp

@@ -0,0 +1,72 @@
+#include "ordersviewmodel.h"
+
+#include <QDateTime>
+
+OrdersViewModel::OrdersViewModel(QObject *parent)
+    : QAbstractListModel{parent}
+{
+    connect(&m_ordersModel, &BaseModel::dataChanged, this, &OrdersViewModel::reload);
+    connect(&m_usersModel, &BaseModel::dataChanged, this, &OrdersViewModel::reload);
+    connect(&m_productsModel, &BaseModel::dataChanged, this, &OrdersViewModel::reload);
+    connect(&m_storesModel, &BaseModel::dataChanged, this, &OrdersViewModel::reload);
+
+    reload();
+}
+
+int OrdersViewModel::rowCount(const QModelIndex &) const
+{
+    return m_model.count();
+}
+
+QVariant OrdersViewModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid()) {
+        return {};
+    }
+
+    return m_model.at(index.row()).toMap()[roleNames().value(role)];
+}
+
+QHash<int, QByteArray> OrdersViewModel::roleNames() const
+{
+    return QHash<int, QByteArray> {
+        { Roles::UserName, "userName" },
+        { Roles::StoreName, "storeName" },
+        { Roles::Date, "date" },
+        { Roles::Time, "time"},
+        { Roles::Amount, "amount" },
+        { Roles::Products, "products" }
+    };
+}
+
+void OrdersViewModel::reload()
+{
+    beginResetModel();
+
+    m_model.clear();
+
+    for (const QVariant &vOrder : m_ordersModel.orders()) {
+        QVariantMap order = vOrder.toMap();
+        QDateTime orderTime = QDateTime::fromSecsSinceEpoch(order.value("ts", 0).toDouble());
+        order["date"] = orderTime.date();
+        order["time"] = orderTime.time();
+        order["userName"] = m_usersModel.itemProperty(order["userId"].toString(), "name").toString();
+        order["storeName"] = m_storesModel.itemProperty(order["storeId"].toString(), "name").toString();
+
+        QVariantList prodModel;
+        for (const QVariant &prod : order["products"].toList()) {
+            QVariantMap product = prod.toMap();
+            product["product"] = m_productsModel.itemProperty(product.value("productId").toString(), "name");
+            prodModel << product;
+        }
+        order["products"] = prodModel;
+
+        m_model << order;
+    }
+
+    std::sort(m_model.begin(), m_model.end(), [](const QVariant &l, const QVariant &r) {
+        return l.toMap().value("ts").toDouble() < r.toMap().value("ts").toDouble();
+    });
+
+    endResetModel();
+}