Build system changed to Cmake, ORM changed to QxORM, Qt6 compatibility.

shop/shopitem.h

@@ -6,7 +6,7 @@
 #include "shop_global.h"
 #include "ishopitem.h"
 
-class SHOPSHARED_EXPORT ShopItem : public QObject, public IShopItem
+class SHOPSHARED_EXPORT ShopItem : public IShopItem
 {
     Q_OBJECT
 
@@ -17,7 +17,7 @@ class SHOPSHARED_EXPORT ShopItem : public QObject, public IShopItem
     Q_PROPERTY(Enums::VatType vatType READ vatType)
 
 public:
-    explicit ShopItem(QObject *parent = 0);
+    explicit ShopItem(QObject *parent = nullptr);
 
 signals:
 
@@ -25,13 +25,13 @@ public slots:
 
     // IShopItem interface
 public:
-    virtual int id() override { return 0; }
-    virtual QString code() { return ""; }
-    virtual QString name() override { return ""; }
-    virtual QString shortName() override { return ""; }
-    virtual QDecDouble unitPrice() override { return QDecDouble(); }
-    virtual Enums::VatType vatType() override { return Enums::NONE; }
-    virtual QString pluginId() override { return ""; }
+    long id() override { return 0; }
+    QString code() override { return ""; }
+    QString name() override { return ""; }
+    QString shortName() override { return ""; }
+    QDecDouble unitPrice() override { return {}; }
+    Enums::VatType vatType() override { return Enums::NONE; }
+    QString pluginId() override { return ""; }
 };
 
 typedef QSharedPointer<ShopItem> ShopItemPtr;