diff --git a/shop/isellableservice.h b/shop/isellableservice.h
index 8ce1372..41ba709 100644
--- a/shop/isellableservice.h
+++ b/shop/isellableservice.h
@@ -11,7 +11,8 @@ class SHOPSHARED_EXPORT ISellableService
 public:
     ISellableService();
 
-    virtual QList<QSharedPointer<ShopItem> > shopItems() = 0;
+    virtual QList<ShopItemPtr> shopItems() = 0;
+    //virtual void addToReceipt()
 };
 
 #endif // ISELLABLESERVICE_H
diff --git a/shop/shopitem.h b/shop/shopitem.h
index d23eac1..e9c9f26 100644
--- a/shop/shopitem.h
+++ b/shop/shopitem.h
@@ -30,4 +30,6 @@ public:
     virtual QString pluginId() override { return ""; }
 };
 
+typedef QSharedPointer<ShopItem> ShopItemPtr;
+
 #endif // SHOPITEM_H
diff --git a/shop/shopservice.cpp b/shop/shopservice.cpp
index 6220085..23833d7 100644
--- a/shop/shopservice.cpp
+++ b/shop/shopservice.cpp
@@ -7,14 +7,14 @@ ShopService::ShopService()
 {
 }
 
-QSharedPointer<Voucher> ShopService::createVoucher()
+VoucherPtr ShopService::createVoucher()
 {
     QSharedPointer<Voucher> voucher(new Voucher);
     voucher->setStatus(Voucher::NEW);
     return voucher;
 }
 
-void ShopService::addShopItem(QSharedPointer<Voucher> voucher, QSharedPointer<IShopItem> item, int count)
+void ShopService::addShopItem(VoucherPtr voucher, QSharedPointer<IShopItem> item, int count)
 {
     QSharedPointer<VoucherItem> vItem(new VoucherItem);
     vItem->setName(item->name());
@@ -27,7 +27,7 @@ void ShopService::addShopItem(QSharedPointer<Voucher> voucher, QSharedPointer<IS
     voucher->addItem(vItem);
 }
 
-void ShopService::calculate(QSharedPointer<Voucher> voucher)
+void ShopService::calculate(VoucherPtr voucher)
 {
     QDecDouble total;
 
@@ -66,7 +66,7 @@ void ShopService::calculate(QSharedPointer<Voucher> voucher)
     voucher->setTotalPrice(total);
 }
 
-void ShopService::calculateItem(QSharedPointer<VoucherItem> item)
+void ShopService::calculateItem(VoucherItemPtr item)
 {
     loadSettings();
     if (m_gs->vatPayer())
@@ -82,13 +82,13 @@ void ShopService::calculateItem(QSharedPointer<VoucherItem> item)
     }
 }
 
-void ShopService::loadItems(QSharedPointer<Voucher> voucher)
+void ShopService::loadItems(VoucherPtr voucher)
 {
     Service<VoucherItem> srv;
     voucher->setItems(srv.all(QString("voucher = %1").arg(voucher->id())));
 }
 
-void ShopService::pay(QSharedPointer<Voucher> voucher)
+void ShopService::pay(VoucherPtr voucher)
 {
     Transaction tx;
     NumberSeriesService srvNs;
@@ -106,22 +106,22 @@ void ShopService::pay(QSharedPointer<Voucher> voucher)
     tx.commit();
 }
 
-QList<QSharedPointer<Voucher> > ShopService::savedVouchers()
+QList<VoucherPtr> ShopService::savedVouchers()
 {
     return all(QString("status = %1").arg(QString::number(Voucher::NOT_PAID)));
 }
 
-QList<QSharedPointer<Voucher> > ShopService::tempVouchers()
+QList<VoucherPtr> ShopService::tempVouchers()
 {
     return all(QString("status = %1").arg(QString::number(Voucher::TEMPORARY)));
 }
 
-QList<QSharedPointer<Voucher> > ShopService::paiedVouchers()
+QList<VoucherPtr> ShopService::paiedVouchers()
 {
     return all(QString("status = %1").arg(QString::number(Voucher::PAID)));
 }
 
-QList<QSharedPointer<ShopItem> > ShopService::allSellableItems()
+QList<ShopItemPtr> ShopService::allSellableItems()
 {
     QList<QSharedPointer<ShopItem> > items;
     foreach (IPlugin *plugin, Context::instance().plugins()) {
@@ -176,7 +176,7 @@ QDecDouble ShopService::vatRate(Enums::VatType vatType)
     return vatRate;
 }
 
-void ShopService::saveVoucher(QSharedPointer<Voucher> entity)
+void ShopService::saveVoucher(VoucherPtr entity)
 {
     Transaction tr;
     odb::database *db = Context::instance().db();
@@ -191,7 +191,7 @@ void ShopService::saveVoucher(QSharedPointer<Voucher> entity)
     tr.commit();
 }
 
-void ShopService::updateVoucher(QSharedPointer<Voucher> entity)
+void ShopService::updateVoucher(VoucherPtr entity)
 {
     Transaction tr;
     odb::database *db = Context::instance().db();
diff --git a/shop/shopservice.h b/shop/shopservice.h
index 87eae88..2b1ef82 100644
--- a/shop/shopservice.h
+++ b/shop/shopservice.h
@@ -13,16 +13,16 @@ class ShopService : public Service<Voucher>
 {
 public:
     ShopService();
-    QSharedPointer<Voucher> createVoucher();
-    void addShopItem(QSharedPointer<Voucher> voucher, QSharedPointer<IShopItem> item, int count);
-    void calculate(QSharedPointer<Voucher> voucher);
-    void calculateItem(QSharedPointer<VoucherItem> item);
-    void loadItems(QSharedPointer<Voucher> voucher);
-    void pay(QSharedPointer<Voucher> voucher);
-    QList<QSharedPointer<Voucher> > savedVouchers();
-    QList<QSharedPointer<Voucher> > tempVouchers();
-    QList<QSharedPointer<Voucher> > paiedVouchers();
-    QList<QSharedPointer<ShopItem> > allSellableItems();
+    VoucherPtr createVoucher();
+    void addShopItem(VoucherPtr voucher, QSharedPointer<IShopItem> item, int count);
+    void calculate(VoucherPtr voucher);
+    void calculateItem(VoucherItemPtr item);
+    void loadItems(VoucherPtr voucher);
+    void pay(VoucherPtr voucher);
+    QList<VoucherPtr> savedVouchers();
+    QList<VoucherPtr> tempVouchers();
+    QList<VoucherPtr> paiedVouchers();
+    QList<ShopItemPtr> allSellableItems();
 
 private:
     QDecDouble includeVat(QDecDouble price, Enums::VatType vatType);
@@ -32,8 +32,8 @@ private:
     QDecDouble vatRate(Enums::VatType vatType);
 
 public:
-    void saveVoucher(QSharedPointer<Voucher> entity);
-    void updateVoucher(QSharedPointer<Voucher> entity);
+    void saveVoucher(VoucherPtr entity);
+    void updateVoucher(VoucherPtr entity);
 };
 
 #endif // SHOPSERVICE_H