Bugfix - voucher items manipulation fixed.

shop/data/voucher.cpp

@@ -131,7 +131,13 @@ void Voucher::addItem(QSharedPointer<VoucherItem> item)
 
 void Voucher::removeItem(QSharedPointer<VoucherItem> item)
 {
-    m_items.removeOne(item);
+    if (item->id() != 0) {
+        m_items.removeIf([&item](const auto& it){
+            return item->id() == it->id();
+        });
+    } else {
+        m_items.removeOne(item);
+    }
 }
 
 void Voucher::clearItems()

shop/shopform.cpp

@@ -515,7 +515,6 @@ void ShopForm::recalculate()
 {
     ShopService srv;
     srv.calculate(m_voucher);
-    this->m_itemsModel->setData(m_voucher->items());
 
     setTotalText();
     ui->temporarySaveButton->setEnabled(!m_voucher->items().isEmpty());
@@ -530,6 +529,9 @@ void ShopForm::recalculate()
     {
         srv.update(m_voucher);
     }
+
+    this->m_itemsModel->setData(m_voucher->items());
+    connectItemSignals();
 }
 
 void ShopForm::on_receiptCombo_currentIndexChanged(int)
@@ -654,7 +656,9 @@ void ShopForm::on_actionDelete_items_triggered()
         QList<VoucherItemPtr> forDelete;
 
         for (const auto& row : ui->actualReceipt->selectionModel()->selectedIndexes()) {
-            forDelete << m_itemsModel->itemFromIndex(row);
+            if (!forDelete.contains(m_itemsModel->itemFromIndex(row))) {
+                forDelete << m_itemsModel->itemFromIndex(row);
+            }
         }
 
         for (auto& item : forDelete) {

shop/shopservice.cpp

@@ -173,6 +173,10 @@ void ShopService::pay(VoucherPtr voucher)
     voucher->setPayDateTime(QDateTime::currentDateTime());
 
     this->update(voucher, &session);
+
+    if (!session.isValid()) {
+        qDebug() << session.firstError().text();
+    }
 }
 
 void ShopService::updateRelatedItem(VoucherItem* item, int countAdded)
@@ -526,10 +530,11 @@ void ShopService::update(VoucherPtr entity, qx::QxSession* pSession) {
 
         Service::update(entity, pSession);
         auto oldItems = entity->items();
-        entity->clearItems();
-        load(entity);
 
-        for (auto item : entity->items()) {
+        Service<VoucherItem> srvItem;
+        auto items = srvItem.all("voucher = " + QString::number(entity->id()));
+
+        for (auto item : items) {
             auto newItem = std::find_if(oldItems.begin(), oldItems.end(), [item](auto it){
                 return item->id() == it->id();
             });