Implemented "EET switch to offline" feature.

shop/shopservice.cpp

@@ -126,7 +126,7 @@ void ShopService::updateRelatedItem(VoucherItem* item, int countAdded)
     }
 }
 
-bool ShopService::processEet(VoucherPtr voucher, QString message)
+bool ShopService::processEet(VoucherPtr voucher, QString &message)
 {
     if (voucher->eetStatus() == Voucher::EET_NOT_ENTERING)
     {
@@ -153,8 +153,9 @@ bool ShopService::processEet(VoucherPtr voucher, QString message)
     sender->setPlayground(settings->eetPlayground());
 
     QEventLoop loop;
+    bool replyFinished = false;
 
-    connect(sender, &EetSender::sendFinished, [this, voucher, sender, &loop](){
+    connect(sender, &EetSender::sendFinished, [this, voucher, sender, &loop, &replyFinished](){
         Transaction tx;
 
         voucher->setEetBkp(sender->resut()->bkp());
@@ -176,10 +177,15 @@ bool ShopService::processEet(VoucherPtr voucher, QString message)
         sender->deleteLater();
 
         loop.quit();
+        replyFinished = true;
     });
 
     sender->sendRequest(&request);
-    loop.exec();
+
+    if (!replyFinished)
+    {
+        loop.exec();
+    }
 
     auto addMessage = [&message](EetMessage *msg, const QString &label){
         if (message.isEmpty())
@@ -206,6 +212,11 @@ void ShopService::setEetOnline(bool online)
     EetSender::m_online = online;
 }
 
+bool ShopService::isEetOnline()
+{
+    return EetSender::m_online;
+}
+
 void ShopService::moveItems(QList<VoucherItemPtr> items, VoucherPtr source, VoucherPtr target)
 {
     Transaction tx;