add error 1123 & fix update qr code & fix hide qr code

client/core/controllers/api/pairingController.cpp

@@ -78,6 +78,11 @@ ErrorCode applyGatewayOrOpenApiScanError(const QJsonObject &obj)
     }
 
     const QString msg = obj.value(QStringLiteral("message")).toString();
+    if (msg.contains(QStringLiteral("QR session"), Qt::CaseInsensitive)
+        && (msg.contains(QStringLiteral("not found"), Qt::CaseInsensitive)
+            || msg.contains(QStringLiteral("expired"), Qt::CaseInsensitive))) {
+        return ErrorCode::ApiPairingSessionExpiredError;
+    }
     if (msg.contains(QStringLiteral("not found"), Qt::CaseInsensitive) || msg.contains(QStringLiteral("expired"), Qt::CaseInsensitive)) {
         return ErrorCode::ApiNotFoundError;
     }

client/core/utils/api/apiUtils.cpp

@@ -153,6 +153,21 @@ amnezia::ErrorCode apiUtils::checkNetworkReplyErrors(const QList<QSslError> &ssl
         if (httpStatusFromBody == httpStatusCodePaymentRequired) {
             return amnezia::ErrorCode::ApiSubscriptionNotActiveError;
         }
+
+        const QString msg = apiErrorMessageFromJson(jsonObj);
+        if (msg.contains(QStringLiteral("QR session"), Qt::CaseInsensitive)
+            && (msg.contains(QStringLiteral("not found"), Qt::CaseInsensitive)
+                || msg.contains(QStringLiteral("expired"), Qt::CaseInsensitive))) {
+            return amnezia::ErrorCode::ApiPairingSessionExpiredError;
+        }
+        if (msg.contains(QStringLiteral("not found"), Qt::CaseInsensitive)
+            || msg.contains(QStringLiteral("expired"), Qt::CaseInsensitive)) {
+            return amnezia::ErrorCode::ApiNotFoundError;
+        }
+        if (httpStatusCode == httpStatusCodeNotFound) {
+            return amnezia::ErrorCode::ApiNotFoundError;
+        }
+
         return amnezia::ErrorCode::ApiConfigDownloadError;
     }
 

client/core/utils/errorCodes.h

@@ -106,6 +106,7 @@ namespace amnezia
         ApiPairingServiceUnavailableError = 1120,
         ApiPairingPayloadTooLargeError = 1121,
         ApiPairingMissingMetadataError = 1122,
+        ApiPairingSessionExpiredError = 1123,
 
         // QFile errors
         OpenError = 1200,

client/core/utils/errorStrings.cpp

@@ -90,6 +90,7 @@ QString errorString(ErrorCode code) {
     case (ErrorCode::ApiPairingServiceUnavailableError): errorMessage = QObject::tr("Service temporarily unavailable. Please try again later"); break;
     case (ErrorCode::ApiPairingPayloadTooLargeError): errorMessage = QObject::tr("QR pairing data is too large to send"); break;
     case (ErrorCode::ApiPairingMissingMetadataError): errorMessage = QObject::tr("This subscription is missing data required to transfer via QR (service type or country). Refresh the subscription or pick another server."); break;
+    case (ErrorCode::ApiPairingSessionExpiredError): errorMessage = QObject::tr("The QR code session has ended. Show a new QR code on the other device and scan again."); break;
 
     // QFile errors
     case(ErrorCode::OpenError): errorMessage = QObject::tr("QFile error: The file could not be opened"); break;

client/tests/testPairingParsers.cpp

@@ -108,6 +108,15 @@ private slots:
         QCOMPARE(PairingController::parseScanQrResponseBody(body), ErrorCode::ApiNotFoundError);
     }
 
+    void scanQr_qrSessionExpiredMessage()
+    {
+        QJsonObject o;
+        o[QStringLiteral("message")] = QStringLiteral("QR session not found or expired");
+        const QByteArray body = QJsonDocument(o).toJson();
+
+        QCOMPARE(PairingController::parseScanQrResponseBody(body), ErrorCode::ApiPairingSessionExpiredError);
+    }
+
     void validateScanFields_oversizedVpnKey()
     {
         QString vpnKey;

client/ui/controllers/api/pairingUiController.cpp

@@ -435,12 +435,24 @@ void PairingUiController::startTvQrSession()
     if (m_tvPairingBusy) {
         return;
     }
+    rotateTvQrSession();
+}
+
+void PairingUiController::rotateTvQrSession()
+{
+    if (!m_pairingController || !m_appSettingsRepository) {
+        return;
+    }
 
     if (m_tvWatcher) {
         m_tvWatcher->disconnect();
         m_tvWatcher->deleteLater();
         m_tvWatcher.clear();
     }
+    if (m_tvNetworkReply) {
+        m_tvNetworkReply->abort();
+        m_tvNetworkReply.clear();
+    }
 
     ++m_tvSessionGeneration;
     const quint64 generation = m_tvSessionGeneration;
@@ -505,6 +517,11 @@ void PairingUiController::dispatchTvGenerateQrAttempt(quint64 generation, int re
                              setTvBusy(false);
                              if (impErr != ErrorCode::NoError) {
                                  emit errorOccurred(impErr);
+                                 if (impErr == ErrorCode::ApiConfigAlreadyAdded) {
+                                     emit tvPairingConfigAlreadyAdded();
+                                     QTimer::singleShot(0, this, [this]() { rotateTvQrSession(); });
+                                     return;
+                                 }
                                  resetTvQrDisplay();
                                  return;
                              }
@@ -526,7 +543,7 @@ void PairingUiController::dispatchTvGenerateQrAttempt(quint64 generation, int re
 
                          if (logicalErr == ErrorCode::ApiConfigTimeoutError) {
                              setTvBusy(false);
-                             QTimer::singleShot(0, this, [this]() { startTvQrSession(); });
+                             QTimer::singleShot(0, this, [this]() { rotateTvQrSession(); });
                              return;
                          }
 

client/ui/controllers/api/pairingUiController.h

@@ -62,6 +62,8 @@ public:
 public slots:
     bool canOpenTvQrPairingPage();
     void startTvQrSession();
+    /** New UUID + QR image; aborts in-flight generate_qr without clearing the code first. */
+    void rotateTvQrSession();
     void cancelTvQrSession();
     void cancelAllPairingActivity();
 
@@ -84,6 +86,7 @@ signals:
     void lastSuccessfulPhonePairingDisplayNameChanged();
 
     void tvPairingConfigReceived();
+    void tvPairingConfigAlreadyAdded();
     void phonePairingSucceeded();
 
     void pairingUuidFromScan(const QString &uuid);

client/ui/qml/Pages2/PageSettingsApiDevices.qml

@@ -109,16 +109,16 @@ PageType {
         }
 
         function onPhonePairingSucceeded() {
-            if (!root.visible) {
-                return
-            }
             SubscriptionUiController.updateApiDevicesModel()
             const label = PairingUiController.lastSuccessfulPhonePairingDisplayName
             if (label.length > 0) {
                 PageController.showNotificationMessage(
-                            qsTr("%1 has been added to your subscription").arg(label))
+                            qsTr("Configuration was sent (%1). Finish setup on the device that displayed the QR code — "
+                                 + "if it already has this config, that device will show a message.").arg(label))
             } else {
-                PageController.showNotificationMessage(qsTr("New device has been added to your subscription"))
+                PageController.showNotificationMessage(
+                            qsTr("Configuration was sent to the device that displayed the QR code. "
+                                 + "If it already has this config, that device will show a message."))
             }
         }
 

client/ui/qml/Pages2/PageSetupWizardApiQrPairingReceive.qml

@@ -48,8 +48,7 @@ PageType {
         repeat: true
         running: root.visible
         onTriggered: {
-            PairingUiController.cancelTvQrSession()
-            PairingUiController.startTvQrSession()
+            PairingUiController.rotateTvQrSession()
         }
     }
 
@@ -184,5 +183,10 @@ PageType {
                 PageController.closePage()
             })
         }
+
+        function onTvPairingConfigAlreadyAdded() {
+            scrollToBottomRetryTimer.stop()
+            qrRotationTimer.restart()
+        }
     }
 }