added a button to cancel installation if the package manager on the server is busy

client/core/servercontroller.cpp

@@ -634,9 +634,9 @@ QString ServerController::checkSshConnection(const ServerCredentials &credential
     return stdOut;
 }
 
-void ServerController::setCancelInstallation(const bool cancel)
+void ServerController::cancelInstallation()
 {
-    m_cancelInstallation = cancel;
+    m_cancelInstallation = true;
 }
 
 ErrorCode ServerController::setupServerFirewall(const ServerCredentials &credentials)
@@ -737,6 +737,7 @@ ErrorCode ServerController::isUserInSudo(const ServerCredentials &credentials, D
 
 ErrorCode ServerController::isServerDpkgBusy(const ServerCredentials &credentials, DockerContainer container)
 {
+    m_cancelInstallation = false;
     QString stdOut;
     auto cbReadStdOut = [&](const QString &data, libssh::Client &) {
         stdOut += data + "\n";
@@ -784,7 +785,6 @@ ErrorCode ServerController::isServerDpkgBusy(const ServerCredentials &credential
     watcher.setFuture(future);
     wait.exec();
 
-    m_cancelInstallation = false;
     emit serverIsBusy(false);
 
     return future.result();

client/core/servercontroller.h

@@ -56,7 +56,7 @@ public:
 
     QString checkSshConnection(const ServerCredentials &credentials, ErrorCode *errorCode = nullptr);
 
-    void setCancelInstallation(const bool cancel);
+    void cancelInstallation();
 
     ErrorCode getDecryptedPrivateKey(const ServerCredentials &credentials, QString &decryptedPrivateKey,
                                      const std::function<QString()> &callback);

client/ui/controllers/installController.cpp

@@ -130,6 +130,7 @@ void InstallController::installServer(DockerContainer container, QJsonObject &co
 {
     ServerController serverController(m_settings);
     connect(&serverController, &ServerController::serverIsBusy, this, &InstallController::serverIsBusy);
+    connect(this, &InstallController::cancelInstallation, &serverController, &ServerController::cancelInstallation);
 
     QMap<DockerContainer, QJsonObject> installedContainers;
     ErrorCode errorCode =
@@ -181,6 +182,7 @@ void InstallController::installContainer(DockerContainer container, QJsonObject
 
     ServerController serverController(m_settings);
     connect(&serverController, &ServerController::serverIsBusy, this, &InstallController::serverIsBusy);
+    connect(this, &InstallController::cancelInstallation, &serverController, &ServerController::cancelInstallation);
 
     QMap<DockerContainer, QJsonObject> installedContainers;
     ErrorCode errorCode = serverController.getAlreadyInstalledContainers(serverCredentials, installedContainers);
@@ -282,6 +284,7 @@ void InstallController::updateContainer(QJsonObject config)
 
     ServerController serverController(m_settings);
     connect(&serverController, &ServerController::serverIsBusy, this, &InstallController::serverIsBusy);
+    connect(this, &InstallController::cancelInstallation, &serverController, &ServerController::cancelInstallation);
 
     auto errorCode = serverController.updateContainer(serverCredentials, container, oldContainerConfig, config);
     if (errorCode == ErrorCode::NoError) {

client/ui/controllers/installController.h

@@ -65,6 +65,7 @@ signals:
     void passphraseRequestFinished();
 
     void serverIsBusy(const bool isBusy);
+    void cancelInstallation();
 
     void currentContainerUpdated();
 

client/ui/qml/Pages2/PageSetupWizardInstalling.qml

@@ -19,6 +19,7 @@ PageType {
 
     property bool isTimerRunning: true
     property string progressBarText: qsTr("Usually it takes no more than 5 minutes")
+    property bool isCancelButtonVisible: false
 
     Connections {
         target: InstallController
@@ -61,11 +62,13 @@ PageType {
 
         function onServerIsBusy(isBusy) {
             if (isBusy) {
+                root.isCancelButtonVisible = true
                 root.progressBarText = qsTr("Amnezia has detected that your server is currently ") +
                                        qsTr("busy installing other software. Amnezia installation ") +
                                        qsTr("will pause until the server finishes installing other software")
                 root.isTimerRunning = false
             } else {
+                root.isCancelButtonVisible = false
                 root.progressBarText = qsTr("Usually it takes no more than 5 minutes")
                 root.isTimerRunning = true
             }
@@ -150,6 +153,22 @@ PageType {
 
                             text: root.progressBarText
                         }
+
+                        BasicButtonType {
+                            id: cancelIntallationButton
+
+                            Layout.fillWidth: true
+                            Layout.topMargin: 24
+
+                            visible: root.isCancelButtonVisible
+
+                            text: qsTr("Cancel installation")
+
+                            onClicked: {
+                                InstallController.cancelInstallation()
+                                PageController.showBusyIndicator(true)
+                            }
+                        }
                     }
                 }
             }

client/ui/qml/Pages2/PageSetupWizardStart.qml

@@ -60,6 +60,7 @@ PageType {
         target: InstallController
 
         function onInstallationErrorOccurred(errorMessage) {
+            PageController.showBusyIndicator(false)
             PageController.showErrorMessage(errorMessage)
 
             var currentPageName = stackView.currentItem.objectName

client/ui/qml/Pages2/PageStart.qml

@@ -82,6 +82,7 @@ PageType {
         target: InstallController
 
         function onInstallationErrorOccurred(errorMessage) {
+            PageController.showBusyIndicator(false)
             PageController.showErrorMessage(errorMessage)
 
             var needCloseCurrentPage = false