chore: added 404 handling for revoke configs

- added revoke before remove api server for premium v2

client/core/api/apiUtils.cpp

@@ -57,6 +57,7 @@ apiDefs::ConfigSource apiUtils::getConfigSource(const QJsonObject &serverConfigO
 amnezia::ErrorCode apiUtils::checkNetworkReplyErrors(const QList<QSslError> &sslErrors, QNetworkReply *reply)
 {
     const int httpStatusCodeConflict = 409;
+    const int httpStatusCodeNotFound = 404;
 
     if (!sslErrors.empty()) {
         qDebug().noquote() << sslErrors;
@@ -75,6 +76,8 @@ amnezia::ErrorCode apiUtils::checkNetworkReplyErrors(const QList<QSslError> &ssl
         qDebug() << httpStatusCode;
         if (httpStatusCode == httpStatusCodeConflict) {
             return amnezia::ErrorCode::ApiConfigLimitError;
+        } else if (httpStatusCode == httpStatusCodeNotFound) {
+            return amnezia::ErrorCode::ApiNotFoundError;
         }
         return amnezia::ErrorCode::ApiConfigDownloadError;
     }

client/core/defs.h

@@ -110,6 +110,7 @@ namespace amnezia
         ApiConfigDecryptionError = 1106,
         ApiServicesMissingError = 1107,
         ApiConfigLimitError = 1108,
+        ApiNotFoundError = 1109,
 
         // QFile errors
         OpenError = 1200,

client/core/errorstrings.cpp

@@ -67,6 +67,7 @@ QString errorString(ErrorCode code) {
     case (ErrorCode::ApiConfigDecryptionError): errorMessage = QObject::tr("Failed to decrypt response payload"); break;
     case (ErrorCode::ApiServicesMissingError): errorMessage = QObject::tr("Missing list of available services"); break;
     case (ErrorCode::ApiConfigLimitError): errorMessage = QObject::tr("The limit of allowed configurations per subscription has been exceeded"); break;
+    case (ErrorCode::ApiNotFoundError): errorMessage = QObject::tr("Error when retrieving configuration from API"); break;
 
     // QFile errors
     case(ErrorCode::OpenError): errorMessage = QObject::tr("QFile error: The file could not be opened"); break;