feat(GODT-2482): more attachment to relevant exceptions.

internal/frontend/bridge-gui/bridgepp/bridgepp/Log/LogUtils.cpp

@@ -0,0 +1,68 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Proton Mail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
+
+
+#include "LogUtils.h"
+#include <bridgepp/BridgeUtils.h>
+#include <bridgepp/Exception/Exception.h>
+
+
+namespace bridgepp {
+
+
+//****************************************************************************************************************************************************
+/// \return user logs directory used by bridge.
+//****************************************************************************************************************************************************
+QString userLogsDir() {
+    QString const path = QDir(bridgepp::userDataDir()).absoluteFilePath("logs");
+    QDir().mkpath(path);
+    return path;
+}
+
+//****************************************************************************************************************************************************
+/// \brief Return the path of the latest bridge log.
+/// \return The path of the latest bridge log file.
+/// \return An empty string if no bridge log file was found.
+//****************************************************************************************************************************************************
+QString latestBridgeLogPath() {
+    QDir const logsDir(userLogsDir());
+    if (logsDir.isEmpty()) {
+        return QString();
+    }
+    QFileInfoList files = logsDir.entryInfoList({ "v*.log" }, QDir::Files); // could do sorting, but only by last modification time. we want to sort by creation time.
+    std::sort(files.begin(), files.end(), [](QFileInfo const &lhs, QFileInfo const &rhs) -> bool {
+        return lhs.birthTime() < rhs.birthTime();
+    });
+    return files.back().absoluteFilePath();
+}
+
+
+//****************************************************************************************************************************************************
+/// Return the maxSize last bytes of the latest bridge log.
+//****************************************************************************************************************************************************
+QByteArray tailOfLatestBridgeLog() {
+    QString path = latestBridgeLogPath();
+    if (path.isEmpty()) {
+        return QByteArray();
+    }
+
+    QFile file(path);
+    return file.open(QIODevice::Text | QIODevice::ReadOnly) ? file.readAll().right(Exception::attachmentMaxLength) : QByteArray();
+}
+
+
+} // namespace bridgepp

internal/frontend/bridge-gui/bridgepp/bridgepp/Log/LogUtils.h

@@ -0,0 +1,33 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Proton Mail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
+
+
+#ifndef BRIDGE_PP_LOG_UTILS_H
+#define BRIDGE_PP_LOG_UTILS_H
+
+
+namespace bridgepp {
+
+
+QString userLogsDir(); ///< Return the path of the user logs dir.
+QByteArray tailOfLatestBridgeLog(); ///< Return the last bytes of the last bridge log.
+
+
+} // namespace bridgepp
+
+
+#endif //BRIDGE_PP_LOG_UTILS_H