#13360: Integrate project version restore tool into GUI

ApplicationLibCode/Application/Tools/RiaProjectBackupTools.cpp

@@ -20,6 +20,10 @@
 #include "RiaLogging.h"
 
 #include <QDateTime>
+#include <QDir>
+#include <QFile>
+#include <QFileInfo>
+#include <QTextStream>
 #include <QVariant>
 #include <QtSql/QSqlDatabase>
 #include <QtSql/QSqlError>
@@ -137,4 +141,96 @@ bool appendTextToDatabase( const QString& databaseFilePath, int maximumRecordCou
     return true;
 }
 
+//--------------------------------------------------------------------------------------------------
+/// Restore all previous revisions of a project file stored in the backup database to the destination folder.
+/// Each revision is written to a separate file named by its timestamp.
+//--------------------------------------------------------------------------------------------------
+bool extractVersionsToFolder( const QString& databaseFilePath, const QString& destinationFolder, int* numberOfFilesWritten, QString* errorMessage )
+{
+    if ( numberOfFilesWritten ) *numberOfFilesWritten = 0;
+
+    auto setError = [errorMessage]( const QString& message )
+    {
+        if ( errorMessage ) *errorMessage = message;
+        RiaLogging::error( message.toStdString() );
+    };
+
+    if ( !QFile::exists( databaseFilePath ) )
+    {
+        setError( "Backup database file does not exist: " + databaseFilePath );
+        return false;
+    }
+
+    QDir dir;
+    if ( !dir.mkpath( destinationFolder ) )
+    {
+        setError( "Not able to create destination folder: " + destinationFolder );
+        return false;
+    }
+
+    const QString databaseType = "QSQLITE";
+    if ( !QSqlDatabase::isDriverAvailable( databaseType ) )
+    {
+        setError( "sqlite database driver is not available." );
+        return false;
+    }
+
+    // Use a dedicated named connection to avoid interfering with the default connection used when writing backups.
+    const QString connectionName = "RiaProjectBackupToolsRestoreConnection";
+
+    bool success = true;
+    {
+        QSqlDatabase db = QSqlDatabase::addDatabase( databaseType, connectionName );
+        db.setDatabaseName( databaseFilePath );
+
+        if ( !db.open() )
+        {
+            setError( "Error opening backup database: " + db.lastError().text() );
+            QSqlDatabase::removeDatabase( connectionName );
+            return false;
+        }
+
+        QSqlQuery query( db );
+        query.prepare( "SELECT timestamp, content FROM file_versions ORDER BY timestamp ASC" );
+        if ( !query.exec() )
+        {
+            setError( "Error retrieving content from backup database: " + query.lastError().text() );
+            success = false;
+        }
+        else
+        {
+            const QString dateFormat = "yyyy-MM-dd_hh-mm-ss";
+            int           fileCount  = 0;
+
+            while ( query.next() )
+            {
+                QDateTime timestamp      = query.value( 0 ).toDateTime();
+                QString   projectContent = query.value( 1 ).toString();
+
+                QString filename = destinationFolder + "/" + timestamp.toString( dateFormat ) + ".rsp";
+                QFile   file( filename );
+                if ( !file.open( QIODevice::WriteOnly | QIODevice::Text ) )
+                {
+                    setError( "Error opening file for writing: " + filename );
+                    success = false;
+                    break;
+                }
+
+                QTextStream out( &file );
+                out << projectContent;
+                file.close();
+
+                fileCount++;
+            }
+
+            if ( numberOfFilesWritten ) *numberOfFilesWritten = fileCount;
+        }
+
+        db.close();
+    }
+    QSqlDatabase::removeDatabase( connectionName );
+
+    return success;
+}
+
 } // namespace RiaProjectBackupTools

ApplicationLibCode/Application/Tools/RiaProjectBackupTools.h

@@ -26,4 +26,9 @@
 namespace RiaProjectBackupTools
 {
 bool appendTextToDatabase( const QString& databaseFilePath, int maximumRecordCount, const QString& content );
+
+bool extractVersionsToFolder( const QString& databaseFilePath,
+                              const QString& destinationFolder,
+                              int*           numberOfFilesWritten = nullptr,
+                              QString*       errorMessage         = nullptr );
 } // namespace RiaProjectBackupTools

ApplicationLibCode/Commands/ApplicationCommands/CMakeLists_files.cmake

@@ -19,6 +19,8 @@ set(SOURCE_GROUP_SOURCE_FILES
     ${CMAKE_CURRENT_LIST_DIR}/RicOpenInTextEditorFeature.cpp
     ${CMAKE_CURRENT_LIST_DIR}/RicShowMemoryReportFeature.cpp
     ${CMAKE_CURRENT_LIST_DIR}/RicSumoDataFeature.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/RicRestoreProjectVersionsUi.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/RicRestoreProjectVersionsFeature.cpp
 )
 
 list(APPEND COMMAND_CODE_SOURCE_FILES ${SOURCE_GROUP_SOURCE_FILES})

ApplicationLibCode/Commands/ApplicationCommands/RicRestoreProjectVersionsFeature.cpp

@@ -0,0 +1,104 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2026-     Equinor ASA
+//
+//  ResInsight 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.
+//
+//  ResInsight 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 at <http://www.gnu.org/licenses/gpl.html>
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#include "RicRestoreProjectVersionsFeature.h"
+#include "RicRestoreProjectVersionsUi.h"
+
+#include "RiaApplication.h"
+#include "RiaProjectBackupTools.h"
+
+#include "RimProject.h"
+
+#include "RiuMainWindow.h"
+#include "RiuMessageDialog.h"
+#include "RiuRecentFileActionProvider.h"
+
+#include "cafPdmUiPropertyViewDialog.h"
+
+#include <QAction>
+#include <QFile>
+#include <QFileInfo>
+#include <QIcon>
+#include <QMessageBox>
+
+CAF_CMD_SOURCE_INIT( RicRestoreProjectVersionsFeature, "RicRestoreProjectVersionsFeature" );
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RicRestoreProjectVersionsFeature::onActionTriggered( bool isChecked )
+{
+    RicRestoreProjectVersionsUi featureUi;
+
+    RimProject* project = RiaApplication::instance()->project();
+
+    QString projectFileName = ( project ) ? project->fileName() : QString();
+    if ( projectFileName.isEmpty() )
+    {
+        projectFileName = RiuRecentFileActionProvider::lastUsedProjectFileName();
+    }
+
+    if ( !projectFileName.isEmpty() )
+    {
+        featureUi.setProjectFile( projectFileName );
+        featureUi.setExportFolder( QFileInfo( projectFileName ).absolutePath() );
+    }
+
+    caf::PdmUiPropertyViewDialog propertyDialog( RiuMainWindow::instance(),
+                                                 &featureUi,
+                                                 "Restore Previous Project Versions",
+                                                 "",
+                                                 QDialogButtonBox::Ok | QDialogButtonBox::Cancel );
+    propertyDialog.resize( QSize( 560, 260 ) );
+
+    if ( propertyDialog.exec() != QDialog::Accepted ) return;
+
+    QString projectFile  = featureUi.projectFile();
+    QString exportFolder = featureUi.exportFolder();
+    if ( projectFile.isEmpty() || exportFolder.isEmpty() ) return;
+
+    QString databaseFilePath = projectFile + "db";
+    if ( !QFile::exists( databaseFilePath ) )
+    {
+        RiuMessageDialog::showError( RiuMainWindow::instance(),
+                                     "Restore Previous Project Versions",
+                                     "No backup database was found for the selected project file.\n\n" + databaseFilePath );
+        return;
+    }
+
+    int     numberOfFilesWritten = 0;
+    QString errorMessage;
+    if ( !RiaProjectBackupTools::extractVersionsToFolder( databaseFilePath, exportFolder, &numberOfFilesWritten, &errorMessage ) )
+    {
+        RiuMessageDialog::showError( RiuMainWindow::instance(), "Restore Previous Project Versions", errorMessage );
+        return;
+    }
+
+    QMessageBox::information( RiuMainWindow::instance(),
+                              "Restore Previous Project Versions",
+                              QString( "Restored %1 project version(s) to:\n%2" ).arg( numberOfFilesWritten ).arg( exportFolder ) );
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RicRestoreProjectVersionsFeature::setupActionLook( QAction* actionToSetup )
+{
+    actionToSetup->setText( "Restore Previous Project Versions..." );
+    actionToSetup->setIcon( QIcon( ":/OpenFolder.svg" ) );
+}

ApplicationLibCode/Commands/ApplicationCommands/RicRestoreProjectVersionsFeature.h

@@ -0,0 +1,33 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2026-     Equinor ASA
+//
+//  ResInsight 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.
+//
+//  ResInsight 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 at <http://www.gnu.org/licenses/gpl.html>
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#include "cafCmdFeature.h"
+
+//==================================================================================================
+///
+//==================================================================================================
+class RicRestoreProjectVersionsFeature : public caf::CmdFeature
+{
+    CAF_CMD_HEADER_INIT;
+
+protected:
+    void onActionTriggered( bool isChecked ) override;
+    void setupActionLook( QAction* actionToSetup ) override;
+};