Scripting module

CMakeLists.txt

@@ -17,7 +17,7 @@ if(SANITIZE_ADDRESS_LEAK)
     set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fsanitize=address -fsanitize=leak")
 endif(SANITIZE_ADDRESS_LEAK)
 
-find_package(Qt6 COMPONENTS Widgets Sql OpenGLWidgets REQUIRED)
+find_package(Qt6 COMPONENTS Widgets Sql OpenGLWidgets Qml REQUIRED)
 find_library(GSL_LIB gsl REQUIRED)
 find_library(GSLCBLAS_LIB gslcblas REQUIRED)
 find_library(EXIF_LIB exif REQUIRED)
@@ -29,6 +29,7 @@ add_subdirectory(libXISF)
 
 set(TENMON_SRC
     about.cpp about.h
+    batchprocessing.cpp batchprocessing.h batchprocessing.ui
     database.cpp database.h
     databaseview.cpp databaseview.h
     delete.cpp
@@ -44,6 +45,7 @@ set(TENMON_SRC
     markedfiles.cpp markedfiles.h
     rawimage.cpp rawimage.h
     rawimage_sse.cpp
+    scriptengine.cpp scriptengine.h
     settingsdialog.cpp settingsdialog.h
     starfit.cpp starfit.h
     statusbar.cpp statusbar.h
@@ -67,11 +69,12 @@ elseif(APPLE)
     set_source_files_properties(${tenmon_ICON} PROPERTIES MACOSX_PACKAGE_LOCATION "Resources")
 else()
     set(tenmon_ICON "")
+    find_package(Qt6 COMPONENTS DBus REQUIRED)
     find_package(PkgConfig REQUIRED)
     pkg_search_module(GIO REQUIRED gio-2.0)
 endif()
 
-add_executable(tenmon WIN32 MACOSX_BUNDLE ${tenmon_ICON} ${TENMON_SRC})
+qt_add_executable(tenmon WIN32 MACOSX_BUNDLE ${tenmon_ICON} ${TENMON_SRC})
 
 find_path(FITS_INCLUDE fitsio2.h PATH_SUFFIXES cfitsio REQUIRED)
 target_include_directories(tenmon PRIVATE ${FITS_INCLUDE} ${CMAKE_BINARY_DIR} ${libXISF_SOURCE_DIR})
@@ -80,16 +83,16 @@ if(UNIX AND NOT APPLE)
     target_include_directories(tenmon PRIVATE ${GIO_INCLUDE_DIRS})
 endif()
 
-target_link_libraries(tenmon Qt6::Widgets Qt6::Sql Qt6::OpenGLWidgets ${GSL_LIB} ${GSLCBLAS_LIB} ${EXIF_LIB} ${FITS_LIB} ${RAW_LIB} ${WCS_LIB} XISF)
+target_link_libraries(tenmon PRIVATE Qt6::Widgets Qt6::Sql Qt6::OpenGLWidgets Qt6::Qml ${GSL_LIB} ${GSLCBLAS_LIB} ${EXIF_LIB} ${FITS_LIB} ${RAW_LIB} ${WCS_LIB} XISF)
 if(APPLE)
-    target_link_libraries(tenmon "-framework CoreFoundation")
-else()
-    target_link_libraries(tenmon ${GIO_LDFLAGS})
+    target_link_libraries(tenmon PRIVATE "-framework CoreFoundation")
+elseif(UNIX)
+    target_link_libraries(tenmon PRIVATE Qt6::DBus ${GIO_LDFLAGS})
 endif(APPLE)
 
 if(LIBRAW_STATIC)
     add_compile_definitions("LIBRAW_NODLL")
-    target_link_libraries(tenmon jasper)
+    target_link_libraries(tenmon PRIVATE jasper)
 endif()
 
 install(TARGETS tenmon BUNDLE DESTINATION .)

batchprocessing.cpp

@@ -0,0 +1,208 @@
+#include "batchprocessing.h"
+#include "ui_batchprocessing.h"
+#include <QDir>
+#include <QFileDialog>
+#include <QStandardPaths>
+#include <QProcess>
+#include <QSettings>
+#include "scriptengine.h"
+
+#ifdef Q_OS_LINUX
+#include <QCloseEvent>
+#include <QDBusConnection>
+#include <QDBusMessage>
+#include <QMessageBox>
+#endif
+
+void scanDirectory(const QString &path, QStringList &files)
+{
+    QFileInfo info(path);
+    if(info.isDir())
+    {
+        QDir dir(path);
+        QStringList entries = dir.entryList(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
+        for(QString &entry : entries)
+            scanDirectory(dir.absoluteFilePath(entry), files);
+    }
+    else if(info.isFile())
+    {
+        files.append(path);
+    }
+}
+
+QStringList scanDirectories(const QStringList &paths)
+{
+    QStringList files;
+
+    for(const QString &path : paths)
+        scanDirectory(path, files);
+
+    return files;
+}
+
+void BatchProcessing::scanScriptDir()
+{
+    _ui->scriptsList->clear();
+    QDir dir(_scriptBasePath);
+    for(const QString &script : dir.entryList(QDir::Files | QDir::Readable))
+    {
+        _ui->scriptsList->addItem(script);
+    }
+}
+
+BatchProcessing::BatchProcessing(QWidget *parent) : QDialog(parent)
+{
+    _ui = new Ui::BatchProcessing;
+    _ui->setupUi(this);
+
+    QStringList scriptsPath = QStandardPaths::standardLocations(QStandardPaths::AppDataLocation);
+    if(scriptsPath.size())
+    {
+        QDir dir(scriptsPath.first());
+        if(!dir.exists("scripts"))
+        {
+            if(!dir.mkpath("scripts"))
+                qWarning() << "Failed to create scripts directory";
+        }
+        dir.cd("scripts");
+
+        _scriptBasePath = dir.absolutePath() + "/";
+        scanScriptDir();
+        _fileWatcher.addPath(_scriptBasePath);
+        connect(&_fileWatcher, &QFileSystemWatcher::directoryChanged, this, &BatchProcessing::scanScriptDir);
+    }
+    else
+    {
+        qWarning() << "Failed to get app data location";
+    }
+
+    connect(_ui->addFilesButton, &QPushButton::released, this, &BatchProcessing::addFiles);
+    connect(_ui->addDirButton, &QPushButton::released, this, &BatchProcessing::addDir);
+    connect(_ui->removeButton, &QPushButton::released, this, &BatchProcessing::removePath);
+    connect(_ui->removeAllButton, &QPushButton::released, this, &BatchProcessing::removeAllPaths);
+    connect(_ui->startButton, &QPushButton::released, this, &BatchProcessing::runScript);
+    connect(_ui->stopButton, &QPushButton::released, this, &BatchProcessing::stopScript);
+    connect(_ui->browseButton, &QPushButton::released, this, &BatchProcessing::browse);
+    connect(_ui->openScriptsButton, &QPushButton::released, this, &BatchProcessing::openScriptDir);
+
+    QSettings settings;
+    _ui->outputPath->setText(settings.value("batchprocessing/outputpath", QStandardPaths::standardLocations(QStandardPaths::PicturesLocation).first()).toString());
+}
+
+BatchProcessing::~BatchProcessing()
+{
+    delete _engineThread;
+    QSettings settings;
+    settings.setValue("batchprocessing/outputpath", _ui->outputPath->text());
+    delete _ui;
+}
+
+void BatchProcessing::closeEvent(QCloseEvent *event)
+{
+    if(_engineThread)
+    {
+        QMessageBox::StandardButton ret = QMessageBox::question(this, tr("Interrupt running script?"), tr("Interrupt running script?"));
+        if(ret == QMessageBox::StandardButton::Yes)
+        {
+            _engineThread->interrupt();
+            event->accept();
+        }
+        else
+        {
+            event->ignore();
+        }
+    }
+    else
+    {
+        event->accept();
+    }
+}
+
+void BatchProcessing::addFiles()
+{
+    QStringList files = QFileDialog::getOpenFileNames(this, tr("Select files"), "/home/nou/Obrázky/astro");
+    _ui->pathsList->addItems(files);
+}
+
+void BatchProcessing::addDir()
+{
+    QString dir = QFileDialog::getExistingDirectory(this, tr("Select directory"), "/home/nou/Obrázky/astro");
+    if(!dir.isEmpty())
+        _ui->pathsList->addItem(dir);
+}
+
+void BatchProcessing::removePath()
+{
+    for(auto &item : _ui->pathsList->selectedItems())
+        delete item;
+}
+
+void BatchProcessing::removeAllPaths()
+{
+    _ui->pathsList->clear();
+}
+
+void BatchProcessing::browse()
+{
+    QString output = QFileDialog::getExistingDirectory(this, tr("Select output directory"), "/home/nou/Obrázky");
+    if(!output.isEmpty())
+        _ui->outputPath->setText(output);
+}
+
+void BatchProcessing::openScriptDir()
+{
+#ifdef Q_OS_LINUX
+    QDBusConnection con = QDBusConnection::sessionBus();
+    QDBusMessage message = QDBusMessage::createMethodCall("org.freedesktop.FileManager1", "/org/freedesktop/FileManager1", "org.freedesktop.FileManager1", "ShowFolders");
+    QList<QVariant> args = {QStringList(QUrl::fromLocalFile(_scriptBasePath).toString()), QString()};
+    message.setArguments(args);
+    con.call(message);
+#endif
+#ifdef Q_OS_WINDOWS
+    QProcess::startDetached("explorer.exe", {QDir::toNativeSeparators(_scriptBasePath)});
+#endif
+}
+
+void BatchProcessing::runScript()
+{
+    _ui->log->clear();
+    auto selectedItems = _ui->scriptsList->selectedItems();
+    if(selectedItems.size())
+    {
+        _engineThread = new Script::ScriptEngineThread(this);
+        connect(_engineThread, &Script::ScriptEngineThread::newMessage, _ui->log, &QTextEdit::append);
+        connect(_engineThread, &Script::ScriptEngineThread::finished, this, &BatchProcessing::scriptFinished);
+        QStringList paths;
+        for(int i=0; i<_ui->pathsList->count(); i++)
+             paths.append(_ui->pathsList->item(i)->text());
+
+        QFileInfo outDir(_ui->outputPath->text());
+        if(outDir.exists() && outDir.isWritable())
+        {
+            _engineThread->setParams(_scriptBasePath + selectedItems.first()->text(), scanDirectories(paths), _ui->outputPath->text());
+            _engineThread->start();
+            _ui->startButton->setEnabled(false);
+            _ui->stopButton->setEnabled(true);
+        }
+        else
+        {
+            QMessageBox::warning(this, tr("Invalid output directory"), tr("Output directory path doesn't exist or is not writable"));
+        }
+    }
+}
+
+void BatchProcessing::stopScript()
+{
+    qDebug() << "Stop script";
+    if(_engineThread)
+        _engineThread->interrupt();
+}
+
+void BatchProcessing::scriptFinished()
+{
+    _ui->startButton->setEnabled(true);
+    _ui->stopButton->setEnabled(false);
+    qDebug() << "script finished";
+    delete _engineThread;
+    _engineThread = nullptr;
+}

batchprocessing.h

@@ -0,0 +1,36 @@
+#ifndef BATCHPROCESSING_H
+#define BATCHPROCESSING_H
+
+#include <QDialog>
+#include <QFileSystemWatcher>
+#include "scriptengine.h"
+
+namespace Ui { class BatchProcessing; }
+
+class BatchProcessing : public QDialog
+{
+    Ui::BatchProcessing *_ui;
+    QString _scriptBasePath;
+    QFileSystemWatcher _fileWatcher;
+    Script::ScriptEngineThread *_engineThread = nullptr;
+private slots:
+    void scanScriptDir();
+public:
+    explicit BatchProcessing(QWidget *parent = nullptr);
+    ~BatchProcessing();
+protected:
+    void closeEvent(QCloseEvent *event);
+public slots:
+    void scriptDirChanged();
+    void addFiles();
+    void addDir();
+    void removePath();
+    void removeAllPaths();
+    void browse();
+    void openScriptDir();
+    void runScript();
+    void stopScript();
+    void scriptFinished();
+};
+
+#endif // BATCHPROCESSING_H

batchprocessing.ui

@@ -0,0 +1,226 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>BatchProcessing</class>
+ <widget class="QDialog" name="BatchProcessing">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>1024</width>
+    <height>768</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Batch Processing</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout_2">
+   <item>
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <widget class="QLabel" name="label_2">
+       <property name="text">
+        <string>Input files and directories</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QListWidget" name="pathsList">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+         <horstretch>0</horstretch>
+         <verstretch>1</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="selectionMode">
+        <enum>QAbstractItemView::MultiSelection</enum>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout">
+       <item>
+        <widget class="QPushButton" name="addFilesButton">
+         <property name="text">
+          <string>Add files</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="addDirButton">
+         <property name="text">
+          <string>Add directories</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="removeButton">
+         <property name="text">
+          <string>Remove</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="removeAllButton">
+         <property name="text">
+          <string>Remove all</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <item>
+      <widget class="QLabel" name="label">
+       <property name="text">
+        <string>Output directory</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLineEdit" name="outputPath">
+       <property name="readOnly">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="browseButton">
+       <property name="text">
+        <string>Browse</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_3">
+     <item>
+      <widget class="QLabel" name="label_4">
+       <property name="text">
+        <string>Scripts</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="openScriptsButton">
+       <property name="text">
+        <string>Open scripts</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QListWidget" name="scriptsList">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+       <horstretch>0</horstretch>
+       <verstretch>1</verstretch>
+      </sizepolicy>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLabel" name="label_3">
+     <property name="text">
+      <string>Log</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QTextEdit" name="log">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+       <horstretch>0</horstretch>
+       <verstretch>4</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="font">
+      <font>
+       <family>FreeMono</family>
+      </font>
+     </property>
+     <property name="readOnly">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_4">
+     <item>
+      <spacer name="horizontalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="startButton">
+       <property name="text">
+        <string>Start script</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="stopButton">
+       <property name="enabled">
+        <bool>false</bool>
+       </property>
+       <property name="text">
+        <string>Stop script</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="closeButton">
+       <property name="text">
+        <string>Close</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>closeButton</sender>
+   <signal>released()</signal>
+   <receiver>BatchProcessing</receiver>
+   <slot>close()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>973</x>
+     <y>745</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>511</x>
+     <y>383</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

database.cpp

@@ -10,12 +10,12 @@ Database::Database(QObject *parent) : QObject(parent)
 {
 }
 
-bool Database::init()
+bool Database::init(const QLatin1String &connectionName)
 {
     QString path = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
     QDir dir(path);
 
-    QSqlDatabase m_database = QSqlDatabase::addDatabase("QSQLITE");
+    QSqlDatabase m_database = QSqlDatabase::addDatabase("QSQLITE", connectionName);
 
     if(!dir.mkpath("."))
         return false;

database.h

@@ -24,7 +24,7 @@ class Database : public QObject
     int m_progress;
 public:
     explicit Database(QObject *parent = 0);
-    bool init();
+    bool init(const QLatin1String &connectionName = QLatin1String(QSqlDatabase::defaultConnection));
     bool mark(const QString &filename);
     bool unmark(const QString &filename);
     bool mark(const QStringList &filenames);

mainwindow.cpp

@@ -25,6 +25,7 @@
 #include "statusbar.h"
 #include "settingsdialog.h"
 #include "histogram.h"
+#include "batchprocessing.h"
 
 #ifdef __linux__
 #include <sys/ioctl.h>
@@ -151,6 +152,11 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     fileMenu->addAction(tr("Index directory"), this, SLOT(indexDir()));
     fileMenu->addAction(tr("Reindex files"), this, SLOT(reindex()));
     fileMenu->addAction(tr("Export database to CSV"), this, &MainWindow::exportCSV);
+    fileMenu->addAction(tr("Batch processing"), [this](){
+        BatchProcessing *batchProcessing = new BatchProcessing(this);
+        batchProcessing->exec();
+        delete batchProcessing;
+    }, Qt::Key_B | Qt::CTRL);
     fileMenu->addSeparator();
     QAction *liveModeAction = fileMenu->addAction(tr("Live mode"), this, SLOT(liveMode(bool)));
     liveModeAction->setCheckable(true);

scriptengine.cpp

@@ -0,0 +1,224 @@
+#include "scriptengine.h"
+#include <QDir>
+#include <QFileInfo>
+#include <QDebug>
+#include "loadrunable.h"
+
+namespace Script
+{
+
+ScriptEngine::ScriptEngine(QObject *parent) : QObject(parent)
+  , _jsEngine(new QJSEngine(this))
+  , _database(new Database(this))
+{
+    QJSValue engine = _jsEngine->newQObject(this);
+    _jsEngine->globalObject().setProperty("engine", engine);
+    _database->init(QLatin1String("scriptengine"));
+}
+
+void ScriptEngine::setParams(const QString &scriptPath, const QStringList &paths, const QString &outputDir)
+{
+    _scriptPath = scriptPath;
+    _paths = paths;
+    _outputDir = outputDir;
+}
+
+void ScriptEngine::reportError(const QString &message)
+{
+    _jsEngine->throwError(message);
+}
+
+const QString &ScriptEngine::outputDir() const
+{
+    return _outputDir;
+}
+
+void ScriptEngine::interrupt()
+{
+    _jsEngine->setInterrupted(true);
+}
+
+void ScriptEngine::log(const QString &message)
+{
+    emit newMessage(message);
+}
+
+void ScriptEngine::mark(File *file)
+{
+    _database->mark(file->absoluteFilePath());
+}
+
+void ScriptEngine::unmark(File *file)
+{
+    _database->unmark(file->absoluteFilePath());
+}
+
+bool ScriptEngine::isMarked(const File *file) const
+{
+    return _database->isMarked(file->absoluteFilePath());
+}
+
+void ScriptEngine::run()
+{
+    QJSValue jsPaths = _jsEngine->newArray(_paths.size());
+    for(qsizetype i=0; i<_paths.size(); i++)
+        jsPaths.setProperty(i, _jsEngine->newQObject(new File(_paths[i], this)));
+
+    _jsEngine->globalObject().setProperty("files", jsPaths);
+
+    QFile scriptFile(_scriptPath);
+    if(!scriptFile.open(QIODevice::ReadOnly))
+        return;
+
+    QTextStream stream(&scriptFile);
+    QString contents = stream.readAll();
+    scriptFile.close();
+    QJSValue result = _jsEngine->evaluate(contents, _scriptPath);
+    qDebug() << result.isError() << result.toString();
+    if(result.isError())
+    {
+        QString error = result.property("name").toString() + " on line " + result.property("lineNumber").toString() + " : " + result.toString();
+        error += "\n" + result.property("stack").toString();
+        emit newMessage(error);
+    }
+
+    emit finished();
+}
+
+void File::loadFitsKeywords()
+{
+    if(!_fitsKeywordsLoaded)
+    {
+        _fitsKeywordsLoaded = true;
+        ImageInfoData info;
+        if(suffix() == "xisf")
+        {
+            readXISFHeader(_path, info);
+        }
+        else if(suffix() == "fits")
+        {
+            readFITSHeader(_path, info);
+        }
+        else return;
+
+        for(const FITSRecord &record : info.fitsHeader)
+        {
+            _fitsKeywords[record.key] = record.value.toString();
+        }
+    }
+}
+
+File::File(const QString &path, Script::ScriptEngine *engine) :
+    _engine(engine),
+    _path(path),
+    _info(path)
+{
+}
+
+QString File::fileName() const
+{
+    return _info.fileName();
+}
+
+QString File::absoluteFilePath() const
+{
+    return _info.absoluteFilePath();
+}
+
+QString File::absolutePath() const
+{
+    return _info.absolutePath();
+}
+
+QString File::baseName() const
+{
+    return _info.baseName();
+}
+
+QString File::completeBaseName() const
+{
+    return _info.completeBaseName();
+}
+
+QString File::suffix() const
+{
+    return _info.suffix();
+}
+
+qint64 File::size() const
+{
+    return _info.size();
+}
+
+QStringList File::fitsKeywords()
+{
+    QThread::msleep(500);
+    loadFitsKeywords();
+    return _fitsKeywords.keys();
+}
+
+QString File::fitsValue(const QString &key)
+{
+    loadFitsKeywords();
+    if(_fitsKeywords.contains(key))
+        return _fitsKeywords[key];
+    else
+        return QString();
+}
+
+bool File::isMarked() const
+{
+    return _engine->isMarked(this);
+}
+
+bool File::copy(const QString &newpath) const
+{
+    return QFile::copy(_path, _engine->outputDir() + newpath);
+}
+
+bool File::move(const QString &newpath) const
+{
+    return QFile::rename(_path, _engine->outputDir() + newpath);
+}
+
+bool File::convertTo(const QString &format)
+{
+    _engine->reportError("Not implemented");
+    return false;
+}
+
+ScriptEngineThread::ScriptEngineThread(QObject *parent) : QObject(parent)
+{
+    _thread = new QThread();
+    _thread->setObjectName("ScriptEngine");
+    _engine = new ScriptEngine;
+    _engine->moveToThread(_thread);
+    connect(_engine, &ScriptEngine::finished, _thread, &QThread::quit);
+    connect(_engine, &ScriptEngine::newMessage, this, &ScriptEngineThread::newMessage);
+    connect(_thread, &QThread::started, _engine, &ScriptEngine::run);
+    connect(_thread, &QThread::finished, _engine, &ScriptEngine::deleteLater);
+    connect(_thread, &QThread::finished, _thread, &QThread::deleteLater);
+    connect(_thread, &QThread::finished, this, &ScriptEngineThread::finished);
+}
+
+ScriptEngineThread::~ScriptEngineThread()
+{
+    if(_engine)_engine->interrupt();
+}
+
+void ScriptEngineThread::setParams(const QString &scriptPath, const QStringList &paths, const QString &outputDir)
+{
+    _engine->setParams(scriptPath, paths, outputDir);
+}
+
+void ScriptEngineThread::start()
+{
+    _thread->start();
+}
+
+void ScriptEngineThread::interrupt()
+{
+    if(_engine)_engine->interrupt();
+}
+
+}

scriptengine.h

@@ -0,0 +1,84 @@
+#ifndef SCRIPTENGINE_H
+#define SCRIPTENGINE_H
+
+#include <QObject>
+#include <QJSEngine>
+#include <QFileInfo>
+#include <QThread>
+#include "database.h"
+
+namespace Script
+{
+
+class File;
+
+class ScriptEngine : public QObject
+{
+    Q_OBJECT
+    QJSEngine *_jsEngine;
+    Database *_database;
+    QString _scriptPath;
+    QString _outputDir;
+    QStringList _paths;
+public:
+    explicit ScriptEngine(QObject *parent = nullptr);
+    void setParams(const QString &scriptPath, const QStringList &paths, const QString &outputDir);
+    void reportError(const QString &message);
+    const QString& outputDir() const;
+    void interrupt();
+    Q_INVOKABLE void log(const QString &message);
+    Q_INVOKABLE void mark(File *file);
+    Q_INVOKABLE void unmark(File *file);
+    Q_INVOKABLE bool isMarked(const File *file) const;
+public slots:
+    void run();
+signals:
+    void newMessage(const QString &message);
+    void finished();
+};
+
+class ScriptEngineThread : public QObject
+{
+    Q_OBJECT
+    QThread *_thread;
+    ScriptEngine *_engine;
+public:
+    ScriptEngineThread(QObject *parent = nullptr);
+    ~ScriptEngineThread();
+    void setParams(const QString &scriptPath, const QStringList &paths, const QString &outputDir);
+    void start();
+    void interrupt();
+signals:
+    void newMessage(const QString &message);
+    void finished();
+};
+
+class File : public QObject
+{
+    Q_OBJECT
+    ScriptEngine *_engine;
+    QString _path;
+    QFileInfo _info;
+    bool _fitsKeywordsLoaded = false;
+    QMap<QString, QString> _fitsKeywords;
+    void loadFitsKeywords();
+public:
+    explicit File(const QString &path, ScriptEngine *engine);
+    Q_INVOKABLE QString fileName() const;
+    Q_INVOKABLE QString absoluteFilePath() const;
+    Q_INVOKABLE QString absolutePath() const;
+    Q_INVOKABLE QString baseName() const;
+    Q_INVOKABLE QString completeBaseName() const;
+    Q_INVOKABLE QString suffix() const;
+    Q_INVOKABLE qint64 size() const;
+    Q_INVOKABLE QStringList fitsKeywords();
+    Q_INVOKABLE QString fitsValue(const QString &key);
+    Q_INVOKABLE bool isMarked() const;
+    Q_INVOKABLE bool copy(const QString &newpath) const;
+    Q_INVOKABLE bool move(const QString &newpath) const;
+    Q_INVOKABLE bool convertTo(const QString &format);
+};
+
+}
+
+#endif // SCRIPTENGINE_H