Add calculating stats with script

batchprocessing.cpp

@@ -1,5 +1,6 @@
 #include "batchprocessing.h"
 #include "ui_batchprocessing.h"
+#include <functional>
 #include <QDir>
 #include <QFileDialog>
 #include <QStandardPaths>
@@ -16,28 +17,30 @@
 #include <QMessageBox>
 #endif
 
-void scanDirectory(const QString &path, QStringList &files)
+QStringList scanDirectories(const QStringList &paths)
+{
+    QStringList files;
+    QStringList scannedDirs;
+
+    std::function<void(const QString &path)> scanDirectory = [&](const QString &path)
     {
         QFileInfo info(path);
-    if(info.isDir())
+        if(info.isDir() && !scannedDirs.contains(info.canonicalPath()))
         {
+            scannedDirs.append(info.canonicalPath());
             QDir dir(path);
             QStringList entries = dir.entryList(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
             for(QString &entry : entries)
-            scanDirectory(dir.absoluteFilePath(entry), files);
+                scanDirectory(dir.absoluteFilePath(entry));
         }
         else if(info.isFile())
         {
             files.append(path);
         }
-}
+    };
-
-QStringList scanDirectories(const QStringList &paths)
-{
-    QStringList files;
 
     for(const QString &path : paths)
-        scanDirectory(path, files);
+        scanDirectory(path);
 
     return files;
 }
@@ -205,7 +208,7 @@ void BatchProcessing::scriptFinished()
     _ui->startButton->setEnabled(true);
     _ui->stopButton->setEnabled(false);
     qDebug() << "script finished";
-    delete _engineThread;
+    _engineThread->deleteLater();
     _engineThread = nullptr;
 }
 

mainwindow.cpp

@@ -154,11 +154,11 @@ 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](){
+    fileMenu->addAction(tr("Batch processing"), [this](){
         BatchProcessing *batchProcessing = new BatchProcessing(this);
         batchProcessing->exec();
         delete batchProcessing;
-    }, Qt::Key_B | Qt::CTRL);*/
+    }, Qt::Key_B | Qt::CTRL);
     fileMenu->addSeparator();
     QAction *liveModeAction = fileMenu->addAction(tr("Live mode"), this, SLOT(liveMode(bool)));
     liveModeAction->setCheckable(true);

scriptengine.cpp

@@ -3,6 +3,7 @@
 #include <QFileInfo>
 #include <QDebug>
 #include "loadrunable.h"
+#include "rawimage.h"
 
 namespace Script
 {
@@ -63,6 +64,11 @@ bool ScriptEngine::isMarked(const File *file) const
     return _database->isMarked(file->absoluteFilePath());
 }
 
+QJSValue ScriptEngine::newObject()
+{
+    return _jsEngine->newObject();
+}
+
 void ScriptEngine::run()
 {
     QJSValue jsPaths = _jsEngine->newArray(_paths.size());
@@ -73,7 +79,11 @@ void ScriptEngine::run()
 
     QFile scriptFile(_scriptPath);
     if(!scriptFile.open(QIODevice::ReadOnly))
+    {
+        emit newMessage("Failed to open " + _scriptPath, true);
+        emit finished();
         return;
+    }
 
     QTextStream stream(&scriptFile);
     QString contents = stream.readAll();
@@ -226,6 +236,26 @@ bool File::convertTo(const QString &format)
     return false;
 }
 
+QJSValue File::stats()
+{
+    if(_stats.isUndefined())
+    {
+        ImageInfoData info;
+        std::shared_ptr<RawImage> rawImage;
+        loadImage(_path, info, rawImage);
+        rawImage->calcStats();
+        RawImage::Stats stats = rawImage->imageStats();
+        _stats = _engine->newObject();
+        _stats.setProperty("mean", stats.m_mean[0]);
+        _stats.setProperty("stddev", stats.m_stdDev[0]);
+        _stats.setProperty("median", stats.m_median[0]);
+        _stats.setProperty("min", stats.m_min[0]);
+        _stats.setProperty("max", stats.m_max[0]);
+        _stats.setProperty("mad", stats.m_mean[0]);
+    }
+    return _stats;
+}
+
 ScriptEngineThread::ScriptEngineThread(QObject *parent) : QObject(parent)
 {
     _thread = new QThread();
@@ -236,6 +266,7 @@ ScriptEngineThread::ScriptEngineThread(QObject *parent) : QObject(parent)
     connect(_engine, &ScriptEngine::newMessage, this, &ScriptEngineThread::newMessage);
     connect(_thread, &QThread::started, _engine, &ScriptEngine::run);
     connect(_thread, &QThread::finished, _engine, &ScriptEngine::deleteLater);
+    connect(_engine, &ScriptEngine::destroyed, [this](){ _engine = nullptr; });
     connect(_thread, &QThread::finished, _thread, &QThread::deleteLater);
     connect(_thread, &QThread::finished, this, &ScriptEngineThread::finished);
 }

scriptengine.h

@@ -31,6 +31,7 @@ public:
     Q_INVOKABLE void mark(File *file);
     Q_INVOKABLE void unmark(File *file);
     Q_INVOKABLE bool isMarked(const File *file) const;
+    QJSValue newObject();
 public slots:
     void run();
 signals:
@@ -64,6 +65,7 @@ class File : public QObject
     QMap<QString, QString> _fitsKeywords;
     void loadFitsKeywords();
     bool mkpath(const QString &path) const;
+    QJSValue _stats;
 public:
     explicit File(const QString &path, ScriptEngine *engine);
     Q_INVOKABLE QString fileName() const;
@@ -79,6 +81,7 @@ public:
     Q_INVOKABLE bool copy(const QString &newpath) const;
     Q_INVOKABLE bool move(const QString &newpath) const;
     Q_INVOKABLE bool convertTo(const QString &format);
+    Q_INVOKABLE QJSValue stats();
 };
 
 }