Moved emptyDirectory() into dbcorelib

CMakeLists.txt

@@ -9,4 +9,4 @@ set(SOURCES
 
 add_executable(picsync ${HEADERS} ${SOURCES})
 
-target_link_libraries(picsync Qt5::Core)
+target_link_libraries(picsync Qt5::Core dbcorelib)

main.cpp

@@ -11,11 +11,12 @@
 #include <QJsonDocument>
 #include <QCommandLineParser>
 #include <QCommandLineOption>
-#include <QDirIterator>
 #include <QStringBuilder>
 #include <QUuid>
 #include <QtGlobal>
 
+#include "utils/fileutils.h"
+
 bool writeBitmap(const QString &filename, const QByteArray &content)
 {
     qDebug() << "writeBitmap" << filename;
@@ -131,45 +132,6 @@ bool readBitmap(const QString &filename, QByteArray &content)
     return true;
 }
 
-bool emptyDirectory(const QString &path)
-{
-    QDir dir(path);
-
-    if(!dir.exists())
-    {
-        qWarning() << "tried to empty non-existant dir" << path;
-        return true;
-    }
-
-    bool success = true;
-    // not empty -- we must empty it first
-    QDirIterator di(dir.absolutePath(), QDir::AllEntries | QDir::Hidden | QDir::System | QDir::NoDotAndDotDot);
-    while (di.hasNext()) {
-        di.next();
-        const QFileInfo& fi = di.fileInfo();
-        const QString &filePath = di.filePath();
-        bool ok;
-        if (fi.isDir() && !fi.isSymLink()) {
-            ok = QDir(filePath).removeRecursively(); // recursive
-        } else {
-            ok = QFile::remove(filePath);
-            if (!ok) { // Read-only files prevent directory deletion on Windows, retry with Write permission.
-                const QFile::Permissions permissions = QFile::permissions(filePath);
-                if (!(permissions & QFile::WriteUser))
-                    ok = QFile::setPermissions(filePath, permissions | QFile::WriteUser)
-                        && QFile::remove(filePath);
-            }
-        }
-        if (!ok)
-            success = false;
-    }
-
-    if(!success)
-        qWarning() << "could not empty" << path;
-
-    return success;
-}
-
 bool spread(const QString &sourcePath, const QString &targetPath)
 {
     qDebug() << "spread" << sourcePath << targetPath;