starting cloud save

sources/configurationmanager.cpp

@@ -0,0 +1,51 @@
+#include "configurationmanager.h"
+
+ConfigurationManager::ConfigurationManager()
+{
+    if (QFile::exists(GetPath())) {
+        QFile* file = new QFile(GetPath());
+        file->open(QIODevice::ReadOnly);
+        auto json = QString(file->readAll());
+        file->close();
+        delete file;
+
+        QJsonObject obj = QJsonDocument::fromJson(json.toUtf8()).object();
+        this->s = Settings::FromJSON(obj);
+    } else {
+        this->s = new Settings();
+        Save();
+    }
+}
+
+ConfigurationManager::~ConfigurationManager()
+{
+    delete s;
+}
+
+Settings *ConfigurationManager::GetConfiguration()
+{
+    return s;
+}
+
+QString ConfigurationManager::GetPath() {
+    QString path = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
+    if (!QDir(path).exists()) {
+        QDir().mkpath(path);
+    }
+    path += "/";
+    if (!QDir(path).exists()) {
+        QDir().mkpath(path);
+    }
+    path += FILENAME;
+    return path;
+}
+
+void ConfigurationManager::Save() {
+    QJsonDocument doc(s->ToJSON());
+    QFile *f = new QFile(GetPath());
+    if (f->open(QIODevice::WriteOnly)) {
+        f->write(doc.toJson());
+        f->close();
+    }
+    delete f;
+}