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main.cpp

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+#include <QCoreApplication>
+#include <QStandardPaths>
+#include <QDir>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+#include <iostream>
+
+#include "version2upgrader.h"
+#include "version3upgrader.h"
+
+#define SAVE_FILENAME "data.json"
+
+
+
+QString get_save_file_path() {
+    QString path = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
+    if (!QDir(path).exists()) {
+        QDir().mkpath(path);
+    }
+    path += "/data/";
+    if (!QDir(path).exists()) {
+        QDir().mkpath(path);
+    }
+    path += SAVE_FILENAME;
+    return path;
+}
+
+QJsonObject open_save() {
+    QFile* file = new QFile(get_save_file_path());
+    file->open(QIODevice::ReadOnly);
+    auto json = QString(file->readAll());
+    file->close();
+    delete file;
+    return QJsonDocument::fromJson(json.toUtf8()).object();
+}
+
+void save_to_file(QJsonObject save) {
+    QJsonDocument doc(save);
+    QFile *f = new QFile(get_save_file_path());
+    if (f->open(QIODevice::WriteOnly)) {
+        f->write(doc.toJson());
+        f->close();
+    }
+    delete f;
+}
+
+int main(int argc, char *argv[])
+{
+    std::cout << "Chronos Save Upgrader v2" << std::endl;
+    std::cout << "by Aurélie Delhaie - https://github.com/mojitaurelie/chronos-save-updater" << std::endl << std::endl;
+    QCoreApplication::setApplicationName("Chronos");
+    QJsonObject save = open_save();
+    switch (save["version"].toInt()) {
+        case 1: {
+            std::cout << "[INFO] Upgrading to version 2" << std::endl;
+            save = Version2Upgrader::Upgrade(save);
+            std::cout << "[INFO] Save upgraded to version 2" << std::endl;
+        }
+        case 2: {
+            std::cout << "[INFO] Upgrading to version 3" << std::endl;
+            save = Version3Upgrader::Upgrade(save);
+            std::cout << "[INFO] Save upgraded to version 3" << std::endl;
+        }
+    }
+    std::cout << "[INFO] Saving..." << std::endl;
+    save_to_file(save);
+    std::cout << "[INFO] Saved" << std::endl;
+    return 0;
+}