First version

src/services/savemanager.cpp

@@ -0,0 +1,99 @@
+#include "savemanager.h"
+
+SaveManager::SaveManager()
+{
+    openSave();
+}
+
+SaveManager::~SaveManager()
+{
+    flushSave();
+}
+
+void SaveManager::flushSave()
+{
+    QJsonArray json_notes;
+
+    foreach (Note *n, notes)
+    {
+        json_notes.append(n->toJson());
+    }
+
+    QJsonObject obj
+    {
+        {"notes", json_notes},
+    };
+
+    QJsonDocument doc(obj);
+    QFile *f = new QFile(getSaveFilePath());
+    if (f->open(QIODevice::WriteOnly))
+    {
+        f->write(doc.toJson());
+        f->close();
+    }
+    delete f;
+}
+
+QVector<Note *> SaveManager::getNotes()
+{
+    return notes;
+}
+
+void SaveManager::addNote(Note *n)
+{
+    this->notes.append(n);
+    flushSave();
+}
+
+bool SaveManager::removeNoteByIndex(int i)
+{
+    if ((i < 0) || (i >= this->notes.length()))
+    {
+        return false;
+    }
+    Note *n = this->notes[i];
+    this->notes.removeAt(i);
+    delete n;
+    flushSave();
+    return true;
+}
+
+Note *SaveManager::getNoteByIndex(int i)
+{
+    if ((i < 0) || (i >= this->notes.length()))
+    {
+        return nullptr;
+    }
+    return this->notes[i];
+}
+
+QString SaveManager::getSaveFilePath() {
+    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 QDir::cleanPath(path);
+}
+
+void SaveManager::openSave() {
+    QFile* file = new QFile(getSaveFilePath());
+    file->open(QIODevice::ReadOnly);
+    auto json = QString(file->readAll());
+    file->close();
+    delete file;
+
+    QJsonObject obj = QJsonDocument::fromJson(json.toUtf8()).object();
+    QJsonArray arr = obj["notes"].toArray();
+    for (int i = 0; i < arr.size(); i++)
+    {
+        this->notes.append(Note::fromJson(arr[i].toObject()));
+    }
+}

src/services/savemanager.h

@@ -0,0 +1,35 @@
+#ifndef SAVEMANAGER_H
+#define SAVEMANAGER_H
+
+#define SAVE_FILENAME "data.json"
+
+#include <QStandardPaths>
+#include <QDir>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QVector>
+
+#include "../models/note.h"
+
+class SaveManager
+{
+public:
+    SaveManager();
+    ~SaveManager();
+
+    void flushSave();
+
+    QVector<Note*> getNotes();
+
+    void addNote(Note *n);
+    bool removeNoteByIndex(int i);
+    Note *getNoteByIndex(int i);
+private:
+    QString getSaveFilePath();
+    void openSave();
+
+    QVector<Note*> notes;
+};
+
+#endif // SAVEMANAGER_H