arc/database/dao/SettingsDAO.cpp

#include "SettingsDAO.h"

#include <QSqlQuery>
#include <QSqlError>
#include <QDebug>

#include "DatabaseManager.h"

QString SettingsDAO::get(const QString &key, const QString &defaultValue) {
    QSqlQuery query(DatabaseManager::instance().database());
    query.prepare("SELECT value FROM settings WHERE key = :key LIMIT 1");
    query.bindValue(":key", key);
    if (!query.exec()) {
        qWarning() << "SettingsDAO::get error:" << query.lastError().text();
        return defaultValue;
    }
    if (query.next()) {
        return query.value(0).toString();
    }
    return defaultValue;
}

void SettingsDAO::set(const QString &key, const QString &value) {
    QSqlQuery query(DatabaseManager::instance().database());
    query.prepare(R"(
        INSERT INTO settings (key, value) VALUES (:key, :value)
        ON CONFLICT(key) DO UPDATE SET value = excluded.value
    )");
    query.bindValue(":key", key);
    query.bindValue(":value", value);
    if (!query.exec()) {
        qWarning() << "SettingsDAO::set error:" << query.lastError().text();
    }
}

void SettingsDAO::remove(const QString &key) {
    QSqlQuery query(DatabaseManager::instance().database());
    query.prepare("DELETE FROM settings WHERE key = :key");
    query.bindValue(":key", key);
    if (!query.exec()) {
        qWarning() << "SettingsDAO::remove error:" << query.lastError().text();
    }
}

qint64 SettingsDAO::getLong(const QString &key, qint64 defaultValue) {
    const QString val = get(key);
    if (val.isEmpty()) return defaultValue;
    bool ok;
    const qint64 result = val.toLongLong(&ok);
    return ok ? result : defaultValue;
}

void SettingsDAO::setLong(const QString &key, qint64 value) {
    set(key, QString::number(value));
}