exam_timer_teacher/appevent.cpp

#include "appevent.h"
#include "qdir.h"

#include <QDateTime>
#include <QFile>
#include <QJsonDocument>
#include <QJsonObject>
static AppEvent *g_instance = nullptr;

class AppEventPrivate
{
public:
    AppEventPrivate() {}
    QJsonObject jsonConfig;

    QString examRoom;
    QString examNumber;
};

AppEvent::AppEvent(QObject *parent)
    : QObject{parent}
    , d(new AppEventPrivate)
{
    d->jsonConfig.insert("serverIP", "Any");
    d->jsonConfig.insert("serverPort", 8080);
    d->jsonConfig.insert("webSocketIP", "Any");
    d->jsonConfig.insert("webSocketPort", 8081);
    d->jsonConfig.insert("answerDir", QDir().absolutePath());
}

AppEvent::~AppEvent()
{
    delete d;
}

AppEvent *AppEvent::instance()
{
    if (!g_instance) {
        g_instance = new AppEvent();
    }
    return g_instance;
}

qint64 AppEvent::time()
{
    QDateTime currentDateTime = QDateTime::currentDateTime();
    qint64 timestamp = currentDateTime.toSecsSinceEpoch();
    timestamp /= 1000; // 转换为10位时间戳
    return timestamp;
}

void AppEvent::setExam(const QString &examRoom, const QString &examNumber)
{
    d->examNumber = examNumber;
    d->examRoom = examRoom;
}
QString AppEvent::examRoom() const
{
    return d->examRoom;
}
QString AppEvent::examNumber() const
{
    return d->examNumber;
}
bool AppEvent::setConfigValue(const QString &key, const QVariant &value)
{
    if (d->jsonConfig.contains(key)) {
        d->jsonConfig[key] = value.toJsonValue();
    } else {
        d->jsonConfig.insert(key, value.toJsonValue());
    }
    return true;
}

QVariant AppEvent::configValue(const QString &key)
{
    return d->jsonConfig.value(key).toVariant();
}

bool AppEvent::configLoadJson(const QJsonObject &object)
{
    for (auto it = object.constBegin(); it != object.constEnd(); ++it) {
        const QString key = it.key();
        if (d->jsonConfig.contains(key)) {
            d->jsonConfig[key] = object[key];
        } else {
            d->jsonConfig.insert(key, object[key]);
        }
    }
    return true;
}
bool AppEvent::configLoad()
{
    QFile file("config.json");
    QByteArray data;
    if (file.open(QFile::ReadOnly | QFile::Text)) {
        data = file.readAll();
        file.close();
    }
    QJsonParseError jsonError;
    QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &jsonError);
    if (jsonError.error != QJsonParseError::NoError) {
        return false;
    }
    const QJsonObject object = jsonDoc.object();
    for (auto it = object.constBegin(); it != object.constEnd(); ++it) {
        const QString key = it.key();
        if (d->jsonConfig.contains(key)) {
            d->jsonConfig[key] = object[key];
        } else {
            d->jsonConfig.insert(key, object[key]);
        }
    }
    return true;
}
bool AppEvent::configSave()
{
    QJsonDocument jsonDoc(d->jsonConfig);
    QString jsonString = jsonDoc.toJson(QJsonDocument::Compact);

    QFile file("config.json");
    QByteArray data;
    if (file.open(QFile::WriteOnly | QFile::Text)) {
        file.write(jsonString.toUtf8());
        file.close();
    }
    return true;
}

QJsonObject AppEvent::config() const
{
    return d->jsonConfig;
}

void AppEvent::loginUser(qint64 id)
{
    emit loginUserSignal(id);
}

void AppEvent::loginOutUser(qint64 id)
{
    emit loginOutUserSignal(id);
}

void AppEvent::examsTestUpdate()
{
    emit examsTestUpdateSignal();
}

void AppEvent::webSocketUpdata()
{
    emit webSocketUpdataSignal();
}