void AppModel::handleGeoNetworkData(QObject *replyObj)
{
QNetworkReply *networkReply = qobject_cast<QNetworkReply*>(replyObj);
if (!networkReply) {
hadError(false); // should retry?
return;
}
if (!networkReply->error()) {
d->nErrors = 0;
if (!d->throttle.isValid())
d->throttle.start();
d->minMsBeforeNewRequest = d->baseMsBeforeNewRequest;
//convert coordinates to city name
QJsonDocument document = QJsonDocument::fromJson(networkReply->readAll());
QJsonObject jo = document.object();
QJsonValue jv = jo.value(QStringLiteral("name"));
const QString city = jv.toString();
qCDebug(requestsLog) << "got city: " << city;
if (city != d->city) {
d->city = city;
emit cityChanged();
refreshWeather();
}
} else {
hadError(true);
}
networkReply->deleteLater();
}
//! [0]
AppModel::AppModel(QObject *parent) :
QObject(parent),
d(new AppModelPrivate)
{
//! [0]
d->fcProp = new QQmlListProperty<WeatherData>(this, d,
forecastAppend,
forecastCount,
forecastAt,
forecastClear);
d->geoReplyMapper = new QSignalMapper(this);
d->weatherReplyMapper = new QSignalMapper(this);
d->forecastReplyMapper = new QSignalMapper(this);
connect(d->geoReplyMapper, SIGNAL(mapped(QObject*)),
this, SLOT(handleGeoNetworkData(QObject*)));
connect(d->weatherReplyMapper, SIGNAL(mapped(QObject*)),
this, SLOT(handleWeatherNetworkData(QObject*)));
connect(d->forecastReplyMapper, SIGNAL(mapped(QObject*)),
this, SLOT(handleForecastNetworkData(QObject*)));
connect(&d->delayedCityRequestTimer, SIGNAL(timeout()),
this, SLOT(queryCity()));
connect(&d->requestNewWeatherTimer, SIGNAL(timeout()),
this, SLOT(refreshWeather()));
d->requestNewWeatherTimer.start();
//! [1]
// make sure we have an active network session
d->nam = new QNetworkAccessManager(this);
QNetworkConfigurationManager ncm;
d->ns = new QNetworkSession(ncm.defaultConfiguration(), this);
connect(d->ns, SIGNAL(opened()), this, SLOT(networkSessionOpened()));
// the session may be already open. if it is, run the slot directly
if (d->ns->isOpen())
this->networkSessionOpened();
// tell the system we want network
d->ns->open();
}
void AppModel::handleGeoNetworkData(QObject *replyObj)
{
QNetworkReply *networkReply = qobject_cast<QNetworkReply*>(replyObj);
if (!networkReply)
return;
if (!networkReply->error()) {
//convert coordinates to city name
QJsonDocument document = QJsonDocument::fromJson(networkReply->readAll());
QJsonObject jo = document.object();
QJsonValue jv = jo.value(QStringLiteral("name"));
const QString city = jv.toString();
if (city != d->city) {
if (!d->throttle.isValid())
d->throttle.start();
d->city = city;
emit cityChanged();
refreshWeather();
}
}
networkReply->deleteLater();
}
void AppModel::setCity(const QString &value)
{
d->city = value;
emit cityChanged();
refreshWeather();
}
