nymea/libnymea-core/devices/deviceclasscache.cpp

53 lines
1.8 KiB
C++

#include "deviceclasscache.h"
#include <QSettings>
#include <QStandardPaths>
#include <QDir>
#include <QJsonDocument>
#include <QJsonObject>
#include "loggingcategories.h"
PluginInfoCache::PluginInfoCache()
{
}
void PluginInfoCache::cachePluginInfo(const QJsonObject &metaData)
{
QString fileName = metaData.value("id").toString().remove(QRegExp("[{}]")) + ".cache";
QDir path = QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + "/plugininfo/";
if (!path.exists()) {
if (!path.mkpath(path.absolutePath())) {
qCWarning(dcDeviceManager()) << "Error creating device class cache dir at" << path.absolutePath();
}
}
QFile file(path.absoluteFilePath(fileName));
if (!file.open(QFile::WriteOnly | QFile::Truncate)) {
qCWarning(dcDeviceManager()) << "Error opening device class cache for writing at" << path.absoluteFilePath(fileName);
return;
}
file.write(QJsonDocument::fromVariant(metaData.toVariantMap()).toJson(QJsonDocument::Compact));
file.close();
}
QJsonObject PluginInfoCache::loadPluginInfo(const PluginId &pluginId)
{
QString fileName = pluginId.toString().remove(QRegExp("[{}]")) + ".cache";
QDir path = QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + "/plugininfo/";
QFile file(path.absoluteFilePath(fileName));
if (!file.open(QFile::ReadOnly)) {
return QJsonObject();
}
QByteArray data = file.readAll();
QJsonParseError error;
QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &error);
if (error.error != QJsonParseError::NoError) {
qCWarning(dcDeviceManager()) << "Error parsing plugin info cache entry:" << path.absoluteFilePath(fileName);
return QJsonObject();
}
return QJsonObject::fromVariantMap(jsonDoc.toVariant().toMap());
}