File indexing completed on 2024-04-14 15:52:22

 /**
  * SPDX-FileCopyrightText: 2019 Nicolas Fella <nicolas.fella@gmx.de>
  *
  * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
  */
 
 #include "locationcachemodel.h"
 
 #include <QDateTime>
 #include <QDebug>
 #include <QJsonDocument>
 #include <QJsonObject>
 #include <QStandardPaths>
 
 LocationCacheModel::LocationCacheModel(QObject *parent)
     : QAbstractListModel(parent)
     , m_locationCacheFile(QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + QStringLiteral("/locations.cache"))
     , m_cachedLocationsJson()
 {
     if (!m_locationCacheFile.open(QIODevice::ReadWrite)) {
         qWarning() << "Could not open location cache file" << m_locationCacheFile.fileName();
     }
 
     loadLocationsFromCache();
 }
 
 void LocationCacheModel::addCachedLocation(const KPublicTransport::Location location)
 {
     if (m_cachedLocations.contains(QVariant::fromValue(location))) {
         return;
     }
 
     m_cachedLocations.append(QVariant::fromValue(location));
     m_cachedLocationsJson.append(KPublicTransport::Location::toJson(location));
 
     QJsonObject obj;
     obj[QStringLiteral("version")] = 1;
     obj[QStringLiteral("locations")] = m_cachedLocationsJson;
 
     QJsonDocument doc(obj);
 
     m_locationCacheFile.resize(0);
     m_locationCacheFile.write(doc.toJson());
     m_locationCacheFile.flush();
 }
 
 void LocationCacheModel::loadLocationsFromCache()
 {
     m_cachedLocationsJson = QJsonDocument::fromJson(m_locationCacheFile.readAll()).object()[QStringLiteral("locations")].toArray();
 
     for (const QJsonValue &val : qAsConst(m_cachedLocationsJson)) {
         m_cachedLocations.append(QVariant::fromValue(KPublicTransport::Location::fromJson(val.toObject())));
     }
 }
 
 QVariant LocationCacheModel::data(const QModelIndex &index, int role) const
 {
     Q_ASSERT(index.row() >= 0);
     Q_ASSERT(index.row() <= m_cachedLocations.count());
 
     if (role == Qt::UserRole + 1) {
         return m_cachedLocations[index.row()];
     }
 
     return QStringLiteral("deadbeef");
 }
 
 int LocationCacheModel::rowCount(const QModelIndex &parent) const
 {
     Q_UNUSED(parent);
     return m_cachedLocations.count();
 }
 
 QHash<int, QByteArray> LocationCacheModel::roleNames() const
 {
     QHash<int, QByteArray> roles;
     roles.insert((Qt::UserRole + 1), "location");
     return roles;
 }