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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the E-Bike demo project.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <QCoreApplication>
+#include <QDir>
+#include <QFile>
+#include <QJsonDocument>
+
+#include "suggestionsmodel.h"
+
+#define EBIKE_DEMO_MODE
+
+static const char mostRecentFilename[] = "mostrecent.bson";
+
+SuggestionsModel::SuggestionsModel(QObject *parent)
+ : QAbstractListModel(parent)
+{
+ loadMostRecent();
+}
+
+SuggestionsModel::SuggestionsModel(const QJsonArray &suggestions, QObject *parent)
+ : QAbstractListModel(parent)
+ , m_suggestions(suggestions)
+{
+ loadMostRecent();
+}
+
+QVariant SuggestionsModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+ // Only horizontal header
+ if (orientation == Qt::Vertical)
+ return QVariant();
+
+ if (role == Qt::DisplayRole && section == 0)
+ return tr("Place");
+
+ return QAbstractListModel::headerData(section, orientation, role);
+}
+
+int SuggestionsModel::rowCount(const QModelIndex &parent) const
+{
+ Q_UNUSED(parent)
+ return m_suggestions.isEmpty() ? m_mostrecent.size() : m_suggestions.size();
+}
+
+QVariant SuggestionsModel::data(const QModelIndex &index, int role) const
+{
+ QJsonObject obj = get(index.row());
+ if (role == Qt::DisplayRole) {
+ return obj.value("place_name").toVariant();
+ } else if (role == PlaceNameRole) {
+ return obj.value("place_name").toVariant();
+ }
+
+ return QVariant();
+}
+
+QHash<int, QByteArray> SuggestionsModel::roleNames() const
+{
+ QHash<int, QByteArray> roles = QAbstractListModel::roleNames();
+ roles[PlaceNameRole] = "placename";
+ return roles;
+}
+
+const QJsonObject SuggestionsModel::get(int index) const
+{
+ return m_suggestions.isEmpty() ?
+ m_mostrecent[index].toObject() :
+ m_suggestions[index].toObject();
+}
+
+void SuggestionsModel::setSuggestions(const QJsonArray &suggestions)
+{
+ beginResetModel();
+ m_suggestions = suggestions;
+ endResetModel();
+ emit emptyChanged();
+}
+
+void SuggestionsModel::clear()
+{
+ beginResetModel();
+ m_suggestions = QJsonArray();
+ endResetModel();
+ emit emptyChanged();
+}
+
+void SuggestionsModel::addToMostRecent(const QJsonObject &place)
+{
+ Q_UNUSED(place)
+ // For the demo, do not add new most recent places
+#ifndef EBIKE_DEMO_MODE
+ if (!m_mostrecent.contains(place))
+ m_mostrecent.prepend(place);
+ if (m_mostrecent.size() > 3)
+ m_mostrecent.pop_back();
+ saveMostRecent();
+#endif
+}
+
+void SuggestionsModel::loadMostRecent()
+{
+ QDir dir(QCoreApplication::applicationDirPath());
+
+ // Load most recent places
+ QString mostRecentFilepath = dir.absoluteFilePath(mostRecentFilename);
+ QFile mostRecentFile(mostRecentFilepath);
+ if (mostRecentFile.open(QIODevice::ReadOnly)) {
+ QJsonDocument doc = QJsonDocument::fromBinaryData(mostRecentFile.readAll());
+ m_mostrecent = doc.array();
+ }
+}
+
+void SuggestionsModel::saveMostRecent() const
+{
+ QDir dir(QCoreApplication::applicationDirPath());
+
+ // Load most recent places
+ QString mostRecentFilepath = dir.absoluteFilePath(mostRecentFilename);
+ QFile mostRecentFile(mostRecentFilepath);
+ if (mostRecentFile.open(QIODevice::WriteOnly)) {
+ QJsonDocument doc(m_mostrecent);
+ mostRecentFile.write(doc.toBinaryData());
+ }
+}