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/****************************************************************************
* Copyright (c) 2024 Anthony Vital <anthony.vital@gmail.com> *
* *
* This file is part of Gmail Feed. *
* *
* Gmail Feed is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* Gmail Feed is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with Gmail Feed. If not, see <http://www.gnu.org/licenses/>. *
****************************************************************************/
#include "gxmlModel.h"
#include <QXmlStreamReader>
#include <QtConcurrent>
GxmlModel::GxmlModel(QObject *parent)
: QAbstractListModel(parent)
, m_status(Status::Null)
, m_fullcount(0)
{
connect(&m_watcher, &QFutureWatcher<Data>::finished, this, &GxmlModel::xmlParsed);
}
GxmlModel::~GxmlModel()
{
}
QHash<int, QByteArray> GxmlModel::roleNames() const
{
QHash<int, QByteArray> roles;
roles[AuthorRole] = "author";
roles[TitleRole] = "title";
roles[LinkRole] = "link";
return roles;
}
int GxmlModel::rowCount(const QModelIndex & parent) const
{
Q_UNUSED(parent)
return m_data.size();
}
QVariant GxmlModel::data(const QModelIndex & index, int role) const
{
if (!index.isValid()) {
return QVariant();
}
if (index.row() >= m_data.size() || index.row() < 0) {
return QVariant();
}
switch (role) {
case AuthorRole:
return m_data.at(index.row())["author"];
case TitleRole:
return m_data.at(index.row())["title"];
case LinkRole:
return m_data.at(index.row())["link"];
case IdRole:
return m_data.at(index.row())["id"];
default:
return QVariant();
}
}
void GxmlModel::setXml(QString xml)
{
if (m_status != Status::Ready) {
m_status = Status::Loading;
Q_EMIT(statusChanged());
}
QFuture<GMailData> future = QtConcurrent::run(&GxmlModel::parseXml, this, xml);
m_watcher.setFuture(future);
}
GMailData GxmlModel::parseXml(QString xml)
{
bool parsingMessage = false;
bool parsingAuthor = false;
int fullcount = -1;
QString title;
QString author;
QString link;
QString id;
QXmlStreamReader reader(xml.toUtf8());
if (reader.hasError()) {
m_errorString = reader.errorString();
m_status = Status::Error;
Q_EMIT(statusChanged());
return GMailData();
}
QList<QString> oldData;
Q_FOREACH(auto item, m_data) {
oldData.append(item["id"]);
}
int newMessagesCount = 0;
QMap<QString, QString> firstNewMessage;
Data newData;
while (!reader.atEnd()) {
if (reader.isStartElement()) {
if (reader.name() == QLatin1String("entry")) {
parsingMessage = true;
} else if (reader.name() == QLatin1String("fullcount")) {
fullcount = reader.readElementText().toInt();
} else if (parsingMessage && reader.name() == QLatin1String("author")) {
parsingAuthor = true;
} else if (parsingAuthor && reader.name() == QLatin1String("name")) {
author = reader.readElementText();
} else if (parsingMessage && reader.name() == QLatin1String("title")) {
title = reader.readElementText();
} else if (parsingMessage && reader.name() == QLatin1String("link")) {
link = reader.attributes().value("href").toString();
} else if (parsingMessage && reader.name() == QLatin1String("id")) {
id = reader.readElementText();
}
} else if (reader.isEndElement()) {
if (reader.name() == QLatin1String("name")) {
parsingAuthor = false;
} else if (reader.name() == QLatin1String("entry")) {
parsingMessage = false;
QMap<QString, QString> item;
item["author"] = author;
item["title"] = title;
item["link"] = link;
item["id"] = id;
newData.append(item);
if (!oldData.contains(id)) {
if (newMessagesCount == 0) {
firstNewMessage = item;
}
newMessagesCount++;
}
}
}
reader.readNext();
}
if (newMessagesCount == 1) {
Q_EMIT(newMessage(firstNewMessage["author"], firstNewMessage["title"]));
} else if (newMessagesCount > 1) {
Q_EMIT(newMessages(newMessagesCount));
}
m_xml = xml;
Q_EMIT(xmlChanged());
GMailData result;
result.data = newData;
result.fullCount = fullcount > -1 ? fullcount : newData.count();
result.isValid = true;
return result;
}
void GxmlModel::xmlParsed()
{
GMailData result = m_watcher.result();
if (result.isValid) {
beginResetModel();
m_data = result.data;
endResetModel();
Q_EMIT(countChanged());
m_fullcount = result.fullCount;
Q_EMIT(fullcountChanged());
if (m_status != Status::Error) {
m_status = Status::Ready;
Q_EMIT(statusChanged());
}
}
}
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