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#include "updateregistry.h"
#include <stdexcept>
#include <QLoggingCategory>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QDateTime>
#include <QBuffer>
#include <QTimer>
#include <QDebug>
#include "remotefilefetcher.h"
Q_LOGGING_CATEGORY(CATEGORY_UPDATES, "UPD")
using namespace Flipper;
UpdateRegistry::UpdateRegistry(const QString &directoryUrl, QObject *parent):
QAbstractListModel(parent),
m_directoryUrl(directoryUrl),
m_checkTimer(new QTimer(this)),
m_state(State::Unknown)
{
connect(this, &UpdateRegistry::stateChanged, this, &UpdateRegistry::latestVersionChanged);
connect(m_checkTimer, &QTimer::timeout, this, &UpdateRegistry::check);
check();
}
void UpdateRegistry::setDirectoryUrl(const QString &directoryUrl)
{
m_directoryUrl = directoryUrl;
check();
}
void UpdateRegistry::fillFromJson(const QByteArray &text)
{
beginRemoveRows(QModelIndex(), 0, m_channels.size() - 1);
m_channels.clear();
endRemoveRows();
const auto doc = QJsonDocument::fromJson(text);
if(doc.isNull()) {
qCCritical(CATEGORY_UPDATES) << "Failed to parse the document";
return;
} else if(!doc.isObject()) {
qCCritical(CATEGORY_UPDATES) << "Json document is not an object";
return;
}
const auto &obj = doc.object();
if(!obj.contains("channels")) {
qCCritical(CATEGORY_UPDATES) << "No channels data in json file";
return;
} else if(!obj["channels"].isArray()) {
qCCritical(CATEGORY_UPDATES) << "Expected to get an array of channels";
return;
}
const auto &arr = obj["channels"].toArray();
try {
for(const auto &val : arr) {
const Updates::ChannelInfo info(val);
beginInsertRows(QModelIndex(), m_channels.size(), m_channels.size());
m_channels.insert(info.name(), info);
endInsertRows();
}
} catch(std::runtime_error &e) {
qCCritical(CATEGORY_UPDATES) << "Failed to parse update information:" << e.what();
}
}
const QStringList UpdateRegistry::channelNames() const
{
auto names = m_channels.keys();
// Move Development channel to the bottom of the list
if(names.first().startsWith(QStringLiteral("dev"))) {
names.move(0, names.size() - 1);
}
return names;
}
UpdateRegistry::State UpdateRegistry::state() const
{
return m_state;
}
const Updates::VersionInfo UpdateRegistry::latestVersion() const
{
return channel(updateChannel()).latestVersion();
}
const Updates::ChannelInfo UpdateRegistry::channel(const QString &channelName) const
{
return m_channels.value(channelName);
}
int UpdateRegistry::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent)
return m_channels.size();
}
QVariant UpdateRegistry::data(const QModelIndex &index, int role) const
{
const auto row = index.row();
if(row >= m_channels.size()) {
qCDebug(CATEGORY_UPDATES) << "Invalid row index:" << row;
return QVariant();
}
const auto key = channelNames()[row];
const auto &channel = m_channels[key];
switch(role) {
case NameRole:
return channel.name();
case TitleRole:
return channel.title();
case DescriptionRole:
return channel.description();
default:
return QVariant();
}
}
QHash<int, QByteArray> UpdateRegistry::roleNames() const
{
return {
{ NameRole, QByteArrayLiteral("name") },
{ TitleRole, QByteArrayLiteral("title") },
{ DescriptionRole, QByteArrayLiteral("description") }
};
}
void UpdateRegistry::check()
{
if(m_directoryUrl.isEmpty()) {
setState(State::ErrorOccured);
return;
}
setState(State::Checking);
auto *fetcher = new RemoteFileFetcher(this);
auto *buf = new QBuffer(this);
fetcher->connect(fetcher, &RemoteFileFetcher::finished, this, [=]() {
if(fetcher->isError()) {
qCCritical(CATEGORY_UPDATES).noquote() << "Failed to fetch update information:" << fetcher->errorString();
setState(State::ErrorOccured);
} else {
qCDebug(CATEGORY_UPDATES).noquote() << "Fetched update information from" << m_directoryUrl;
buf->open(QIODevice::ReadOnly);
fillFromJson(buf->readAll());
setState(m_channels.isEmpty() ? State::ErrorOccured : State::Ready);
}
fetcher->deleteLater();
buf->deleteLater();
});
if(!fetcher->fetch(m_directoryUrl, buf)) {
qCCritical(CATEGORY_UPDATES).noquote() << "Failed to fetch update information:" << fetcher->errorString();
setState(State::ErrorOccured);
buf->deleteLater();
}
m_checkTimer->start(std::chrono::minutes(10));
}
void UpdateRegistry::setState(State newState)
{
if(m_state == newState) {
return;
}
m_state = newState;
emit stateChanged();
}
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