matrixion/src/AvatarProvider.cpp
2018-07-20 12:02:35 +03:00

74 lines
2.6 KiB
C++

/*
* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QBuffer>
#include <memory>
#include "AvatarProvider.h"
#include "Cache.h"
#include "Logging.h"
#include "MatrixClient.h"
namespace AvatarProvider {
void
resolve(const QString &room_id, const QString &user_id, QObject *receiver, AvatarCallback callback)
{
const auto key = QString("%1 %2").arg(room_id).arg(user_id);
const auto avatarUrl = Cache::avatarUrl(room_id, user_id);
if (!Cache::AvatarUrls.contains(key) || !cache::client())
return;
if (avatarUrl.isEmpty())
return;
auto data = cache::client()->image(avatarUrl);
if (!data.isNull()) {
callback(QImage::fromData(data));
return;
}
auto proxy = std::make_shared<AvatarProxy>();
QObject::connect(proxy.get(),
&AvatarProxy::avatarDownloaded,
receiver,
[callback](const QByteArray &data) { callback(QImage::fromData(data)); });
mtx::http::ThumbOpts opts;
opts.width = 256;
opts.height = 256;
opts.mxc_url = avatarUrl.toStdString();
http::client()->get_thumbnail(
opts,
[opts, proxy = std::move(proxy)](const std::string &res, mtx::http::RequestErr err) {
if (err) {
nhlog::net()->warn("failed to download avatar: {} - ({} {})",
opts.mxc_url,
mtx::errors::to_string(err->matrix_error.errcode),
err->matrix_error.error);
return;
}
cache::client()->saveImage(opts.mxc_url, res);
auto data = QByteArray(res.data(), res.size());
emit proxy->avatarDownloaded(data);
});
}
}