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#include "notifications/Manager.h"
#include "Cache.h"
#include "EventAccessors.h"
#include "Logging.h"
#include "MatrixClient.h"
#include "Utils.h"
#include <QFile>
#include <QImage>
#include <QStandardPaths>
#include <mtxclient/crypto/client.hpp>
QString
NotificationsManager::cacheImage(const mtx::events::collections::TimelineEvents &event)
{
const auto url = mtx::accessors::url(event);
auto encryptionInfo = mtx::accessors::file(event);
auto filename = QString::fromStdString(mtx::accessors::body(event));
QString path{QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + "/" +
filename};
http::client()->download(
url,
[path, url, encryptionInfo](const std::string &data,
const std::string &,
const std::string &,
mtx::http::RequestErr err) {
if (err) {
nhlog::net()->warn("failed to retrieve image {}: {} {}",
url,
err->matrix_error.error,
static_cast<int>(err->status_code));
return;
}
try {
auto temp = data;
if (encryptionInfo)
temp = mtx::crypto::to_string(
mtx::crypto::decrypt_file(temp, encryptionInfo.value()));
QFile file{path};
if (!file.open(QIODevice::WriteOnly))
return;
// delete any existing file content
file.resize(0);
file.write(QByteArray(temp.data(), (int)temp.size()));
// resize the image (really inefficient, I know, but I can't find any
// better way right off
QImage img{path};
// delete existing contents
file.resize(0);
// make sure to save as PNG (because Plasma doesn't do JPEG in
// notifications)
// if (!file.fileName().endsWith(".png"))
// file.rename(file.fileName() + ".png");
img.scaled(200, 100, Qt::KeepAspectRatio, Qt::SmoothTransformation)
.save(&file);
file.close();
return;
} catch (const std::exception &e) {
nhlog::ui()->warn("Error while caching file to: {}", e.what());
}
});
return path.toHtmlEscaped();
}
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