nextcloud-desktop/src/gui/quotainfo.cpp
Olivier Goffart a127debc54 Quota: handle special negative value for the quota #3940
Don't show a progress bar if there is an unkown or unlimited total
2015-10-29 14:33:29 +01:00

114 lines
3.3 KiB
C++

/*
* Copyright (C) by Daniel Molkentin <danimo@owncloud.com>
*
* 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; version 2 of the License.
*
* 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.
*/
#include "quotainfo.h"
#include "account.h"
#include "accountstate.h"
#include "networkjobs.h"
#include "creds/abstractcredentials.h"
#include <QTimer>
#include <QDebug>
namespace OCC {
namespace {
static const int defaultIntervalT = 30*1000;
static const int failIntervalT = 5*1000;
}
QuotaInfo::QuotaInfo(AccountState *accountState, QObject *parent)
: QObject(parent)
, _accountState(accountState)
, _lastQuotaTotalBytes(0)
, _lastQuotaUsedBytes(0)
, _active(false)
{
connect(accountState, SIGNAL(stateChanged(int)),
SLOT(slotAccountStateChanged()));
connect(&_jobRestartTimer, SIGNAL(timeout()), SLOT(slotCheckQuota()));
_jobRestartTimer.setSingleShot(true);
}
void QuotaInfo::setActive(bool active)
{
_active = active;
slotAccountStateChanged();
}
void QuotaInfo::slotAccountStateChanged()
{
if (canGetQuota()) {
auto elapsed = _lastQuotaRecieved.msecsTo(QDateTime::currentDateTime());
if (_lastQuotaRecieved.isNull() || elapsed >= defaultIntervalT) {
slotCheckQuota();
} else {
_jobRestartTimer.start(defaultIntervalT - elapsed);
}
} else {
_jobRestartTimer.stop();
}
}
void QuotaInfo::slotRequestFailed()
{
_lastQuotaTotalBytes = 0;
_lastQuotaUsedBytes = 0;
_jobRestartTimer.start(failIntervalT);
}
bool QuotaInfo::canGetQuota() const
{
if (! _accountState || !_active) {
return false;
}
AccountPtr account = _accountState->account();
return _accountState->isConnected()
&& account->credentials()
&& account->credentials()->ready();
}
void QuotaInfo::slotCheckQuota()
{
if (! canGetQuota()) {
return;
}
if (_job) {
// The previous job was not finished? Then we cancel it!
_job->deleteLater();
}
AccountPtr account = _accountState->account();
_job = new PropfindJob(account, "/", this);
_job->setProperties(QList<QByteArray>() << "quota-available-bytes" << "quota-used-bytes");
connect(_job, SIGNAL(result(QVariantMap)), SLOT(slotUpdateLastQuota(QVariantMap)));
connect(_job, SIGNAL(networkError(QNetworkReply*)), SLOT(slotRequestFailed()));
_job->start();
}
void QuotaInfo::slotUpdateLastQuota(const QVariantMap &result)
{
// The server can return fractional bytes (#1374)
// <d:quota-available-bytes>1374532061.2</d:quota-available-bytes>
qint64 avail = result["quota-available-bytes"].toDouble();
_lastQuotaUsedBytes = result["quota-used-bytes"].toDouble();
// negative value of the available quota have special meaning (#3940)
_lastQuotaTotalBytes = avail >= 0 ? _lastQuotaUsedBytes + avail : avail;
emit quotaUpdated(_lastQuotaTotalBytes, _lastQuotaUsedBytes);
_jobRestartTimer.start(defaultIntervalT);
_lastQuotaRecieved = QDateTime::currentDateTime();
}
}