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SCRATCH things and stuff, related to grou saving

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This commit is contained in:
Petr Mrázek 2018-07-23 00:49:26 +02:00
parent 12f2716f31
commit 7b439c85c0
9 changed files with 77 additions and 46 deletions
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30
api/logic/FolderInstanceProvider.cpp
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@ -48,6 +48,7 @@ FolderInstanceProvider::FolderInstanceProvider(SettingsObjectPtr settings, const
QList< InstanceId > FolderInstanceProvider::discoverInstances()
{
qDebug() << "Discovering instances in" << m_instDir;
QList<InstanceId> out;
QDirIterator iter(m_instDir, QDir::Dirs | QDir::NoDot | QDir::NoDotDot | QDir::Readable | QDir::Hidden, QDirIterator::FollowSymlinks);
while (iter.hasNext())
@ -71,6 +72,8 @@ QList< InstanceId > FolderInstanceProvider::discoverInstances()
out.append(id);
qDebug() << "Found instance ID" << id;
}
instanceSet = out.toSet();
m_instancesProbed = true;
return out;
}
@ -115,6 +118,12 @@ InstancePtr FolderInstanceProvider::loadInstance(const InstanceId& id)
void FolderInstanceProvider::saveGroupList()
{
qDebug() << "Will save group list now.";
if(!m_instancesProbed)
{
qDebug() << "Group saving prevented because we don't know the full list of instances yet.";
return;
}
WatchLock foo(m_watcher, m_instDir);
QString groupFileName = m_instDir + "/instgroups.json";
QMap<QString, QSet<QString>> reverseGroupMap;
@ -124,6 +133,11 @@ void FolderInstanceProvider::saveGroupList()
QString group = iter.value();
if (group.isEmpty())
continue;
if(!instanceSet.contains(id))
{
qDebug() << "Skipping saving missing instance" << id << "to groups list.";
continue;
}
if (!reverseGroupMap.count(group))
{
@ -159,6 +173,7 @@ void FolderInstanceProvider::saveGroupList()
try
{
FS::write(groupFileName, doc.toJson());
qDebug() << "Group list saved.";
}
catch (const FS::FileSystemException &e)
{
@ -168,6 +183,7 @@ void FolderInstanceProvider::saveGroupList()
void FolderInstanceProvider::loadGroupList()
{
qDebug() << "Will load group list now.";
QSet<QString> groupSet;
QString groupFileName = m_instDir + "/instgroups.json";
@ -262,6 +278,7 @@ void FolderInstanceProvider::loadGroupList()
}
m_groupsLoaded = true;
emit groupsChanged(groupSet);
qDebug() << "Group list loaded.";
}
void FolderInstanceProvider::groupChanged()
@ -309,6 +326,7 @@ static void clamp(T& current, T min, T max)
}
}
namespace {
// List of numbers from min to max. Next is exponent times bigger than previous.
class ExponentialSeries
{
@ -335,12 +353,8 @@ public:
unsigned m_max;
unsigned m_exponent;
};
}
/*
* WHY: the whole reason why this uses an exponential backoff retry scheme is antivirus on Windows.
* Basically, it starts messing things up while MultiMC is extracting/creating instances
* and causes that horrible failure that is NTFS to lock files in place because they are open.
*/
class FolderInstanceStaging : public Task
{
Q_OBJECT
@ -405,6 +419,11 @@ private slots:
}
private:
/*
* WHY: the whole reason why this uses an exponential backoff retry scheme is antivirus on Windows.
* Basically, it starts messing things up while MultiMC is extracting/creating instances
* and causes that horrible failure that is NTFS to lock files in place because they are open.
*/
ExponentialSeries backoff;
QString m_stagingPath;
FolderInstanceProvider * m_parent;
@ -449,6 +468,7 @@ bool FolderInstanceProvider::commitStagedInstance(const QString& path, const QSt
return false;
}
groupMap[instID] = groupName;
instanceSet.insert(instID);
emit groupsChanged({groupName});
emit instancesChanged();
}