quickmod/FuseMounter/archivemanager.cpp

#include "archivemanager.h"
#include "database.h"

#include <QDir>

ArchiveManager::ArchiveManager(Database *db, const QString &modsdir, int profileId, QObject *parent)
    : QObject{parent},
    m_database{db},
    m_modsdir{modsdir},
    m_profileId{profileId}
{
    reloadArchives();

    connect( &m_cacheTimer, &QTimer::timeout, this, &ArchiveManager::cleanCache );
    m_cacheTimer.setInterval(60000);
    m_cacheTimer.start();
    //QObject::connect( m_database, &Database::databaseModified, this, &ArchiveManager::reloadArchives );
}

int ArchiveManager::reloadArchives()
{
    qDebug() << "ArchiveManager::reloadArchives()";
    QHash< ModLibrary *, Archive * > archives;
    const QList<ModLibrary *> &entries = m_database->archiveList(m_profileId);
    for( ModLibrary *lib : entries )
    {
        Archive *arc = new Archive(lib->m_filename);
        //Archive *arc = new Archive(m_modsdir + QDir::separator() + lib->m_filename);
        archives.insert(lib, arc);
    }

    // Release old:
    const QList< ModLibrary * > &libs = m_archives.keys();
    for( ModLibrary *lib : libs ) {
        Archive *arc = m_archives[lib];
        arc->killme();
        lib->deleteLater();
    }
    m_archives = archives;
    m_cache.clear();
    return m_archives.count();
}

ArchiveManager::~ArchiveManager()
{
    m_cacheTimer.stop();
    const QList< Archive * > &arcs = m_archives.values();
    for( Archive *arc : arcs )
        arc->deleteLater();
}

QHash<ModLibrary *, Archive *> ArchiveManager::getArchives()
{
    return m_archives;
}

bool ArchiveManager::findFile(const QString &qpath, ModLibrary **library, ModEntry **modentry, Archive **archive)
{
    if( m_cache.contains(qpath) )
    {
        //qDebug() << "ArchiveManager::findFile: Entry [" << qpath << "] cached (Valid:" << m_cache[qpath].m_valid << ")";
        *library = m_cache[qpath].m_library;
        *modentry = m_cache[qpath].m_entry;
        *archive = m_cache[qpath].m_archive;
        return m_cache[qpath].m_valid;
    }

    //qDebug() << "ArchiveManager::findFile: Searching for file" << qpath;
    ArchiveCachedEntry cacheEntry;
    QStringList qparts = qpath.split(QDir::separator());
    if( 0 == qpath.length() )
        qparts.clear();

    const QList< ModLibrary * > &keys = m_archives.keys();
    for( ModLibrary *lib : keys )
    {
        //qDebug() << "ArchiveManager::findFile: Scanning library" << lib->m_filename;
        for( ModEntry *mod : lib->m_entries )
        {
/*
            if( 0 != mod->m_installedPath.compare(qpath, Qt::CaseInsensitive) )
                continue;

            //dolog("getattr (3): \"%s\" exists as \"%s\"\n", mod.m_archivePath.toStdString().c_str(), mod.m_installedPath.toStdString().c_str());
            dolog("getattr(4): Comparing: qpath=\"%s\" vs. path=\"%s\"...\n",
                  qparts.join(QDir::separator()).toStdString().c_str(),
                  parts.join(QDir::separator()).toStdString().c_str()
            );
*/
            QStringList parts = mod->m_installedPath.split(QDir::separator());
            if( parts.length() < qparts.length() )
                continue;

            bool skipme = false;
            for( int x=0; x < qparts.length(); x++ )
            {
                if( 0 != qparts.at(x).compare(parts.at(x), Qt::CaseInsensitive) )
                {
                    skipme = true;
                    break;
                }
            }

            if( skipme ) {
                //qDebug() << "ArchiveManager::findFile: Skipping" << mod->m_installedPath;
                continue;
            }

            if( parts.length() > qparts.length() )
            {
                //qDebug() << "ArchiveManager::findFile: Found directory in" << mod->m_archivePath << "aka" << m_archives[lib]->getPath();
                *library = NULL;
                *modentry = NULL;
                *archive = NULL;
                cacheEntry.m_valid = true;
                //cacheEntry.m_isdir = true;
                //qDebug() << "Caching...";
                m_cache[qpath] = cacheEntry;
                //qDebug() << "Done.";
                return true;
            }

            //QMap<QString, ArchiveCacheEntry *> *arc = m_archives[lib]->getEntries();
            *library = lib;
            *modentry = mod;
            *archive = m_archives[lib];
            //qDebug() << "ArchiveManager::findFile: Found file" << mod->m_installedPath << "in mod" << mod->m_archivePath << "aka" << m_archives[lib]->getPath();

            cacheEntry.m_valid = true;
            cacheEntry.m_library = lib;
            cacheEntry.m_entry = mod;
            cacheEntry.m_archive = m_archives[lib];
            m_cache[qpath] = cacheEntry;
            //m_archives[lib]->cleanCache(time(NULL)-30);

            return true;
        }
    }
    //qDebug() << "ArchiveManager::findFile: Couldn't find file" << qpath << "(Cached)";
    m_cache[qpath] = cacheEntry;
    return false;
}

void ArchiveManager::cleanCache()
{
    //qDebug() << "ArchiveManager::cleanCache...";
    const QList< ModLibrary * > &keys = m_archives.keys();
    for( ModLibrary *lib : keys )
        m_archives[lib]->cleanCache(time(NULL)-300); // 5 mins seems like plenty
}