quickmod/FuseMounter/database.cpp

#include "database.h"

#include <QSqlError>
#include <QSqlQuery>

Database::Database(QObject *parent)
    : QObject{parent}
{
    m_database = QSqlDatabase::addDatabase("QSQLITE");
}

void Database::setDatabase(QSqlDatabase &db)
{
    m_database = db;
}

bool Database::open(const QString &dbpath)
{
    m_database.setDatabaseName(dbpath);
    m_open = m_database.open();
    if( !m_open ) {
        fprintf(stderr, "Failed to open the database: %s\n", m_database.lastError().text().toStdString().c_str());
        return false;
    }

    readOverrides();
    return m_open;
}

void Database::readOverrides()
{
    QStringList overrides;
    QSqlQuery q = QSqlQuery("SELECT path FROM proxyOverrides", m_database);
    while( q.next() )
    {
        QString path = q.value(0).toString();
        overrides << path;
    }
    m_overrides = overrides;
}

QList<ModLibrary *> Database::archiveList(int profileId)
{
    /**
     * @brief Load in *reverse* order preference. Why? I'll tell ya. Go on, ask me. There's a grand reason.
     *
     * Y'see, users will intuitively order overrides or patches to load AFTER the original.
     *
     * Because we work on a "first match" policy, that means we MATCH on the LATEST version,
     * meaning that the last index containing a file reference will take preference for that
     * file over previous ones. Effectively, this "overrides" the older (lower index) version.
     *
     * Y'dig? Real swell. Stay cool, hep cat.
     */
    QString qstr = QString("SELECT modId, filename FROM mods WHERE enabled != 0 AND moddir IS NULL AND modId IN (SELECT modId FROM profile_selections WHERE profileId=%1) ORDER BY idx DESC").arg(profileId);
    qDebug() << qstr;
    QSqlQuery q = QSqlQuery(qstr, m_database);
    //QSqlQuery q = QSqlQuery("SELECT modId, filename FROM mods WHERE enabled != 0 ORDER BY idx DESC", m_database);
    QList<ModLibrary *> library;
    while( q.next() )
    {
        ModLibrary *ent = new ModLibrary();
        ent->m_id = q.value(0).toInt();
        ent->m_filename = q.value(1).toString();
        library << ent;
    }

    QList<ModLibrary *> results;
    for( ModLibrary *ent : library )
    {
        ent->m_entries = modManifest( ent->m_id );
        results << ent;
    }

    return results;
}

QStringList Database::proxyList(int profileId)
{
    QStringList results;
    QString qstr = QString("SELECT moddir FROM mods WHERE enabled != 0 AND NOT moddir IS NULL AND modId IN (SELECT modId FROM profile_selections WHERE profileId=%1) ORDER BY idx DESC").arg(profileId);
    qDebug() << qstr;
    QSqlQuery q = QSqlQuery(qstr, m_database);
    while( q.next() )
    {
        results << q.value(0).toString();
    }
    return results;
}

QList<ModEntry *> Database::modManifest(int id)
{
    QList<ModEntry *> results;

    QSqlQuery q = QSqlQuery(m_database);
    q.prepare("SELECT fileId, source, dest FROM files WHERE modId=?");
    q.bindValue(0, id);
    if( !q.exec() )
        return results;

    while( q.next() )
    {
        ModEntry *ent = new ModEntry();
        ent->m_id = q.value(0).toInt();
        ent->m_archivePath = q.value(1).toString();
        ent->m_installedPath = q.value(2).toString();
        results << ent;
    }
    return results;
}

bool Database::isProxyOverride(const QString &filepath)
{
    return m_overrides.contains(filepath);
}

bool Database::registerProxyOverride(const QString &filepath)
{
    QSqlQuery q = QSqlQuery(m_database);
    q.prepare("INSERT INTO proxyOverrides (path)VALUES(?)");
    q.bindValue(0, filepath.toStdString().c_str());
    if( !q.exec() )
        return false;

    m_overrides.append(filepath);
    return true;
}

bool Database::unregisterProxyOverride(const QString &filepath)
{
    QSqlQuery q = QSqlQuery(m_database);
    q.prepare("DELETE FROM proxyOverrides WHERE path LIKE ?");
    q.bindValue(0, filepath.toStdString().c_str());
    if( !q.exec() )
        return false;

    m_overrides.removeAll(filepath);
    return true;
}