Method getSubfoldersModel

YACReaderLibrary/db/folder_model.cpp:779–820

}

FolderModel *FolderModel::getSubfoldersModel(const QModelIndex &mi)
{
    qulonglong id = 1;
    FolderItem *parent = nullptr;
    if (mi.isValid()) {
        auto item = static_cast<FolderItem *>(mi.internalPointer());
        parent = new FolderItem(item->getData(), item->parent());
        id = parent->id = item->id;
    }

    if (id == 1) {
        if (parent != nullptr) {
            delete parent;
        }
        return this;
    }

    auto model = new FolderModel();

    QString connectionName = "";
    {
        QSqlDatabase db = DataBaseManagement::loadDatabase(_databasePath);

        QSqlQuery selectQuery(db); // TODO check
        selectQuery.prepare("SELECT * FROM folder WHERE parentId = :parentId and id <> 1");
        selectQuery.bindValue(":parentId", id);
        selectQuery.exec();

        if (parent != nullptr) {
            model->setModelData(createModelData(selectQuery, parent));
        }

        connectionName = db.connectionName();
    }
    QSqlDatabase::removeDatabase(connectionName);

    model->_databasePath = _databasePath;

    model->isSubfolder = true;

    return model;
}

Folder FolderModel::getRootFolder()
{