Method reload

YACReaderLibrary/db/folder_model.cpp:188–236

}

void FolderModel::reload()
{
    if (rootItem == nullptr)
        return;

    if (!isSubfolder) {
        auto newModelData = createModelData(_databasePath);

        takeUpdatedChildrenInfo(rootItem, QModelIndex(), newModelData.rootItem);

        // copy items from newModelData to this model that are not in this model
        for (const auto key : newModelData.items.keys()) {
            if (!items.contains(key)) {
                items[key] = (newModelData.items[key]);
            }
        }

        delete newModelData.rootItem;
    } else {
        QString connectionName = "";
        {
            QSqlDatabase db = DataBaseManagement::loadDatabase(_databasePath);

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

            auto tempRoot = new FolderItem(rootItem->getData(), rootItem->parentItem);
            tempRoot->id = rootItem->id;
            auto newModelData = createModelData(selectQuery, tempRoot);
            takeUpdatedChildrenInfo(rootItem, QModelIndex(), newModelData.rootItem);

            items = newModelData.items;

            // copy items from newModelData to this model that are not in this model
            for (const auto key : newModelData.items.keys()) {
                if (!items.contains(key)) {
                    items[key] = (newModelData.items[key]);
                }
            }

            delete newModelData.rootItem;

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

void FolderModel::takeUpdatedChildrenInfo(FolderItem *parent, const QModelIndex &parentModelIndex, FolderItem *updated)
{