#include "commodityservice.h"

QList<QSharedPointer<IShopItem> > CommodityService::shopItems(const QString& category/* = ""*/)
{
    QList<QSharedPointer<IShopItem> > ret;

    foreach (QSharedPointer<CommodityData> data, all()) {
        if (category.isEmpty() || (data->favorite() && data->category() == category)) {
            ret.append(qSharedPointerDynamicCast<IShopItem, CommodityData>(data));
        }
    }

    return ret;
}

void CommodityService::addedToVoucher(int itemId, int countAdded)
{
    QSharedPointer<CommodityData> commodity = loadById(itemId);

    if (!commodity.isNull())
    {
        commodity->setCount(commodity->count() - countAdded);
    }

    update(commodity);
}

IShopItemPtr CommodityService::shopItem(int itemId)
{
    CommodityDataPtr item = this->loadById(itemId);
    return qSharedPointerDynamicCast<IShopItem, CommodityData>(item);
}

ISeller *CommodityService::seller()
{
    return nullptr;
}

QString CommodityService::defaultSort()
{
    return "name";
}