beerlog/models/restsmodel.cpp

#include "restsmodel.h"

RestsModel::RestsModel(QObject *parent) : BaseModel { "rests", parent }
{
    connect(this, &BaseModel::dataChanged, this, &RestsModel::clearCache);
}

float RestsModel::productRest(const QString &storeId, const QString &productId)
{
    return findRest(storeId, productId).value("rest", 0.0).toFloat();
}

void RestsModel::submitRest(const QString &storeId, const QString &productId, float rest)
{
    QVariantMap productRest = findRest(storeId, productId);
    productRest["rest"] = rest;
    submitItem(productRest);
}

QVariantMap RestsModel::findRest(const QString &storeId, const QString &productId)
{
    Key restKey(storeId, productId);
    if (m_rests.isEmpty()) {
        loadCache();
    }
    return m_rests.value(restKey, { { "storeId", storeId}, { "productId", productId} });
}

void RestsModel::loadCache()
{
    for (const QVariant &var : items()) {
        QVariantMap rest = var.toMap();
        m_rests[Key(rest.value("storeId").toString(), rest.value("productId").toString())] = rest;
    }
}

void RestsModel::clearCache()
{
    m_rests.clear();
}