card_database_querier.h

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#ifndef COCKATRICE_CARD_DATABASE_QUERIER_H
#define COCKATRICE_CARD_DATABASE_QUERIER_H
 
#include "../card_info.h"
#include "../printing/exact_card.h"
 
#include <QObject>
#include <libcockatrice/interfaces/interface_card_preference_provider.h>
#include <libcockatrice/utility/card_ref.h>
 
class CardDatabase;

class CardDatabaseQuerier : public QObject
{
    Q_OBJECT
 
public:
    explicit CardDatabaseQuerier(QObject *parent, const CardDatabase *db, const ICardPreferenceProvider *prefs);

    [[nodiscard]] CardInfoPtr getCardInfo(const QString &cardName) const;

    [[nodiscard]] QList<CardInfoPtr> getCardInfos(const QStringList &cardNames) const;

    [[nodiscard]] CardInfoPtr getCardBySimpleName(const QString &cardName) const;

    [[nodiscard]] CardInfoPtr lookupCardByName(const QString &name) const;

    [[nodiscard]] ExactCard getCard(const CardRef &cardRef) const;

    [[nodiscard]] QList<ExactCard> getCards(const QList<CardRef> &cardRefs) const;

    [[nodiscard]] ExactCard guessCard(const CardRef &cardRef) const;

    [[nodiscard]] ExactCard getRandomCard() const;

    [[nodiscard]] ExactCard getCardFromSameSet(const QString &cardName, const PrintingInfo &otherPrinting) const;

    [[nodiscard]] ExactCard getPreferredCard(const QString &cardName) const;

    [[nodiscard]] ExactCard getPreferredCard(const CardInfoPtr &cardInfo) const;

    [[nodiscard]] bool isPreferredPrinting(const CardRef &cardRef) const;

    [[nodiscard]] PrintingInfo getPreferredPrinting(const QString &cardName) const;

    [[nodiscard]] PrintingInfo getPreferredPrinting(const CardInfoPtr &cardInfo) const;

    [[nodiscard]] QString getPreferredPrintingProviderId(const QString &cardName) const;

    [[nodiscard]] PrintingInfo getSpecificPrinting(const CardRef &cardRef) const;

    [[nodiscard]] PrintingInfo
    getSpecificPrinting(const QString &cardName, const QString &setCode, const QString &collectorNumber) const;

    [[nodiscard]] PrintingInfo findPrintingWithId(const CardInfoPtr &card, const QString &providerId) const;

    [[nodiscard]] QStringList getAllMainCardTypes() const;

    [[nodiscard]] QMap<QString, int> getAllMainCardTypesWithCount() const;

    [[nodiscard]] QMap<QString, int> getAllSubCardTypesWithCount() const;
    FormatRulesPtr getFormat(const QString &formatName) const;
    QMap<QString, int> getAllFormatsWithCount() const;
 
private:
    const CardDatabase *db;               
    const ICardPreferenceProvider *prefs; 
 
    // Count maps are expensive to compute (they iterate the whole database) and are
    // queried every time a filter widget is built, so cache them and invalidate on
    // any database mutation. Only the main thread reads or writes these.
    mutable QMap<QString, int> mainCardTypeCountsCache;
    mutable QMap<QString, int> subCardTypeCountsCache;
    mutable QMap<QString, int> formatsCountCache;
 
private slots:
    void invalidateCaches();
};
 
#endif // COCKATRICE_CARD_DATABASE_QUERIER_H