69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
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#ifndef TICKET_GENERATOR_H
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#define TICKET_GENERATOR_H
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#include "base_generator.h"
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#include "date_time_generator.h"
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#include "tickets_repository_interface.h"
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#include <QDateTime>
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#include <QRandomGenerator>
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#include <QString>
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#include <QVector>
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// Forward declaration
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class HallsRepositoryInterface;
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class SessionsRepositoryInterface;
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class TicketsRepositoryInterface;
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class TicketGenerator : public BaseGenerator, public DateTimeGenerator {
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private:
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struct ReservationContext {
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QDateTime beginAt;
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QDateTime soldAt;
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qint32 seatNumber;
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qint32 sessionId;
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};
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private:
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static std::random_device rd_;
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static std::mt19937 generator_;
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private:
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QMap<qint32 /* sessionId */, QDateTime> sessionIdToBeginAt_;
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QMap<qint32 /* sessionId */, QSet<qint32> /* availableSeatNumbers */>
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sessionIdToAvailableSeatNumbers_;
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QPair<double, double> fillRatioPerSessionRange_;
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ReservationContext reservationContext_;
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qsizetype remainingCapacity_;
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HallsRepositoryInterface *hallsRepository_;
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SessionsRepositoryInterface *sessionsRepository_;
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TicketsRepositoryInterface *ticketsRepository_;
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public:
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TicketGenerator(const QPair<qint32, qint32> &dayRange,
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const QPair<QTime, QTime> &timeRange,
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const QPair<double, double> &fillRatioPerSessionRange);
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private:
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void initializeRemainingCapacity();
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void initializeRepositories();
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void initializeSessionIdToAvailableSeatMap();
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void initializeSessionIdToBeginAtMap();
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bool setFillRatioPerSessionRange(const QPair<double, double> &range);
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double generateFillRatioPerSession() const;
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// Vitual methods
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private: // Const methods
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QString createFailureMessage(const QString &errorMessage) const override;
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QString createSuccessMessage() const override;
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qsizetype calculateRemainingCapacity() const override;
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private: // Non-const methods
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RepositoryResult createRecord() override;
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bool prepareData() override;
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void clearStaleData() override;
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};
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#endif // TICKET_GENERATOR_H
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