Initial commit

2026-07-12 14:34:52 +04:00
commit 3abf6bd9c2
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+#ifndef REFUND_GENERATOR_H
+#define REFUND_GENERATOR_H
+
+#include "base_generator.h"
+#include "date_time_generator.h"
+#include <QDateTime>
+#include <QRandomGenerator>
+#include <QString>
+
+// Forward declaration
+class RefundsRepository;
+class SessionsRepository;
+class TicketsRepository;
+
+class RefundGenerator : public BaseGenerator, public DateTimeGenerator {
+private:
+  struct ReservationContext {
+    QDateTime beginAt;
+    QDateTime refundAt;
+    QDateTime soldAt;
+    double refundAmount;
+    qint32 ticketId;
+  };
+
+  struct CacheValue {
+    QDateTime beginAt;
+    QDateTime soldAt;
+    double ticketPrice;
+  };
+
+private:
+  QMap<qint32 /* ticketId */, CacheValue> // WARNING: There can be a lot
+      ticketIdToCacheValue_; // of records, so 1 QPair is used, not 3 QMap
+  QPair<double, double> refundRatioRange_;
+  ReservationContext reservationContext_;
+  qsizetype remainingCapacity_;
+
+  RefundsRepository *refundsRepository_;
+  SessionsRepository *sessionsRepository_;
+  TicketsRepository *ticketsRepository_;
+
+public:
+  RefundGenerator(const QPair<double, double> &refundRatioRange,
+                  const QPair<qint64, qint64> &dayRange,
+                  const QPair<QTime, QTime> &timeRange);
+
+private:
+  void initializeRepositories();
+  void initializeTicketIdToCacheValueMap();
+  inline void initializeRemainingCapacity();
+
+private:
+  inline qint64 calculateDurationMs(const CacheValue &cacheValue) const;
+
+  // Vitual methods
+private: // Const methods
+  QString createFailureMessage(const QString &errorMessage) const override;
+  QString createSuccessMessage() const override;
+  qsizetype calculateRemainingCapacity() const override;
+
+private: // Non-const methods
+  RepositoryResult createRecord() override;
+  bool prepareData() override;
+  void clearStaleData() override;
+};
+
+void RefundGenerator::initializeRemainingCapacity() {
+  remainingCapacity_ = ticketIdToCacheValue_.size();
+}
+
+qint64
+RefundGenerator::calculateDurationMs(const CacheValue &cacheValue) const {
+  return cacheValue.soldAt.msecsTo(cacheValue.beginAt);
+}
+
+#endif