76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
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#ifndef DAY_MANAGER_H
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#define DAY_MANAGER_H
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#include <QTime>
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class DayManager {
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public:
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enum class SlotSelectionMode { Maximal, Minimal, Quick, Random };
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enum class StartTimeMode { Left, Random, Right };
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private:
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QMap<QTime, QTime> availableSlots_;
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SlotSelectionMode slotSelectionMode_;
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StartTimeMode startTimeMode_;
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qint64 minDurationMs_;
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qsizetype createdRecords_;
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public:
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inline DayManager();
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explicit DayManager(const QTime &begin, const QTime &end);
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QPair<QTime, QTime> reserve(const QTime &duration);
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QTime duration() const;
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QTime duration(const QTime &begin) const;
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inline QTime minDuration() const noexcept;
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inline qsizetype createdRecords() const noexcept;
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inline qsizetype slotCount() const;
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inline void setMode(SlotSelectionMode mode);
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inline void setMode(StartTimeMode mode);
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void addAvailableSlot(const QTime &begin, const QTime &end);
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void setMinDuration(const QTime &duration);
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qsizetype calculatePossibleReservations(qint64 requiredMs) const;
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private:
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template <typename... Times>
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bool isAvailable(const QTime &first, const Times &...others) const;
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QList<std::reference_wrapper<const QTime>>
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availableSlots(qint64 requiredMs) const;
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QPair<QTime, QTime> reserveAvailableSlot(QTime key, qint64 requiredMs);
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QPair<QTime, QTime> reserveAvailableSlotLeft(QTime key, qint64 requiredMs);
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QPair<QTime, QTime> reserveAvailableSlotRandom(QTime key, qint64 requiredMs);
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QPair<QTime, QTime> reserveAvailableSlotRight(QTime key, qint64 requiredMs);
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QPair<QTime, QTime> reserveImpl(qint64 requiredMs);
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QPair<QTime, QTime> reserveImplMaximal(qint64 requiredMs);
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QPair<QTime, QTime> reserveImplMinimal(qint64 requiredMs);
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QPair<QTime, QTime> reserveImplQuick(qint64 requiredMs);
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QPair<QTime, QTime> reserveImplRandom(qint64 requiredMs);
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private:
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friend class DayManagerTest;
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};
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DayManager::DayManager()
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: slotSelectionMode_(SlotSelectionMode::Minimal),
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startTimeMode_(StartTimeMode::Left), minDurationMs_(1),
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createdRecords_(0) {}
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void DayManager::setMode(SlotSelectionMode mode) { slotSelectionMode_ = mode; }
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void DayManager::setMode(StartTimeMode mode) { startTimeMode_ = mode; }
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inline QTime DayManager::minDuration() const noexcept {
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return QTime::fromMSecsSinceStartOfDay(minDurationMs_);
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}
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qsizetype DayManager::createdRecords() const noexcept {
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return createdRecords_;
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}
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qsizetype DayManager::slotCount() const { return availableSlots_.size(); }
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#endif // DAY_MANAGER_H
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