InventorySaveSession.h

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#pragma once
#include "common/Export.h"
 
 
#include "common/Result.h"
 
#include <memory>
#include <string>
#include <string_view>
 
namespace eve::inventory {
 
class Bag;
class EquipmentSet;
 
class EVENGINE_API_FOUNDATION InventorySaveSession {
public:
    class EVENGINE_API_FOUNDATION PreparedRestore {
    public:
        ~PreparedRestore();
        PreparedRestore(PreparedRestore &&) noexcept;
        PreparedRestore &operator=(PreparedRestore &&) noexcept;
        PreparedRestore(const PreparedRestore &) = delete;
        PreparedRestore &operator=(const PreparedRestore &) = delete;
 
    private:
        friend class InventorySaveSession;
 
        PreparedRestore();
        std::unique_ptr<Bag> bag_;
        std::unique_ptr<EquipmentSet> equipment_;
        int largestInstanceId = 0;
    };
 
    InventorySaveSession() = default;
 
    void bind(Bag &bag, EquipmentSet &equipment) noexcept;
 
    [[nodiscard]] eve::Result<std::string> snapshotJson() const;
 
    [[nodiscard]] eve::Result<PreparedRestore> prepareRestoreSnapshotJson(std::string_view json) const;
 
    void commitPrepared(PreparedRestore prepared) noexcept;
 
    [[nodiscard]] eve::Result<void> restoreSnapshotJson(std::string_view json);
 
private:
    Bag *bag_ = nullptr;
    EquipmentSet *equipment_ = nullptr;
};
 
}  // namespace eve::inventory