GenericModelRepositoryObserver.h

// Copyright Wrld Ltd (2022-2022), All Rights Reserved

#pragma once

#include <functional>

namespace Eegeo
{
    namespace Labels
    {
        template <typename TRepository>
        class GenericModelRepositoryObserver : public TRepository::ObserverType
        {
        public:
            using typename TRepository::ObserverType::ItemType;

            GenericModelRepositoryObserver(std::function<void(const ItemType&)> onItemAdded, std::function<void(const ItemType&)> onItemRemoved)
                : m_onItemAdded(std::move(onItemAdded))
                , m_onItemRemoved(std::move(onItemRemoved))
            {}

            virtual ~GenericModelRepositoryObserver() = default;

            void OnItemAdded(const ItemType& item) override
            {
                m_onItemAdded(item);
            }

            void OnItemRemoved(const ItemType& item) override
            {
                m_onItemRemoved(item);
            }

        private:
            std::function<void(const ItemType&)> m_onItemAdded;
            std::function<void(const ItemType&)> m_onItemRemoved;
        };
    }
}