feat: add incoming messages to bot

L2BotDll/Services/EntityFinder.h

@@ -0,0 +1,85 @@
+#pragma once
+
+#include <map>
+#include <functional>
+#include <memory>
+#include "Domain/Repositories/EntityRepositoryInterface.h"
+#include "Domain/DTO/EntityState.h"
+
+using namespace L2Bot::Domain;
+
+class EntityFinder
+{
+public:
+	template<typename T>
+	const std::map<uint32_t, std::shared_ptr<DTO::EntityState>>& FindEntities(const std::map<uint32_t, T> items, std::function<std::unique_ptr<Entities::EntityInterface>(T)> callback)
+	{
+		RemoveOutdatedStates();
+
+		for (const auto& kvp : items)
+		{
+			const auto item = kvp.second;
+			auto newObject = callback(item);
+			if (m_Objects.contains(newObject->GetId()))
+			{
+				if (!m_Objects[kvp.first]->GetEntity()->IsEqual(newObject.get())) {
+					m_Objects[kvp.first]->GetEntity()->Update(newObject.get());
+					m_Objects[kvp.first]->UpdateState(Enums::EntityStateEnum::updated);
+				}
+				else
+				{
+					m_Objects[kvp.first]->UpdateState(Enums::EntityStateEnum::none);
+				}
+			}
+			else
+			{
+				const auto objectId = newObject->GetId();
+				m_Objects.emplace(
+					objectId,
+					std::make_shared<DTO::EntityState>(std::move(newObject), Enums::EntityStateEnum::created)
+				);
+			}
+		}
+
+		for (auto& kvp : m_Objects)
+		{
+			if (!items.contains(kvp.second->GetEntity()->GetId()))
+			{
+				m_Objects[kvp.first]->GetEntity()->SaveState();
+				kvp.second->UpdateState(Enums::EntityStateEnum::deleted);
+			}
+		}
+
+		return m_Objects;
+	}
+
+	void Reset()
+	{
+		m_Objects.clear();
+	}
+
+	EntityFinder() = default;
+	virtual ~EntityFinder()
+	{
+		Reset();
+	}
+private:
+	void RemoveOutdatedStates()
+	{
+		auto it = m_Objects.begin();
+		while (it != m_Objects.end())
+		{
+			if (it->second->GetState() == Enums::EntityStateEnum::deleted)
+			{
+				m_Objects.erase(it++);
+			}
+			else
+			{
+				it++;
+			}
+		}
+	}
+
+private:
+	std::map<uint32_t, std::shared_ptr<DTO::EntityState>> m_Objects;
+};