feat: add logger

L2BotCore/Domain/Logger/LogChannel.h

@@ -0,0 +1,43 @@
+#pragma once
+
+#include <vector>
+#include <string>
+#include <sstream>
+#include <iomanip>
+#include "LogLevel.h"
+
+namespace L2Bot::Domain::Logger
+{
+	class LogChannel
+	{
+	public:
+		LogChannel(const std::vector<LogLevel> levels) : m_Levels(levels) {};
+		virtual ~LogChannel() = default;
+
+		void SendToChannel(const std::wstring& logEntry)
+		{
+			DoSendToChannel(logEntry);
+		}
+
+		const bool IsAppropriateLevel(const LogLevel level) const
+		{
+			return m_Levels.size() == 0 || std::find(m_Levels.begin(), m_Levels.end(), level) != m_Levels.end();
+		}
+
+	protected:
+		virtual void DoSendToChannel(const std::wstring& logEntry) = 0;
+
+		const std::wstring GetCurrentDateTime() const
+		{
+			time_t rawTime = std::time(nullptr);
+			struct tm timeinfo;
+			localtime_s(&timeinfo, &rawTime);
+			std::wstringstream oss;
+			oss << "[" << std::put_time(&timeinfo, L"%Y-%m-%d %H.%M.%S") << "]";
+			return oss.str();
+		}
+
+	private:
+		const std::vector<LogLevel> m_Levels;
+	};
+}