From 0fd7462dd0dfb3de2f626d0d7fda8da47d91d946 Mon Sep 17 00:00:00 2001
From: IOE <fivetwothreesix@gmail.com>
Date: Sun, 12 Nov 2023 19:45:13 +0900
Subject: [PATCH] feat: Add timestamp to LogRecord struct

---
 include/nodec/logging/log_record.hpp | 11 +++++++----
 include/nodec/logging/logger.hpp     | 16 ++++++++--------
 2 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/include/nodec/logging/log_record.hpp b/include/nodec/logging/log_record.hpp
index 1907bb8..d0875e2 100644
--- a/include/nodec/logging/log_record.hpp
+++ b/include/nodec/logging/log_record.hpp
@@ -1,6 +1,7 @@
 #ifndef NODEC__LOGGING__LOG_RECORD_HPP_
 #define NODEC__LOGGING__LOG_RECORD_HPP_
 
+#include <chrono>
 #include <cstddef>
 #include <string>
 
@@ -10,14 +11,16 @@ namespace nodec {
 namespace logging {
 
 struct LogRecord {
-    LogRecord(const std::string &name, Level level, const std::string &message, const char *file, std::size_t line)
-        : name(name), level(level), message(message), file(file), line(line) {}
+public:
+    LogRecord(std::chrono::system_clock::time_point time, const std::string &name, Level level, const std::string &message, const char *file, std::size_t line)
+        : time(time), name(name), level(level), message(message), file(file), line(line) {}
 
+    const std::chrono::system_clock::time_point time;
     const std::string &name;
-    Level level;
+    const Level level;
     const std::string &message;
     const char *file;
-    std::size_t line;
+    const std::size_t line;
 };
 
 } // namespace logging
diff --git a/include/nodec/logging/logger.hpp b/include/nodec/logging/logger.hpp
index c9e91f8..4be8d66 100644
--- a/include/nodec/logging/logger.hpp
+++ b/include/nodec/logging/logger.hpp
@@ -63,7 +63,7 @@ class Logger {
             parent_->handle(record);
         }
     }
-    
+
     class LogStream {
     public:
         LogStream(Logger &logger, Level level, const char *file, std::size_t line)
@@ -122,7 +122,7 @@ class Logger {
      *   DEBUG: Detailed information, typically of interest only when diagnosing problems.
      */
     void debug(const std::string &message, const char *file, std::size_t line) {
-        handle(LogRecord{name_, Level::Debug, message, file, line});
+        handle(LogRecord{std::chrono::system_clock::now(), name_, Level::Debug, message, file, line});
     }
 
     /**
@@ -130,7 +130,7 @@ class Logger {
      *   INFO: Confirmation that things are working as expected.
      */
     void info(const std::string &message, const char *file, std::size_t line) {
-        handle(LogRecord{name_, Level::Info, message, file, line});
+        handle(LogRecord{std::chrono::system_clock::now(), name_, Level::Info, message, file, line});
     }
 
     /**
@@ -139,7 +139,7 @@ class Logger {
      *       The software is still working as expected.
      */
     void warn(const std::string &message, const char *file, std::size_t line) {
-        handle(LogRecord{name_, Level::Warn, message, file, line});
+        handle(LogRecord{std::chrono::system_clock::now(), name_, Level::Warn, message, file, line});
     }
 
     /**
@@ -147,7 +147,7 @@ class Logger {
      *   ERROR: Due to a more serious problem, the software has not been able to perform some function.
      */
     void error(const std::string &message, const char *file, std::size_t line) {
-        handle(LogRecord{name_, Level::Error, message, file, line});
+        handle(LogRecord{std::chrono::system_clock::now(), name_, Level::Error, message, file, line});
     }
 
     /**
@@ -155,14 +155,14 @@ class Logger {
      *   FATAL: A serious error, indicating that the program itself may be unable to continue running.
      */
     void fatal(const std::string &message, const char *file, std::size_t line) {
-        handle(LogRecord{name_, Level::Fatal, message, file, line});
+        handle(LogRecord{std::chrono::system_clock::now(), name_, Level::Fatal, message, file, line});
     }
-    
+
     /**
      * @brief Logs a message with level.
      */
     void log(Level level, const std::string &message, const char *file, std::size_t line) {
-        handle(LogRecord{name_, level, message, file, line});
+        handle(LogRecord{std::chrono::system_clock::now(), name_, level, message, file, line});
     }
 
     LogStream debug(const char *file, std::size_t line) {