Utility: Introduce new helper function Utility::GetFileCreationTime()

lib/base/utility.cpp

@@ -1310,6 +1310,13 @@ bool Utility::PathExists(const String& path)
 	return fs::exists(fs::path(path.Begin(), path.End()), ec) && !ec;
 }
 
+time_t Utility::GetFileCreationTime(const String& path)
+{
+	namespace fs = boost::filesystem;
+
+	return fs::last_write_time(boost::lexical_cast<fs::path>(path));
+}
+
 Value Utility::LoadJsonFile(const String& path)
 {
 	std::ifstream fp;

lib/base/utility.hpp

@@ -109,6 +109,7 @@ public:
 	static tm LocalTime(time_t ts);
 
 	static bool PathExists(const String& path);
+	static time_t GetFileCreationTime(const String& path);
 
 	static void Remove(const String& path);
 	static void RemoveDirRecursive(const String& path);