From 538e804fc9beb83e711a210ffbb6badc15f285d5 Mon Sep 17 00:00:00 2001
From: rtk0c <mail.tianyig@gmail.com>
Date: Wed, 28 Apr 2021 21:25:55 -0700
Subject: Add table visualization for purchases

---
 core/src/Utils/Time.cpp | 29 +++++++++++++++++++++++++++++
 core/src/Utils/Time.hpp |  7 +++++++
 2 files changed, 36 insertions(+)
 create mode 100644 core/src/Utils/Time.cpp
 create mode 100644 core/src/Utils/Time.hpp

(limited to 'core/src/Utils')

diff --git a/core/src/Utils/Time.cpp b/core/src/Utils/Time.cpp
new file mode 100644
index 0000000..d8e0bd1
--- /dev/null
+++ b/core/src/Utils/Time.cpp
@@ -0,0 +1,29 @@
+#include "Time.hpp"
+
+#include <ctime>
+
+std::string StringifyTimePoint(std::chrono::time_point<std::chrono::system_clock> tp) {
+	auto t = std::chrono::system_clock::to_time_t(tp);
+
+	char data[32];
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations" // C++ doesn't have std::localtime_s
+	std::strftime(data, sizeof(data), "%Y-%m-%d %H:%M:%S", std::localtime(&t));
+#pragma clang diagnostic pop
+
+	return std::string(data);
+}
+
+std::string StringifyTimeStamp(int64_t timeStamp) {
+	if (timeStamp == 0) {
+		return "";
+	}
+
+	namespace chrono = std::chrono;
+	using Clock = chrono::system_clock;
+
+	chrono::milliseconds d{ timeStamp };
+	chrono::time_point<chrono::system_clock> tp{ d };
+
+	return StringifyTimePoint(tp);
+}
diff --git a/core/src/Utils/Time.hpp b/core/src/Utils/Time.hpp
new file mode 100644
index 0000000..1f5a048
--- /dev/null
+++ b/core/src/Utils/Time.hpp
@@ -0,0 +1,7 @@
+#pragma once
+
+#include <string>
+#include <chrono>
+
+std::string StringifyTimePoint(std::chrono::time_point<std::chrono::system_clock> tp);
+std::string StringifyTimeStamp(int64_t timeStamp);
-- 
cgit v1.2.3-70-g09d2