From 15d6b095f730bfd6df91ad801c6a19b02bb16c3e Mon Sep 17 00:00:00 2001
From: squidbus <175574877+squidbus@users.noreply.github.com>
Date: Fri, 22 Nov 2024 08:29:41 -0800
Subject: [PATCH] savedatadialog_ui: Use fmt::localtime instead of formatting
 std::chrono::local_time (#1574)

---
 .../save_data/dialog/savedatadialog_ui.cpp    | 36 ++-----------------
 1 file changed, 3 insertions(+), 33 deletions(-)

diff --git a/src/core/libraries/save_data/dialog/savedatadialog_ui.cpp b/src/core/libraries/save_data/dialog/savedatadialog_ui.cpp
index 52abe91014..4e0d801a6f 100644
--- a/src/core/libraries/save_data/dialog/savedatadialog_ui.cpp
+++ b/src/core/libraries/save_data/dialog/savedatadialog_ui.cpp
@@ -13,33 +13,6 @@
 #include "imgui/imgui_std.h"
 #include "savedatadialog_ui.h"
 
-#ifdef __APPLE__
-#include <date/tz.h>
-
-// Need to make a copy of the formatter for std::chrono::local_time for use with date::local_time
-template <typename Duration, typename Char>
-struct fmt::formatter<date::local_time<Duration>, Char> : formatter<std::tm, Char> {
-    FMT_CONSTEXPR formatter() {
-        this->format_str_ = fmt::detail::string_literal<Char, '%', 'F', ' ', '%', 'T'>();
-    }
-
-    template <typename FormatContext>
-    auto format(date::local_time<Duration> val, FormatContext& ctx) const -> decltype(ctx.out()) {
-        using period = typename Duration::period;
-        if (period::num == 1 && period::den == 1 &&
-            !std::is_floating_point<typename Duration::rep>::value) {
-            return formatter<std::tm, Char>::format(
-                localtime(fmt::detail::to_time_t(date::current_zone()->to_sys(val))), ctx);
-        }
-        auto epoch = val.time_since_epoch();
-        auto subsecs = fmt::detail::duration_cast<Duration>(
-            epoch - fmt::detail::duration_cast<std::chrono::seconds>(epoch));
-        return formatter<std::tm, Char>::do_format(
-            localtime(fmt::detail::to_time_t(date::current_zone()->to_sys(val))), ctx, &subsecs);
-    }
-};
-#endif
-
 using namespace ImGui;
 using namespace Libraries::CommonDialog;
 using Common::ElfInfo;
@@ -125,12 +98,9 @@ SaveDialogState::SaveDialogState(const OrbisSaveDataDialogParam& param) {
             param_sfo.Open(param_sfo_path);
 
             auto last_write = param_sfo.GetLastWrite();
-#ifdef __APPLE__
-            auto t = date::zoned_time{date::current_zone(), last_write};
-#else
-            auto t = std::chrono::zoned_time{std::chrono::current_zone(), last_write};
-#endif
-            std::string date_str = fmt::format("{:%d %b, %Y %R}", t.get_local_time());
+            std::string date_str =
+                fmt::format("{:%d %b, %Y %R}",
+                            fmt::localtime(std::chrono::system_clock::to_time_t(last_write)));
 
             size_t size = Common::FS::GetDirectorySize(dir_path);
             std::string size_str = SpaceSizeToString(size);