From ed30792980b4f2e4891a39829951a0661485259e Mon Sep 17 00:00:00 2001
From: George Hazan <george.hazan@gmail.com>
Date: Thu, 27 Jun 2024 17:12:40 +0300
Subject: fixes #4482 (New option: set cloud file creation date = event date)

---
 src/mir_app/src/file.h            |  8 ++++++++
 src/mir_app/src/fileexistsdlg.cpp | 26 ++++++++++++++++----------
 src/mir_app/src/srmm_util.cpp     |  1 +
 3 files changed, 25 insertions(+), 10 deletions(-)

(limited to 'src/mir_app')

diff --git a/src/mir_app/src/file.h b/src/mir_app/src/file.h
index 677222615e..c2a451e022 100644
--- a/src/mir_app/src/file.h
+++ b/src/mir_app/src/file.h
@@ -132,6 +132,7 @@ MFilePath FindUniqueFileName(const wchar_t *pszOriginalFile);
 
 int  GetRegValue(HKEY hKeyBase, const wchar_t *szSubKey, const wchar_t *szValue, wchar_t *szOutput, int cbOutput);
 void GetSensiblyFormattedSize(__int64 size, wchar_t *szOut, int cchOut, int unitsOverride, int appendUnits, int *unitsUsed);
+void UnixTimeToFileTime(int unixTime, FILETIME *ft);
 
 // downloads or launches cloud file
 
@@ -153,6 +154,13 @@ struct OFD_Download : public OFD_Callback
 {
 	void Invoke(const OFDTHREAD &ofd) override
 	{
+		FILETIME ft;
+		UnixTimeToFileTime(ofd.dwTimestamp, &ft);
+		if (HANDLE hFile = CreateFileW(ofd.wszPath, GENERIC_WRITE, FILE_SHARE_READ, nullptr, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr)) {
+			SetFileTime(hFile, &ft, &ft, &ft);
+			CloseHandle(hFile);
+		}
+
 		if (ofd.bOpen)
 			ShellExecuteW(nullptr, L"open", ofd.wszPath, nullptr, nullptr, SW_SHOWDEFAULT);
 	}
diff --git a/src/mir_app/src/fileexistsdlg.cpp b/src/mir_app/src/fileexistsdlg.cpp
index 7170674eb5..623e610268 100644
--- a/src/mir_app/src/fileexistsdlg.cpp
+++ b/src/mir_app/src/fileexistsdlg.cpp
@@ -24,21 +24,27 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "stdafx.h"
 #include "file.h"
 
-static void SetControlToUnixTime(HWND hwndDlg, UINT idCtrl, time_t unixTime)
+void UnixTimeToFileTime(int unixTime, FILETIME *ft)
 {
 	LARGE_INTEGER liFiletime;
+	liFiletime.QuadPart = (11644473600ll + (__int64)unixTime) * 10000000;
+	ft->dwHighDateTime = liFiletime.HighPart;
+	ft->dwLowDateTime = liFiletime.LowPart;
+}
+
+static void SetControlToUnixTime(HWND hwndDlg, UINT idCtrl, time_t unixTime)
+{
 	FILETIME filetime;
-	SYSTEMTIME st;
-	char szTime[64], szDate[64], szOutput[128];
+	UnixTimeToFileTime(unixTime, &filetime);
 
-	liFiletime.QuadPart = (11644473600ll + (__int64)unixTime) * 10000000;
-	filetime.dwHighDateTime = liFiletime.HighPart;
-	filetime.dwLowDateTime = liFiletime.LowPart;
+	SYSTEMTIME st;
 	FileTimeToSystemTime(&filetime, &st);
-	GetTimeFormatA(LOCALE_USER_DEFAULT, 0, &st, NULL, szTime, _countof(szTime));
-	GetDateFormatA(LOCALE_USER_DEFAULT, DATE_SHORTDATE, &st, NULL, szDate, _countof(szDate));
-	mir_snprintf(szOutput, "%s %s", szDate, szTime);
-	SetDlgItemTextA(hwndDlg, idCtrl, szOutput);
+
+	wchar_t szTime[64], szDate[64], szOutput[128];
+	GetTimeFormatW(LOCALE_USER_DEFAULT, 0, &st, NULL, szTime, _countof(szTime));
+	GetDateFormatW(LOCALE_USER_DEFAULT, DATE_SHORTDATE, &st, NULL, szDate, _countof(szDate));
+	mir_snwprintf(szOutput, L"%s %s", szDate, szTime);
+	SetDlgItemTextW(hwndDlg, idCtrl, szOutput);
 }
 
 #define C_CONTEXTMENU  0
diff --git a/src/mir_app/src/srmm_util.cpp b/src/mir_app/src/srmm_util.cpp
index 46726b478a..884f19e7eb 100644
--- a/src/mir_app/src/srmm_util.cpp
+++ b/src/mir_app/src/srmm_util.cpp
@@ -233,6 +233,7 @@ void DownloadOfflineFile(MCONTACT hContact, MEVENT hDbEvent, DB::EventInfo &dbei
 
 		OFDTHREAD *ofd = new OFDTHREAD(hDbEvent, blob.getLocalName(), iCommand);
 		ofd->bLocked = true;
+		ofd->dwTimestamp = dbei.timestamp;
 		ofd->pCallback = callback.release();
 		CallProtoService(dbei.szModule, PS_OFFLINEFILE, (WPARAM)ofd);
 	}
-- 
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