Msg_Export: Optimize exporting all history (fixes #609)

Makes export about 10x faster.

1 files changed, 15 insertions, 1 deletions

diff --git a/plugins/Msg_Export/src/options.cpp b/plugins/Msg_Export/src/options.cpp
index dc40c7c1cd..cf55041001 100755
--- a/plugins/Msg_Export/src/options.cpp
+++ b/plugins/Msg_Export/src/options.cpp
@@ -237,11 +237,25 @@ int nExportCompleatList(HWND hParent, bool bOnlySelected)
 		// events with same time will not be swaped, they will 

 		// remain in there original order

 

+		// Open/create file for writing

+		wstring sFilePath = FileIterator->first;

+		HANDLE hFile = openCreateFile(sFilePath);

+		if (hFile == INVALID_HANDLE_VALUE) {

+			DisplayErrorDialog(LPGENW("Failed to open or create file :\n"), sFilePath, NULL);

+			continue;

+		}

+

 		list< CLDBEvent >::const_iterator iterator;

 		for (iterator = FileIterator->second.begin(); iterator != FileIterator->second.end(); ++iterator) {

 			MEVENT hDbEvent = (*iterator).hDbEvent;

-			nExportEvent((WPARAM)(*iterator).hUser, (LPARAM)hDbEvent);

+			MCONTACT hContact = (*iterator).hUser;

+			if (!bExportEvent(hContact, hDbEvent, hFile, sFilePath))

+				break; // serious error, we should close the file and don't continue with it

 		}

+

+		// Close the file

+		CloseHandle(hFile);

+

 		SendMessage(hProg, PBM_SETPOS, ++nCur, 0);

 		RedrawWindow(hDlg, NULL, NULL, RDW_ALLCHILDREN | RDW_UPDATENOW);

 	}