Add media date after index in default export name.

Fixes #5167.

Telegram/SourceFiles/export/data/export_data_types.cpp

@@ -30,6 +30,19 @@ constexpr auto kUserPeerIdShift = (1ULL << 32);
 constexpr auto kChatPeerIdShift = (2ULL << 32);
 constexpr auto kMaxImageSize = 10000;
 
+QString PrepareFileNameDatePart(TimeId date) {
+	return date
+		? ('@' + QString::fromUtf8(FormatDateTime(date, '-', '-', '_')))
+		: QString();
+}
+
+QString PreparePhotoFileName(int index, TimeId date) {
+	return "photo_"
+		+ QString::number(index)
+		+ PrepareFileNameDatePart(date)
+		+ ".jpg";
+}
+
 } // namespace
 
 PeerId UserPeerId(int32 userId) {
@@ -288,7 +301,8 @@ void ParseAttributes(
 
 QString ComputeDocumentName(
 		ParseMediaContext &context,
-		const Document &data) {
+		const Document &data,
+		TimeId date) {
 	if (!data.name.isEmpty()) {
 		return QString::fromUtf8(data.name);
 	}
@@ -303,6 +317,7 @@ QString ComputeDocumentName(
 		const auto isMP3 = hasMimeType(qstr("audio/mp3"));
 		return qsl("audio_")
 			+ QString::number(++context.audios)
+			+ PrepareFileNameDatePart(date)
 			+ (isMP3 ? qsl(".mp3") : qsl(".ogg"));
 	} else if (data.isVideoFile) {
 		const auto extension = pattern.isEmpty()
@@ -310,6 +325,7 @@ QString ComputeDocumentName(
 			: QString(pattern).replace('*', QString());
 		return qsl("video_")
 			+ QString::number(++context.videos)
+			+ PrepareFileNameDatePart(date)
 			+ extension;
 	} else {
 		const auto extension = pattern.isEmpty()
@@ -317,6 +333,7 @@ QString ComputeDocumentName(
 			: QString(pattern).replace('*', QString());
 		return qsl("file_")
 			+ QString::number(++context.files)
+			+ PrepareFileNameDatePart(date)
 			+ extension;
 	}
 }
@@ -386,7 +403,8 @@ QString DocumentFolder(const Document &data) {
 Document ParseDocument(
 		ParseMediaContext &context,
 		const MTPDocument &data,
-		const QString &suggestedFolder) {
+		const QString &suggestedFolder,
+		TimeId date) {
 	auto result = Document();
 	data.match([&](const MTPDdocument &data) {
 		result.id = data.vid.v;
@@ -402,7 +420,7 @@ Document ParseDocument(
 			data.vfile_reference);
 		const auto path = result.file.suggestedPath = suggestedFolder
 			+ DocumentFolder(result) + '/'
-			+ CleanDocumentName(ComputeDocumentName(context, result));
+			+ CleanDocumentName(ComputeDocumentName(context, result, date));
 
 		result.thumb = data.vthumb.match([](const MTPDphotoSizeEmpty &) {
 			return Image();
@@ -497,7 +515,11 @@ UserpicsSlice ParseUserpicsSlice(
 	result.list.reserve(list.size());
 	for (const auto &photo : list) {
 		const auto suggestedPath = "profile_pictures/"
-			"photo_" + QString::number(++baseIndex) + ".jpg";
+			+ PreparePhotoFileName(
+				++baseIndex,
+				(photo.type() == mtpc_photo
+					? photo.c_photo().vdate.v
+					: TimeId(0)));
 		result.list.push_back(ParsePhoto(photo, suggestedPath));
 	}
 	return result;
@@ -802,7 +824,8 @@ const Image &Media::thumb() const {
 Media ParseMedia(
 		ParseMediaContext &context,
 		const MTPMessageMedia &data,
-		const QString &folder) {
+		const QString &folder,
+		TimeId date) {
 	Expects(folder.isEmpty() || folder.endsWith(QChar('/')));
 
 	auto result = Media();
@@ -810,8 +833,9 @@ Media ParseMedia(
 		auto photo = data.has_photo()
 			? ParsePhoto(
 				data.vphoto,
-				folder + "photos/"
+				folder
-				"photo_" + QString::number(++context.photos) + ".jpg")
+				+ "photos/"
+				+ PreparePhotoFileName(++context.photos, date))
 			: Photo();
 		if (data.has_ttl_seconds()) {
 			result.ttl = data.vttl_seconds.v;
@@ -826,7 +850,7 @@ Media ParseMedia(
 		result.content = UnsupportedMedia();
 	}, [&](const MTPDmessageMediaDocument &data) {
 		auto document = data.has_document()
-			? ParseDocument(context, data.vdocument, folder)
+			? ParseDocument(context, data.vdocument, folder, date)
 			: Document();
 		if (data.has_ttl_seconds()) {
 			result.ttl = data.vttl_seconds.v;
@@ -851,7 +875,8 @@ Media ParseMedia(
 ServiceAction ParseServiceAction(
 		ParseMediaContext &context,
 		const MTPMessageAction &data,
-		const QString &mediaFolder) {
+		const QString &mediaFolder,
+		TimeId date) {
 	auto result = ServiceAction();
 	data.match([&](const MTPDmessageActionChatCreate &data) {
 		auto content = ActionChatCreate();
@@ -869,8 +894,9 @@ ServiceAction ParseServiceAction(
 		auto content = ActionChatEditPhoto();
 		content.photo = ParsePhoto(
 			data.vphoto,
-			mediaFolder + "photos/"
+			mediaFolder
-			"photo_" + QString::number(++context.photos) + ".jpg");
+			+ "photos/"
+			+ PreparePhotoFileName(++context.photos, date));
 		result.content = content;
 	}, [&](const MTPDmessageActionChatDeletePhoto &data) {
 		result.content = ActionChatDeletePhoto();
@@ -1083,7 +1109,8 @@ Message ParseMessage(
 			result.media = ParseMedia(
 				context,
 				data.vmedia,
-				mediaFolder);
+				mediaFolder,
+				result.date);
 			if (result.media.ttl && !data.is_out()) {
 				result.media.file() = File();
 				result.media.thumb().file = File();
@@ -1099,7 +1126,8 @@ Message ParseMessage(
 		result.action = ParseServiceAction(
 			context,
 			data.vaction,
-			mediaFolder);
+			mediaFolder,
+			result.date);
 	}, [&](const MTPDmessageEmpty &data) {
 		result.id = data.vid.v;
 	});

Telegram/SourceFiles/export/data/export_data_types.h

@@ -318,7 +318,8 @@ struct ParseMediaContext {
 Media ParseMedia(
 	ParseMediaContext &context,
 	const MTPMessageMedia &data,
-	const QString &folder);
+	const QString &folder,
+	TimeId date);
 
 struct ActionChatCreate {
 	Utf8String title;