Supported ephemeral media replies to bots.

Telegram/SourceFiles/api/api_sending.cpp

@@ -19,6 +19,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_file_origin.h"
 #include "data/data_histories.h"
 #include "data/data_changes.h"
+#include "data/components/ephemeral_messages.h"
 #include "data/stickers/data_stickers.h"
 #include "history/history.h"
 #include "history/history_item.h"
@@ -183,6 +184,12 @@ void SendExistingMedia(
 		flags |= MessageFlag::HasReplyInfo;
 		sendFlags |= MTPmessages_SendMedia::Flag::f_reply_to;
 	}
+	if (!action.options.scheduled
+		&& !action.options.shortcutId
+		&& session->ephemeralMessages().isEphemeralBotReply(
+			action.replyTo.messageId)) {
+		flags |= MessageFlag::Ephemeral;
+	}
 	const auto silentPost = ShouldSendSilent(peer, action.options);
 	InnerFillMessagePostFlags(action.options, peer, flags);
 	if (silentPost) {
@@ -236,7 +243,7 @@ void SendExistingMedia(
 
 	session->data().registerMessageRandomId(randomId, newId);
 
-	history->addNewLocalMessage({
+	const auto item = history->addNewLocalMessage({
 		.id = newId.msg,
 		.flags = flags,
 		.from = NewMessageFromId(action),
@@ -251,6 +258,11 @@ void SendExistingMedia(
 		.mediaSpoiler = action.options.mediaSpoiler,
 	}, media, caption);
 
+	if (session->ephemeralMessages().sendMedia(item, inputMedia())) {
+		api->finishForwarding(action);
+		return;
+	}
+
 	const auto performRequest = [=](const auto &repeatRequest) -> void {
 		auto &histories = history->owner().histories();
 		const auto session = &history->session();
@@ -587,6 +599,14 @@ void SendConfirmedFile(
 	if (file->to.replyTo) {
 		flags |= MessageFlag::HasReplyInfo;
 	}
+	if (!isEditing
+		&& !groupId
+		&& !file->to.options.scheduled
+		&& !file->to.options.shortcutId
+		&& session->ephemeralMessages().isEphemeralBotReply(
+			file->to.replyTo.messageId)) {
+		flags |= MessageFlag::Ephemeral;
+	}
 	FillMessagePostFlags(action, peer, flags);
 	if (file->to.options.scheduled) {
 		flags |= MessageFlag::IsOrWasScheduled;