Fixed scheduled sending text messages until online when user is online.

Telegram/SourceFiles/data/data_scheduled_messages.cpp

@@ -14,6 +14,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "main/main_session.h"
 #include "history/history.h"
 #include "history/history_item_components.h"
+#include "history/history_message.h"
 #include "apiwrap.h"
 
 namespace Data {
@@ -116,6 +117,56 @@ int ScheduledMessages::count(not_null<History*> history) const {
 	return (i != end(_data)) ? i->second.items.size() : 0;
 }
 
+void ScheduledMessages::sendNowSimpleMessage(
+	const MTPDupdateShortSentMessage &update,
+	not_null<HistoryItem*> local) {
+	Expects(local->isSending());
+	Expects(local->isScheduled());
+	Expects(local->date() == kScheduledUntilOnlineTimestamp);
+
+	// When the user sends a text message scheduled until online
+	// while the recipient is already online, the server sends
+	// updateShortSentMessage to the client and the client calls this method.
+	// Since such messages can only be sent to recipients,
+	// we know for sure that a message can't have fields such as the author,
+	// views count, etc.
+
+	const auto &history = local->history();
+	auto flags = NewMessageFlags(history->peer)
+		| MTPDmessage::Flag::f_entities
+		| MTPDmessage::Flag::f_from_id
+		| (local->replyToId()
+			? MTPDmessage::Flag::f_reply_to_msg_id
+			: MTPDmessage::Flag(0));
+	auto clientFlags = NewMessageClientFlags()
+		| MTPDmessage_ClientFlag::f_local_history_entry;
+
+	history->addNewMessage(
+		MTP_message(
+			MTP_flags(flags),
+			update.vid(),
+			MTP_int(_session->userId()),
+			peerToMTP(history->peer->id),
+			MTPMessageFwdHeader(),
+			MTPint(),
+			MTP_int(local->replyToId()),
+			update.vdate(),
+			MTP_string(local->originalText().text),
+			MTP_messageMediaEmpty(),
+			MTPReplyMarkup(),
+			Api::EntitiesToMTP(local->originalText().entities),
+			MTP_int(1),
+			MTPint(),
+			MTP_string(),
+			MTPlong(),
+			//MTPMessageReactions(),
+			MTPVector<MTPRestrictionReason>()),
+		clientFlags,
+		NewMessageType::Unread);
+
+	local->destroy();
+}
+
 void ScheduledMessages::apply(const MTPDupdateNewScheduledMessage &update) {
 	const auto &message = update.vmessage();
 	const auto peer = PeerFromMessage(message);

Telegram/SourceFiles/data/data_scheduled_messages.h

@@ -41,6 +41,10 @@ public:
 	void appendSending(not_null<HistoryItem*> item);
 	void removeSending(not_null<HistoryItem*> item);
 
+	void sendNowSimpleMessage(
+		const MTPDupdateShortSentMessage &update,
+		not_null<HistoryItem*> local);
+
 	[[nodiscard]] rpl::producer<> updates(not_null<History*> history);
 	[[nodiscard]] Data::MessagesSlice list(not_null<History*> history);
 

Telegram/SourceFiles/mainwidget.cpp

@@ -3799,14 +3799,19 @@ void MainWidget::feedUpdates(const MTPUpdates &updates, uint64 randomId) {
 		if (!IsServerMsgId(d.vid().v)) {
 			LOG(("API Error: Bad msgId got from server: %1").arg(d.vid().v));
 		} else if (randomId) {
-			const auto sent = session().data().messageSentData(randomId);
+			auto &owner = session().data();
+			const auto sent = owner.messageSentData(randomId);
 			const auto lookupMessage = [&] {
 				return sent.peerId
-					? session().data().message(
-						peerToChannel(sent.peerId),
-						d.vid().v)
+					? owner.message(peerToChannel(sent.peerId), d.vid().v)
 					: nullptr;
 			};
+			if (const auto id = owner.messageIdByRandomId(randomId)) {
+				if (const auto local = owner.message(id);
+					local->isScheduled()) {
+					owner.scheduledMessages().sendNowSimpleMessage(d, local);
+				}
+			}
 			const auto wasAlready = (lookupMessage() != nullptr);
 			feedUpdate(MTP_updateMessageID(d.vid(), MTP_long(randomId))); // ignore real date
 			if (const auto item = lookupMessage()) {