Update API scheme on layer 143 + transcribe.

Telegram/SourceFiles/api/api_transcribes.cpp

@@ -0,0 +1,97 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "api/api_transcribes.h"
+
+#include "history/history_item.h"
+#include "history/history.h"
+#include "main/main_session.h"
+#include "data/data_session.h"
+#include "data/data_peer.h"
+#include "apiwrap.h"
+
+namespace Api {
+
+Transcribes::Transcribes(not_null<ApiWrap*> api)
+: _session(&api->session())
+, _api(&api->instance()) {
+}
+
+void Transcribes::toggle(not_null<HistoryItem*> item) {
+	const auto id = item->fullId();
+	auto i = _map.find(id);
+	if (i == _map.end()) {
+		load(item);
+		//_session->data().requestItemRepaint(item);
+		_session->data().requestItemResize(item);
+	} else if (!i->second.requestId) {
+		i->second.shown = !i->second.shown;
+		_session->data().requestItemResize(item);
+	}
+}
+
+const Transcribes::Entry &Transcribes::entry(
+		not_null<HistoryItem*> item) const {
+	static auto empty = Entry();
+	const auto i = _map.find(item->fullId());
+	return (i != _map.end()) ? i->second : empty;
+}
+
+void Transcribes::apply(const MTPDupdateTranscribeAudio &update) {
+	const auto id = update.vtranscription_id().v;
+	const auto i = _ids.find(id);
+	if (i == _ids.end()) {
+		return;
+	}
+	const auto j = _map.find(i->second);
+	if (j == _map.end()) {
+		return;
+	}
+	const auto text = qs(update.vtext());
+	j->second.result = text;
+	j->second.pending = !update.is_final();
+	if (const auto item = _session->data().message(i->second)) {
+		_session->data().requestItemResize(item);
+	}
+}
+
+void Transcribes::load(not_null<HistoryItem*> item) {
+	if (!item->isHistoryEntry() || item->isLocal()) {
+		return;
+	}
+	const auto id = item->fullId();
+	const auto requestId = _api.request(MTPmessages_TranscribeAudio(
+		item->history()->peer->input,
+		MTP_int(item->id)
+	)).done([=](const MTPmessages_TranscribedAudio &result) {
+		result.match([&](const MTPDmessages_transcribedAudio &data) {
+			auto &entry = _map[id];
+			entry.requestId = 0;
+			entry.pending = data.is_pending();
+			entry.result = qs(data.vtext());
+			_ids.emplace(data.vtranscription_id().v, id);
+			if (const auto item = _session->data().message(id)) {
+				_session->data().requestItemResize(item);
+			}
+		});
+	}).fail([=] {
+		auto &entry = _map[id];
+		entry.requestId = 0;
+		entry.pending = false;
+		entry.failed = true;
+		if (const auto item = _session->data().message(id)) {
+			_session->data().requestItemResize(item);
+		}
+	}).send();
+	auto &entry = _map.emplace(id).first->second;
+	entry.requestId = requestId;
+	entry.shown = true;
+	entry.failed = false;
+	entry.pending = false;
+}
+
+} // namespace Api

Telegram/SourceFiles/api/api_transcribes.h

@@ -0,0 +1,48 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "mtproto/sender.h"
+
+class ApiWrap;
+
+namespace Main {
+class Session;
+} // namespace Main
+
+namespace Api {
+
+class Transcribes final {
+public:
+	explicit Transcribes(not_null<ApiWrap*> api);
+
+	struct Entry {
+		QString result;
+		bool shown = false;
+		bool failed = false;
+		bool pending = false;
+		mtpRequestId requestId = 0;
+	};
+
+	void toggle(not_null<HistoryItem*> item);
+	[[nodiscard]] const Entry &entry(not_null<HistoryItem*> item) const;
+
+	void apply(const MTPDupdateTranscribeAudio &update);
+
+private:
+	void load(not_null<HistoryItem*> item);
+
+	const not_null<Main::Session*> _session;
+	MTP::Sender _api;
+
+	base::flat_map<FullMsgId, Entry> _map;
+	base::flat_map<uint64, FullMsgId> _ids;
+
+};
+
+} // namespace Api

Telegram/SourceFiles/api/api_updates.cpp

@@ -13,6 +13,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "api/api_text_entities.h"
 #include "api/api_user_privacy.h"
 #include "api/api_unread_things.h"
+#include "api/api_transcribes.h"
 #include "main/main_session.h"
 #include "main/main_account.h"
 #include "mtproto/mtp_instance.h"
@@ -2387,6 +2388,11 @@ void Updates::feedUpdate(const MTPUpdate &update) {
 		session().api().ringtones().applyUpdate();
 	} break;
 
+	case mtpc_updateTranscribeAudio: {
+		const auto &data = update.c_updateTranscribeAudio();
+		_session->api().transcribes().apply(data);
+	}
+
 	}
 }