Show emoji status in chats list / top bar.

Telegram/SourceFiles/data/data_session.cpp

@@ -400,6 +400,11 @@ ChannelData *Session::channelLoaded(ChannelId id) const {
 	return nullptr;
 }
 
+AssertIsDebug();
+base::flat_map<
+	not_null<Data::Session*>,
+	base::flat_set<not_null<DocumentData*>>> Emojis;
+
 not_null<UserData*> Session::processUser(const MTPUser &data) {
 	const auto result = user(data.match([](const auto &data) {
 		return data.vid().v;
@@ -554,6 +559,26 @@ not_null<UserData*> Session::processUser(const MTPUser &data) {
 			}
 			status = data.vstatus();
 		}
+		if (const auto &status = data.vemoji_status()) {
+			result->setEmojiStatus(status->match([&](
+					const MTPDemojiStatus &data) {
+				return DocumentId(data.vdocument_id().v);
+			}, [&](const MTPDemojiStatusEmpty &) {
+				//return DocumentId();
+				auto &emojis = Emojis[this];
+				return emojis.empty()
+					? DocumentId()
+					: (*(emojis.begin()
+						+ base::RandomIndex(emojis.size())))->id;
+			}));
+		} else {
+			//result->setEmojiStatus(0);
+			auto &emojis = Emojis[this];
+			result->setEmojiStatus(emojis.empty()
+				? DocumentId()
+				: (*(emojis.begin()
+					+ base::RandomIndex(emojis.size())))->id);
+		}
 		if (!minimal) {
 			if (const auto botInfoVersion = data.vbot_info_version()) {
 				result->setBotInfoVersion(botInfoVersion->v);
@@ -2943,6 +2968,23 @@ void Session::documentApplyFields(
 	if (dc != 0 && access != 0) {
 		document->setRemoteLocation(dc, access, fileReference);
 	}
+
+	AssertIsDebug();
+	if (document->isPremiumEmoji()) {
+		auto &emojis = Emojis[this];
+		if (emojis.emplace(document).second) {
+			const auto size = int(emojis.size());
+			crl::on_main(_session, [=] {
+				for (auto &[id, peer] : _peers) {
+					if (const auto user = peer->asUser()) {
+						if (user->isPremium() && !base::RandomIndex(size)) {
+							user->setEmojiStatus(document->id);
+						}
+					}
+				}
+			});
+		}
+	}
 }
 
 not_null<WebPageData*> Session::webpage(WebPageId id) {