Inform about join request being sent.

Telegram/Resources/langs/lang.strings

@@ -2933,6 +2933,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_view_button_message" = "View message";
 "lng_view_button_voice_chat" = "Voice chat";
 "lng_view_button_voice_chat_channel" = "Live stream";
+"lng_view_button_request_join" = "Request to Join";
 
 "lng_sponsored_title" = "What are sponsored messages?";
 "lng_sponsored_info_description1" = "Unlike other apps, Telegram never uses your private data to target ads. Sponsored messages on Telegram are based solely on the topic of the public channels in which they are shown. This means that no user data is mined or analyzed to display ads, and every user viewing a channel on Telegram sees the same sponsored messages.\n\nUnlike other apps, Telegram doesn't track whether you tapped on a sponsored message and doesn't profile you based on your activity. We also prevent external links in sponsored messages to ensure that third parties can’t spy on our users. We believe that everyone has the right to privacy, and technological platforms should respect that.\n\nTelegram offers a free and unlimited service to hundreds of millions of users, which involves significant server and traffic costs. In order to remain independent and stay true to its values, Telegram developed a paid tool to promote messages with user privacy in mind. We welcome responsible advertisers at:";

Telegram/SourceFiles/api/api_chat_invite.cpp

@@ -38,11 +38,12 @@ void CheckChatInvite(
 			if (!strongController) {
 				return;
 			}
+			const auto isGroup = !data.is_broadcast();
 			const auto box = strongController->show(Box<ConfirmInviteBox>(
 				session,
 				data,
 				invitePeekChannel,
-				[=] { session->api().importChatInvite(hash); }));
+				[=] { session->api().importChatInvite(hash, isGroup); }));
 			if (invitePeekChannel) {
 				box->boxClosing(
 				) | rpl::filter([=] {
@@ -104,7 +105,8 @@ ConfirmInviteBox::ConfirmInviteBox(
 , _title(this, st::confirmInviteTitle)
 , _status(this, st::confirmInviteStatus)
 , _participants(GetParticipants(_session, data))
-, _isChannel(data.is_channel() && !data.is_megagroup()) {
+, _isChannel(data.is_channel() && !data.is_megagroup())
+, _requestApprove(data.is_request_needed()) {
 	const auto title = qs(data.vtitle());
 	const auto count = data.vparticipants_count().v;
 	const auto status = [&] {
@@ -166,7 +168,9 @@ auto ConfirmInviteBox::GetParticipants(
 
 void ConfirmInviteBox::prepare() {
 	addButton(
-		(_isChannel
+		(_requestApprove
+			? tr::lng_group_request_to_join()
+			: _isChannel
 			? tr::lng_profile_join_channel()
 			: tr::lng_profile_join_group()),
 		_submit);

Telegram/SourceFiles/api/api_chat_invite.h

@@ -72,6 +72,7 @@ private:
 	std::unique_ptr<Ui::EmptyUserpic> _photoEmpty;
 	std::vector<Participant> _participants;
 	bool _isChannel = false;
+	bool _requestApprove = false;
 
 	int _userWidth = 0;
 

Telegram/SourceFiles/api/api_updates.cpp

@@ -239,11 +239,12 @@ Updates::Updates(not_null<Main::Session*> session)
 	}).send();
 
 	using namespace rpl::mappers;
-	base::ObservableViewer(
-		api().fullPeerUpdated()
-	) | rpl::filter([](not_null<PeerData*> peer) {
-		return peer->isChat() || peer->isMegagroup();
-	}) | rpl::start_with_next([=](not_null<PeerData*> peer) {
+	session->changes().peerUpdates(
+		Data::PeerUpdate::Flag::FullInfo
+	) | rpl::filter([](const Data::PeerUpdate &update) {
+		return update.peer->isChat() || update.peer->isMegagroup();
+	}) | rpl::start_with_next([=](const Data::PeerUpdate &update) {
+		const auto peer = update.peer;
 		if (const auto list = _pendingSpeakingCallParticipants.take(peer)) {
 			if (const auto call = peer->groupCall()) {
 				for (const auto &[participantPeerId, when] : *list) {

Telegram/SourceFiles/apiwrap.cpp

@@ -74,6 +74,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/item_text_options.h"
 #include "ui/emoji_config.h"
 #include "ui/chat/attach/attach_prepare.h"
+#include "ui/toasts/common_toasts.h"
 #include "support/support_helper.h"
 #include "storage/localimageloader.h"
 #include "storage/download_manager_mtproto.h"
@@ -114,6 +115,7 @@ constexpr auto kStickersByEmojiInvalidateTimeout = crl::time(6 * 1000);
 constexpr auto kNotifySettingSaveTimeout = crl::time(1000);
 constexpr auto kDialogsFirstLoad = 20;
 constexpr auto kDialogsPerPage = 500;
+constexpr auto kJoinErrorDuration = 5 * crl::time(1000);
 
 using PhotoFileLocationId = Data::PhotoFileLocationId;
 using DocumentFileLocationId = Data::DocumentFileLocationId;
@@ -354,7 +356,7 @@ void ApiWrap::checkChatInvite(
 	)).done(std::move(done)).fail(std::move(fail)).send();
 }
 
-void ApiWrap::importChatInvite(const QString &hash) {
+void ApiWrap::importChatInvite(const QString &hash, bool isGroup) {
 	request(MTPmessages_ImportChatInvite(
 		MTP_string(hash)
 	)).done([=](const MTPUpdates &result) {
@@ -391,13 +393,20 @@ void ApiWrap::importChatInvite(const QString &hash) {
 		});
 	}).fail([=](const MTP::Error &error) {
 		const auto &type = error.type();
-		if (type == qstr("CHANNELS_TOO_MUCH")) {
-			Ui::show(Box<Ui::InformBox>(tr::lng_join_channel_error(tr::now)));
-		} else if (error.code() == 400) {
-			Ui::show(Box<Ui::InformBox>((type == qstr("USERS_TOO_MUCH"))
-				? tr::lng_group_invite_no_room(tr::now)
-				: tr::lng_group_invite_bad_link(tr::now)));
-		}
+		Ui::hideLayer();
+		Ui::ShowMultilineToast({ .text = { [&] {
+			if (type == qstr("INVITE_REQUEST_SENT")) {
+				return isGroup
+					? tr::lng_group_request_sent(tr::now)
+					: tr::lng_group_request_sent_channel(tr::now);
+			} else if (type == qstr("CHANNELS_TOO_MUCH")) {
+				return tr::lng_join_channel_error(tr::now);
+			} else if (type == qstr("USERS_TOO_MUCH")) {
+				return tr::lng_group_invite_no_room(tr::now);
+			} else {
+				return tr::lng_group_invite_bad_link(tr::now);
+			}
+		}() }, .duration = kJoinErrorDuration });
 	}).send();
 }
 
@@ -1096,7 +1105,9 @@ void ApiWrap::gotChatFull(
 			_fullPeerRequests.erase(i);
 		}
 	}
-	fullPeerUpdated().notify(peer);
+	_session->changes().peerUpdated(
+		peer,
+		Data::PeerUpdate::Flag::FullInfo);
 }
 
 void ApiWrap::gotUserFull(
@@ -1119,7 +1130,9 @@ void ApiWrap::gotUserFull(
 			_fullPeerRequests.erase(i);
 		}
 	}
-	fullPeerUpdated().notify(user);
+	_session->changes().peerUpdated(
+		user,
+		Data::PeerUpdate::Flag::FullInfo);
 }
 
 void ApiWrap::requestPeer(not_null<PeerData*> peer) {
@@ -1544,7 +1557,9 @@ void ApiWrap::applyLastParticipantsList(
 		(Data::PeerUpdate::Flag::Members | Data::PeerUpdate::Flag::Admins));
 
 	channel->mgInfo->botStatus = botStatus;
-	fullPeerUpdated().notify(channel);
+	_session->changes().peerUpdated(
+		channel,
+		Data::PeerUpdate::Flag::FullInfo);
 }
 
 void ApiWrap::applyBotsList(
@@ -1593,7 +1608,9 @@ void ApiWrap::applyBotsList(
 	}
 
 	channel->mgInfo->botStatus = botStatus;
-	fullPeerUpdated().notify(channel);
+	_session->changes().peerUpdated(
+		channel,
+		Data::PeerUpdate::Flag::FullInfo);
 }
 
 void ApiWrap::requestSelfParticipant(not_null<ChannelData*> channel) {
@@ -2078,20 +2095,35 @@ void ApiWrap::joinChannel(not_null<ChannelData*> channel) {
 			_channelAmInRequests.remove(channel);
 			applyUpdates(result);
 		}).fail([=](const MTP::Error &error) {
-			if (error.type() == qstr("CHANNEL_PRIVATE")
+			const auto &type = error.type();
+			if (type == qstr("CHANNEL_PRIVATE")
 				&& channel->invitePeekExpires()) {
 				channel->privateErrorReceived();
-			} else if (error.type() == qstr("CHANNEL_PRIVATE")
-				|| error.type() == qstr("CHANNEL_PUBLIC_GROUP_NA")
-				|| error.type() == qstr("USER_BANNED_IN_CHANNEL")) {
-				Ui::show(Box<Ui::InformBox>(channel->isMegagroup()
-					? tr::lng_group_not_accessible(tr::now)
-					: tr::lng_channel_not_accessible(tr::now)));
-			} else if (error.type() == qstr("CHANNELS_TOO_MUCH")) {
-				Ui::show(Box<Ui::InformBox>(
-					tr::lng_join_channel_error(tr::now)));
-			} else if (error.type() == qstr("USERS_TOO_MUCH")) {
-				Ui::show(Box<Ui::InformBox>(tr::lng_group_full(tr::now)));
+			} else {
+				const auto text = [&] {
+					if (type == qstr("INVITE_REQUEST_SENT")) {
+						return channel->isMegagroup()
+							? tr::lng_group_request_sent(tr::now)
+							: tr::lng_group_request_sent_channel(tr::now);
+					} else if (type == qstr("CHANNEL_PRIVATE")
+						|| type == qstr("CHANNEL_PUBLIC_GROUP_NA")
+						|| type == qstr("USER_BANNED_IN_CHANNEL")) {
+						return channel->isMegagroup()
+							? tr::lng_group_not_accessible(tr::now)
+							: tr::lng_channel_not_accessible(tr::now);
+					} else if (type == qstr("CHANNELS_TOO_MUCH")) {
+						return tr::lng_join_channel_error(tr::now);
+					} else if (type == qstr("USERS_TOO_MUCH")) {
+						return tr::lng_group_full(tr::now);
+					}
+					return QString();
+				}();
+				if (!text.isEmpty()) {
+					Ui::ShowMultilineToast({
+						.text = { text },
+						.duration = kJoinErrorDuration,
+					});
+				}
 			}
 			_channelAmInRequests.remove(channel);
 		}).send();
@@ -2194,7 +2226,7 @@ void ApiWrap::saveDraftToCloudDelayed(not_null<History*> history) {
 void ApiWrap::updatePrivacyLastSeens() {
 	const auto now = base::unixtime::now();
 	_session->data().enumerateUsers([&](UserData *user) {
-		if (user->isSelf() || !user->isFullLoaded()) {
+		if (user->isSelf() || !user->isLoaded()) {
 			return;
 		}
 		if (user->onlineTill <= 0) {

Telegram/SourceFiles/apiwrap.h

@@ -202,7 +202,7 @@ public:
 		const QString &hash,
 		FnMut<void(const MTPChatInvite &)> done,
 		Fn<void(const MTP::Error &)> fail);
-	void importChatInvite(const QString &hash);
+	void importChatInvite(const QString &hash, bool isGroup);
 
 	void requestChannelMembersForAdd(
 		not_null<ChannelData*> channel,
@@ -270,10 +270,6 @@ public:
 	void clearHistory(not_null<PeerData*> peer, bool revoke);
 	void deleteConversation(not_null<PeerData*> peer, bool revoke);
 
-	base::Observable<PeerData*> &fullPeerUpdated() {
-		return _fullPeerUpdated;
-	}
-
 	bool isQuitPrevent();
 
 	void jumpToDate(Dialogs::Key chat, const QDate &date);
@@ -663,8 +659,6 @@ private:
 	std::unique_ptr<TaskQueue> _fileLoader;
 	base::flat_map<uint64, std::shared_ptr<SendingAlbum>> _sendingAlbums;
 
-	base::Observable<PeerData*> _fullPeerUpdated;
-
 	mtpRequestId _topPromotionRequestId = 0;
 	std::pair<QString, uint32> _topPromotionKey;
 	TimeId _topPromotionNextRequestTime = TimeId(0);

Telegram/SourceFiles/boxes/add_contact_box.cpp

@@ -746,6 +746,7 @@ void GroupInfoBox::createChannel(
 						channel,
 						std::move(image));
 				}
+				channel->session().api().requestFullPeer(channel);
 				_createdChannel = channel;
 				checkInviteLink();
 			};
@@ -772,12 +773,19 @@ void GroupInfoBox::checkInviteLink() {
 
 	if (!_createdChannel->inviteLink().isEmpty()) {
 		channelReady();
-		return;
+	} else if (_createdChannel->isFullLoaded() && !_creatingInviteLink) {
+		_creatingInviteLink = true;
+		_createdChannel->session().api().inviteLinks().create(
+			_createdChannel,
+			crl::guard(this, [=](auto&&) { channelReady(); }));
+	} else {
+		_createdChannel->session().changes().peerUpdates(
+			_createdChannel,
+			Data::PeerUpdate::Flag::FullInfo
+		) | rpl::take(1) | rpl::start_with_next([=] {
+			checkInviteLink();
+		}, lifetime());
 	}
-	_creatingInviteLink = true;
-	_createdChannel->session().api().inviteLinks().create(
-		_createdChannel,
-		crl::guard(this, [=](auto&&) { channelReady(); }));
 }
 
 void GroupInfoBox::channelReady() {
@@ -871,6 +879,10 @@ SetupChannelBox::SetupChannelBox(
 void SetupChannelBox::prepare() {
 	_aboutPublicHeight = _aboutPublic.countHeight(_aboutPublicWidth);
 
+	if (_channel->inviteLink().isEmpty()) {
+		_channel->session().api().requestFullPeer(_channel);
+	}
+
 	setMouseTracking(true);
 
 	_checkRequestId = _api.request(MTPchannels_CheckUsername(
@@ -1068,13 +1080,14 @@ void SetupChannelBox::mouseMoveEvent(QMouseEvent *e) {
 }
 
 void SetupChannelBox::mousePressEvent(QMouseEvent *e) {
-	if (_linkOver) {
-		if (_channel->inviteLink().isEmpty()) {
-			_channel->session().api().inviteLinks().create(_channel);
-		} else {
-			QGuiApplication::clipboard()->setText(_channel->inviteLink());
-			Ui::Toast::Show(tr::lng_create_channel_link_copied(tr::now));
-		}
+	if (!_linkOver) {
+		return;
+	} else if (!_channel->inviteLink().isEmpty()) {
+		QGuiApplication::clipboard()->setText(_channel->inviteLink());
+		Ui::Toast::Show(tr::lng_create_channel_link_copied(tr::now));
+	} else if (_channel->isFullLoaded() && !_creatingInviteLink) {
+		_creatingInviteLink = true;
+		_channel->session().api().inviteLinks().create(_channel);
 	}
 }
 

Telegram/SourceFiles/boxes/add_contact_box.h

@@ -191,6 +191,7 @@ private:
 	MTP::Sender _api;
 
 	bool _existing = false;
+	bool _creatingInviteLink = false;
 
 	std::shared_ptr<Ui::RadioenumGroup<Privacy>> _privacyGroup;
 	object_ptr<Ui::Radioenum<Privacy>> _public;

Telegram/SourceFiles/boxes/max_invite_box.cpp

@@ -71,6 +71,9 @@ void MaxInviteBox::prepare() {
 			+ st::boxTextFont->height * 2
 			+ st::newGroupLinkPadding.bottom());
 
+	if (_channel->inviteLink().isEmpty()) {
+		_channel->session().api().requestFullPeer(_channel);
+	}
 	_channel->session().changes().peerUpdates(
 		_channel,
 		Data::PeerUpdate::Flag::InviteLinks
@@ -86,11 +89,12 @@ void MaxInviteBox::mouseMoveEvent(QMouseEvent *e) {
 void MaxInviteBox::mousePressEvent(QMouseEvent *e) {
 	mouseMoveEvent(e);
 	if (_linkOver) {
-		if (_channel->inviteLink().isEmpty()) {
-			_channel->session().api().inviteLinks().create(_channel);
-		} else {
+		if (!_channel->inviteLink().isEmpty()) {
 			QGuiApplication::clipboard()->setText(_channel->inviteLink());
 			Ui::Toast::Show(tr::lng_create_channel_link_copied(tr::now));
+		} else if (_channel->isFullLoaded() && !_creatingInviteLink) {
+			_creatingInviteLink = true;
+			_channel->session().api().inviteLinks().create(_channel);
 		}
 	}
 }

Telegram/SourceFiles/boxes/max_invite_box.h

@@ -32,6 +32,7 @@ private:
 
 	QRect _invitationLink;
 	bool _linkOver = false;
+	bool _creatingInviteLink = false;
 
 	QPoint _lastMousePos;
 

Telegram/SourceFiles/boxes/peers/edit_linked_chat_box.cpp

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_keys.h"
 #include "data/data_channel.h"
 #include "data/data_chat.h"
+#include "data/data_changes.h"
 #include "ui/widgets/labels.h"
 #include "ui/widgets/buttons.h"
 #include "ui/wrap/vertical_layout.h"
@@ -63,12 +64,12 @@ Controller::Controller(
 , _chat(chat)
 , _chats(std::move(chats))
 , _callback(std::move(callback)) {
-	base::ObservableViewer(
-		channel->session().api().fullPeerUpdated()
-	) | rpl::start_with_next([=](PeerData *peer) {
-		if (peer == _waitForFull) {
-			choose(std::exchange(_waitForFull, nullptr));
-		}
+	channel->session().changes().peerUpdates(
+		Data::PeerUpdate::Flag::FullInfo
+	) | rpl::filter([=](const Data::PeerUpdate &update) {
+		return (update.peer == _waitForFull);
+	}) | rpl::start_with_next([=](const Data::PeerUpdate &update) {
+		choose(std::exchange(_waitForFull, nullptr));
 	}, lifetime());
 }
 

Telegram/SourceFiles/boxes/peers/edit_peer_invite_link.cpp

@@ -518,7 +518,7 @@ void Controller::loadMoreRows() {
 		MTP_flags(0),
 		_peer->input,
 		MTP_string(_link),
-		MTPstring(), // q // #TODO requests
+		MTPstring(), // q
 		MTP_int(_lastUser ? _lastUser->date : 0),
 		_lastUser ? _lastUser->user->inputUser : MTP_inputUserEmpty(),
 		MTP_int(_lastUser ? kPerPage : kFirstPage)

Telegram/SourceFiles/calls/group/calls_group_settings.cpp

@@ -584,7 +584,12 @@ void SettingsBox(
 			}
 			return false;
 		};
-		if (!lookupLink().isEmpty() || canCreateLink()) {
+		const auto alreadyHasLink = !lookupLink().isEmpty();
+		if (alreadyHasLink || canCreateLink()) {
+			if (!alreadyHasLink) {
+				// Request invite link.
+				peer->session().api().requestFullPeer(peer);
+			}
 			const auto copyLink = [=] {
 				const auto link = lookupLink();
 				if (link.isEmpty()) {

Telegram/SourceFiles/data/data_changes.h

@@ -64,38 +64,39 @@ struct PeerUpdate {
 		ChatThemeEmoji    = (1ULL << 7),
 		IsBlocked         = (1ULL << 8),
 		MessagesTTL       = (1ULL << 9),
+		FullInfo          = (1ULL << 10),
 
 		// For users
-		CanShareContact   = (1ULL << 10),
-		IsContact         = (1ULL << 11),
-		PhoneNumber       = (1ULL << 12),
-		OnlineStatus      = (1ULL << 13),
-		BotCommands       = (1ULL << 14),
-		BotCanBeInvited   = (1ULL << 15),
-		BotStartToken     = (1ULL << 16),
-		CommonChats       = (1ULL << 17),
-		HasCalls          = (1ULL << 18),
-		SupportInfo       = (1ULL << 19),
-		IsBot             = (1ULL << 20),
+		CanShareContact   = (1ULL << 11),
+		IsContact         = (1ULL << 12),
+		PhoneNumber       = (1ULL << 13),
+		OnlineStatus      = (1ULL << 14),
+		BotCommands       = (1ULL << 15),
+		BotCanBeInvited   = (1ULL << 16),
+		BotStartToken     = (1ULL << 17),
+		CommonChats       = (1ULL << 18),
+		HasCalls          = (1ULL << 19),
+		SupportInfo       = (1ULL << 20),
+		IsBot             = (1ULL << 21),
 
 		// For chats and channels
-		InviteLinks       = (1ULL << 21),
-		Members           = (1ULL << 22),
-		Admins            = (1ULL << 23),
-		BannedUsers       = (1ULL << 24),
-		Rights            = (1ULL << 25),
-		PendingRequests   = (1ULL << 26),
+		InviteLinks       = (1ULL << 22),
+		Members           = (1ULL << 23),
+		Admins            = (1ULL << 24),
+		BannedUsers       = (1ULL << 25),
+		Rights            = (1ULL << 26),
+		PendingRequests   = (1ULL << 27),
 
 		// For channels
-		ChannelAmIn       = (1ULL << 27),
-		StickersSet       = (1ULL << 28),
-		ChannelLinkedChat = (1ULL << 29),
-		ChannelLocation   = (1ULL << 30),
-		Slowmode          = (1ULL << 31),
-		GroupCall         = (1ULL << 32),
+		ChannelAmIn       = (1ULL << 28),
+		StickersSet       = (1ULL << 29),
+		ChannelLinkedChat = (1ULL << 30),
+		ChannelLocation   = (1ULL << 31),
+		Slowmode          = (1ULL << 32),
+		GroupCall         = (1ULL << 33),
 
 		// For iteration
-		LastUsedBit       = (1ULL << 32),
+		LastUsedBit       = (1ULL << 33),
 	};
 	using Flags = base::flags<Flag>;
 	friend inline constexpr auto is_flag_type(Flag) { return true; }

Telegram/SourceFiles/data/data_peer.cpp

@@ -643,6 +643,7 @@ void PeerData::updateFullForced() {
 
 void PeerData::fullUpdated() {
 	_lastFullUpdate = crl::now();
+	setLoadedStatus(LoadedStatus::Full);
 }
 
 UserData *PeerData::asUser() {

Telegram/SourceFiles/data/data_peer.h

@@ -440,6 +440,7 @@ public:
 	enum class LoadedStatus : char {
 		Not,
 		Minimal,
+		Normal,
 		Full,
 	};
 	[[nodiscard]] LoadedStatus loadedStatus() const {
@@ -448,6 +449,9 @@ public:
 	[[nodiscard]] bool isMinimalLoaded() const {
 		return (loadedStatus() != LoadedStatus::Not);
 	}
+	[[nodiscard]] bool isLoaded() const {
+		return (loadedStatus() == LoadedStatus::Normal) || isFullLoaded();
+	}
 	[[nodiscard]] bool isFullLoaded() const {
 		return (loadedStatus() == LoadedStatus::Full);
 	}

Telegram/SourceFiles/data/data_session.cpp

@@ -348,7 +348,7 @@ PeerData *Session::peerLoaded(PeerId id) const {
 	const auto i = _peers.find(id);
 	if (i == end(_peers)) {
 		return nullptr;
-	} else if (!i->second->isFullLoaded()) {
+	} else if (!i->second->isLoaded()) {
 		return nullptr;
 	}
 	return i->second.get();
@@ -556,9 +556,9 @@ not_null<UserData*> Session::processUser(const MTPUser &data) {
 		if (!result->isMinimalLoaded()) {
 			result->setLoadedStatus(PeerData::LoadedStatus::Minimal);
 		}
-	} else if (!result->isFullLoaded()
+	} else if (!result->isLoaded()
 		&& (!result->isSelf() || !result->phone().isEmpty())) {
-		result->setLoadedStatus(PeerData::LoadedStatus::Full);
+		result->setLoadedStatus(PeerData::LoadedStatus::Normal);
 	}
 
 	if (status && !minimal) {
@@ -680,7 +680,7 @@ not_null<PeerData*> Session::processChat(const MTPChat &data) {
 		const auto channel = result->asChannel();
 
 		minimal = data.is_min();
-		if (minimal && !result->isFullLoaded()) {
+		if (minimal && !result->isLoaded()) {
 			LOG(("API Warning: not loaded minimal channel applied."));
 		}
 
@@ -825,8 +825,8 @@ not_null<PeerData*> Session::processChat(const MTPChat &data) {
 		if (!result->isMinimalLoaded()) {
 			result->setLoadedStatus(PeerData::LoadedStatus::Minimal);
 		}
-	} else if (!result->isFullLoaded()) {
-		result->setLoadedStatus(PeerData::LoadedStatus::Full);
+	} else if (!result->isLoaded()) {
+		result->setLoadedStatus(PeerData::LoadedStatus::Normal);
 	}
 	if (flags) {
 		session().changes().peerUpdated(result, flags);
@@ -1171,7 +1171,7 @@ void Session::setupUserIsContactViewer() {
 				requestViewResize(view);
 			}
 		}
-		if (!user->isFullLoaded()) {
+		if (!user->isLoaded()) {
 			LOG(("API Error: "
 				"userIsContactChanged() called for a not loaded user!"));
 			return;

Telegram/SourceFiles/data/data_web_page.cpp

@@ -149,12 +149,18 @@ WebPageType ParseWebPageType(
 		return WebPageType::Theme;
 	} else if (type == qstr("telegram_channel")) {
 		return WebPageType::Channel;
+	} else if (type == qstr("telegram_channel_request")) {
+		return WebPageType::ChannelWithRequest;
+	} else if (type == qstr("telegram_megagroup")
+		|| type == qstr("telegram_chat")) {
+		return WebPageType::Group;
+	} else if (type == qstr("telegram_megagroup_request")
+		|| type == qstr("telegram_chat_request")) {
+		return WebPageType::GroupWithRequest;
 	}  else if (type == qstr("telegram_message")) {
 		return WebPageType::Message;
 	}  else if (type == qstr("telegram_bot")) {
 		return WebPageType::Bot;
-	}  else if (type == qstr("telegram_megagroup")) {
-		return WebPageType::Group;
 	}  else if (type == qstr("telegram_voicechat")) {
 		return WebPageType::VoiceChat;
 	}  else if (type == qstr("telegram_livestream")) {

Telegram/SourceFiles/data/data_web_page.h

@@ -20,7 +20,9 @@ enum class WebPageType {
 	Message,
 
 	Group,
+	GroupWithRequest,
 	Channel,
+	ChannelWithRequest,
 
 	Photo,
 	Video,

Telegram/SourceFiles/history/history_widget.cpp

@@ -651,6 +651,7 @@ HistoryWidget::HistoryWidget(
 		| PeerUpdateFlag::BotStartToken
 		| PeerUpdateFlag::MessagesTTL
 		| PeerUpdateFlag::ChatThemeEmoji
+		| PeerUpdateFlag::FullInfo
 	) | rpl::filter([=](const Data::PeerUpdate &update) {
 		return (update.peer.get() == _peer);
 	}) | rpl::map([](const Data::PeerUpdate &update) {
@@ -720,6 +721,9 @@ HistoryWidget::HistoryWidget(
 				}, _list->lifetime());
 			}
 		}
+		if (flags & PeerUpdateFlag::FullInfo) {
+			fullInfoUpdated();
+		}
 	}, lifetime());
 
 	rpl::merge(
@@ -1264,9 +1268,6 @@ void HistoryWidget::start() {
 		updateStickersByEmoji();
 	}, lifetime());
 	session().data().stickers().notifySavedGifsUpdated();
-	subscribe(session().api().fullPeerUpdated(), [this](PeerData *peer) {
-		fullPeerUpdated(peer);
-	});
 }
 
 void HistoryWidget::insertMention(UserData *user) {
@@ -6585,9 +6586,9 @@ void HistoryWidget::updatePreview() {
 	update();
 }
 
-void HistoryWidget::fullPeerUpdated(PeerData *peer) {
+void HistoryWidget::fullInfoUpdated() {
 	auto refresh = false;
-	if (_list && peer == _peer) {
+	if (_list) {
 		auto newCanSendMessages = _peer->canWrite();
 		if (newCanSendMessages != _canSendMessages) {
 			_canSendMessages = newCanSendMessages;

Telegram/SourceFiles/history/history_widget.h

@@ -381,7 +381,7 @@ private:
 	[[nodiscard]] SendMenu::Type sendMenuType() const;
 	[[nodiscard]] SendMenu::Type sendButtonMenuType() const;
 	void handlePendingHistoryUpdate();
-	void fullPeerUpdated(PeerData *peer);
+	void fullInfoUpdated();
 	void toggleTabbedSelectorMode();
 	void recountChatWidth();
 	void historyDownClicked();

Telegram/SourceFiles/history/view/controls/history_view_compose_controls.cpp

@@ -2272,6 +2272,7 @@ void ComposeControls::initWebpageProcess() {
 		Data::PeerUpdate::Flag::Rights
 		| Data::PeerUpdate::Flag::Notifications
 		| Data::PeerUpdate::Flag::MessagesTTL
+		| Data::PeerUpdate::Flag::FullInfo
 	) | rpl::filter([=](const Data::PeerUpdate &update) {
 		return (update.peer.get() == peer);
 	}) | rpl::map([](const Data::PeerUpdate &update) {
@@ -2288,16 +2289,11 @@ void ComposeControls::initWebpageProcess() {
 		if (flags & Data::PeerUpdate::Flag::MessagesTTL) {
 			updateMessagesTTLShown();
 		}
-	}, lifetime);
-
-	base::ObservableViewer(
-		session().api().fullPeerUpdated()
-	) | rpl::filter([=](PeerData *peer) {
-		return _history && (_history->peer == peer);
-	}) | rpl::start_with_next([=] {
-		if (updateBotCommandShown()) {
-			updateControlsVisibility();
-			updateControlsGeometry(_wrap->size());
+		if (flags & Data::PeerUpdate::Flag::FullInfo) {
+			if (updateBotCommandShown()) {
+				updateControlsVisibility();
+				updateControlsGeometry(_wrap->size());
+			}
 		}
 	}, lifetime);
 

Telegram/SourceFiles/history/view/history_view_view_button.cpp

@@ -57,6 +57,9 @@ inline auto WebPageToPhrase(not_null<WebPageData*> webpage) {
 		? tr::lng_view_button_background(tr::now)
 		: (type == WebPageType::Channel)
 		? tr::lng_view_button_channel(tr::now)
+		: (type == WebPageType::GroupWithRequest
+			|| type == WebPageType::ChannelWithRequest)
+		? tr::lng_view_button_request_join(tr::now)
 		: (type == WebPageType::VoiceChat)
 		? tr::lng_view_button_voice_chat(tr::now)
 		: (type == WebPageType::Livestream)

Telegram/SourceFiles/main/main_session.cpp

@@ -69,13 +69,13 @@ Session::Session(
 	std::unique_ptr<SessionSettings> settings)
 : _account(account)
 , _settings(std::move(settings))
+, _changes(std::make_unique<Data::Changes>(this))
 , _api(std::make_unique<ApiWrap>(this))
 , _updates(std::make_unique<Api::Updates>(this))
 , _sendProgressManager(std::make_unique<Api::SendProgressManager>(this))
 , _downloader(std::make_unique<Storage::DownloadManagerMtproto>(_api.get()))
 , _uploader(std::make_unique<Storage::Uploader>(_api.get()))
 , _storage(std::make_unique<Storage::Facade>())
-, _changes(std::make_unique<Data::Changes>(this))
 , _data(std::make_unique<Data::Session>(this))
 , _user(_data->processUser(user))
 , _emojiStickersPack(std::make_unique<Stickers::EmojiPack>(this))

Telegram/SourceFiles/main/main_session.h

@@ -83,6 +83,9 @@ public:
 	}
 	bool validateSelf(const MTPUser &user);
 
+	[[nodiscard]] Data::Changes &changes() const {
+		return *_changes;
+	}
 	[[nodiscard]] Api::Updates &updates() const {
 		return *_updates;
 	}
@@ -104,9 +107,6 @@ public:
 	[[nodiscard]] Stickers::DicePacks &diceStickersPacks() const {
 		return *_diceStickersPacks;
 	}
-	[[nodiscard]] Data::Changes &changes() const {
-		return *_changes;
-	}
 	[[nodiscard]] Data::Session &data() const {
 		return *_data;
 	}
@@ -165,6 +165,7 @@ private:
 	const not_null<Account*> _account;
 
 	const std::unique_ptr<SessionSettings> _settings;
+	const std::unique_ptr<Data::Changes> _changes;
 	const std::unique_ptr<ApiWrap> _api;
 	const std::unique_ptr<Api::Updates> _updates;
 	const std::unique_ptr<Api::SendProgressManager> _sendProgressManager;
@@ -173,7 +174,6 @@ private:
 	const std::unique_ptr<Storage::Facade> _storage;
 
 	// _data depends on _downloader / _uploader.
-	const std::unique_ptr<Data::Changes> _changes;
 	const std::unique_ptr<Data::Session> _data;
 	const not_null<UserData*> _user;
 

Telegram/SourceFiles/storage/serialize_peer.cpp

@@ -206,10 +206,10 @@ PeerData *readPeer(
 	const auto loaded = (peerId == selfId)
 		? session->user().get()
 		: session->data().peerLoaded(peerId);
-	const auto apply = !loaded || !loaded->isFullLoaded();
+	const auto apply = !loaded || !loaded->isLoaded();
 	const auto result = loaded ? loaded : session->data().peer(peerId).get();
 	if (apply) {
-		result->setLoadedStatus(PeerData::LoadedStatus::Full);
+		result->setLoadedStatus(PeerData::LoadedStatus::Normal);
 	}
 	if (const auto user = result->asUser()) {
 		QString first, last, phone, username, inlinePlaceholder;

Telegram/SourceFiles/window/window_session_controller.cpp

@@ -553,13 +553,12 @@ SessionController::SessionController(
 		enableGifPauseReason(GifPauseReason::RoundPlaying);
 	}
 
-	base::ObservableViewer(
-		session->api().fullPeerUpdated()
-	) | rpl::start_with_next([=](PeerData *peer) {
-		if (peer == _showEditPeer) {
-			_showEditPeer = nullptr;
-			show(Box<EditPeerInfoBox>(this, peer));
-		}
+	session->changes().peerUpdates(
+		Data::PeerUpdate::Flag::FullInfo
+	) | rpl::filter([=](const Data::PeerUpdate &update) {
+		return (update.peer == _showEditPeer);
+	}) | rpl::start_with_next([=] {
+		show(Box<EditPeerInfoBox>(this, base::take(_showEditPeer)));
 	}, lifetime());
 
 	session->data().chatsListChanges(