Add bot to group / channel by link with rights.

Telegram/SourceFiles/apiwrap.cpp

@@ -3526,9 +3526,11 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 	finishForwarding(action);
 }
 
-void ApiWrap::sendBotStart(not_null<UserData*> bot, PeerData *chat) {
+void ApiWrap::sendBotStart(
+		not_null<UserData*> bot,
+		PeerData *chat,
+		const QString &startTokenForChat) {
 	Expects(bot->isBot());
-	Expects(chat == nullptr || !bot->botInfo->startGroupToken.isEmpty());
 
 	if (chat && chat->isChannel() && !chat->isMegagroup()) {
 		ShowAddParticipantsError("USER_BOT", chat, { 1, bot });
@@ -3536,20 +3538,28 @@ void ApiWrap::sendBotStart(not_null<UserData*> bot, PeerData *chat) {
 	}
 
 	auto &info = bot->botInfo;
-	auto &token = chat ? info->startGroupToken : info->startToken;
+	auto &token = chat ? startTokenForChat : info->startToken;
 	if (token.isEmpty()) {
 		auto message = MessageToSend(
-			Api::SendAction(_session->data().history(bot)));
-		message.textWithTags = { qsl("/start"), TextWithTags::Tags() };
+			Api::SendAction(_session->data().history(chat
+				? chat
+				: bot.get())));
+		message.textWithTags = { u"/start"_q, TextWithTags::Tags() };
+		if (chat) {
+			message.textWithTags.text += '@' + bot->username;
+		}
 		sendMessage(std::move(message));
 		return;
 	}
 	const auto randomId = base::RandomValue<uint64>();
+	if (!chat) {
+		info->startToken = QString();
+	}
 	request(MTPmessages_StartBot(
 		bot->inputUser,
 		chat ? chat->input : MTP_inputPeerEmpty(),
 		MTP_long(randomId),
-		MTP_string(base::take(token))
+		MTP_string(token)
 	)).done([=](const MTPUpdates &result) {
 		applyUpdates(result);
 	}).fail([=](const MTP::Error &error) {

Telegram/SourceFiles/apiwrap.h

@@ -320,7 +320,10 @@ public:
 	void cancelLocalItem(not_null<HistoryItem*> item);
 
 	void sendMessage(MessageToSend &&message);
-	void sendBotStart(not_null<UserData*> bot, PeerData *chat = nullptr);
+	void sendBotStart(
+		not_null<UserData*> bot,
+		PeerData *chat = nullptr,
+		const QString &startTokenForChat = QString());
 	void sendInlineResult(
 		not_null<UserData*> bot,
 		not_null<InlineBots::Result*> data,

Telegram/SourceFiles/boxes/peers/add_bot_to_chat_box.cpp

@@ -19,6 +19,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/peers/edit_participants_box.h"
 #include "boxes/filters/edit_filter_chats_list.h"
 #include "ui/boxes/confirm_box.h"
+#include "ui/wrap/vertical_layout.h"
+#include "ui/wrap/slide_wrap.h"
 #include "base/random.h"
 #include "base/weak_ptr.h"
 #include "api/api_chat_participants.h"
@@ -54,7 +56,10 @@ private:
 
 };
 
-void ShareBotGame(not_null<UserData*> bot, not_null<PeerData*> chat) {
+void ShareBotGame(
+		not_null<UserData*> bot,
+		not_null<PeerData*> chat,
+		const QString &shortName) {
 	const auto history = chat->owner().history(chat);
 	auto &histories = history->owner().histories();
 	const auto requestType = Data::Histories::RequestType::Send;
@@ -68,7 +73,7 @@ void ShareBotGame(not_null<UserData*> bot, not_null<PeerData*> chat) {
 			MTP_inputMediaGame(
 				MTP_inputGameShortName(
 					bot->inputUser,
-					MTP_string(bot->botInfo->shareGameShortName))),
+					MTP_string(shortName))),
 			MTP_string(),
 			MTP_long(randomId),
 			MTPReplyMarkup(),
@@ -138,23 +143,40 @@ void Controller::addRow(not_null<PeerData*> peer) {
 
 } // namespace
 
-void AddBotToGroupBoxController::Start(not_null<UserData*> bot) {
+void AddBotToGroupBoxController::Start(
+		not_null<UserData*> bot,
+		Scope scope,
+		const QString &token,
+		ChatAdminRights requestedRights) {
 	auto initBox = [=](not_null<PeerListBox*> box) {
 		box->addButton(tr::lng_cancel(), [box] { box->closeBox(); });
 	};
 	Ui::show(Box<PeerListBox>(
-		std::make_unique<AddBotToGroupBoxController>(bot),
+		std::make_unique<AddBotToGroupBoxController>(
+			bot,
+			scope,
+			token,
+			requestedRights),
 		std::move(initBox)));
 }
 
 AddBotToGroupBoxController::AddBotToGroupBoxController(
-	not_null<UserData*> bot)
-: ChatsListBoxController(SharingBotGame(bot)
+	not_null<UserData*> bot,
+	Scope scope,
+	const QString &token,
+	ChatAdminRights requestedRights)
+: ChatsListBoxController((scope == Scope::ShareGame)
 	? std::make_unique<PeerListGlobalSearchController>(&bot->session())
 	: nullptr)
 , _bot(bot)
-, _adminToGroup(_bot->botInfo->groupAdminRights != 0)
-, _adminToChannel(_bot->botInfo->channelAdminRights != 0) {
+, _scope(scope)
+, _token(token)
+, _requestedRights(requestedRights)
+, _adminToGroup((scope == Scope::GroupAdmin)
+	|| (scope == Scope::All && _bot->botInfo->groupAdminRights != 0))
+, _adminToChannel((scope == Scope::ChannelAdmin)
+	|| (scope == Scope::All && _bot->botInfo->channelAdminRights != 0))
+, _memberToGroup(scope == Scope::All) {
 }
 
 Main::Session &AddBotToGroupBoxController::session() const {
@@ -170,8 +192,8 @@ void AddBotToGroupBoxController::rowClicked(not_null<PeerListRow*> row) {
 }
 
 void AddBotToGroupBoxController::shareBotGame(not_null<PeerData*> chat) {
-	auto send = crl::guard(this, [bot = _bot, chat] {
-		ShareBotGame(bot, chat);
+	auto send = crl::guard(this, [bot = _bot, chat, token = _token] {
+		ShareBotGame(bot, chat, token);
 	});
 	auto confirmText = [chat] {
 		if (chat->isUser()) {
@@ -187,6 +209,34 @@ void AddBotToGroupBoxController::shareBotGame(not_null<PeerData*> chat) {
 		Ui::LayerOption::KeepOther);
 }
 
+void AddBotToGroupBoxController::requestExistingRights(
+		not_null<ChannelData*> channel) {
+	if (_existingRightsChannel == channel) {
+		return;
+	}
+	_existingRightsChannel = channel;
+	_bot->session().api().request(_existingRightsRequestId).cancel();
+	_existingRightsRequestId = _bot->session().api().request(
+		MTPchannels_GetParticipant(
+			_existingRightsChannel->inputChannel,
+			_bot->input)
+	).done([=](const MTPchannels_ChannelParticipant &result) {
+		result.match([&](const MTPDchannels_channelParticipant &data) {
+			channel->owner().processUsers(data.vusers());
+			const auto participant = Api::ChatParticipant(
+				data.vparticipant(),
+				channel);
+			_existingRights = participant.rights().flags;
+			_existingRank = participant.rank();
+			addBotToGroup(_existingRightsChannel);
+		});
+	}).fail([=] {
+		_existingRights = ChatAdminRights();
+		_existingRank = QString();
+		addBotToGroup(_existingRightsChannel);
+	}).send();
+}
+
 void AddBotToGroupBoxController::addBotToGroup(not_null<PeerData*> chat) {
 	if (const auto megagroup = chat->asMegagroup()) {
 		if (!megagroup->canAddMembers()) {
@@ -196,38 +246,66 @@ void AddBotToGroupBoxController::addBotToGroup(not_null<PeerData*> chat) {
 			return;
 		}
 	}
+	if (_existingRightsChannel != chat) {
+		_existingRights = {};
+		_existingRank = QString();
+		_existingRightsChannel = nullptr;
+		_bot->session().api().request(_existingRightsRequestId).cancel();
+	}
+	const auto requestedAddAdmin = (_scope == Scope::GroupAdmin)
+		|| (_scope == Scope::ChannelAdmin);
+	if (chat->isChannel()
+		&& requestedAddAdmin
+		&& !_existingRights.has_value()) {
+		requestExistingRights(chat->asChannel());
+		return;
+	}
 	const auto bot = _bot;
 	const auto close = [=](auto&&...) {
 		Ui::hideLayer();
 		Ui::showPeerHistory(chat, ShowAtUnreadMsgId);
 	};
-	const auto rights = (chat->isBroadcast()
-		&& chat->asBroadcast()->canAddAdmins())
+	const auto rights = requestedAddAdmin
+		? _requestedRights
+		: (chat->isBroadcast()
+			&& chat->asBroadcast()->canAddAdmins())
 		? bot->botInfo->channelAdminRights
 		: ((chat->isMegagroup() && chat->asMegagroup()->canAddAdmins())
 			|| (chat->isChat() && chat->asChat()->canAddAdmins()))
 		? bot->botInfo->groupAdminRights
 		: ChatAdminRights();
-	if (rights) {
+	const auto addingAdmin = requestedAddAdmin || (rights != 0);
+	if (addingAdmin) {
+		const auto scope = _scope;
+		const auto token = _token;
+		const auto done = [=](
+				ChatAdminRightsInfo newRights,
+				const QString &rank) {
+			if (scope == Scope::GroupAdmin) {
+				chat->session().api().sendBotStart(bot, chat, token);
+			}
+			close();
+		};
 		const auto saveCallback = SaveAdminCallback(
 			chat,
 			bot,
-			close,
+			done,
 			close);
-		auto box = object_ptr<EditAdminBox>(nullptr);
-		box = Box<EditAdminBox>(
+		auto box = Box<EditAdminBox>(
 			chat,
 			bot,
 			ChatAdminRightsInfo(rights),
-			QString(),
-			true);
+			_existingRank,
+			EditAdminBotFields{
+				_token,
+				_existingRights.value_or(ChatAdminRights()) });
 		box->setSaveCallback(saveCallback);
 		Ui::show(std::move(box), Ui::LayerOption::KeepOther);
 	} else {
 		Ui::show(
 			Ui::MakeConfirmBox({
 				tr::lng_bot_sure_invite(tr::now, lt_group, chat->name),
-				crl::guard(this, [=] { AddBotToGroup(bot, chat); }),
+				crl::guard(this, [=] { AddBotToGroup(bot, chat, _token); }),
 			}),
 			Ui::LayerOption::KeepOther);
 	}
@@ -251,32 +329,33 @@ bool AddBotToGroupBoxController::needToCreateRow(
 		return true;
 	}
 	if (const auto chat = peer->asChat()) {
-		if (_adminToGroup && chat->canAddAdmins()) {
+		if (onlyAdminToGroup()) {
+			return chat->canAddAdmins();
+		} else if (_adminToGroup && chat->canAddAdmins()) {
 			_groups.fire_copy(peer);
-		} else {
+		} else if (!onlyAdminToChannel()) {
 			return chat->canAddMembers();
 		}
 	} else if (const auto group = peer->asMegagroup()) {
-		if (_adminToGroup && group->canAddAdmins()) {
+		if (onlyAdminToGroup()) {
+			return group->canAddAdmins();
+		} else if (_adminToGroup && group->canAddAdmins()) {
 			_groups.fire_copy(peer);
-		} else {
+		} else if (!onlyAdminToChannel()) {
 			return group->canAddMembers();
 		}
 	} else if (const auto channel = peer->asBroadcast()) {
-		if (_adminToChannel && channel->canAddAdmins()) {
+		if (onlyAdminToChannel()) {
+			return channel->canAddAdmins();
+		} else if (_adminToChannel && channel->canAddAdmins()) {
 			_channels.fire_copy(peer);
 		}
 	}
 	return false;
 }
 
-bool AddBotToGroupBoxController::SharingBotGame(not_null<UserData*> bot) {
-	const auto &info = bot->botInfo;
-	return (info && !info->shareGameShortName.isEmpty());
-}
-
 bool AddBotToGroupBoxController::sharingBotGame() const {
-	return SharingBotGame(_bot);
+	return (_scope == Scope::ShareGame);
 }
 
 QString AddBotToGroupBoxController::emptyBoxText() const {
@@ -310,29 +389,31 @@ object_ptr<Ui::RpWidget> AddBotToGroupBoxController::prepareAdminnedChats() {
 	const auto addList = [&](
 			tr::phrase<> subtitle,
 			rpl::event_stream<not_null<PeerData*>> &items) {
-		container->add(CreatePeerListSectionSubtitle(
-			container,
-			subtitle()));
-		container->add(object_ptr<Ui::FixedHeightWidget>(
-			container,
-			st::membersMarginTop));
+		const auto wrap = container->add(
+			object_ptr<Ui::SlideWrap<Ui::VerticalLayout>>(
+				container,
+				object_ptr<Ui::VerticalLayout>(container)));
+		wrap->hide(anim::type::instant);
 
-		const auto delegate = container->lifetime().make_state<
+		const auto inner = wrap->entity();
+		inner->add(CreatePeerListSectionSubtitle(inner, subtitle()));
+
+		const auto delegate = inner->lifetime().make_state<
 			PeerListContentDelegateSimple
 		>();
-		const auto controller = container->lifetime().make_state<Controller>(
+		const auto controller = inner->lifetime().make_state<Controller>(
 			&session(),
 			items.events(),
 			callback);
-		const auto content = result->add(object_ptr<PeerListContent>(
+		const auto content = inner->add(object_ptr<PeerListContent>(
 			container,
 			controller));
 		delegate->setContent(content);
 		controller->setDelegate(delegate);
 
-		container->add(object_ptr<Ui::FixedHeightWidget>(
-			container,
-			st::membersMarginBottom));
+		items.events() | rpl::take(1) | rpl::start_with_next([=] {
+			wrap->show(anim::type::instant);
+		}, inner->lifetime());
 	};
 	if (_adminToChannel) {
 		addList(tr::lng_bot_channels_manage, _channels);
@@ -353,11 +434,20 @@ object_ptr<Ui::RpWidget> AddBotToGroupBoxController::prepareAdminnedChats() {
 	return result;
 }
 
+bool AddBotToGroupBoxController::onlyAdminToGroup() const {
+	return _adminToGroup && !_memberToGroup && !_adminToChannel;
+}
+
+bool AddBotToGroupBoxController::onlyAdminToChannel() const {
+	return _adminToChannel && !_memberToGroup && !_adminToGroup;
+}
+
 void AddBotToGroupBoxController::prepareViewHook() {
 	delegate()->peerListSetTitle((sharingBotGame() || _adminToChannel)
 		? tr::lng_bot_choose_chat()
 		: tr::lng_bot_choose_group());
-	if (_adminToGroup || _adminToChannel) {
+	if ((_adminToGroup && !onlyAdminToGroup())
+		|| (_adminToChannel && !onlyAdminToChannel())) {
 		delegate()->peerListSetAboveWidget(prepareAdminnedChats());
 	}
 
@@ -370,9 +460,12 @@ void AddBotToGroupBoxController::prepareViewHook() {
 	}, lifetime());
 }
 
-void AddBotToGroup(not_null<UserData*> bot, not_null<PeerData*> chat) {
-	if (bot->isBot() && !bot->botInfo->startGroupToken.isEmpty()) {
-		chat->session().api().sendBotStart(bot, chat);
+void AddBotToGroup(
+		not_null<UserData*> bot,
+		not_null<PeerData*> chat,
+		const QString &startToken) {
+	if (!startToken.isEmpty()) {
+		chat->session().api().sendBotStart(bot, chat, startToken);
 	} else {
 		chat->session().api().chatParticipants().add(chat, { 1, bot });
 	}

Telegram/SourceFiles/boxes/peers/add_bot_to_chat_box.h

@@ -8,14 +8,30 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "boxes/peer_list_controllers.h"
+#include "data/data_chat_participant_status.h"
 
 class AddBotToGroupBoxController
 	: public ChatsListBoxController
 	, public base::has_weak_ptr {
 public:
-	static void Start(not_null<UserData*> bot);
+	enum class Scope {
+		None,
+		GroupAdmin,
+		ChannelAdmin,
+		ShareGame,
+		All,
+	};
+	static void Start(
+		not_null<UserData*> bot,
+		Scope scope = Scope::All,
+		const QString &token = QString(),
+		ChatAdminRights requestedRights = {});
 
-	explicit AddBotToGroupBoxController(not_null<UserData*> bot);
+	AddBotToGroupBoxController(
+		not_null<UserData*> bot,
+		Scope scope,
+		const QString &token,
+		ChatAdminRights requestedRights);
 
 	Main::Session &session() const override;
 	void rowClicked(not_null<PeerListRow*> row) override;
@@ -26,9 +42,10 @@ protected:
 	QString emptyBoxText() const override;
 
 private:
-	static bool SharingBotGame(not_null<UserData*> bot);
+	[[nodiscard]] object_ptr<Ui::RpWidget> prepareAdminnedChats();
 
-	object_ptr<Ui::RpWidget> prepareAdminnedChats();
+	[[nodiscard]] bool onlyAdminToGroup() const;
+	[[nodiscard]] bool onlyAdminToChannel() const;
 
 	bool needToCreateRow(not_null<PeerData*> peer) const;
 	bool sharingBotGame() const;
@@ -37,13 +54,28 @@ private:
 
 	void shareBotGame(not_null<PeerData*> chat);
 	void addBotToGroup(not_null<PeerData*> chat);
+	void requestExistingRights(not_null<ChannelData*> channel);
 
 	const not_null<UserData*> _bot;
+	const Scope _scope = Scope::None;
+	const QString _token;
+	const ChatAdminRights _requestedRights;
+
+	ChannelData *_existingRightsChannel = nullptr;
+	mtpRequestId _existingRightsRequestId = 0;
+	std::optional<ChatAdminRights> _existingRights;
+	QString _existingRank;
+
 	rpl::event_stream<not_null<PeerData*>> _groups;
 	rpl::event_stream<not_null<PeerData*>> _channels;
+
 	bool _adminToGroup = false;
 	bool _adminToChannel = false;
+	bool _memberToGroup = false;
 
 };
 
-void AddBotToGroup(not_null<UserData*> bot, not_null<PeerData*> chat);
+void AddBotToGroup(
+	not_null<UserData*> bot,
+	not_null<PeerData*> chat,
+	const QString &startToken);

Telegram/SourceFiles/boxes/peers/edit_participant_box.cpp

@@ -200,7 +200,7 @@ EditAdminBox::EditAdminBox(
 	not_null<UserData*> user,
 	ChatAdminRightsInfo rights,
 	const QString &rank,
-	bool addingBot)
+	std::optional<EditAdminBotFields> addingBot)
 : EditParticipantBox(
 	nullptr,
 	peer,
@@ -209,7 +209,7 @@ EditAdminBox::EditAdminBox(
 , _show(this)
 , _oldRights(rights)
 , _oldRank(rank)
-, _addingBot(addingBot) {
+, _addingBot(std::move(addingBot)) {
 }
 
 ChatAdminRightsInfo EditAdminBox::defaultRights() const {
@@ -240,12 +240,17 @@ void EditAdminBox::prepare() {
 	EditParticipantBox::prepare();
 
 	setTitle(_addingBot
-		? tr::lng_bot_add_title()
+		? (_addingBot->existing
+			? tr::lng_rights_edit_admin()
+			: tr::lng_bot_add_title())
 		: _oldRights.flags
 		? tr::lng_rights_edit_admin()
 		: tr::lng_channel_add_admin());
 
-	if (_addingBot && !peer()->isBroadcast() && _saveCallback) {
+	if (_addingBot
+		&& !_addingBot->existing
+		&& !peer()->isBroadcast()
+		&& _saveCallback) {
 		addControl(
 			object_ptr<Ui::BoxContentDivider>(this),
 			st::rightsDividerMargin / 2);
@@ -277,7 +282,9 @@ void EditAdminBox::prepare() {
 
 	const auto chat = peer()->asChat();
 	const auto channel = peer()->asChannel();
-	const auto prepareRights = _oldRights.flags
+	const auto prepareRights = _addingBot
+		? ChatAdminRightsInfo(_oldRights.flags | _addingBot->existing)
+		: _oldRights.flags
 		? _oldRights
 		: defaultRights();
 	const auto disabledByDefaults = (channel && !channel->isMegagroup())
@@ -368,7 +375,7 @@ void EditAdminBox::prepare() {
 					? ~Flags(0)
 					: channel->adminRights());
 			_saveCallback(
-				_addingBot ? ChatAdminRightsInfo() : _oldRights,
+				_oldRights,
 				ChatAdminRightsInfo(newFlags),
 				_rank ? _rank->getLastText().trimmed() : QString());
 		};
@@ -376,9 +383,9 @@ void EditAdminBox::prepare() {
 			if (!_saveCallback) {
 				return;
 			} else if (_addAsAdmin && !_addAsAdmin->checked()) {
-				AddBotToGroup(user(), peer());
+				AddBotToGroup(user(), peer(), _addingBot->token);
 				return;
-			} else if (_addingBot) {
+			} else if (_addingBot && !_addingBot->existing) {
 				const auto phrase = peer()->isBroadcast()
 					? tr::lng_bot_sure_add_text_channel
 					: tr::lng_bot_sure_add_text_group;
@@ -409,7 +416,7 @@ void EditAdminBox::finishAddAdmin() {
 void EditAdminBox::refreshButtons() {
 	clearButtons();
 	if (canSave()) {
-		addButton(!_addingBot
+		addButton((!_addingBot || _addingBot->existing)
 			? tr::lng_settings_save()
 			: _adminControlsWrap->toggled()
 			? tr::lng_bot_add_as_admin()

Telegram/SourceFiles/boxes/peers/edit_participant_box.h

@@ -65,6 +65,11 @@ private:
 
 };
 
+struct EditAdminBotFields {
+	QString token;
+	ChatAdminRights existing;
+};
+
 class EditAdminBox : public EditParticipantBox {
 public:
 	EditAdminBox(
@@ -73,7 +78,7 @@ public:
 		not_null<UserData*> user,
 		ChatAdminRightsInfo rights,
 		const QString &rank,
-		bool addingBot = false);
+		std::optional<EditAdminBotFields> addingBot = {});
 
 	void setSaveCallback(
 			Fn<void(
@@ -127,7 +132,7 @@ private:
 	mtpRequestId _transferRequestId = 0;
 	Fn<void()> _save, _finishSave;
 
-	bool _addingBot = false;
+	std::optional<EditAdminBotFields> _addingBot;
 
 };
 

Telegram/SourceFiles/core/local_url_handlers.cpp

@@ -251,6 +251,39 @@ bool ShowWallPaper(
 		params);
 }
 
+[[nodiscard]] ChatAdminRights ParseRequestedAdminRights(
+		const QString &value) {
+	auto result = ChatAdminRights();
+	for (const auto &element : value.split(QRegularExpression("[+ ]"))) {
+		if (element == u"change_info"_q) {
+			result |= ChatAdminRight::ChangeInfo;
+		} else if (element == u"post_messages"_q) {
+			result |= ChatAdminRight::PostMessages;
+		} else if (element == u"edit_messages"_q) {
+			result |= ChatAdminRight::EditMessages;
+		} else if (element == u"delete_messages"_q) {
+			result |= ChatAdminRight::DeleteMessages;
+		} else if (element == u"restrict_members"_q) {
+			result |= ChatAdminRight::BanUsers;
+		} else if (element == u"invite_users"_q) {
+			result |= ChatAdminRight::InviteUsers;
+		} else if (element == u"pin_messages"_q) {
+			result |= ChatAdminRight::PinMessages;
+		} else if (element == u"promote_members"_q) {
+			result |= ChatAdminRight::AddAdmins;
+		} else if (element == u"manage_video_chats"_q) {
+			result |= ChatAdminRight::ManageCall;
+		} else if (element == u"anonymous"_q) {
+			result |= ChatAdminRight::Anonymous;
+		} else if (element == u"manage_chat"_q) {
+			result |= ChatAdminRight::Other;
+		} else {
+			return {};
+		}
+	}
+	return result;
+}
+
 bool ResolveUsernameOrPhone(
 		Window::SessionController *controller,
 		const Match &match,
@@ -278,18 +311,24 @@ bool ResolveUsernameOrPhone(
 	} else if (!validDomain(domain) && !validPhone(phone)) {
 		return false;
 	}
-	auto start = qsl("start");
-	auto startToken = params.value(start);
-	if (startToken.isEmpty()) {
-		start = qsl("startgroup");
-		startToken = params.value(start);
-		if (startToken.isEmpty()) {
-			start = QString();
-		}
+	using BotStartType = Window::BotStartType;
+	auto startType = BotStartType::None;
+	auto startToken = params.value(u"start"_q);
+	if (!startToken.isEmpty()) {
+		startType = BotStartType::Personal;
+	} else if (params.contains(u"startgroup"_q)) {
+		startType = BotStartType::Group;
+		startToken = params.value(u"startgroup"_q);
+	} else if (params.contains(u"startchannel"_q)) {
+		startType = BotStartType::Channel;
+	}
+	auto post = ShowAtUnreadMsgId;
+	auto adminRights = ChatAdminRights();
+	if (startType == BotStartType::Group
+		|| startType == BotStartType::Channel) {
+		post = ShowAtProfileMsgId;
+		adminRights = ParseRequestedAdminRights(params.value(u"admin"_q));
 	}
-	auto post = (start == qsl("startgroup"))
-		? ShowAtProfileMsgId
-		: ShowAtUnreadMsgId;
 	const auto postParam = params.value(qsl("post"));
 	if (const auto postId = postParam.toInt()) {
 		post = postId;
@@ -301,7 +340,8 @@ bool ResolveUsernameOrPhone(
 	const auto gameParam = params.value(qsl("game"));
 	if (!gameParam.isEmpty() && validDomain(gameParam)) {
 		startToken = gameParam;
-		post = ShowAtGameShareMsgId;
+		post = ShowAtProfileMsgId;
+		startType = BotStartType::ShareGame;
 	}
 	const auto fromMessageId = context.value<ClickHandlerContext>().itemId;
 	using Navigation = Window::SessionNavigation;
@@ -318,7 +358,9 @@ bool ResolveUsernameOrPhone(
 				Navigation::ThreadId{ threadId }
 			}
 			: Navigation::RepliesByLinkInfo{ v::null },
+		.startType = startType,
 		.startToken = startToken,
+		.startAdminRights = adminRights,
 		.voicechatHash = (params.contains(u"livestream"_q)
 			? std::make_optional(params.value(u"livestream"_q))
 			: params.contains(u"videochat"_q)

Telegram/SourceFiles/data/data_msg_id.h

@@ -84,7 +84,6 @@ constexpr auto ShowAtTheEndMsgId = MsgId(SpecialMsgIdShift + 1);
 constexpr auto SwitchAtTopMsgId = MsgId(SpecialMsgIdShift + 2);
 constexpr auto ShowAtProfileMsgId = MsgId(SpecialMsgIdShift + 3);
 constexpr auto ShowAndStartBotMsgId = MsgId(SpecialMsgIdShift + 4);
-constexpr auto ShowAtGameShareMsgId = MsgId(SpecialMsgIdShift + 5);
 constexpr auto ShowForChooseMessagesMsgId = MsgId(SpecialMsgIdShift + 6);
 
 static_assert(SpecialMsgIdShift + 0xFF < 0);

Telegram/SourceFiles/data/data_user.h

@@ -20,7 +20,7 @@ struct BotInfo {
 	std::vector<BotCommand> commands;
 	Ui::Text::String text = { int(st::msgMinWidth) }; // description
 
-	QString startToken, startGroupToken, shareGameShortName;
+	QString startToken;
 	Dialogs::EntryState inlineReturnTo;
 
 	ChatAdminRights groupAdminRights;

Telegram/SourceFiles/window/window_session_controller.cpp

@@ -338,6 +338,7 @@ void SessionNavigation::showPeerByLinkResolved(
 		}).send();
 		return;
 	}
+	using Scope = AddBotToGroupBoxController::Scope;
 	const auto &replies = info.repliesInfo;
 	if (const auto threadId = std::get_if<ThreadId>(&replies)) {
 		showRepliesForMessage(
@@ -351,31 +352,28 @@ void SessionNavigation::showPeerByLinkResolved(
 			info.messageId,
 			commentId->id,
 			params);
-	} else if (info.messageId == ShowAtGameShareMsgId) {
-		const auto user = peer->asUser();
-		if (user && user->isBot() && !info.startToken.isEmpty()) {
-			user->botInfo->shareGameShortName = info.startToken;
-			AddBotToGroupBoxController::Start(user);
-		} else {
-			crl::on_main(this, [=] {
-				showPeerHistory(peer->id, params);
-			});
-		}
 	} else if (info.messageId == ShowAtProfileMsgId && !peer->isChannel()) {
 		const auto user = peer->asUser();
-		if (user
-			&& user->isBot()
-			&& !user->botInfo->cantJoinGroups
-			&& !info.startToken.isEmpty()) {
-			user->botInfo->startGroupToken = info.startToken;
-			AddBotToGroupBoxController::Start(user);
-		} else if (user && user->isBot()) {
+		const auto scope = (info.startType == BotStartType::ShareGame)
+			? Scope::ShareGame
+			: (info.startType == BotStartType::Group)
+			? (info.startAdminRights ? Scope::GroupAdmin : Scope::All)
+			: (info.startType == BotStartType::Channel)
+			? Scope::ChannelAdmin
+			: Scope::None;
+		if (!user || !user->isBot()) {
+			showPeerInfo(peer, params);
+		} else if (scope != Scope::None) {
+			AddBotToGroupBoxController::Start(
+				user,
+				scope,
+				info.startToken,
+				info.startAdminRights);
+		} else {
 			// Always open bot chats, even from mention links.
 			crl::on_main(this, [=] {
 				showPeerHistory(peer->id, params);
 			});
-		} else {
-			showPeerInfo(peer, params);
 		}
 	} else {
 		const auto user = peer->asUser();

Telegram/SourceFiles/window/window_session_controller.h

@@ -12,6 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/observer.h"
 #include "base/weak_ptr.h"
 #include "base/timer.h"
+#include "data/data_chat_participant_status.h"
 #include "dialogs/dialogs_key.h"
 #include "ui/layers/layer_widget.h"
 #include "ui/layers/show.h"
@@ -86,6 +87,14 @@ enum class GifPauseReason {
 using GifPauseReasons = base::flags<GifPauseReason>;
 inline constexpr bool is_flag_type(GifPauseReason) { return true; };
 
+enum class BotStartType {
+	None,
+	Personal,
+	Group,
+	Channel,
+	ShareGame,
+};
+
 struct PeerThemeOverride {
 	PeerData *peer = nullptr;
 	std::shared_ptr<Ui::ChatTheme> theme;
@@ -178,7 +187,9 @@ public:
 		QString phone;
 		MsgId messageId = ShowAtUnreadMsgId;
 		RepliesByLinkInfo repliesInfo;
+		BotStartType startType = BotStartType::None;
 		QString startToken;
+		ChatAdminRights startAdminRights;
 		std::optional<QString> voicechatHash;
 		FullMsgId clickFromMessageId;
 	};