Usage limit and requests are mutually exclusive.

Telegram/Resources/langs/lang.strings

@@ -1340,10 +1340,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_group_request_about_channel" = "This channel accepts new subscribers only after they are approved by its admins.";
 "lng_group_request_sent" = "You will be added to the group once its admins approve your request.";
 "lng_group_request_sent_channel" = "You will be added to the channel once its admins approve your request.";
-"lng_group_requests_pending#one" = "{count} pending member request";
-"lng_group_requests_pending#other" = "{count} pending member requests";
-"lng_group_requests_pending_channel#one" = "{count} pending subscriber request";
-"lng_group_requests_pending_channel#other" = "{count} pending subscriber requests";
+"lng_group_requests_pending#one" = "{count} user requested to join";
+"lng_group_requests_pending#other" = "{count} users requested to join";
 "lng_group_requests_status" = "requested to join {date}";
 "lng_group_requests_add" = "Add to Group";
 "lng_group_requests_add_channel" = "Add to Channel";

Telegram/SourceFiles/api/api_invite_links.cpp

@@ -107,7 +107,9 @@ void InviteLinks::performCreate(
 			? Flag::f_legacy_revoke_permanent
 			: Flag(0))
 			| (expireDate ? Flag::f_expire_date : Flag(0))
-			| (usageLimit ? Flag::f_usage_limit : Flag(0))
+			| ((!requestApproval && usageLimit)
+				? Flag::f_usage_limit
+				: Flag(0))
 			| (requestApproval ? Flag::f_request_needed : Flag(0))),
 		peer->input,
 		MTP_int(expireDate),
@@ -249,11 +251,14 @@ void InviteLinks::performEdit(
 		callbacks.push_back(std::move(done));
 	}
 	using Flag = MTPmessages_EditExportedChatInvite::Flag;
+	const auto flags = (revoke ? Flag::f_revoked : Flag(0))
+		| (!revoke ? Flag::f_expire_date : Flag(0))
+		| ((!revoke && !requestApproval) ? Flag::f_usage_limit : Flag(0))
+		| ((!revoke && (requestApproval || !usageLimit))
+			? Flag::f_request_needed
+			: Flag(0));
 	_api->request(MTPmessages_EditExportedChatInvite(
-		MTP_flags((revoke ? Flag::f_revoked : Flag(0))
-			| (!revoke ? Flag::f_expire_date : Flag(0))
-			| (!revoke ? Flag::f_usage_limit : Flag(0))
-			| (!revoke ? Flag::f_request_needed : Flag(0))),
+		MTP_flags(flags),
 		peer->input,
 		MTP_string(link),
 		MTP_int(expireDate),

Telegram/SourceFiles/ui/boxes/edit_invite_link.cpp

@@ -12,6 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/labels.h"
 #include "ui/widgets/input_fields.h"
 #include "ui/widgets/checkbox.h"
+#include "ui/wrap/slide_wrap.h"
 #include "base/unixtime.h"
 #include "styles/style_settings.h"
 #include "styles/style_layers.h"
@@ -51,6 +52,8 @@ void EditInviteLinkBox(
 		not_null<GenericBox*> box,
 		const InviteLinkFields &data,
 		Fn<void(InviteLinkFields)> done) {
+	using namespace rpl::mappers;
+
 	const auto link = data.link;
 	const auto isGroup = data.isGroup;
 	box->setTitle(link.isEmpty()
@@ -58,15 +61,19 @@ void EditInviteLinkBox(
 		: tr::lng_group_invite_edit_title());
 
 	const auto container = box->verticalLayout();
-	const auto addTitle = [&](rpl::producer<QString> text) {
+	const auto addTitle = [&](
+			not_null<VerticalLayout*> container,
+			rpl::producer<QString> text,
+			style::margins margins = style::margins()) {
 		container->add(
 			object_ptr<FlatLabel>(
 				container,
 				std::move(text),
 				st::settingsSubsectionTitle),
-			st::settingsSubsectionTitlePadding);
+			st::settingsSubsectionTitlePadding + margins);
 	};
 	const auto addDivider = [&](
+			not_null<VerticalLayout*> container,
 			rpl::producer<QString> text,
 			style::margins margins = style::margins()) {
 		container->add(
@@ -80,19 +87,27 @@ void EditInviteLinkBox(
 			margins);
 	};
 
-	addTitle(tr::lng_group_invite_expire_title());
+	addTitle(container, tr::lng_group_invite_expire_title());
 	const auto expiresWrap = container->add(
 		object_ptr<VerticalLayout>(container),
 		style::margins(0, 0, 0, st::settingsSectionSkip));
 	addDivider(
-		tr::lng_group_invite_expire_about(),
-		style::margins(0, 0, 0, st::settingsSectionSkip));
+		container,
+		tr::lng_group_invite_expire_about());
 
-	addTitle(tr::lng_group_invite_usage_title());
-	const auto usagesWrap = container->add(
-		object_ptr<VerticalLayout>(container),
+	const auto usagesSlide = container->add(
+		object_ptr<SlideWrap<VerticalLayout>>(
+			container,
+			object_ptr<VerticalLayout>(container)));
+	const auto usagesInner = usagesSlide->entity();
+	addTitle(
+		usagesInner,
+		tr::lng_group_invite_usage_title(),
+		style::margins(0, st::settingsSectionSkip, 0, 0));
+	const auto usagesWrap = usagesInner->add(
+		object_ptr<VerticalLayout>(usagesInner),
 		style::margins(0, 0, 0, st::settingsSectionSkip));
-	addDivider(tr::lng_group_invite_usage_about());
+	addDivider(usagesInner, tr::lng_group_invite_usage_about());
 
 	static const auto addButton = [](
 			not_null<VerticalLayout*> container,
@@ -272,7 +287,7 @@ void EditInviteLinkBox(
 		style::margins{ 0, buttonSkip, 0, buttonSkip });
 	requestApproval->toggleOn(state->requestApproval.value());
 	state->requestApproval = requestApproval->toggledValue();
-	addDivider(rpl::conditional(
+	addDivider(container, rpl::conditional(
 		state->requestApproval.value(),
 		(isGroup
 			? tr::lng_group_invite_about_approve()
@@ -281,6 +296,9 @@ void EditInviteLinkBox(
 			? tr::lng_group_invite_about_no_approve()
 			: tr::lng_group_invite_about_no_approve_channel())));
 
+	usagesSlide->toggleOn(state->requestApproval.value() | rpl::map(!_1));
+	usagesSlide->finishAnimating();
+
 	const auto &saveLabel = link.isEmpty()
 		? tr::lng_formatting_link_create
 		: tr::lng_settings_save;

Telegram/SourceFiles/ui/chat/requests_bar.cpp

@@ -47,12 +47,10 @@ RequestsBar::RequestsBar(
 	) | rpl::start_with_next([=](RequestsBarContent &&content) {
 		_content = content;
 		if (_content.count > 0) {
-			_text = (_content.isGroup
-				? tr::lng_group_requests_pending
-				: tr::lng_group_requests_pending_channel)(
-					tr::now,
-					lt_count_decimal,
-					_content.count);
+			_text = tr::lng_group_requests_pending(
+				tr::now,
+				lt_count_decimal,
+				_content.count);
 		}
 		_userpics->update(_content.users, !_wrap.isHidden());
 		_inner->update();