Add 'Contact joined' notifications setting.

Telegram/Resources/langs/lang.strings

@@ -276,16 +276,21 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_settings_empty_bio" = "None";
 
 "lng_settings_section_notify" = "Notifications";
+"lng_settings_notify_title" = "Notifications for chats";
 "lng_settings_desktop_notify" = "Desktop notifications";
 "lng_settings_show_name" = "Show sender's name";
 "lng_settings_show_preview" = "Show message preview";
+"lng_settings_native_title" = "Native notifications";
 "lng_settings_use_windows" = "Use Windows notifications";
 "lng_settings_use_native_notifications" = "Use native notifications";
 "lng_settings_notifications_position" = "Location on the screen";
 "lng_settings_notifications_count" = "Notifications count";
 "lng_settings_sound_notify" = "Play sound";
+"lng_settings_badge_title" = "Badge counter";
 "lng_settings_include_muted" = "Include muted chats in unread count";
 "lng_settings_count_unread" = "Count unread messages";
+"lng_settings_events_title" = "Events";
+"lng_settings_events_joined" = "Contact joined Telegram";
 
 "lng_notification_preview" = "You have a new message";
 "lng_notification_reply" = "Reply";

Telegram/SourceFiles/apiwrap.cpp

@@ -5231,6 +5231,48 @@ auto ApiWrap::passwordStateCurrent() const
 		: std::nullopt;
 }
 
+void ApiWrap::reloadContactSignupSilent() {
+	if (_contactSignupSilentRequestId) {
+		return;
+	}
+	const auto requestId = request(MTPaccount_GetContactSignUpNotification(
+	)).done([=](const MTPBool &result) {
+		_contactSignupSilentRequestId = 0;
+		const auto silent = mtpIsTrue(result);
+		_contactSignupSilent = silent;
+		_contactSignupSilentChanges.fire_copy(silent);
+	}).fail([=](const RPCError &error) {
+		_contactSignupSilentRequestId = 0;
+	}).send();
+	_contactSignupSilentRequestId = requestId;
+}
+
+rpl::producer<bool> ApiWrap::contactSignupSilent() const {
+	return _contactSignupSilent
+		? _contactSignupSilentChanges.events_starting_with_copy(
+			*_contactSignupSilent)
+		: (_contactSignupSilentChanges.events() | rpl::type_erased());
+}
+
+std::optional<bool> ApiWrap::contactSignupSilentCurrent() const {
+	return _contactSignupSilent;
+}
+
+void ApiWrap::saveContactSignupSilent(bool silent) {
+	request(base::take(_contactSignupSilentRequestId)).cancel();
+
+	const auto requestId = request(MTPaccount_SetContactSignUpNotification(
+		MTP_bool(silent)
+	)).done([=](const MTPBool &) {
+		_contactSignupSilentRequestId = 0;
+		_contactSignupSilent = silent;
+		_contactSignupSilentChanges.fire_copy(silent);
+	}).fail([=](const RPCError &error) {
+		_contactSignupSilentRequestId = 0;
+	}).send();
+	_contactSignupSilentRequestId = requestId;
+}
+
 void ApiWrap::saveSelfBio(const QString &text, FnMut<void()> done) {
 	if (_saveBioRequestId) {
 		if (text != _saveBioText) {

Telegram/SourceFiles/apiwrap.h

@@ -366,6 +366,11 @@ public:
 	rpl::producer<Core::CloudPasswordState> passwordState() const;
 	std::optional<Core::CloudPasswordState> passwordStateCurrent() const;
 
+	void reloadContactSignupSilent();
+	rpl::producer<bool> contactSignupSilent() const;
+	std::optional<bool> contactSignupSilentCurrent() const;
+	void saveContactSignupSilent(bool silent);
+
 	void saveSelfBio(const QString &text, FnMut<void()> done);
 
 	struct Privacy {
@@ -786,4 +791,8 @@ private:
 	Fn<void(const Data::WallPaper &)> _wallPaperDone;
 	Fn<void(const RPCError &)> _wallPaperFail;
 
+	mtpRequestId _contactSignupSilentRequestId = 0;
+	std::optional<bool> _contactSignupSilent;
+	rpl::event_stream<bool> _contactSignupSilentChanges;
+
 };

Telegram/SourceFiles/settings/settings_main.cpp

@@ -284,6 +284,7 @@ void Main::setupContent(not_null<Window::Controller*> controller) {
 
 	// If we load this in advance it won't jump when we open its' section.
 	Auth().api().reloadPasswordState();
+	Auth().api().reloadContactSignupSilent();
 }
 
 rpl::producer<Type> Main::sectionShowOther() {

Telegram/SourceFiles/settings/settings_notifications.cpp

@@ -21,6 +21,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mainwindow.h"
 #include "messenger.h"
 #include "auth_session.h"
+#include "apiwrap.h"
 #include "styles/style_settings.h"
 #include "styles/style_boxes.h"
 #include "styles/style_window.h"
@@ -512,6 +513,8 @@ void SetupAdvancedNotifications(not_null<Ui::VerticalLayout*> container) {
 }
 
 void SetupNotificationsContent(not_null<Ui::VerticalLayout*> container) {
+	AddSubsectionTitle(container, lng_settings_notify_title);
+
 	const auto checkbox = [&](LangKey label, bool checked) {
 		return object_ptr<Ui::Checkbox>(
 			container,
@@ -543,6 +546,12 @@ void SetupNotificationsContent(not_null<Ui::VerticalLayout*> container) {
 	const auto sound = addCheckbox(
 		lng_settings_sound_notify,
 		Global::SoundNotify());
+
+	AddSkip(container, st::settingsCheckboxesSkip);
+	AddDivider(container);
+	AddSkip(container, st::settingsCheckboxesSkip);
+	AddSubsectionTitle(container, lng_settings_badge_title);
+
 	const auto muted = addCheckbox(
 		lng_settings_include_muted,
 		Auth().settings().includeMutedCounter());
@@ -550,7 +559,27 @@ void SetupNotificationsContent(not_null<Ui::VerticalLayout*> container) {
 		lng_settings_count_unread,
 		Auth().settings().countUnreadMessages());
 
-	const auto nativeNotificationsKey = [&] {
+
+	AddSkip(container, st::settingsCheckboxesSkip);
+	AddDivider(container);
+	AddSkip(container, st::settingsCheckboxesSkip);
+	AddSubsectionTitle(container, lng_settings_events_title);
+	const auto joined = addCheckbox(
+		lng_settings_events_joined,
+		!Auth().api().contactSignupSilentCurrent().value_or(false));
+	Auth().api().contactSignupSilent(
+	) | rpl::start_with_next([=](bool silent) {
+		joined->setChecked(!silent);
+	}, joined->lifetime());
+	joined->checkedChanges(
+	) | rpl::filter([](bool enabled) {
+		const auto silent = Auth().api().contactSignupSilentCurrent();
+		return (enabled == silent.value_or(false));
+	}) | rpl::start_with_next([=](bool enabled) {
+		Auth().api().saveContactSignupSilent(!enabled);
+	}, joined->lifetime());
+
+	const auto nativeKey = [&] {
 		if (!Platform::Notifications::Supported()) {
 			return LangKey();
 		} else if (cPlatform() == dbipWindows) {
@@ -561,9 +590,17 @@ void SetupNotificationsContent(not_null<Ui::VerticalLayout*> container) {
 		}
 		return LangKey();
 	}();
-	const auto native = nativeNotificationsKey
-		? addCheckbox(nativeNotificationsKey, Global::NativeNotifications())
-		: nullptr;
+	const auto native = [&]() -> Ui::Checkbox* {
+		if (!nativeKey) {
+			return nullptr;
+		}
+
+		AddSkip(container, st::settingsCheckboxesSkip);
+		AddDivider(container);
+		AddSkip(container, st::settingsCheckboxesSkip);
+		AddSubsectionTitle(container, lng_settings_native_title);
+		return addCheckbox(nativeKey, Global::NativeNotifications());
+	}();
 
 	const auto advancedSlide = (cPlatform() != dbipMac)
 		? container->add(