Handle PHONE_NUMBER_BANNED in ChangePhoneBox.

Telegram/SourceFiles/boxes/change_phone_box.cpp

@@ -201,8 +201,16 @@ bool ChangePhoneBox::EnterPhone::sendPhoneFail(const QString &phoneNumber, const
 		return false;
 	} else if (error.type() == qstr("PHONE_NUMBER_INVALID")) {
 		errorText = lang(lng_bad_phone);
+	} else if (error.type() == qstr("PHONE_NUMBER_BANNED")) {
+		ShowPhoneBannedError(phoneNumber);
+		_requestId = 0;
+		return true;
 	} else if (error.type() == qstr("PHONE_NUMBER_OCCUPIED")) {
-		Ui::show(Box<InformBox>(lng_change_phone_occupied(lt_phone, App::formatPhone(phoneNumber)), lang(lng_box_ok)));
+		Ui::show(Box<InformBox>(
+			lng_change_phone_occupied(
+				lt_phone,
+				App::formatPhone(phoneNumber)),
+			lang(lng_box_ok)));
 		_requestId = 0;
 		return true;
 	}
@@ -314,7 +322,8 @@ bool ChangePhoneBox::EnterCode::sendCodeFail(const RPCError &error) {
 		return false;
 	} else if (error.type() == qstr("PHONE_CODE_EMPTY") || error.type() == qstr("PHONE_CODE_INVALID")) {
 		errorText = lang(lng_bad_code);
-	} else if (error.type() == qstr("PHONE_CODE_EXPIRED")) {
+	} else if (error.type() == qstr("PHONE_CODE_EXPIRED")
+		|| error.type() == qstr("PHONE_NUMBER_BANNED")) {
 		closeBox(); // Go back to phone input.
 		_requestId = 0;
 		return true;

Telegram/SourceFiles/boxes/confirm_phone_box.cpp

@@ -12,6 +12,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/input_fields.h"
 #include "ui/widgets/labels.h"
+#include "core/click_handler_types.h" // UrlClickHandler
+#include "base/qthelp_url.h" // qthelp::url_encode
+#include "platform/platform_info.h" // Platform::SystemVersionPretty
 #include "mainwidget.h"
 #include "lang/lang_keys.h"
 
@@ -19,8 +22,50 @@ namespace {
 
 object_ptr<ConfirmPhoneBox> CurrentConfirmPhoneBox = { nullptr };
 
+void SendToBannedHelp(const QString &phone) {
+	const auto version = QString::fromLatin1(AppVersionStr)
+		+ (cAlphaVersion()
+			? qsl(" alpha %1").arg(cAlphaVersion())
+			: (AppBetaVersion ? " beta" : ""));
+
+	const auto subject = qsl("Banned phone number: ") + phone;
+
+	const auto body = qsl("\
+I'm trying to use my mobile phone number: ") + phone + qsl("\n\
+But Telegram says it's banned. Please help.\n\
+\n\
+App version: ") + version + qsl("\n\
+OS version: ") + Platform::SystemVersionPretty() + qsl("\n\
+Locale: ") + Platform::SystemLanguage();
+
+	const auto url = "mailto:?to="
+		+ qthelp::url_encode("login@stel.com")
+		+ "&subject="
+		+ qthelp::url_encode(subject)
+		+ "&body="
+		+ qthelp::url_encode(body);
+
+	UrlClickHandler::Open(url);
+}
+
 } // namespace
 
+void ShowPhoneBannedError(const QString &phone) {
+	const auto box = std::make_shared<QPointer<BoxContent>>();
+	const auto close = [=] {
+		if (*box) {
+			(*box)->closeBox();
+		}
+	};
+	*box = Ui::show(Box<ConfirmBox>(
+		lang(lng_signin_banned_text),
+		lang(lng_box_ok),
+		lang(lng_signin_banned_help),
+		close,
+		[=] { SendToBannedHelp(phone); close(); }));
+
+}
+
 SentCodeField::SentCodeField(
 	QWidget *parent,
 	const style::InputField &st,

Telegram/SourceFiles/boxes/confirm_phone_box.h

@@ -16,6 +16,8 @@ class InputField;
 class FlatLabel;
 } // namespace Ui
 
+void ShowPhoneBannedError(const QString &phone);
+
 class SentCodeField : public Ui::InputField {
 public:
 	SentCodeField(

Telegram/SourceFiles/intro/introcode.cpp

@@ -231,7 +231,9 @@ bool CodeWidget::codeSubmitFail(const RPCError &error) {
 	stopCheck();
 	_sentRequest = 0;
 	auto &err = error.type();
-	if (err == qstr("PHONE_NUMBER_INVALID") || err == qstr("PHONE_CODE_EXPIRED")) { // show error
+	if (err == qstr("PHONE_NUMBER_INVALID")
+		|| err == qstr("PHONE_CODE_EXPIRED")
+		|| err == qstr("PHONE_NUMBER_BANNED")) { // show error
 		goBack();
 		return true;
 	} else if (err == qstr("PHONE_CODE_EMPTY") || err == qstr("PHONE_CODE_INVALID")) {

Telegram/SourceFiles/intro/introphone.cpp

@@ -13,41 +13,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/labels.h"
 #include "ui/wrap/fade_wrap.h"
-#include "core/click_handler_types.h"
+#include "boxes/confirm_phone_box.h"
 #include "boxes/confirm_box.h"
-#include "base/qthelp_url.h"
-#include "platform/platform_info.h"
 #include "core/application.h"
 
 namespace Intro {
 namespace {
 
-void SendToBannedHelp(const QString &phone) {
-	const auto version = QString::fromLatin1(AppVersionStr)
-		+ (cAlphaVersion()
-			? qsl(" alpha %1").arg(cAlphaVersion())
-			: (AppBetaVersion ? " beta" : ""));
-
-	const auto subject = qsl("Banned phone number: ") + phone;
-
-	const auto body = qsl("\
-I'm trying to use my mobile phone number: ") + phone + qsl("\n\
-But Telegram says it's banned. Please help.\n\
-\n\
-App version: ") + version + qsl("\n\
-OS version: ") + Platform::SystemVersionPretty() + qsl("\n\
-Locale: ") + Platform::SystemLanguage();
-
-	const auto url = "mailto:?to="
-		+ qthelp::url_encode("login@stel.com")
-		+ "&subject="
-		+ qthelp::url_encode(subject)
-		+ "&body="
-		+ qthelp::url_encode(body);
-
-	UrlClickHandler::Open(url);
-}
-
 bool AllowPhoneAttempt(const QString &phone) {
 	const auto digits = ranges::count_if(
 		phone,
@@ -254,13 +226,7 @@ bool PhoneWidget::phoneSubmitFail(const RPCError &error) {
 		showPhoneError(langFactory(lng_bad_phone));
 		return true;
 	} else if (err == qstr("PHONE_NUMBER_BANNED")) {
-		const auto phone = _sentPhone;
-		Ui::show(Box<ConfirmBox>(
-			lang(lng_signin_banned_text),
-			lang(lng_box_ok),
-			lang(lng_signin_banned_help),
-			[] { Ui::hideLayer(); },
-			[phone] { SendToBannedHelp(phone); Ui::hideLayer(); }));
+		ShowPhoneBannedError(_sentPhone);
 		return true;
 	}
 	if (Logs::DebugEnabled()) { // internal server error

Telegram/SourceFiles/intro/introsignup.cpp

@@ -146,9 +146,12 @@ bool SignupWidget::nameSubmitFail(const RPCError &error) {
 	if (err == qstr("PHONE_NUMBER_FLOOD")) {
 		Ui::show(Box<InformBox>(lang(lng_error_phone_flood)));
 		return true;
-	} else if (err == qstr("PHONE_NUMBER_INVALID") || err == qstr("PHONE_CODE_EXPIRED") ||
-		err == qstr("PHONE_CODE_EMPTY") || err == qstr("PHONE_CODE_INVALID") ||
-		err == qstr("PHONE_NUMBER_OCCUPIED")) {
+	} else if (err == qstr("PHONE_NUMBER_INVALID")
+		|| err == qstr("PHONE_NUMBER_BANNED")
+		|| err == qstr("PHONE_CODE_EXPIRED")
+		|| err == qstr("PHONE_CODE_EMPTY")
+		|| err == qstr("PHONE_CODE_INVALID")
+		|| err == qstr("PHONE_NUMBER_OCCUPIED")) {
 		goBack();
 		return true;
 	} else if (err == "FIRSTNAME_INVALID") {