Added ability to suggest birthday from edit contact box.

Telegram/Resources/langs/lang.strings

@@ -777,6 +777,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_settings_birthday_contacts" = "Only your contacts can see your birthday. {link}";
 "lng_settings_birthday_contacts_link" = "Change >";
 "lng_settings_birthday_saved" = "Your date of birth was updated.";
+"lng_settings_birthday_suggested" = "Date of birth was suggested to {user}";
 "lng_settings_birthday_reset" = "Remove";
 "lng_settings_channel_label" = "Personal channel";
 "lng_settings_channel_add" = "Add";
@@ -4802,6 +4803,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_contact_add_notes" = "Note";
 "lng_contact_add_notes_about" = "Notes are only visible to you.";
 "lng_suggest_photo_for" = "Suggest Photo for {user}";
+"lng_suggest_birthday" = "Suggest Date of Birth";
+"lng_suggest_birthday_box_title" = "{user}'s Date of Birth";
+"lng_suggest_birthday_box_confirm" = "Suggest";
 "lng_set_photo_for_user" = "Set Photo for {user}";
 "lng_contact_photo_replace_info" = "You can replace {user}'s photo with another photo that only you will see.";
 "lng_edit_contact_title" = "Edit contact";

Telegram/SourceFiles/boxes/peers/edit_contact_box.cpp

@@ -14,6 +14,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/premium_preview_box.h"
 #include "chat_helpers/tabbed_panel.h"
 #include "chat_helpers/tabbed_selector.h"
+#include "core/application.h"
+#include "core/click_handler_types.h"
 #include "core/ui_integration.h"
 #include "data/data_changes.h"
 #include "data/data_document.h"
@@ -450,6 +452,20 @@ void Controller::setupPhotoButtons() {
 	const auto inner = _box->verticalLayout();
 	Ui::AddSkip(inner);
 
+	const auto suggestBirthdayButton = Settings::AddButtonWithIcon(
+		inner,
+		tr::lng_suggest_birthday(),
+		st::settingsButtonLightNoIcon);
+	suggestBirthdayButton->setClickedCallback([=] {
+		Core::App().openInternalUrl(
+			u"internal:edit_birthday:suggest:%1"_q.arg(
+				peerToUser(_user->id).bare),
+			QVariant::fromValue(ClickHandlerContext{
+				.sessionWindow = base::make_weak(_window),
+			}));
+	});
+	suggestBirthdayButton->setVisible(!_user->birthday().valid());
+
 	const auto suggestButton = Settings::AddButtonWithIcon(
 		inner,
 		tr::lng_suggest_photo_for(lt_user, rpl::duplicate(nameValue)),

Telegram/SourceFiles/core/local_url_handlers.cpp

@@ -72,6 +72,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "main/main_session_settings.h"
 #include "info/info_controller.h"
 #include "info/info_memento.h"
+#include "info/profile/info_profile_values.h"
 #include "inline_bots/bot_attach_web_view.h"
 #include "history/history.h"
 #include "history/history_item.h"
@@ -928,6 +929,53 @@ bool ShowEditBirthday(
 	} else if (controller->showFrozenError()) {
 		return true;
 	}
+
+	const auto captured = match->captured(1);
+	if (captured.startsWith(u":suggest:"_q)) {
+		const auto userIdStr = captured.mid(9); // Skip ":suggest:"
+		const auto userId = UserId(userIdStr.toULongLong());
+		if (!userId) {
+			return false;
+		}
+
+		const auto targetUser
+			= controller->session().data().userLoaded(userId);
+		if (!targetUser) {
+			return false;
+		}
+
+		const auto save = [=](Data::Birthday result) {
+			using BFlag = MTPDbirthday::Flag;
+			controller->session().api().request(MTPusers_SuggestBirthday(
+				targetUser->inputUser,
+				MTP_birthday(
+					MTP_flags(result.year() ? BFlag::f_year : BFlag()),
+					MTP_int(result.day()),
+					MTP_int(result.month()),
+					MTP_int(result.year()))
+			)).done(crl::guard(controller, [=] {
+				controller->showToast(
+					tr::lng_settings_birthday_suggested(
+						tr::now,
+						lt_user,
+						targetUser->name()));
+			})).fail(crl::guard(controller, [=](const MTP::Error &error) {
+				const auto type = error.type();
+				controller->showToast(type.startsWith(u"FLOOD_WAIT_"_q)
+					? tr::lng_flood_error(tr::now)
+					: (u"Error: "_q + error.type()));
+			})).handleFloodErrors().send();
+		};
+
+		controller->show(Box([=](not_null<Ui::GenericBox*> box) {
+			box->setTitle(tr::lng_suggest_birthday_box_title(
+				lt_user,
+				Info::Profile::NameValue(targetUser)));
+			Ui::EditBirthdayBox(box, Data::Birthday(), save, true);
+		}));
+		return true;
+	}
+
 	const auto user = controller->session().user();
 	const auto save = [=](Data::Birthday result) {
 		user->setBirthday(result);
@@ -950,8 +998,8 @@ bool ShowEditBirthday(
 				: (u"Error: "_q + error.type()));
 		})).handleFloodErrors().send();
 	};
-	if (match->captured(1).isEmpty()) {
-		controller->show(Box(Ui::EditBirthdayBox, user->birthday(), save));
+	if (captured.isEmpty()) {
+		controller->show(Box(Ui::EditBirthdayBox, user->birthday(), save, 0));
 	} else {
 		controller->show(Box([=](not_null<Ui::GenericBox*> box) {
 			Ui::EditBirthdayBox(box, user->birthday(), save);

Telegram/SourceFiles/ui/boxes/edit_birthday_box.cpp

@@ -25,7 +25,8 @@ class GenericBox;
 void EditBirthdayBox(
 		not_null<Ui::GenericBox*> box,
 		Data::Birthday current,
-		Fn<void(Data::Birthday)> save) {
+		Fn<void(Data::Birthday)> save,
+		bool useSuggestText) {
 	box->setWidth(st::boxWideWidth);
 	const auto content = box->addRow(object_ptr<Ui::FixedHeightWidget>(
 		box,
@@ -209,7 +210,10 @@ void EditBirthdayBox(
 		return base::EventFilterResult::Continue;
 	});
 
-	box->addButton(tr::lng_settings_save(), [=] {
+	auto confirmText = useSuggestText
+		? tr::lng_suggest_birthday_box_confirm()
+		: tr::lng_settings_save();
+	box->addButton(std::move(confirmText), [=] {
 		const auto result = Data::Birthday(
 			state->days.current()->index() + 1,
 			state->months.current()->index() + 1,

Telegram/SourceFiles/ui/boxes/edit_birthday_box.h

@@ -18,6 +18,7 @@ class GenericBox;
 void EditBirthdayBox(
 	not_null<Ui::GenericBox*> box,
 	Data::Birthday current,
-	Fn<void(Data::Birthday)> save);
+	Fn<void(Data::Birthday)> save,
+	bool useConfirmText = false);
 
 } // namespace Ui