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Telegram/SourceFiles/data/data_birthday.h

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+namespace Data {
+
+class Birthday final {
+public:
+	constexpr Birthday() = default;
+	Birthday(int day, int month, int year = 0);
+
+	[[nodiscard]] static Birthday FromSerialized(int value);
+	[[nodiscard]] int serialize() const;
+
+	[[nodiscard]] bool valid() const;
+
+	[[nodiscard]] int day() const;
+	[[nodiscard]] int month() const;
+	[[nodiscard]] int year() const;
+
+	explicit operator bool() const {
+		return valid();
+	}
+
+	friend inline constexpr auto operator<=>(Birthday, Birthday) = default;
+	friend inline constexpr bool operator==(Birthday, Birthday) = default;
+
+	static constexpr auto kYearMin = 1875;
+	static constexpr auto kYearMax = 2100;
+
+private:
+	int _value = 0;
+
+};
+
+[[nodiscard]] QString BirthdayText(Birthday date);
+[[nodiscard]] QString BirthdayCake();
+[[nodiscard]] int BirthdayAge(Birthday date);
+[[nodiscard]] bool IsBirthdayToday(Birthday date);
+[[nodiscard]] rpl::producer<bool> IsBirthdayTodayValue(Birthday date);
+
+} // namespace Data