Switch from Qt6 to Slint

lib/mirai-core/DateTime.h

@@ -0,0 +1,95 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#pragma once
+
+#include <bits/chrono.h>
+#include <chrono>
+#include <ctime>
+#include <optional>
+#include <string>
+
+namespace mirai
+{
+
+struct Date {
+	explicit Date(int year, unsigned month, unsigned day) : year(year), month(month), day(day)
+	{
+	}
+
+	explicit Date(std::chrono::time_point<std::chrono::system_clock> tp)
+	{
+		auto chronoDate = std::chrono::year_month_day(std::chrono::floor<std::chrono::days>(tp));
+		year = static_cast<int>(chronoDate.year());
+		month = static_cast<unsigned>(chronoDate.month());
+		day = static_cast<unsigned>(chronoDate.day());
+	}
+
+	explicit Date(std::chrono::year_month_day chronoDate)
+	{
+		year = static_cast<int>(chronoDate.year());
+		month = static_cast<unsigned>(chronoDate.month());
+		day = static_cast<unsigned>(chronoDate.day());
+	}
+
+	int year;
+	unsigned month;
+	unsigned day;
+
+	bool operator==(const Date &other) const
+	{
+		return other.year == year && other.month == month && other.day == day;
+	}
+
+	bool operator<(const Date &other) const
+	{
+		if (year < other.year) {
+			return true;
+		}
+		if (year == other.year && month < other.month) {
+			return true;
+		}
+		if (year == other.year && month == other.month && day < other.day) {
+			return true;
+		}
+		return false;
+	}
+
+	bool operator>(const Date &other) const
+	{
+		return !(*this < other) && !(*this == other);
+	}
+};
+
+struct Time {
+	int hour;
+	int minute;
+
+	bool operator==(const Time &other) const
+	{
+		return other.hour == hour && other.minute == minute;
+	}
+
+	bool operator<(const Time &other) const
+	{
+		if (hour < other.hour) {
+			return true;
+		}
+		if (hour == other.hour && minute < other.minute) {
+			return true;
+		}
+		return false;
+	}
+
+	bool operator>(const Time &other) const
+	{
+		return !(*this < other) && !(*this == other);
+	}
+};
+
+std::optional<mirai::Date> stringToDate(const std::string &dateStr);
+
+} // namespace mirai