archived-discord-bot/CompatBot/Utils/Extensions/DateTimeEx.cs

using System;

namespace CompatBot.Utils
{
    public static class DateTimeEx
    {
        public static DateTime AsUtc(this DateTime dateTime)
        {
            if (dateTime.Kind == DateTimeKind.Utc)
                return dateTime;

            return new DateTime(dateTime.Ticks, DateTimeKind.Utc);
        }

        public static DateTime AsUtc(this long ticks)
        {
            return new(ticks, DateTimeKind.Utc);
        }


        public static string AsShortTimespan(this TimeSpan timeSpan)
        {
            var totalSeconds = timeSpan.TotalSeconds;
            var totalSecondsInt = (int)totalSeconds;
            var totalMinutes = totalSeconds / 60;
            var totalMinutesInt = (int)totalMinutes;
            var totalHours = totalMinutes / 60;
            var totalHoursInt = (int)totalHours;
            var totalDays = totalHours / 24;
            var totalDaysInt = (int)totalDays;
            var totalWeeks = totalDays / 7;
            var totalWeeksInt = (int)totalWeeks;
            var totalMonths = totalDays / 30;
            var totalMonthsInt = (int)totalMonths;
            var totalYears = totalDays / 365.25;
            var totalYearsInt = (int)totalYears;

            var years = totalYearsInt;
            var months = totalMonthsInt - years * 12;
            var weeks = totalWeeksInt - years * 52 - months * 4;
            var days = totalDaysInt - totalWeeksInt * 7;
            var hours = totalHoursInt - totalDaysInt * 24;
            var minutes = totalMinutesInt - totalHoursInt * 60;
            var seconds = totalSecondsInt - totalMinutesInt * 60;

            var result = "";
            if (years > 0)
                result += years + "y ";
            if (months > 0)
                result += months + "m ";
            if (weeks > 0)
                result += weeks + "w ";
            if (days > 0)
                result += days + "d ";
            if (hours > 0)
                result += hours + "h ";
            if (minutes > 0)
                result += minutes + "m ";
            if (string.IsNullOrEmpty(result))
                result = seconds + "s";
            return result.TrimEnd();
        }

    }
}