Exemplo n.º 1
0
        public RawDate AddDays(RawDate rawDate, int numberOfDaysToAdd)
        {
            if (numberOfDaysToAdd == 0)
            {
                return(rawDate);
            }

            if (numberOfDaysToAdd < 0)
            {
                return(new RawDate());
            }

            if (!rawDate.IsDateValid(rawDate.rawDate))
            {
                return(new RawDate());
            }

            string [] splitDate = rawDate.rawDate.Split('/');

            int days   = int.Parse(splitDate[0]);
            int month  = int.Parse(splitDate[1]);
            int year   = int.Parse(splitDate[2]);
            var months = Month.GetMonths();

            days += numberOfDaysToAdd;

            int daysThisMonth = months.Find(m => m.MonthNumber == month).DaysInMonth;

            if (LeapYear.IsLeapYear(year) && month == 2)
            {
                daysThisMonth += 1;
            }

            while (days > daysThisMonth)
            {
                days = days - daysThisMonth;

                if (month == 12)
                {
                    month = 1;
                    year++;
                }
                else
                {
                    month++;
                }

                daysThisMonth = months.Find(m => m.MonthNumber == month).DaysInMonth;

                if (LeapYear.IsLeapYear(year) && month == 2)
                {
                    Debug.WriteLine("leapyear" + year);
                    daysThisMonth += 1;
                }
            }

            return(new RawDate()
            {
                rawDate = days.ToString("0#") + "/" + month.ToString("0#") + "/" + year.ToString("0000")
            });
        }
Exemplo n.º 2
0
        public bool IsDateValid(string date)
        {
            if (string.IsNullOrEmpty(date))
            {
                return(false);
            }

            if (date.Length != 10)
            {
                return(false);
            }

            if (Regex.Matches(date, "/").Count != 2)
            {
                return(false);
            }

            string numbersWithoutForwardSlashes = date.Replace(@"/", "");

            int i;

            if (!int.TryParse(numbersWithoutForwardSlashes, out i))
            {
                return(false);
            }

            string [] splitDate = date.Split('/');

            int monthNumber = ParseString(splitDate[1]);

            if (monthNumber > 12 || monthNumber < 1)
            {
                return(false);
            }

            int dayNumber = ParseString(splitDate[0]);

            if (dayNumber > 31 || dayNumber < 1)
            {
                return(false);
            }

            int year = ParseString(splitDate[2]);

            if (year < 1)
            {
                return(false);
            }

            var months = Month.GetMonths();

            var daysInMonth = months.Find(m => m.MonthNumber == monthNumber).DaysInMonth;

            if (monthNumber == 2 && LeapYear.IsLeapYear(year) && daysInMonth < 29)
            {
                daysInMonth++;
            }

            if (dayNumber > daysInMonth)
            {
                return(false);
            }

            return(true);
        }