/// <summary>
/// Method to calculate leap year count till given date
/// </summary>
/// <param name="date">Date object</param>
/// <returns>Leap year count</returns>
private int GetLeapYearCount(model.Date date)
{
// Get year component from date
int totalYears = date.Year;
// If selected month is Jan or Feb, do not consider selected year for calculating leap years
if (date.Month <= 2)
{
totalYears--;
}
// Get total number of leap years till given year
return(totalYears / 4 - totalYears / 100 + totalYears / 400);
}
/// <summary>
/// Method to get days counts for given date
/// </summary>
/// <param name="date">Date object</param>
/// <returns>Days count from given date</returns>
public int GetDaysCountTillGivenDate(model.Date date)
{
// Multiply year value with 365 and add days
int days = date.Year * 365 + date.Day;
// Calculate days till given month and add then in total days count
for (int i = 0; i < date.Month - 1; i++)
{
days += daysInMonth[i];
}
// Calculate leap year count and add a day for each year in days count
days += GetLeapYearCount(date);
// Return day count
return(days);
}