public static string GetTotalHoursWithMinutes(DateTime datetime)
{
var dtSpan = DateTimeSpan.CompareDates(datetime, DateTime.Now);
string totalHours = string.Empty;
string totalDays = string.Empty;
string totalMonths = string.Empty;
int months = dtSpan.Years < 1 ? dtSpan.Months : (dtSpan.Years * 12) + dtSpan.Months;
if (months > 0)
{
totalMonths = months == 1 ? months + " month " : months + " months ";
}
if (dtSpan.Days >= 0)
{
totalDays = dtSpan.Days <= 1 && !string.IsNullOrEmpty(totalMonths) ? dtSpan.Days + " day " : dtSpan.Days != 0 ? dtSpan.Days + " days " : string.Empty;
}
if (dtSpan.Hours >= 0)
{
totalHours = dtSpan.Hours <= 1 && !string.IsNullOrEmpty(totalDays) ? dtSpan.Hours + " hr " : dtSpan.Hours != 0 ? dtSpan.Hours + " hrs " : string.Empty;
}
string totalMinutes = dtSpan.Minutes <= 1 ? dtSpan.Minutes + " min" : dtSpan.Minutes + " mins";
return(totalMonths + totalDays + totalHours + totalMinutes);
}
public static DateTimeSpan CompareDates(DateTime date1, DateTime date2)
{
if (date2 < date1)
{
var sub = date1;
date1 = date2;
date2 = sub;
}
DateTime current = date1;
int years = 0;
int months = 0;
int days = 0;
Phase phase = Phase.Years;
DateTimeSpan span = new DateTimeSpan();
while (phase != Phase.Done)
{
switch (phase)
{
case Phase.Years:
if (current.AddYears(years + 1) > date2)
{
phase = Phase.Months;
current = current.AddYears(years);
}
else
{
years++;
}
break;
case Phase.Months:
if (current.AddMonths(months + 1) > date2)
{
phase = Phase.Days;
current = current.AddMonths(months);
}
else
{
months++;
}
break;
case Phase.Days:
if (current.AddDays(days + 1) > date2)
{
current = current.AddDays(days);
var timespan = date2 - current;
span = new DateTimeSpan(years, months, days, timespan.Hours, timespan.Minutes, timespan.Seconds, timespan.Milliseconds);
phase = Phase.Done;
}
else
{
days++;
}
break;
}
}
return(span);
}
