//from time stamp
/// <summary>
/// <para>Initialize a new instance of TimeStamp class of a specified long timeStamp</para>
/// </summary>
/// <returns>TimeStamp timeStamp</returns>
public TimeStamp(long timeStamp, bool earliest = false)
{
if (!earliest)
{
_timeStamp = timeStamp;
_date = GetDate(_timeStamp);
}
else
{
var dt = GetDate(timeStamp);
var ts = new TimeStamp(dt, true);
_timeStamp = ts.ToLong();
_date = ts.Date;
}
}
//getting date difference in second, menute, hours, days, months, and years
//this will serve for time ago
/// <summary>
/// <para>Returns the value of an int representing the value of the year difference between</para>
/// <para>this instance and the timeStamp. -ve returns means the timeStamp is ahead of this</para>
/// </summary>
/// <returns>int YearsDifference</returns>
public int YearsDifference(TimeStamp timeStamp)
{
return Math.Abs(Year - timeStamp.Year);
}
/// <summary>
/// <para>Returns the value of an int representing the value of the extra minute difference</para>
/// <para> between this instance and the timeStamp. -ve return means the second is ahead</para>
/// </summary>
/// <returns>int MinuteDifferenc</returns>
public int SecondsDifference(TimeStamp timeStamp)
{
int diff = 0;
if (ToLong() > timeStamp.ToLong())
{
//time ago. first = this
if (Second < timeStamp.Second)
{
diff = timeStamp.Second - Second;
if (MilliSecond > timeStamp.MilliSecond)
diff -= 1;
}
else
{
diff = (60 - timeStamp.Second) + Second;
}
}
else
{
//time ahead. first = timeStamp
}
return diff;
}
/// <summary>
/// <para>Returns the value of an int representing the value of the extra month difference</para>
/// <para> between this instance and the timeStamp. -ve return means the month is ahead</para>
/// </summary>
/// <returns>int MonthDifference</returns>
public int MonthDifference(TimeStamp timeStamp)
{
int diff = 0;
if (ToLong() > timeStamp.ToLong())
{
//time ago. first = this
if (Month < timeStamp.Month)
{
diff = timeStamp.Month - Month;
if (Day > timeStamp.Day)
diff -= 1;
}
else
{
diff = (12 - timeStamp.Month) + Month;
}
}
else
{
//time ahead. first = timeStamp
}
return diff;
}
/// <summary>
/// <para>Returns the value of an int representing the value of the extra minute difference</para>
/// <para> between this instance and the timeStamp. -ve return means the minute is ahead</para>
/// </summary>
/// <returns>int MinuteDifferenc</returns>
public int MinuteDifferenc(TimeStamp timeStamp)
{
int diff = 0;
if (ToLong() > timeStamp.ToLong())
{
//time ago. first = this
if (Minute < timeStamp.Minute)
{
diff = timeStamp.Minute - Minute;
if (Second > timeStamp.Second)
diff -= 1;
}
else
{
diff = (60 - timeStamp.Minute) + Minute;
}
}
else
{
//time ahead. first = timeStamp
}
return diff;
}
/// <summary>
/// <para>Returns the value of an int representing the value of the minute difference</para>
/// <para> between this instance and the timeStamp. -ve return means the second is ahead</para>
/// </summary>
/// <returns>int MinuteDifferenc</returns>
public int MilliSecondsDifference(TimeStamp timeStamp)
{
int diff = 0;
if (ToLong() > timeStamp.ToLong())
{
//time ago. first = this
if (MilliSecond < timeStamp.MilliSecond)
diff = timeStamp.MilliSecond - MilliSecond;
else
{
diff = (1000 - timeStamp.MilliSecond) + MilliSecond;
}
}
else
{
//time ahead. first = timeStamp
}
return diff;
}
/// <summary>
/// <para>Returns the value of an int representing the value of the extra hour difference</para>
/// <para> between this instance and the timeStamp. -ve return means the hour is ahead</para>
/// </summary>
/// <returns>int HourDifference</returns>
public int HourDifference(TimeStamp timeStamp)
{
int diff = 0;
if (ToLong() > timeStamp.ToLong())
{
//time ago. first = this
if (Hour < timeStamp.Hour)
{
diff = timeStamp.Hour - Hour;
if (Minute > timeStamp.Minute)
diff -= 1;
}
else
{
diff = (24 - timeStamp.Hour) + Hour;
}
}
else
{
//time ahead. first = timeStamp
}
return diff;
}
/// <summary>
/// <para>Returns the value of an int representing the value of the exta day difference</para>
/// <para> between this instance and the timeStamp. -ve return means the day is ahead</para>
/// </summary>
/// <returns>int DaysDifference</returns>
public int DaysDifference(TimeStamp timeStamp)
{
int diff = 0;
TimeStamp t1, t2;
if (ToLong() > timeStamp.ToLong())
{
t1 = this;
t2 = timeStamp;
}
else
{
t1 = timeStamp;
t2 = this;
}
if (t1.Month == t2.Month)
diff = t1.Day - t2.Day;
else
diff = (DateTime.DaysInMonth(t2.Year, t2.Month) - t2.Day) + t1.Day;
return diff;
}
/// <summary>
/// <para>Returns a new value of TimeStamp that add the specified TimeStamp to this instance(which will not be changed)</para>
/// </summary>
/// <returns>TimeStamp timeStamp</returns>
///
public TimeStamp Add(TimeStamp timeStamp)
{
return addTimeUnits(timeStamp.Year, timeStamp.Month, timeStamp.Day, timeStamp.Hour, timeStamp.Minute, timeStamp.Second, timeStamp.MilliSecond);
}