/// <summary>
/// Gets the time period representing the intersection of the two periods.
/// If the periods does not intersect then null is returned
/// </summary>
/// <param name="period">The period.</param>
/// <returns></returns>
/// <remarks>
/// Created by: micke
/// Created date: 4.12.2007
/// </remarks>
public TimePeriod? Intersection(TimePeriod period)
{
if (!Intersect(period))
return null;
TimeSpan start = StartTime;
if (period.StartTime > start)
start = period.StartTime;
TimeSpan end = EndTime;
if (period.EndTime < end)
end = period.EndTime;
return new TimePeriod(start,end);
}
public TimePeriod FitHours(int hoursToAddAtBeginningAndEnd)
{
TimePeriod tempPeriod = FitHours();
if(hoursToAddAtBeginningAndEnd > 0)
{
TimeSpan adder = new TimeSpan(1, 0, 0);
if(tempPeriod == this)
{
tempPeriod = new TimePeriod(StartTime.Subtract(adder), EndTime.Add(adder));
}
else
{
if (tempPeriod.StartTime == StartTime)
tempPeriod = new TimePeriod(StartTime.Subtract(adder), tempPeriod.EndTime);
if (tempPeriod.EndTime == EndTime)
tempPeriod = new TimePeriod(tempPeriod.StartTime, EndTime.Add(adder));
}
if (hoursToAddAtBeginningAndEnd > 1)
{
adder = new TimeSpan(hoursToAddAtBeginningAndEnd - 1, 0, 0);
tempPeriod = new TimePeriod(tempPeriod.StartTime.Subtract(adder), tempPeriod.EndTime.Add(adder));
}
}
return tempPeriod;
}
/// <summary>
/// Does the two periods intersect.
/// </summary>
/// <param name="period">The period.</param>
/// <returns></returns>
/// <remarks>
/// Created by: micke
/// Created date: 4.12.2007
/// </remarks>
public bool Intersect(TimePeriod period)
{
if (Contains(period.StartTime)||Contains(period.EndTime.Subtract(new TimeSpan(1))))
return true;
if (period.Contains(this))
return true;
//if (Contains(period)) this is the same as the row before
// return true;
return false;
}
/// <summary>
/// Indicates whether the current object is equal to another object of the same type.
/// </summary>
/// <param name="other">An object to compare with this object.</param>
/// <returns>
/// true if the current object is equal to the other parameter; otherwise, false.
/// </returns>
public bool Equals(TimePeriod other)
{
return _period == other._period;
}
/// <summary>
/// Determines whether the specified period contains part.
/// </summary>
/// <param name="period">The period.</param>
/// <returns>
/// <c>true</c> if the specified period contains part; otherwise, <c>false</c>.
/// </returns>
/// <remarks>
/// Created by: peterwe
/// Created date: 2007-11-13
/// </remarks>
public bool ContainsPart(TimePeriod period)
{
if (ContainsPart(period.StartTime) || ContainsPart(period.EndTime))
return true;
if (period.Contains(this))
return true;
return false;
}
/// <summary>
/// Determines whether [contains] [the specified period].
/// </summary>
/// <param name="period">The period.</param>
/// <returns>
/// <c>true</c> if [contains] [the specified period]; otherwise, <c>false</c>.
/// </returns>
/// <remarks>
/// Created by: peterwe
/// Created date: 2007-11-13
/// </remarks>
public bool Contains(TimePeriod period)
{
return (ContainsPart(period.StartTime) && ContainsPart(period.EndTime));
}
/// <summary>
/// Returns an list of ordered by StartTime
/// </summary>
/// <param name="periods">The periods.</param>
/// <returns></returns>
/// <remarks>
/// Created by: henrika
/// Created date: 2008-04-23
/// </remarks>
public static IList<TimePeriod> Combine(IList<TimePeriod> periods)
{
List<TimePeriod> retList = new List<TimePeriod>();
List<TimePeriod> orderedList = (List<TimePeriod>)periods;
orderedList.Sort();
foreach (TimePeriod period in orderedList)
{
if (retList.Count != 0)
{
if (retList[retList.Count - 1].Intersect(period))
{
if (retList[retList.Count - 1].EndTime < period.EndTime)
{
TimePeriod newTimePeriod = new TimePeriod(retList[retList.Count - 1].StartTime, period.EndTime);
retList.Remove(retList[retList.Count - 1]);
retList.Add(newTimePeriod);
}
}
else retList.Add(period);
}
else retList.Add(period);
}
return retList;
}
/// <summary>
/// Aligns to minutes.
/// </summary>
/// <param name="timePeriod">The time period.</param>
/// <param name="minutes">The minutes.</param>
/// <returns></returns>
/// <remarks>
/// Created by: HenryG
/// Created date: 2009-01-21
/// </remarks>
public static TimePeriod AlignToMinutes(TimePeriod timePeriod, int minutes)
{
long minutesTicks = new TimeSpan(0, minutes, 0).Ticks;
TimeSpan startTimeSpan = TimeSpan.FromTicks(divideAndMultiply(timePeriod.StartTime.Ticks, minutesTicks));
TimeSpan endTimeSpan;
if (timePeriod.EndTime.Minutes == 0)
{
endTimeSpan = timePeriod.EndTime;
}
else
{
endTimeSpan = TimeSpan.FromTicks(divideAndMultiply(timePeriod.EndTime.Ticks, minutesTicks) + minutesTicks);
}
TimePeriod newTimePeriod = new TimePeriod(startTimeSpan, endTimeSpan);
return newTimePeriod;
}