public bool Equals(DayPeriod other)
{
return(other.Start == Start && other.End == End);
}
public TimeSpan GetIntersectDuration(DayPeriod other)
{
if (other.Start >= TimeSpan.FromDays(1) || other.Start < TimeSpan.Zero)
{
throw new ArgumentException();
}
if (other.End >= TimeSpan.FromDays(1) || other.End < TimeSpan.Zero)
{
throw new ArgumentException();
}
// 1
if (Start > End && other.Start > other.End)
{
// 1-1
if (other.Start <= Start && other.End >= End)
{
return((TimeSpan.FromDays(1) - Start) + End);
}
// 1-2
if (other.Start > Start && other.End >= End)
{
return((TimeSpan.FromDays(1) - other.Start) + End);
}
// 1-3
if (other.Start <= Start && other.End < End)
{
return((TimeSpan.FromDays(1) - Start) + other.End);
}
// 1-4
if (other.Start > Start && other.End < End)
{
return((TimeSpan.FromDays(1) - other.Start) + other.End);
}
}
// 2
if (Start > End && other.Start < other.End)
{
// 2-1
if (other.Start <= Start && other.End > Start)
{
return(other.End - Start);
}
// 2-2
if (other.Start > Start && other.End > Start)
{
return(other.End - other.Start);
}
// 2-3
if (other.Start < End && other.End >= End)
{
return(End - other.Start);
}
// 2-4
if (other.Start < End && other.End <= End)
{
return(other.End + other.Start);
}
}
// 3
if (Start < End && other.Start < other.End)
{
// 3-1
if (other.Start <= Start && other.End >= End)
{
return(End - Start);
}
// 3-2
if (other.Start > Start && other.Start < End && other.End >= End)
{
return(End - other.Start);
}
// 3-3
if (other.Start <= Start && other.End < End && other.End > Start)
{
return(other.End + Start);
}
// 3-4
if (other.Start > Start && other.End < End)
{
return(other.End - other.Start);
}
}
// 4
if (Start < End && other.Start > other.End)
{
// 4-1
if (other.Start <= End && other.End >= Start)
{
return((End - other.Start) + (other.End - Start));
}
// 4-2
if (other.Start <= End && other.End < Start)
{
return(End - other.Start);
}
// 4-3
if (other.Start > End && other.End >= Start)
{
return(other.End + Start);
}
}
return(TimeSpan.Zero);
}
public bool IsIntersects(DayPeriod other)
{
if (other.Start >= TimeSpan.FromDays(1) || other.Start < TimeSpan.Zero)
{
throw new ArgumentException();
}
if (other.End >= TimeSpan.FromDays(1) || other.End < TimeSpan.Zero)
{
throw new ArgumentException();
}
// 1
if (Start > End && other.Start > other.End)
{
// 1-1
if (other.Start <= Start && other.End >= End)
{
return(true);
}
// 1-2
if (other.Start > Start && other.End >= End)
{
return(true);
}
// 1-3
if (other.Start <= Start && other.End < End)
{
return(true);
}
// 1-4
if (other.Start > Start && other.End < End)
{
return(true);
}
}
// 2
if (Start > End && other.Start < other.End)
{
// 2-1
if (other.Start <= Start && other.End > Start)
{
return(true);
}
// 2-2
if (other.Start > Start && other.End > Start)
{
return(true);
}
// 2-3
if (other.Start < End && other.End >= End)
{
return(true);
}
// 2-4
if (other.Start < End && other.End <= End)
{
return(true);
}
}
// 3
if (Start < End && other.Start < other.End)
{
// 3-1
if (other.Start <= Start && other.End >= End)
{
return(true);
}
// 3-2
if (other.Start > Start && other.Start < End && other.End >= End)
{
return(true);
}
// 3-3
if (other.Start <= Start && other.End < End && other.End > Start)
{
return(true);
}
// 3-4
if (other.Start > Start && other.End < End)
{
return(true);
}
}
// 4
if (Start < End && other.Start > other.End)
{
// 4-1
if (other.Start <= End && other.End >= Start)
{
return(true);
}
// 4-2
if (other.Start <= End && other.End < Start)
{
return(true);
}
// 4-3
if (other.Start > End && other.End >= Start)
{
return(true);
}
}
return(false);
}