/// <summary>
/// Finds a class within a given time range.
/// </summary>
/// <returns>The first class found, or null if none were found.</returns>
public Session FindClassDuring(Timeslot timeslot, bool selected)
{
return
(ClassList.Where(session => !selected || session.Stream.Selected)
.FirstOrDefault(session => session.ClashesWith(timeslot)));
}
/// <summary>
/// Check if there is a class within a given time range.
/// </summary>
public bool ClassDuring(Timeslot timeslot, bool selected)
{
return(FindClassDuring(timeslot, selected) != null);
}
/// <summary>
/// Find an unavailable timeslot within the given range.
/// </summary>
/// <returns>The first unavailable timeslot found within the range, or null if none were found.</returns>
public Unavailability FindUnavailableDuring(Timeslot timeslot)
{
return(UnavailableList.FirstOrDefault(u => u.ClashesWith(timeslot)));
}
/// <summary>
/// Check if there is an unavailable timeslot within the given timeslot.
/// </summary>
public bool UnavailableDuring(Timeslot timeslot)
{
return(FindUnavailableDuring(timeslot) != null);
}
/// <summary>
/// Check if a given timeslot is free.
/// </summary>
/// <returns>True if there is nothing on during the timeslot.</returns>
public bool FreeDuring(Timeslot timeslot, bool selected)
{
return(!ClassDuring(timeslot, selected) &&
!UnavailableDuring(timeslot));
}
public Unavailability(string name, Timeslot time)
: base(time)
{
Name = name;
}