/// <summary>
/// Determines whether or not a Student can register for a course.
/// </summary>
/// <param name="student">The Student to register to the Course.</param>
/// <param name="course">The Course to register the Student for.</param>
/// <returns>True if the Student can register for the Course.</returns>
private bool CanRegisterForCourse(Student student, CourseSchedule courseSchedule)
{
bool successful = true;
TimeSpan startTime = courseSchedule.Schedule.StartTime;
TimeSpan endTime = ScheduleTime.GetEndTime(startTime, courseSchedule.Schedule.TimeBlocks);
if (courseSchedule.ProfessorId == student.PersonId)
{
successful = false;
}
else if (GetNumberOfStudentsInCourse(courseSchedule) >= courseSchedule.Capacity)
{
successful = false;
}
else
{
foreach (StudentSchedule existingSchedule in student.StudentSchedules.Where(s => s.Enrolled))
{
TimeSpan oldStartTime = existingSchedule.CourseSchedule.Schedule.StartTime;
TimeSpan oldEndTime = ScheduleTime.GetEndTime(oldStartTime, existingSchedule.CourseSchedule.Schedule.TimeBlocks);
if (ScheduleTime.TimesOverlap(startTime, endTime, oldStartTime, oldEndTime))
{
successful = false;
}
}
}
return(successful);
}
public void Test_TimesOverlap_False()
{
TimeSpan startTime1 = new TimeSpan(8, 0, 0);
TimeSpan endTime1 = new TimeSpan(9, 15, 0);
TimeSpan startTime2 = new TimeSpan(9, 30, 0);
TimeSpan endTime2 = new TimeSpan(10, 45, 0);
Assert.False(ScheduleTime.TimesOverlap(startTime1, endTime1, startTime2, endTime2));
}
/// <summary>
/// Schedule a new time block for a Course.
/// </summary>
/// <param name="course">The Course to schedule.</param>
/// <param name="schedule">The Schedule time the Course will take place over.</param>
/// <param name="professor">The Person who will be the professor for the class.</param>
/// <param name="capacity">The total capacity of the Course.</param>
/// <returns>True if the addition was successful.</returns>
public bool ScheduleCourse(Course course, Schedule schedule, Person professor, short capacity)
{
bool successful = true;
TimeSpan startTime = schedule.StartTime;
TimeSpan endTime = ScheduleTime.GetEndTime(startTime, schedule.TimeBlocks);
if (capacity <= 0)
{
successful = false;
}
else
{
foreach (CourseSchedule existingSchedule in professor.CourseSchedules)
{
TimeSpan oldStartTime = existingSchedule.Schedule.StartTime;
TimeSpan oldEndTime = ScheduleTime.GetEndTime(oldStartTime, existingSchedule.Schedule.TimeBlocks);
if (ScheduleTime.TimesOverlap(startTime, endTime, oldStartTime, oldEndTime))
{
successful = false;
}
}
}
if (successful)
{
db.CourseSchedules.Add(new CourseSchedule {
Course = course,
Schedule = schedule,
Person = professor,
Capacity = capacity
});
db.SaveChanges();
}
return(successful);
}