private CourseOffering CreateCourseOffering(Course course, Section section, AcademicSemester currentActiveSemester)
{
var courseOffering = new CourseOffering
{
SectionId = section.Id,
CourseId = course.Id,
AcademicSemesterId = currentActiveSemester.Id
};
if (course.Lecture > 0)
{
courseOffering.Instructors.Add(new InstructorAssignment
{
TypeId = 1
});
courseOffering.Rooms.Add(new CourseOfferingRoomAssignment
{
TypeId = 1
});
}
if (course.Lab > 0)
{
courseOffering.Instructors.Add(new InstructorAssignment
{
TypeId = 2
});
courseOffering.Rooms.Add(new CourseOfferingRoomAssignment
{
TypeId = 2,
LabTypeId = course.LabTypeId
});
}
if (course.Tutor > 0)
{
courseOffering.Instructors.Add(new InstructorAssignment
{
TypeId = 3
});
courseOffering.Rooms.Add(new CourseOfferingRoomAssignment
{
TypeId = 3
});
}
return(courseOffering);
}
public ActionResult SaveSemester(AcademicSemestersViewModel model)
{
if (ModelState.IsValid)
{
var academicSemester = new AcademicSemester
{
AcademicYearId = model.AcademicYearId,
CurrentSemester = true,
Semester = model.Semester,
StartDate = model.StartDate,
EndDate = model.EndDate
};
var academicSemesterStartEvent = new AcademicEvent
{
Subject = "Academic Semester Start Date",
Description = $"Semester {academicSemester.AcademicSemesterTitle} Start Date",
Start = model.StartDate
};
var academicSemesterEndEvent = new AcademicEvent
{
Subject = "Academic Semester End Date",
Description = $"Semester {academicSemester.AcademicSemesterTitle} End Date",
Start = model.EndDate
};
var previousSemesters = _context.AcademicSemesters.Where(s => s.CurrentSemester);
foreach (var semester in previousSemesters)
{
semester.CurrentSemester = false;
}
_context.AcademicSemesters.Add(academicSemester);
_context.AcademicEvents.Add(academicSemesterStartEvent);
_context.AcademicEvents.Add(academicSemesterEndEvent);
_context.SaveChanges();
return(RedirectToAction("Index", "Home"));
}
return(View("Index"));
}
private async Task <ICollection <Schedule> > InitializePopulation(Section section, ScheduleConfiguration scheduleConfiguration, AcademicSemester currentSemester)
{
ICollection <Schedule> population = new Collection <Schedule>();
var weekDays = await unitOfWork.WeekDays.GetFirstWeekDays(scheduleConfiguration.NumberOfDaysPerWeek);
for (int i = 0; i < GeneticAlgorithmConf.POPULATION_SIZE; i++)
{
var schedule = helper.InitializeScheduleForSection(section, scheduleConfiguration, weekDays.ToList(), currentSemester);
population.Add(schedule);
}
return(population);
}
public Schedule InitializeScheduleForSection(Section section, ScheduleConfiguration scheduleConfiguration, IList <WeekDay> weekDays, AcademicSemester academicSemester)
{
var schedule = new Schedule(section, scheduleConfiguration, weekDays, academicSemester);
foreach (var courseOffering in section.CourseOfferings)
{
var lecture = courseOffering.Course.Lecture;
var tutor = courseOffering.Course.Tutor;
var lab = courseOffering.Course.Lab;
while (lecture > 0)
{
var randDay = Helper.GetRandomInteger(scheduleConfiguration.NumberOfDaysPerWeek);
var lectureInstructor = GetInstructor(courseOffering, LECTURE_ID);
var lectureRoom = GetRoom(courseOffering, LECTURE_ID);
var scheduleEntry = CreateScheduleEntry(courseOffering.Course, lectureInstructor, lectureRoom, LECTURE_ID);
if (lecture >= GeneticAlgorithmConf.MAX_CONSECUTIVE_LECTURE)
{
scheduleEntry.Duration = GeneticAlgorithmConf.MAX_CONSECUTIVE_LECTURE;
lecture -= schedule.AddScheduleEntry(scheduleEntry, randDay);
}
else if (lecture > 0)
{
scheduleEntry.Duration = GeneticAlgorithmConf.MAX_CONSECUTIVE_LECTURE - 1;
lecture -= schedule.AddScheduleEntry(scheduleEntry, randDay);
}
}
while (tutor > 0)
{
var randDay = Helper.GetRandomInteger(scheduleConfiguration.NumberOfDaysPerWeek);
var tutorInstructor = GetInstructor(courseOffering, TUTOR_ID);
var tutorRoom = GetRoom(courseOffering, TUTOR_ID);
var scheduleEntry = CreateScheduleEntry(courseOffering.Course, tutorInstructor, tutorRoom, TUTOR_ID, duration: 1);
tutor -= schedule.AddScheduleEntry(scheduleEntry, randDay);
}
while (lab > 0)
{
var randDay = Helper.GetRandomInteger(scheduleConfiguration.NumberOfDaysPerWeek);
var labInstructor = GetInstructor(courseOffering, LAB_ID);
var labRoom = GetRoom(courseOffering, LAB_ID);
var scheduleEntry = CreateScheduleEntry(courseOffering.Course, labInstructor, labRoom, LAB_ID);
if (lab >= GeneticAlgorithmConf.MAX_CONSECUTIVE_LAB)
{
scheduleEntry.Duration = GeneticAlgorithmConf.MAX_CONSECUTIVE_LAB;
lab -= schedule.AddScheduleEntry(scheduleEntry, randDay);
}
else if (lab >= (GeneticAlgorithmConf.MAX_CONSECUTIVE_LAB - 1))
{
scheduleEntry.Duration = GeneticAlgorithmConf.MAX_CONSECUTIVE_LAB - 1;
lab -= schedule.AddScheduleEntry(scheduleEntry, randDay);
}
}
}
return(schedule);
}
