public Lecture CreateLecture(CreateLectureDTO lectureDTO)
{
var lecture = new Lecture()
{
TeacherId = lectureDTO.TeacherId,
StudentClassId = lectureDTO.StudentClassId,
Title = lectureDTO.Title,
Start = lectureDTO.Start,
End = lectureDTO.End,
Status = LectureStatus.Ahead,
Subject = (Subject)Enum.Parse(typeof(Subject), lectureDTO.SubjectName)
};
return(lecture);
}
public void View_AddLectureClick(object sender, AddNewLectureEventArgs e)
{
var startDate = this.dateParser.GetDate(e.LectureDTO.Date, e.LectureDTO.Start);
var endDate = this.dateParser.GetDate(e.LectureDTO.Date, e.LectureDTO.End);
if (startDate < DateTime.Now)
{
this.View.Model.ErrorMessage = "Cannot add lecture in the past!";
this.View.Model.IsSuccess = false;
return;
}
if (startDate > endDate)
{
this.View.Model.ErrorMessage = "Lecture start time cannot be after end time!";
this.View.Model.IsSuccess = false;
return;
}
var teacher = this.teacherService.FindById(e.LectureDTO.TeacherId);
var studentClass = this.studentClassService.FindById(e.LectureDTO.StudentClassId);
var hasLecture = teacher.Lectures.Any(l => l.Status == Data.Enums.LectureStatus.Ahead &&
startDate < l.End && l.Start < endDate);
if (hasLecture)
{
this.View.Model.ErrorMessage = "This Teacher already has lecture in this time period!";
this.View.Model.IsSuccess = false;
return;
}
var lectureDTO = new CreateLectureDTO()
{
StudentClassId = e.LectureDTO.StudentClassId,
Title = e.LectureDTO.Title,
SubjectName = teacher.Subject.ToString(),
TeacherId = e.LectureDTO.TeacherId,
Start = startDate,
End = endDate
};
try
{
e.LectureDTO.SubjectName = teacher.Subject.ToString();
var lecture = this.lectureFactory.CreateLecture(lectureDTO);
teacher.Lectures.Add(lecture);
studentClass.Lectures.Add(lecture);
}
catch (ArgumentException ex)
{
this.View.Model.ErrorMessage = ex.Message;
this.View.Model.IsSuccess = false;
return;
}
try
{
this.teacherService.Save();
}
catch (Exception ex)
{
this.View.Model.ErrorMessage = ex.Message;
this.View.Model.IsSuccess = false;
return;
}
this.View.Model.IsSuccess = true;
}
