public MarkBll EditMark(StudentBll student, int grade, TeachersWorkloadBll teachersWorkload)
{
Student stud = mapper.Map <Student>(student);
TeachersWorkload tw = mapper.Map <TeachersWorkload>(teachersWorkload);
Mark mark = db.Marks.Get(m => (m.Student.Id == student.Id) && (m.TeachersWorkload.Id == teachersWorkload.Id)).SingleOrDefault();
MarkBll markBll;
if (mark == null)
{
try
{
markBll = AddMark(grade, stud, tw, true);
}
catch
{
return(null);
}
}
else
{
try
{
markBll = EditMark(mark, grade);
}
catch
{
return(null);
}
}
return(markBll);
}
private MarkBll AddMark(int grade, Student student, TeachersWorkload teachersWorkload, bool flSingle)
{
Mark mark = new Mark()
{
Grade = grade,
Student = student,
TeachersWorkload = teachersWorkload,
Date = DateTime.Now
};
try
{
db.Marks.Add(mark);
if (flSingle == true)
{
db.Save();
}
}
catch (Exception e)
{
throw e;
}
MarkBll markBll = mapper.Map <MarkBll>(mark);
return(markBll);
}
public void ChangeTerm(int teacherWorkloadId, int term)
{
if (teacherWorkloadId < 0)
{
throw new ArgumentException("TeacherworkloadId is invalid", "teacherWorkloadId");
}
if ((term < 1) || (term > 12))
{
throw new ArgumentException("Term is invalid", "term");
}
TeachersWorkload tw = db.TeachersWorkloads.Get(t => t.Id == teacherWorkloadId).SingleOrDefault();
if (tw == null)
{
throw new ArgumentException("TeacherWorkload was not found", "teacherWorkloadId");
}
tw.Term = term;
db.TeachersWorkloads.Update(tw);
db.Save();
return;
}
public void ChangeGroup(int teacherWorkloadId, int groupId)
{
if (teacherWorkloadId < 0)
{
throw new ArgumentException("TeacherworkloadId is invalid", "teacherWorkloadId");
}
if (groupId < 1)
{
throw new ArgumentException("GroupId is invalid", "groupId");
}
TeachersWorkload tw = db.TeachersWorkloads.Get(t => t.Id == teacherWorkloadId).SingleOrDefault();
if (tw == null)
{
throw new ArgumentException("TeacherWorkload was not found", "teacherWorkloadId");
}
Group group = db.Groups.Get(t => t.Id == groupId).SingleOrDefault();
tw.Group = group ?? throw new ArgumentException("Group was not found", "groupId");;
db.TeachersWorkloads.Update(tw);
db.Save();
return;
}
public void ChangeSubject(int teacherWorkloadId, int subjectId)
{
if (teacherWorkloadId < 1)
{
throw new ArgumentException("TeacherworkloadId is invalid", "teacherWorkloadId");
}
if (subjectId < 1)
{
throw new ArgumentException("SubjectId is invalid", "subjectId");
}
TeachersWorkload tw = db.TeachersWorkloads.Get(t => t.Id == teacherWorkloadId).SingleOrDefault();
if (tw == null)
{
throw new ArgumentException("TeacherWorkload was not found", "teacherWorkloadId");
}
Subject subject = db.Subjects.Get(t => t.Id == subjectId).SingleOrDefault();
tw.Subject = subject ?? throw new ArgumentException("Subject was not found", "suibjectId");;
db.TeachersWorkloads.Update(tw);
db.Save();
return;
}
