public IHttpActionResult UpdateGrade(GradesDto gradesDto)
{
foreach (var grade in gradesDto.Grades)
{
if (grade.AssignmentGrade != null && (grade.AssignmentGrade.Value < 0 || grade.AssignmentGrade.Value > 100))
{
throw new HttpResponseException(new HttpResponseMessage(HttpStatusCode.BadRequest)
{
ReasonPhrase = "The grade of student: " + grade.StudentId + " Is Invalid- the grade value should be at range (0,100) or empty"
});
}
}
if (!ModelState.IsValid)
{
throw new HttpResponseException(HttpStatusCode.BadRequest);
}
var currUserName = GetUserName();
foreach (var grade in gradesDto.Grades)
{
var gradeInDb = _context.Grades.Single(g => g.LecturerId.Equals(currUserName) && g.AssignmentId == grade.AssignmentId && g.StudentId.Equals(grade.StudentId));
if (gradeInDb == null)
{
throw new HttpResponseException(HttpStatusCode.NotFound);
}
Mapper.Map(grade, gradeInDb);
gradeInDb.LecturerId = currUserName;
_context.SaveChanges();
}
return(Ok());
}
public decimal getGradePoint(GradesDto grade)
{
var course = ctx.Courses.Find(grade.course_id);
decimal gradePoint = (decimal)0.00;
if (grade.grade_value >= 90)
{
gradePoint += (decimal)4.00;
if (course.is_honors)
{
gradePoint += (decimal)0.50;
}
else if (course.is_advanced_placement)
{
gradePoint += (decimal)1.00;
}
return(gradePoint);
}
else if (grade.grade_value >= 80 && grade.grade_value <= 89)
{
gradePoint += (decimal)3.00;
if (course.is_honors)
{
gradePoint += (decimal)0.50;
}
else if (course.is_advanced_placement)
{
gradePoint += (decimal)1.00;
}
return(gradePoint);
}
else if (grade.grade_value >= 70 && grade.grade_value <= 79)
{
gradePoint += (decimal)2.00;
if (course.is_honors)
{
gradePoint += (decimal)0.50;
}
else if (course.is_advanced_placement)
{
gradePoint += (decimal)1.00;
}
return(gradePoint);
}
else if (grade.grade_value >= 60 && grade.grade_value <= 69)
{
gradePoint += (decimal)1.00;
if (course.is_honors)
{
gradePoint += (decimal)0.50;
}
else if (course.is_advanced_placement)
{
gradePoint += (decimal)1.00;
}
return(gradePoint);
}
else
{
return((decimal)0.00);
}
}
