public async Task <IActionResult> Add(int courseId, int maxGrade, DateTime dueDate)
{
AddPeerGradeAssignmentDto dto = new AddPeerGradeAssignmentDto {
CourseId = courseId,
LastEdited = DateTime.Now,
MaxGrade = maxGrade,
DueDate = dueDate
};
ServiceResponse <AddPeerGradeAssignmentDto> response = await _peerGradeAssignmentService.AddPeerGradeAssignment(dto);
if (response.Success)
{
return(Ok(response));
}
return(NotFound(response));
}
public async Task <ServiceResponse <AddPeerGradeAssignmentDto> > AddPeerGradeAssignment(AddPeerGradeAssignmentDto dto)
{
ServiceResponse <AddPeerGradeAssignmentDto> response = new ServiceResponse <AddPeerGradeAssignmentDto>();
User user = await _context.Users.Include(u => u.InstructedCourses)
.FirstOrDefaultAsync(u => u.Id == GetUserId());
Course course = await _context.Courses
.FirstOrDefaultAsync(rg => rg.Id == dto.CourseId);
if (course == null)
{
response.Data = null;
response.Message = "There is no course with this id";
response.Success = false;
return(response);
}
if (!doesUserInstruct(user, dto.CourseId))
{
response.Data = null;
response.Message = "You are not instructing this course";
response.Success = false;
return(response);
}
PeerGradeAssignment pga = await _context.PeerGradeAssignments.Include(pga => pga.AffiliatedCourse)
.FirstOrDefaultAsync(pga => pga.CourseId == dto.CourseId);
if (pga != null)
{
response.Data = null;
response.Message = "There is already a peer grading assignment for the course";
response.Success = false;
return(response);
}
if (dto.MaxGrade < 0)
{
response.Data = null;
response.Message = "Max grade should not be negative";
response.Success = false;
return(response);
}
PeerGradeAssignment createdPga = new PeerGradeAssignment
{
AffiliatedCourse = course,
CourseId = dto.CourseId,
DueDate = dto.DueDate,
LastEdited = dto.LastEdited,
MaxGrade = dto.MaxGrade
};
_context.PeerGradeAssignments.Add(createdPga);
await _context.SaveChangesAsync();
course.PeerGradeAssignment = pga;
response.Data = dto;
response.Message = "You successfully entered peer grade assignment";
response.Success = true;
return(response);
}
